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Shaffer, Matthew. "A REVIEW OF APPEALS AND LITIGATION OVER TIMBER SALES BETWEEN 1999 AND 2008 ON THE LOLO NATIONAL FOREST." The University of Montana, 2009. http://etd.lib.umt.edu/theses/available/etd-06162009-162100/.
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A review of litigation and appeals over timber sales on the Lolo National Forest for the years 1999 thru 2008 revealed that of the 157 timber sales that could have been appealed or litigated, 27%, representing 55% of the timber volume in all the reviewed sales, had some form of appeal or litigation.. The categories of timber sales with the highest percentage of appeals and/or litigation in relation to their representation within the population as a whole were those that were performed to improve forest health or to meet stewardship goals. The silvicultural prescription that had the highest percentage of appeals and/or litigation in relation to their representation within the population as a whole were thin from above prescriptions while the least frequent was a clear cut. This study intends to serve as a source of information about appeals and litigation on the Lolo National Forest over timber sales by discussing reasons why environmental groups litigate and appeal timber sales. Additionally, this study hopes to give individuals, the Forest Service, private interest groups, or citizen groups involved with attempting to decrease the number of timber sales appealed or litigated as well as the volume of wood appealed or litigated, a point of comparison to evaluate the effectiveness of their efforts.
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Bhardwaj, Minakshi. "FORMATION OF THE ETHER BRIDGE IN THE LOLINE ALKALOID BIOSYNTHETIC PATHWAY." UKnowledge, 2017. http://uknowledge.uky.edu/chemistry_etds/75.
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Lolines are specialized metabolites produced by endophytic fungi, such as Neotyphodium and Epichloë species, that are in symbiotic relationships with cool-season grasses. Lolines are vital for the survival of the grasses because their insecticidal and antifeedant properties protect the plant from insect herbivory. Although lolines have various bioactivities, they do not have any concomitant antimammalian activities.
Lolines have complex structures that are unique among naturally occurring pyrrolizidine alkaloids. Lolines have four contiguous stereocenters, and they contain an ether bridge connecting C(2) and C(7) of the pyrrolizidine ring. An ether bridge connecting bridgehead C atoms is unusual in natural products and leads to interesting questions about the biosynthesis of lolines in fungal endophytes.
Dr. Pan, who was a graduate student in Dr. Schardl Lab at University of Kentucky, isolated a novel metabolite, 1-exo-acetamidopyrrolizidine (AcAP). She observed that AcAP was accumulating in naturally occurring and artificial lolO mutants. I synthesized an authentic sample of (±)-AcAP and compared it spectroscopically with AcAP isolated from a lolO mutant to determine the structure and stereochemistry of the natural product. I was also able to grow crystals of synthetic (±)-AcAP, X-ray analysis of which further supported our structure assignment.
There were two possible explanations for the fact that a missing or nonfunctional LolO led to the accumulation of AcAP: that AcAP was the actual substrate of LolO, or that it was a shunt product derived from the real substrate of LolO, 1-exo-aminopyrrolizidine (AP), and that was produced only when LolO was not available to oxidize AP. To distinguish between the two hypotheses, I synthesized 2´,2´,2´,3-[2H4]-AcAP. Dr. Pan used this material to confirm that AcAP was an intermediate in loline alkaloid biosynthesis, not a shunt product.
To determine the product of LolO acting on AcAP, Dr. Pan expressed LolO in yeast (Saccharomyces cerevisiae). When Dr. Pan fed AcAP (synthesized by me) to the modified organism, it produced NANL, suggesting that LolO catalyzed two C–H activations of AcAP and the formation of both C–O bonds of the ether bridge in NANL, a highly unusual transformation. Dr. Chang then cloned, expressed, and purified LolO and incubated it with (±)-AcAP, 2-oxoglutarate, and O2. He observed the production of NANL, further confirming the function of LolO. Dr. Chang also observed an intermediate, which we tentatively identified as 2-hydroxy-AcAP.
In order to determine whether the initial hydroxylation of AcAP catalyzed by LolO occurred at C(2) or C(7), I prepared (±)-7,7-[2H2]- and (±)-2,2,8-[2H3]-AcAP. When Dr. Pan measured the rate of LolO-catalyzed hydroxylation of these substrates under conditions under which only one C–H activation would occur, she observed a very large kinetic isotope effect when C(2) was deuterated, but not when C(7) was deuterated, establishing that the initial hydroxylation of AcAP occurred at the C(2) position.
In order to determine the stereochemical course of C–H bond oxidation by LolO at C(2) and C(7) of AcAP, I synthesized trans- and cis-3-[2H]-Pro and (2S,3R)-3-[2H]- and (2S,3S)-2,3-[2H2]-Asp. Feeding experiments with these substrates carried out by both Dr. Pan (Pro) and me (Asp) showed that at both the C(2) and C(7) positions of AcAP, LolO abstracted the endo H atoms during ether bridge formation.
In summary, feeding experiments with deuterated (±)-AcAP derivatives and its amino acid precursors have shown that AcAP is an intermediate in loline biosynthesis. We have shown that LolO catalyzes the four-electron oxidation of AcAP at the endo C(2) position first and then the endo C(7) position to give NANL.
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Pycroft, Hayley. "Beyond Afrocentricism and Orientalism contemporary representations of transnational identities in the works of Nontsikelelo "Lolo" Veleko and Tracy Payne." Thesis, Rhodes University, 2010. http://hdl.handle.net/10962/d1002216.
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South African photographer Nontsikelelo “Lolo” Veleko and South African painter Tracy Payne explore different ways of communicating African realities. The visual imagery of these two artists focuses a lot on movement, challenging the rigidity of boundaries set by Western social constructs. In their work, Veleko and Payne critique the limitations of terms such as “authenticity.” It is extremely difficult to portray shifting notions of contemporary African identity in light of the stain of colonial philosophies which have, in times past, exoticised and appropriated the African body and ascribed conventions of “authenticity” to African representations. Undermining the burden of Western boundaries1, Veleko and Payne redefine what it means to operate in Africa today. Veleko seeks additional cultural realities to complicate her identity as a woman living in Africa while Payne uses concepts of movement to question the validity of structures which advocate an either/ or binary such as “East” and “West” and “masculinity” and “femininity”. By subtly merging aspects of these binaries in their representations, Veleko and Payne bring transnational possibilities to light by undermining the restrictions inscribed in the social and political history of (South) Africa with regard to collective and individual identities. Constructs of gender have contributed to a heightened sense of “African” “masculinity,” forming a stereotype of the African body which is difficult to break free from. Considering the notion of transnationalism and the issue of moving beyond boundaries, borrowing aspects of different cultures in attempt to better define a sense of self, Veleko and Payne engage in the sampling of different lifestyles and perspectives to better define their individualities. This thesis seeks to provide an analysis of the visual language used by Veleko and Payne to promote fluid “African” identities.
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Stewart, Lynn Leslie. "Our people are like gardens" : music, performance and aesthetics among the Lolo, West New Britain Province, Papua, New Guinea." Thesis, University of British Columbia, 1989. http://hdl.handle.net/2429/30917.
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Relationships among the Aesthetic, culture, and music are problematic- Frequently considered as epiphenomenal to culture, music and the arts are typically seen as adjuncts to ceremonial activity- This dissertation examines the nature of the Aesthetic, music and performance in the context of the Lolo, Araigilpua Village, West New Britain Province, Papua New Guinea, in an attempt to develop a definition of the Aesthetic applicable for cross-cultural research and to discover the ways in which the Aesthetic and culture articulate.
For the purposes of this dissertation, the Aesthetic is defined as that facet of religion focused on responses to extraordinary powers thought to maintain what are considered to be proper relationships between human members of a community and extraordinary powers. Three forms of aesthetics, social, performance, and musical, are taken as the means and methods of directing interactions between man and extraordinary powers.
At present, the Lolo are engaged in a process of secularisation resulting primarily from the introduction of Christianity, Western medicine and money. This dissertation examines the relationship between the Aesthetic and social life, and addresses the impact of changes to the Aesthetic.Arts, Faculty of
Anthropology, Department of
Graduate
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Benolo, François. "Le Lolo, où le problème de la reviviscence des morts dans l'Androy (l'extrême-sud de Madagascar) : essai anthropologique pour une contribution à la théologie de la Résurrection." Paris 4, 1992. http://www.theses.fr/1992PA040186.
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Dans l'extrême-sud de Madagascar, l'Androy, il existe une croyance populaire à la reviviscence des morts ou le Lolo selon le terme vernaculaire. Cette reviviscence, héréditaire et collective dans certains clans, sporadique et individuelle dans d'autres, viendrait d'une malédiction proférée à cause d'une faute grave. La variété des cas dépendrait de la formulation de la malédiction. L'intérêt du sujet est double. Dans le domaine de l'anthropologie, nous connaitrons le fondement de cette croyance discriminatoire envers ceux à qui est imputée la reviviscence. Quant au théologique, dans le sillage de l'inculturation, nous saurons l'incidence de cette croyance sur la foi en la résurrection. Pour ce faire, nous avons étudié deux clans : les Anatsosa et les Ntantotobato. Puis, comme l'évangélisation est à sa première phase dans l'Androy, nous avons pris connaissance de la manière dont les premiers chrétiens, selon le témoignage du nouveau testament, ont proclame et élaboré leur foi en la résurrection. Et cette recherche nous a amenés à suggérer quelques propositions pratiques pour la pastorale catéchétique et liturgique dans l'AndroyAt Androy, in the far-south of Madagascar, there exists a popular belief of the coming back to life of the dead or the Lolo according to the vernacular term. This coming back to life of the dead, hereditary and collective in some tribes, sporadic and individual in others, would be a result of curse uttered because of a grave offense. The type of case would depend on the formulation of the curse. Interest in this subject is two-fold. In the anthropological domain, we know the foundation of this discriminatory belief towards those to whom this coming back to life imputed. As for the theological, in the wake of the enculturation, we will know the effect of this belief on faith in the resurrection. In order to accomplish this, we have studied two tribes: the Anatsosa and the Ntantotobato. Then, since evangelization is in its primal phase in Androy, we have perused the manner in which the first Christians, according to New Testament testimony, have proclaimed and elaborated their faith in the resurrection and this research has brought us to recommend some practical suggestions for catechetical and liturgical ministry in Androy
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Anthony, Kamala. "Malama Loko I'a| Salinity and Primary Productivity Relationships at Honokea Loko, Hale O Lono, and Waiahole/Kapalaho on Hawai'i Island, Hawai'i." Thesis, University of Hawai'i at Hilo, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10928184.
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Along the coastlines of the Hawaiian Islands, there is a valuable and critical resource known for its brackish water habitat – loko i‘a (Hawaiian fishponds). They are dynamic systems dependent on the balance between fresh groundwater inputs from uka (uplands) and landward flow of kai (seawater), which all vary depending on the behavior of our climate, including rainfall, tides, and storms. Nutrient-rich groundwater mixing with the seawater at the coast allows for an abundant growth of limu or primary productivity attracting many of Hawaii’s favorable native brackish water and herbivorous species. Having an intimate relationship with this natural coastal nursery, Hawaiians effectively modified these coastal habitats into loko i’a to provide a sustainable food source for the communities in which they reside. In support of these invaluable resources and practices, this study seeks to understand primary productivity and salinity relationships along the same coastline at Honokea Loko of Waiuli, and Hale o Lono and Waiāhole/Kapalaho of Honohononui, Hawaii. Weekly water quality monitoring by kiai' loko (fishpond steward) and biweekly water column sampling, salinity in the three loko i’a ranged from 3.1 to 18.8 and was significantly different throughout different areas of each pond. Benthic primary productivity experiments, found significantly more growth at higher salinity locations across all sites. Due to these strong correlations, loko i'a communities would greatly benefit from these methodologies to quantify the variability of environmental changes through time and specific impacts of climate phenomena, changes in rainfall and sea level. These factors have the potential to interfere with primary productivity and alter loko i'a systems interactions entirely.
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Andersson, Markus. "Automatic Tuning of Motion Control System for an Autonomous Underwater Vehicle." Thesis, Linköpings universitet, Reglerteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-159202.
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The interest for marine research and exploration has increased rapidly during the past decades and autonomous underwater vehicles (AUV) have been found useful in an increased amount of applications. The demand for versatile platform AUVs, able to perform a wide range of tasks, has become apparent. A vital part of an AUV is its motion control system, and an emerging problem for multipurpose AUVs is that the control performance is affected when the vehicle is configured with different payloads for each mission. Instead of having to manually re-tune the control system between missions, a method for automatic tuning of the control system has been developed in this master’s thesis. A model-based approach was implemented, where the current vehicle dynamics are identified by performing a sequence of excitation maneuvers, generating informative data. The data is used to estimate model parameters in predetermined model structures, and model-based control design is then used to determine an appropriate tuning of the control system. The performance and potential of the suggested approach were evaluated in simulation examples which show that improved control can be obtained by using the developed auto-tuning method. The results are considered to be sufficiently promising to justify implementation and further testing on a real AUV. The automatic tuning process is performed prior to a mission and is meant to compensate for dynamic changes introduced between separate missions. However, the AUV dynamics might also change during a mission which requires an adaptive control system. By using the developed automatic tuning process as foundation, the first steps towards an indirect adaptive control approach have been suggested. Also, the AUV which was studied in the thesis composed another interesting control problem by being overactuated in yaw control, this because yawing could be achieved by using rudders but also by differential drive of the propellers. As an additional and separate part of the thesis, an approach for using both techniques simultaneously have been proposed.
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Pratt, Bruce. "Lobo." Fogler Library, University of Maine, 2001. http://www.library.umaine.edu/theses/pdf/PrattB2001.pdf.
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Hampton, Scott. "Genius loco." This title; PDF viewer required. Home page for entire collection, 2009. http://archives.udmercy.edu:8080/dspace/handle/10429/9.
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Jarusevičiūtė, Alma. "Logo vizualinės galimybės." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2010. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2010~D_20100707_113742-74583.
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Šis darbas yra apie Logo vizualines galimybes, jų taikymą. Apžvelgiama vizualizavimo prasmė, vizualizavimas senų senovėje – piešiniai ant uolų, mokykloje – interaktyvi lenta, šiandieniniame gyvenime – kelio ženklai, vaizdinės instrukcijos, kiekviename žmogaus žingsnyje. Išanalizuotos Logo vizualinės galimybės, aprašyta Pieštuvė, aptarta Logo programuojama grafika, vizualinio programavimo prasme įvertinti 10 metų Logo olimpiados pasiekimai. Palygintos tarpusavyje programos: Pieštuvė ir Paint, Pieštuvė ir LogoMotion, Logo ir FreePascal, išskirti jų privalumai ir trūkumai. Darbo metu buvo sukurta programa koordinačių plokštumos mokymui(si). Šios programos, kurioje yra keturios užduotys, mokymosi laiko užtenka vienai pamokai. Mokiniai nuosekliai atlikdami užduotis mokosi jiems sunkiai suprantamą temą "Koordinačių plokštuma". Atliktas eksperimentinis programos tyrimas mokyklose šeštose klasėse. Šis darbas buvo aprašytas, padarytos išvados, parašyta santrauka, pateiktas apžvelgtos literatūros sąrašas.This work is about Logo visual possibilities and their application. The work provides the review of visualization significance, visualization in foretime – drawings on walls, at school – interactive board, in modern life – road signs, visual instructions, which occur in every step of a human life. Logo visual possibilities were analyzed, Pieštuvė was described, Logo programmed graphics was discussed, Logo Olympiad achievements over 10 years were assessed in the meaning of visual programming. The following programmes were compared: Pieštuvė and Paint, Pieštuvė and LogoMotion, Logo and FreePascal, their advantages and disadvantages were distinguished. During the work, a programme for teaching/learning coordinate plane was designed. The programme, which includes four tasks, is enough to study in one lesson. Performing the tasks coherently, students learn the topic "Coordinate plane", which is difficult for them to understand. Experimental programme survey was carried out at schools with sixth-formers. This work has been described, conclusions have been made, a summary has been written, and the literature list has been provided.
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Narkevičius, Darjušas. "Logo programavimas mokykloje." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2013. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130802_133534-93369.
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Šis darbas yra apie Logo programavimą mokykloje. Darbe išanalizuota S. Paperto filosofija, kurią gerai apibūdina frazė „mokymasis kuriant“. Apžvelgtos Logo savybės bei skirtingi mokimo stiliai. Išanalizuotos Logo konstravimo–programavimo galimybės.
Palygintos mokykloje naudojamos dvi programavimo kalbos Logo ir Pascal, apžvelgtas jų tinkamumas mokimui pagal moksleivio amžių. Darbe apžvelgtos devynios programavimo kalbos, nagrinėtas jų tinkamumas mokymui.
Darbe apžvelgti respublikinės Logo olimpiados darbai, išanalizuotas užduočių vyriausiems moksleiviams programavimo užduočių sudėtingumas, moksleivių kūrybiškumas atliekant jas.
Atliktas tyrimas su skirtingomis moksleivių grupėmis, kurio metu buvo nustatyta kad pradedant mokinius mokinti nuo procedūrinio programavimo, skatinamas jų savarankiškumas bei ugdomi konstruktyvaus programavimo įgūdžiai.
Konstravimo mokymąsi gerai apibūdina frazė „mokymasis kuriant“ (angl. Learning by making). Tokį mokymąsi realizuoti padeda informacinės ir komunikacinės technologijos.
Pradininkas – Seymouras Papertas – žymus matematikas, informatikas ir edukologas, vienas iš dirbtinio intelekto teorijos ir Logo programavimo pradininkų. Jau prieš išleidžiant „Minčių audras“ Papretas savo laboratorijoje Masačiusetso technologijos institute tyrinėjo, kokia programinė įranga būtų tinkamiausia vaikams dirbant kompiuteriu. Tada, 7-ajame dešimtmetyje (1967–1968) ir buvo sukurtos pirmosios programos, išreiškiančios S. Paperto Logo idėjas.
Pagal įvairių... [toliau žr. visą tekstą]This work is about Logo programming at school. The S. Papert‘s philosophy is analyzed, that could be described as „learning by making“. Logo features and different teaching styles were reviewed. Design-programming features of Logo were analyzed. The comparative analysis of two programming languages – Logo and Pascal – was done. Their suitability according the pupil’s age was relieved. Nine programming languages were reviewed and their suitability for teaching was investigated. Olympiad works of the republic of Lithuania were reviewed and the complexity of the tasks for older age pupils was analyzed. The pupils creativity was taken into account also. The research with different groups of pupils was done and it was determined that while starting to teach pupils from procedural programming the independence and constructive programming skills are encouraged. The phrase “Learning by making“ is the best description of the construction learning. The information and communication technologies help to realize such type of learning. Seymour Papert (born February 29, 1928) is well known mathematician, computer scientist, and educator. He is one of the pioneers of artificial intelligence, as well as an inventor of the Logo programming language. Papert in his laboratory at Massachusetts Institute of Technology was searching for the best software for children to work with computer at his researches. Then in 1970-th the first programs that expressed Papert’s ideas were developed... [to full text]
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Barr, Mohammad. "Robust logo watermarking." Thesis, De Montfort University, 2018. http://hdl.handle.net/2086/16550.
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Digital image watermarking is used to protect the copyright of digital images. In this thesis, a novel blind logo image watermarking technique for RGB images is proposed. The proposed technique exploits the error correction capabilities of the Human Visual System (HVS). It embeds two different watermarks in the wavelet/multiwavelet domains. The two watermarks are embedded in different sub-bands, are orthogonal, and serve different purposes. One is a high capacity multi-bit watermark used to embed the logo, and the other is a 1-bit watermark which is used for the detection and reversal of geometrical attacks. The two watermarks are both embedded using a spread spectrum approach, based on a pseudo-random noise (PN) sequence and a unique secret key. Robustness against geometric attacks such as Rotation, Scaling, and Translation (RST) is achieved by embedding the 1-bit watermark in the Wavelet Transform Modulus Maxima (WTMM) coefficients of the wavelet transform. Unlike normal wavelet coefficients, WTMM coefficients are shift invariant, and this important property is used to facilitate the detection and reversal of RST attacks. The experimental results show that the proposed watermarking technique has better distortion parameter detection capabilities, and compares favourably against existing techniques in terms of robustness against geometrical attacks such as rotation, scaling, and translation.
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Stenberg, Lovisa, and Hildegunn Strand. "Logo: Kontaktlös nyckelöverföring." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-299542.
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Studiens syfte var att i samarbete med företaget Vendanor ta fram en produkt som gör nyckelöverlämning mellan två parter kontaktfri och säker. En marknadsundersökning, kundundersökning och litteraturstudie utfördes följt av identifikation av nödvändiga krav med hjälp av en QFD-matris. Tre koncept genererades med hjälp av mind map, morfologisk matris, personas, modeller, brainstorming och kundresa. Av de tre framtagna koncepten ”Box”, ”Pelare” och ”Logo” var de två förstnämnda nyckelskåp för traditionella nycklar och det sistnämnda för nyckelkort. Volymoch CAD-modeller blev skapade för alla tre koncept. Med hjälp av en Pughs matris bestämdes fortsatt iteration av nyckelskåpet ”Logo”. Riskanalys och scenarier skapades för det valda konceptet. Vidareutvecklingen av koncept ”Logo” innefattade även dimensionering av konceptets motorer, strömtillförsel och lager. En numerisk beräkning i COMSOL utfördes för att säkerställa hållfastheten vid upphängningspunkterna. Den slutgiltiga produktens form är inspirerad av Vendanors logotyp. Produkten har plats för 419 kort och väger ca 30,9 kg. Totalt åtta av produktens delar skal tillverkas. För dessa blevtillverkningsunderlag skapade med hjälp av CAD. 67 av produktens komponenter ska köpas in. Dessa komponenter presenteras i en inköpslista. Nyckelautomaten kan användas kontaktfritt via en smartphone alternativt via skärmen som är centrerad på produktens front. Intressenter för produkten är hotell, campingplatser, gym, simhall och övriga aktörer som använder sig utav nyckelkort.The purpose of the study was to, in collaboration with Vendanor develop a product that enables key transactions between two parties contactless and safe. A market research, customer survey and literature study were performed followed by an identification of requirements by the help of a QFD matrix. Three concepts were generated with the help of a morphology matrix, mind map, customer journey, models, brain storming and personas. Of the three concepts ”Box”, ” Pelare” and ”Logo” the two former were key cabinets for traditional keys and the latter for key cards. Volume- and CAD-models were created for all three concepts. With the help of a Pughs matrix, continued iteration of the key cabinet "Logo" was determined. Risk analysis and scenarios were created for the chosen concept. Further iterations of the “Logo” concept included dimensioning of the motors, electricity supply and plain bearings. A numerical calculation in COMSOL was also performed to ensure the strength at the wall mounting points. The shape of the final product is inspired from Vendanors logotype. The product has a capacity of 419 cards and weighs approximately 30.9 kg. There are in total eight parts that will be manufactured. For these parts a manufacturing basis was created with CAD. The remaining 67 parts are going to be purchased. The specifications of these were presented in a Bill of Materials. The key machine can be used contactless via a smartphone or via the screen centered on the products front. Stakeholders for this product are hotels, campsites, gyms and other businesses using key cards.
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Baussaron, Julien. "Mise au point de modèles prédictifs de fiabilité dans un contexte de dégradation associé à des profils de mission." Angers, 2011. http://laris.univ-angers.fr/_resources/logo/TheseBaussaronJulien.pdf.
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Dans l’industrie et en particulier dans le domaine de l’automobile, il est aujourd’hui indispensable de maîtriser la fiabilité de ses produits. Une voie pour estimer et valider la fiabilité de manière efficace est d’analyser des mesures de dégradation caractéristique des phénomènes de défaillance. Ce domaine est en plein essor et il existe de nombreuses méthodes répondant à cette problématique. L’objectif de ces travaux de recherche est de proposer une méthodologie d’estimation de la fiabilité basée sur l’analyse de mesures de dégradation dans un contexte où peu de mesures sont disponibles, les temps d’essai sont réduits, les phénomènes physiques de dégradation sont complexes (usure, fissuration, fluage, corrosion) et les profils de mission sont multifactoriels. La première partie de ce travail concerne l’analyse des méthodes utilisées dans l’entreprise Renault. La deuxième partie est l’étude des méthodes présentes dans la littérature, qui répondent également à la problématique. Ensuite une méthodologie de comparaison de ces méthodes est proposée et permet de choisir la méthode d’estimation de fiabilité la plus adaptée aux différentes données représentatives des phénomènes physiques étudiés. Une partie est consacrée à l’optimisation du dimensionnement des plans d’essais intégrant les méthodes d’estimation sélectionnées. La dernière partie traite un cas industriel en utilisant les résultats obtenus dans ce travail de recherche. L’ensemble de ces travaux permet d’orienter les fiabilistes, à chaque étape de la réalisation d’une étude de fiabilité, vers la méthode la plus adaptée au problème à traiterIn industry, especially in automotive industry, it is now essential to control the products’ reliability. One way to efficiently estimate and validate the reliability is to analyze degradation measurements. There are many methods responding to this concern. The aim of this study is to propose a methodology to assess reliability based on degradation measurements with few data, short test duration, complex physical phenomenon (such as wear, fatigue crack growth, creep or corrosion) and multifactor mission profiles. The methods used by Renault are analyzed in the first part of this work. In the second part are studied the other methods responding to this concern. Then a methodology for comparing these methods is proposed and allows choosing the reliability assessment method the most appropriate to treat available data. Another part is devoted to the optimization of the design of test plans including selected estimation methods. The last part deals with an industrial case using the results obtained in this study. This work is supposed to guide the engineer at each stage of a reliability study in choosing the most appropriate method to treat the problems encountered
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Kefi, Marouene. "Assistance à l'agencement d'environnements virtuels : apport de la programmation par contraintes." Angers, 2012. http://laris.univ-angers.fr/_resources/logo/TheseKefiMarouene.pdf.
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La diversité des problèmes d’agencement a donné naissance à une multitude de travaux et d’applications liés à des domaines différents tels que la conception mécanique, l’urbanisme, l’aménagement d’intérieur, etc. . La résolution des problèmes d’agencement est généralement basée sur le savoir faire et l’expérience des concepteurs et repose sur un processus coûteux et long qui ne répond pas toujours à l’ensemble des contraintes du problème. En outre, dans la plupart des cas, l’agencement est effectué de manière manuelle à l’aide de plans ou des maquettes éventuellement à l’échelle. Dans les cas où des maquettes numériques sont utilisées, peu voir aucune assistance n’est proposée pour aider les concepteurs dans la prise de décision et la réalisation des tâches. Ce travail de thèse repose sur une démarche innovante impliquant une approche interactive générique basée sur l’utilisation conjointe d’outils de formulation et de résolution issus de la programmation par contraintes, et de techniques de réalité virtuelle (visualisation, immersion, et interaction 3D). L’approche proposée offre différents niveaux d’assistance et supporte la prise compte de diverses contraintes. Elle permet également de définir et de résoudre un problème d’agencement complexe de manière automatique. Les assistances offertes permettent de guider le concepteur vers des solutions viables et de prendre en compte ses préférences. Notre approche a été validée à travers différentes expérimentations impliquant la réalisation de tâches d’agencement en environnements virtuels. L’objectif était d’analyser la pertinence de l’approche proposée à travers l’étude de la performance humaine, et d’illustrer les possibilités d’interaction entre l’utilisateur et le système développé. Notre approche est actuellement étendue à différents cas applicatifs impliquant une problématique d’agencementThe diversity of layout problems gave rise to a several applications and related works in different areas such as mechanical design, urban planning, interior design, etc. . Solving layout problems is generally based on the designers expertise and involves a costly and tedious process that do not always satisfies the all problem’s constraints. In most cases, the layout is manually carried out using maps or a mock-ups. In cases where numerical mock-ups are used, no assistance is provided to help users in decision making and during the layout tasks. This manuscript proposes an interactive and generic approach based on the use of formulation and resolution tools from constraint programming, and virtual reality techniques (visualization, immersion and 3D interaction). The proposed approach provides different levels of assistance and supports several kinds of constraints. It also allows to define and automatically solve complex layouts. The various provided assistances can guide the user to possible solutions and take into account his/her preferences. Our approach has been validated through several experiments involving various layout tasks in virtual environments. The objectives were to analyze the relevance of the proposed approach through the study of human performance, and to illustrate the possibilities of interaction between the user and the developed system
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Beddiaf, Sara. "Identification paramétrique de systèmes d'équations aux dérivées partielles paraboliques non linéaires en géométrie 3D par une méthode de régularisation itérative." Angers, 2013. http://laris.univ-angers.fr/_resources/logo/TheseBeddiafSara.pdf.
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S’inscrivant dans le cadre de l’identification paramétrique, les travaux présentés dans ce manuscrit ont pour but de résoudre des problèmes inverses tridimensionnels de la conduction de chaleur (PICC-3D). Diverses situations thermiques sont traitées : identification du flux de chauffe délivré par une source fixe ou mobile, estimation des coordonnées de centre de deux sources de chauffe fixes, identification des coordonnées de centre d’une ou plusieurs sources fixes en temps réduit, estimation simultanée de la position et du flux de chauffe d’une source fixe, identification de la trajectoire d’une source mobile et estimation simultanée de la trajectoire et de l’intensité du flux d’une source de chauffe mobile. Une difficulté essentielle réside en ce que de tels problèmes inverses de conduction de la chaleur (décrits par un système d’équations aux dérivées partielles non linéaires) sont mal posés au sens d’Hadamard. Considérant les mesures de température fournies par un nombre limité de capteurs placés sur une frontière différente de celle où les sources de chauffe interviennent, ces PICC-3D ont été résolus avec succès par la mise en œuvre d’une méthode de régularisation itérative du gradient conjugué (MGC). La robustesse de la méthode est illustrée en considérant des bruits de mesure réalistes. En outre, un dispositif expérimental a été utilisé afin de mesurer l’évolution du champ de températures dans une plaque soumise à une source chauffante immobile. Les expérimentations réalisées attestent de l’intérêt de la MGC dans le contexte proposéIn the context of parametric identification, the work presented in this manuscript is devoted to inverse heat conduction problem resolution in three-dimensional geometries (IHCP-3D). The main objective of the resolution deals with identification of one or more unknown parameters in various situations such as: heat flux identification of a fixed (or mobile source), localization of two fixed heating sources, localizations in minimal time (for one or several heating sources), simultaneous determination of time-varying heat flux and location of a fixed source, mobile source trajectory identification, simultaneous estimation of strength heat flux and source mobile trajectory in a three-dimensional domain. Such an inverse heat conduction problem (described by a set of partial differential equations) is ill-posed in Hadamard’s sense. Considering the measured temperature provided by few sensors (located on a different face from that on which sources heat), IHCP-3D were successfully solved and the unknown parameters are identified considering the implementation of an iterative regularization method: the conjugate gradient method (CGM). The robustness of the proposed identification method is illustrated considering realistic disturbances. Moreover, an experimental bench is used in order to validate the robustness of the CGM in real context
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Figueiras, Edite. "Méthodes et instrumentation pour la débitmétrie laser : applications à la microcirculation sanguine." Coimbra, 2012. http://laris.univ-angers.fr/_resources/logo/TheseFigueirasEdite.pdf.
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L'altération de la microcirculation sanguine est une anomalie fréquente retrouvée chez les sujets atteints de diabète, d'artérosclérose ou de phénomène de Raynaud. La fluxmétrie laser Doppler (FLD) est alors couramment utilisée pour le suivi de la perfusion microvasculaire en continu. Cependant, la dépendance du signal de FLD par rapport à l'architecture microvasculaire n'est pas encore bien connue. Nous avons donc développé le prototype d'un nouvel appareil de FLD. Ce prototype possède trois diodes laser de longueurs d'onde différentes (635 nm, 785 nm et 830 nm). Les photons de ces sources lumineuses sont transportés jusqu'à la zone cutanée d'étude grâce à une fibre optique. Les photons rétrodiffusés sont récupérés et guidés vers les photodétecteurs à l'aide d'autres fibres optiques distantes de 0,14 mm, 0,25 mm et 1,2 mm de la fibre optique émettrice. Des tests de validation de ce prototype ont été réalisés in vitro sur un fantôme et in vivo sur l'avant-bras et la paume de la main de sujets sains. Des simulations par la méthode de Monte Carlo ont également été réalisées dans le but d'étudier l'influence des longueurs d'onde et des distances entre la fibre optique d'émission et les fibres optiques de réception, sur les signaux acquis sur le fantôme et la peau. Les résultats montrent que la profondeur moyenne de pénétration des photons rétrodiffusés augmente avec la longueur d'onde et la distance entre les fibres. Le prototype permet donc de sonder les tissus à différentes profondeurs. Par ailleurs, en ce qui concerne le fantôme, le premier moment du spectre du photocourant augmente avec la vitesse et la concentration des diffuseurs, ainsi qu'avec la longueur d'onde et la distance entre les fibres. Les résultats obtenus avec le prototype ont ensuite été comparés avec ceux donnés par le fluxmètre Periflux 5000 commercialisé par la société Perimed. Les résultats obtenus avec le prototype sont similaires aux résultats obtenus avec le Periflux 5000. Ces travaux sont le fruit d'une collaboration entre le laboratoire Instrumentation et Électronique de l'université de Coimbra au Portugal, le Laboratoire d'Ingénierie des Systèmes Automatisés (LISA) de l'université d'Angers, et Frits de Mul, chercheur hollandaisAltered blood microcirculation is a common abnormality found in subjects with diabetes, arteriosclerosis or Raynaud's disease. Laser Doppler Flow Metering (FLD) is then commonly used for continuous monitoring of microvascular infusion. However, the dependence of the FLD signal on microvascular architecture is not yet well known. We have therefore developed the prototype of a new FLD device. This prototype has three laser diodes of different wavelengths (635 nm, 785 nm and 830 nm). The photons from these light sources are transported to the study skin area via an optical fibre. The backscattered photons are recovered and guided to the photodetectors using other optical fibres spaced 0. 14 mm, 0. 25 mm and 1. 2 mm from the emitting optical fibre. Validation tests of this prototype were performed in vitro on a ghost and in vivo on the forearm and palm of the hand of healthy subjects. Monte Carlo simulations were also carried out to study the influence of wavelengths and distances between the transmitting and receiving optical fibres on the signals acquired on the phantom and skin. The results show that the average penetration depth of backscattered photons increases with wavelength and distance between the fibers. The prototype therefore makes it possible to probe tissues at different depths. In addition, for the phantom, the first moment of the photocurrent spectrum increases with the speed and concentration of the diffusers, as well as with the wavelength and distance between the fibres. The results obtained with the prototype were then compared with those obtained with the Periflux 5000 flowmeter marketed by Perimed. The results obtained with the prototype are similar to those obtained with the Periflux 5000, and are the result of a collaboration between the Instrumentation and Electronics Laboratory of the University of Coimbra in Portugal, the Laboratory of Automated Systems Engineering (LISA) of the University of Angers, and Frits de Mul, Dutch researcher
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Guinle, Maria Helena de Melo Flores. "Pensar "logo", falar "logo" : interações entre linguagem natural e linguagem artificial." [s.n.], 1995. http://repositorio.unicamp.br/jspui/handle/REPOSIP/251619.
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Orientador: Afira Vianna RipperTese (Doutorado) - Universidade Estadual de Campinas, Faculdade de Educação
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Resumo: No "diálogo" que se estabelece entre o aprendiz e sua leitura da linguagem computacional Logo, entre o aprendiz e a leitura que o facilitador faz da linguagem Logo, foram investigados os conceitos do Logo que suscitam zonas de imprecisão tais como ambiguidades, metáforas inadequadas, falhas conceituais. Nesse intercambio entre linguagem natural e linguagem artificial, o presente trabalho evidenciou: - que o discurso pontuado de imprecisões abriu caminho a um '"vir a conhecer" idéias poderosas pouco exploradas pelo paradigma "escolar" do conhecimento - que essa tendência a se criar uma via distinta do paradigma escolar, não se sustenta fora de uma prática regular de se depurar as imprecisões nas suas diferentes facetas
Doutorado
Psicologia Educacional
Doutor em Educação
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Dias, Aline de Pinho. "O outro di?logo: uma compreens?o do di?logo interno." Universidade Federal do Rio Grande do Norte, 2009. http://repositorio.ufrn.br:8080/jspui/handle/123456789/14209.
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Previous issue date: 2009-07-10Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior
This thesis aims to enable a wider comprehension on thought operation as well as suggest alternatives for the formation of reflexive, critical, autonomous and creative individuals. The research defends the idea that it is possible for an individual to develop vigilant attention that makes thought flexibilization and change in the course of action, possible. This operation is called Internal Dialogue and is essentially characterized by a continuous openness towards novelty and learning. This makes it possible to minimize the usual way thought operates, in a automatic fashion (automatism). The research was based on theoretical references and ideas of David Bohm (1989;1994;2005) and Michael Polanyi (1983). The main emphasis was the understanding that a crisis situation enables awareness and state of alert that favors a more flexible thought pattern (Arag?o Gomes, 1994, 1997). The methodology used was presentation and analysis of these moments through autobibliographical records with indication of crisis on behalf of the subjects. Other criteria were also used that enabled the composition of the analyzed material such as the fact that: the subjects were public and real, the data was available through accessible material; the subjects identified themselves as in crisis; these crisis were of varied kinds; they had different social, cultural and professional profiles. Thus, three auto-bibliographical elements were selected: the Infidel: the story of a woman that challenged Islam (2007), written by the political Muslim author Ayaan Hirsi; Still me: memories (2001), of the actor Christopher Reeve as well as Confessions of a Philosopher (2001), by the philosopher Bryan Magee. In these books an analysis was made related to parts that stated action an though operation that express internal dialogue. These were organized into categories that were pointed out as relevant for the identification of internal dialogue such as: Perceptions of physical reaction; emotions, beliefs and issues, individual actions, self judgment and thought, self questioning, comprehension, observation and empirical investigation, perception of the changes they performed in the world, escape of conditioning as well as action that resulted in new meaning. The analysis performed reinforces our goal once it sated that internal dialogue is an important tool that allows thought awareness, minimizing common automatism and making consciousness possible as well as favoring the occurrence of critical and reflexive thought. Thus, final considerations deal with the need for the development of teaching methodologies that address internal dialogue as a counterpoint to the many daily action that reinforce the automatism of thought
Esta tese tem como objetivo permitir maior compreens?o sobre a opera??o do pensamento e sugerir alternativas para a forma??o de indiv?duos reflexivos, cr?ticos, aut?nomos e criativos. Defendemos que ? poss?vel o indiv?duo desenvolver uma aten??o vigilante capaz de flexibilizar o pensamento e possibilitar mudan?as nas nossas a??es e pensamento. Denominada Di?logo Interno, esta opera??o caracteriza-se essencialmente pela abertura ao novo e cont?nua disposi??o para o aprendizado, minimizando o modo como o pensamento opera, na maior parte do tempo (automatismo). Este estudo teve como principais refer?ncias te?ricas as id?ias de David Bohm (1989;1994;2005) e Michael Polanyi (1983) e como pressuposto fundamental o entendimento de que situa??es de crise propiciam momentos de tomadas de ci?ncia e estado de alerta que favorecem o pensamento a operar de modo mais flex?vel. (Arag?o Gomes, 1994, 1997). Metodologicamente, optamos por apresentar e analisar estes momentos atrav?s de relatos autobiogr?ficos, cujo autor indicava vivenciar momentos de crise. Outros crit?rios foram utilizados para comporem o material a ser analisado: tratava-se de pessoas reais e p?blicas; os relatos estavam dispon?veis em obras de f?cil acesso; tratava-se de pessoas em situa??o de crise por elas identificadas; apresentavam situa??es de crise de naturezas distintas; eram pessoas com perfis s?cio-culturais, profissionais e de g?nero distintos. Assim, foram selecionados tr?s relatos autobiogr?ficos: Infiel: a hist?ria de uma mulher que desafiou o Isl? (2007), da escritora e pol?tica mu?ulmana Ayaan Hirsi; Ainda sou eu: mem?rias (2001), do ator Christopher Reeve e; Confiss?es de um fil?sofo (2001), do fil?sofo Bryan Magee. Nestas obras foram analisados diversos trechos nos quais identificamos opera??es e a??es de pensamento que expressam tra?os do Di?logo Interno, organizadas nas categorias que identificamos como relevantes para a identifica??o do Di?logo Interno: percep??o de rea??es f?sicas, percep??o dos pr?prios sentimentos, percep??o das pr?prias cren?as e pressupostos, percep??o das pr?prias a??es, percep??o e julgamento do pr?prio pensamento, a??o de questionamento, busca da compreens?o, observa??o e investiga??o emp?rica, percep??o de sua mudan?a de a??o no mundo, sa?da do condicionamento e a??o de ressignifica??o. As an?lises realizadas refor?am nosso pressuposto de que o di?logo interno ? uma importante ferramenta para acionarmos a aten??o vigilante do pensamento, minimizando o automatismo habitual e propiciando a tomada de consci?ncia e a emerg?ncia de pensamentos cr?ticos e reflexivos. Dessa forma, as considera??es finais desta tese apontam para a necessidade do desenvolvimento de metodologias de ensino que contemplem o Di?logo Interno como contraponto ?s diversas viv?ncias cotidianas que refor?am o automatismo do pensamento e a??o
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Matteschk, Katrin. "Corporate Design, na Logo." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-89671.
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In Firmen und Institutionen hat das Erscheinungsbild – das sogenannte Corporate Design – nicht in erster Linie etwas mit Mode zu tun, sondern mit der Gesamtheit der Merkmale, die das Unternehmen ausmachen und mit der Einheitlichkeit im Auftritt nach außen. Die Umsetzung dieser Merkmale in ein Logo, welches Grafik und Schrift enthält, ist eine große Herausforderung, denn es muss diese Merkmale auf einem Blick und möglichst einprägsam deutlich machen.
Im letzten Jahr stellte sich die SLUB ebenfalls die Frage nach dem Erscheinungsbild. Sie ergab sich aus diversen Anforderungen bei der Herstellung von Publikationen, die sowohl online als auch analog die SLUB in einem einheitlichen Layout präsentieren sollten. Schon im Dezember 2010 hat der Neustart der SLUB-Webseite moderne erfrischende Akzente in das Erscheinungsbild der SLUB gesetzt und indirekt seine Überarbeitung herausgefordert.
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Rimkus, Modestas. "Logo galimybės fraktalams kurti." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2014. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2006~D_20140702_190933-32631.
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Šio darbo tikslai – ištirti paprasčiausius fraktalus, išnagrinėti fraktalų savybių realizavimo ir fraktalų atvaizdavimo Logo priemonėmis galimybes, sudaryti fraktalų dėstymo mokiniams metodiką naudojant Logo. Šiems tikslams įgyvendinti iškeliami darbo uždaviniai – užrašyti matematinius fraktalų sudarymo algoritmus Logo kalba bei pateikti keletą fraktalų realizavimo Logo kalba pavyzdžių. Darbą sudaro dvi dalys. Pirmojoje pateikiamas fraktalų apibrėžimas, jų savybės, trumpa fraktalų istorija, detaliau nagrinėjami žinomi fraktalai – Julijaus ir Mandelbroto aibės. Antrojoje dalyje nagrinėjamos fraktalų vaizdavimo Logo priemonėmis galimybės, pateikiami Logo programų fraktalams kurti pavyzdžiai. Darbe ištirta, kaip modeliuojami fraktalai bei pateikta keletas programų Logo kalba fraktalams sudaryti. Programos antrojoje darbo dalyje pateikiamos nuosekliai, nuo paprasčiausių programėlių supažindinti su rekursija iki sudėtingesnių algoritmų įvairiems fraktalams sudaryti, taip pasiūlant glaustą fraktalų mokymo naudojant Logo metodiką. Nagrinėjant fraktalus susipažįstama su koordinačių sistemomis, sveikųjų skaičių aritmetika, begalybės sąvoka, lavinami skaičiavimo ir braižymo įgūdžiai. Fraktalus gali nagrinėti įvairaus amžiaus mokiniai. Perteikiant fraktalus paprasta ir visiems lengvai perprantama Logo kalba, kartu yra ugdomi algoritmavimo, programavimo ir darbo su kompiuteriu gebėjimai. Sudėtingiems fraktalams sudaryti Logo priemonės nėra racionalios dėl lėto programų darbo atliekant... [toliau žr. visą tekstą]The goal of this master's degree thesis is to analyze properties and generation algorithms of simple fractals and to implement these algorithms into Logo programming language suggesting methodology of teaching fractals using Logo in schools and providing some examples of Logo programs for fractal generation. The thesis consists of two parts. The first part provides basic theory on fractals. It begins with a simple explanation of what a fractal is using examples of self-similarity and recursive process and going into a more mathematical definition of fractals, introduced by B. Mandelbrot. After a brief history of fractals, a more in-depth analysis of Mandelbrot and Julia sets, the two well-known fractals arising from very simple sequences of complex numbers defined by the relation z_{n+1} = z_n^2 + c is given. The last chapter of the first part points out the reasons how fractals are useful and why they should be taught at school – fractals are fun; fractals are beautiful; anyone can play with them; fractals promote curiosity; computers, when used to explain fractal theory, enhance learning. The second part focuses on using Logo to generate fractals. It provides a few Logo programs of various complexity ranging from simple recursive functions to handling operations with complex numbers. Examples of Logo programs include generation of fractal trees, Koch snowflake and Sierpinski gasket, implementation of chaos game and iterated function systems, and manipulating complex numbers... [to full text]
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Valori, Leonardo. "Grafi e loro automorfismi." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amslaurea.unibo.it/819/.
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Arrage, J?nior Samir Martins. "Cat?logo de ressentimentos." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2017. http://tede2.pucrs.br/tede2/handle/tede/7883.
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There are two parts. The first one is fictional, and its title is Resentments' catalog. It is the story of a man collecting memories in order to write a book dedicated to his father, who had never read a literary work, not even a Master?s degree dissertation. The second one, Process catalog, presents a critical essay in which the Resentments' catalog genesis, inspirations, creative route and relations to another authors are introduced and debated. Intentionally, the two parts are close both in form and content, and that is why they have similar titles.
H? duas partes. A primeira delas ? ficcional e tem o t?tulo de Cat?logo de ressentimentos. ? a hist?ria de um homem que coleciona mem?rias a fim de escrever um livro dedicado a seu pai, o qual jamais leu uma obra liter?ria, nem sequer uma disserta??o de Mestrado. J? a segunda parte, Cat?logo do processo, apresenta um ensaio cr?tico em que a g?nese, as inspira??es, o percurso criativo e as rela??es que Cat?logo de ressentimentos estabelece com diferentes autores s?o apresentados e debatidos. De maneira intencional, ambas as partes se aproximam tanto em forma quanto em conte?do, da? a op??o por t?tulos semelhantes.
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Behring, Paula Rodrigues Garcia. "Desconstruindo com Eva Lopo." Universidade do Estado do Rio de Janeiro, 2011. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=3281.
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O presente trabalho tem como objetivo apresentar uma leitura do romance A Costa dos Murmúrios da autora Lídia Jorge, que aborda o lado oculto da guerra portuguesa em África, denunciando os fatos ali ocorridos, destacando os aspectos da narrativa, o universo simbólico e as características de alguns personagens, com finalidade de desconstruir, revelar, rasurar junto com Eva Lopo a História oficial, bem como ler as entrelinhas a fim de desvendar a barbárie da guerra colonial em África por meio desse extraordinário recuo temporal realizado por Lídia Jorge. Através de sua personagem principal, encontramos a metamorfose de uma frágil Evita, que ressurge, agora, na pele daquela que devora- Eva Lopo (lupus)This work has the purpouse to present a read about the romance A Costa dos Murmúrios of the author Lídia Jorge, about the occult side of the Portuguese war in Africa making a denunciation about the facts that happen there, emphasizing the narrative aspects, the symbolic universe and the characters characteristicts with the finality to reveal with Eva Lopo the official History, and read between the lines to develop the colonial war barbary in Africa across of this extraordinary time retreat perform of Lídia Jorge. Through the principal character, we find the transformation of the fragile Evita, that resurge now, in the skill of the woman that devour Eva Lopo(lupus)
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Zaffaroni, Eugenio Raúl. ""El dolo del loco"." Pontificia Universidad Católica del Perú, 2015. http://repositorio.pucp.edu.pe/index/handle/123456789/116394.
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Costa, Danielle Irigoyen da. "Fun??es de mem?ria em pacientes com epilepsia refrat?ria do lobo temporal antes e ap?s transplante aut?logo de c?lulas-tronco da medula ?ssea." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2012. http://tede2.pucrs.br/tede2/handle/tede/1701.
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Previous issue date: 2012-03-26Introduction: As a chronic disease which is highly prevalent, epilepsy has an important impact on the affected person's psychic/cognitive functioning and their family and social relationships. Among refractory epilepsies, epilepsy of the temporal lobe (ETL) is the most frequent in adults. Studies about lesions on the hippocampus and their effects found that patients with ETL presented verbal and visual memory deficits, depending on the affected hemisphere. Refractoriness to clinical treatment leads to the recommendation of surgery when it is seen that up to that point there have not been any other therapeutic alternatives available. In this context, there is a glimpse of a new treatment possibility for refractory epilepsies, using stem cells. These present a large capacity for proliferation and auto-renovation and the capacity to respond to external stimuli and give rise to different, more specialized cell lines. Objectives: To evaluate the effect of autologous stem cell transplants of bone marrow on the memory functions of patients with refractory epilepsy of the mesial temporal lobe. Patients and Methods: The selection of patients was done at the Outpatient Center for Clinical Epilepsy Research at PUCRS S?o Lucas Hospital [Ambulat?rio de Pesquisa Cl?nica em Epilepsia do Hospital S?o Lucas da PUCRS]. The 13 patients submitted themselves to therapy, and they were evaluated before and after the stem cell treatment (3 and 6 months after). The tests utilized for neuropsychological evaluation (pre and post-therapy) include the Wechsler Memory Scale revised (WMS-R), the Rey Auditory Verbal Learning Test (RAVLT) and the Taylor Complex Figure. Results and Conclusions: The results indicate a significant increase in the neuropsychological scores over time. In six out of seven utilized tests, the increase of average score obtained was significant. In only one test (visual reproduction I WMS R), the increase showed limitrofe statistical significance (between 5% and 10%). Given the favorable evolution of those patients analyzed, the stem cell transplant showed itself to be feasible, safe and with important perspectives for rehabilitation as well as psychosocial and professional reinsertion.
Introdu??o: A epilepsia, enquanto condi??o cr?nica de alta preval?ncia tem impacto importante no funcionamento ps?quico/cognitivo e nas rela??es familiares e sociais da pessoa acometida. Entre as epilepsias refrat?rias, a epilepsia do lobo temporal (ELT) ? a mais freq?ente em adultos. Estudos sobre les?es no hipocampo e seus efeitos, constataram que pacientes com ELT apresentam d?ficits de mem?ria verbal e visual, dependendo do hemisf?rio acometido. A refratariedade ao tratamento cl?nico, leva ? indica??o cir?rgica, visto que at? o momento, n?o est?o dispon?veis outras alternativas terap?uticas. Neste contexto, se vislumbra uma nova possibilidade de tratamento para as epilepsias refrat?rias, utilizando-se c?lulas-tronco (CT). Estas apresentam grande capacidade de prolifera??o e auto-renova??o e capacidade de responder a est?mulos externos dando origem a diferentes linhagens celulares mais especializadas. Objetivos: Avaliar o efeito do transplante aut?logo de c?lulas-tronco da medula ?ssea (CTMO) nas fun??es de mem?ria de pacientes com epilepsia refrat?ria do lobo temporal mesial. Pacientes e M?todos: A sele??o dos pacientes foi realizada no Ambulat?rio de Pesquisa Cl?nica em Epilepsia do Hospital S?o Lucas da PUCRS. Os 13 pacientes que se submeteram ? terapia, foram avaliados antes e ap?s o tratamento com c?lulas-tronco (3 meses e 6 meses depois). Os testes utilizados para avalia??o neuropsicol?gica: Escala de Mem?ria Wechsler-revisada (WMS-R), Teste de Aprendizado de Mem?ria Verbal de Rey (RAVLT) e Figura Complexa de Taylor. Resultados e Conclus?es: Os resultados indicam um aumento significativo nos escores neuropsicol?gicos ao longo do tempo. Em seis dos sete testes utilizados, o acr?scimo no escore m?dio obtido foi significativo e, em apenas um teste (WMS R visual imediato), o acr?scimo apresentou signific?ncia estat?stica lim?trofe (entre 5% e 10%). Dada a evolu??o favor?vel dos pacientes analisados, o transplante de CTMO mostrou-se fact?vel, seguro e com perspectivas importantes para a reabilita??o e reinser??o psicossocial e profissional.
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Barijan, Francisco Paulo Oliva. "Produção de lodo em um reator anaerobio de fluxo ascendente e manta de lodo." [s.n.], 1995. http://repositorio.unicamp.br/jspui/handle/REPOSIP/257925.
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Orientador: Roberto Feijo de FigueiredoDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Civil
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Resumo: Este trabalho teve por objetivo avaliar a produção de lodo em um Reator Anaeróbio de Fluxo Ascendente e Manta de Lodo. Para tanto, foi utilizada uma unidade de tratamento implantada em um loteamento no Município de Sumaré. Foram retiradas amostras de lodo em diferentes profundidades do reator, as quais serviram para a determinação de diversos parâmetros de controle, tais como DQO, DBO, Alcalinidade, pH, Sólidos Totais e Sólidos Voláteis, entre outros. Através dos resultados obtidos, avaliou-se a quantidade de biomassa gerada no processo. Os resultados obtidos para a porcentagem de remoção de Demanda Química de Oxigênio e Demanda Bioquímica de Oxigênio foram 72 % e 81 %, respectivamente. Para Sólidos Suspensos Totais e Sólidos Suspensos Voláteis, as porcentagens de remoção foram 83 % e 80 %, respectivamente. Obteve-se também o acréscimo diário médio de Massas de Sólidos Voláteis e Sólidos Totais, cujos resultados foram 1,075 kg/d e 1,287 kg/d, respectivamente; no decorrer do período analisado. Para os valores de regressão linear obtidos para a massa de sólidos totais no interior do reator relacionados aos valores de regressão linear obtidos para a carga orgânica aplicada, determinou-se uma série de valores decrescentes, cujo último valor foi 0,025 kg ST/kg DQOafluente; valor este representativo da taxa de produção de lodo do reator
Abstract: The objective of this work was to evaluate the sludge production in the Upflow Anaerobic Sludge Blanket (UASB) Reactor. For this, It was utilized a wastewater treatment plant located in the city of Sumaré. Sludge samples were collected from different reactor depths and analyzed for the following control parameters : COD, BOD, AIkalinity, Total Solids and Volatile Solids, and others. The observed removal efficiencies were : COD, 72 %; BOD, 81 %; TSS, 83 %; and, VSS, 80% Average Volatile Solids daily growth rate was 1.075 kg/d, while the average Total Solids daily growth was 1.287 kg/d. Results showed that the Upflow Anaerobic Sludge Blanket (UASB) Reactor is a good alternative for municipal wastewater treatment
Mestrado
Recursos Hidricos e Saneamento
Mestre em Engenharia Civil
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Marrè, Tobia. "Gruppi treccia e loro rappresentazioni." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14739/.
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In questa tesi si descrive il gruppo treccia mostrandone tre definizioni equivalenti e dandone una presentazione algebrica; quindi si costruiscono le rappresentazioni di Burau e di Lawrence-Krammer dei gruppi treccia. Infine si descrive un procedimento per determinare elementi non banali nel nucleo della rappresentazione di Burau.
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Balzani, Marco. "Immagini DTM e loro applicazione." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/15633/.
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Analisi generale della struttura e realizzazione dei file DTM, del campionamento dei dati atti alla realizzazione dei modelli digitali del terreno e panoramica sull'applicazione dei DTM nelle varie discipline.
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Nacciarriti, Riccardo. "Parametri cosmologici e loro determinazione." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2018.
Find full textAbstract:
L'elaborato, dopo aver elencato sommariamente i principali punti cardine della cosmologia, come le equazioni di Friedmann e le tipologie di modelli, si dedica alla descrizione dei parametri cosmologici.
Vengono trattati: Legge di Hubble, costante di Hubble, parametro di Hubble, parametro di espansione, parametro di curvatura, parametro di decelerazione, parametri di densità ed età dell'universo. Si fa riferimento ai metodi per calcolare il parametro di Hubble, dall'utilizzare il grafico di Hubble fino a confrontare i dati della CMB e di altre surveys, con relativi grafici. Si parla del modello critico e della densità critica, arrivando a definire il parametro di densità per la costante cosmologica, con i conseguenti casi per determinare il parametro di curvatura k. Viene trattata brevemente l'età dell'Universo e definito il parametro di decelerazione, con l'utilizzo delle supernovae di tipo Ia per calcolarlo, senza entrare però nei dettagli. In seguito viene presentato un excursus sulla CMB e in particolare sullo spettro di potenza angolare, concentrandosi sulle anisotropie della temperatura e dando una spiegazione fisica del grafico. Ci si occupa in seguito dell'impatto della densità di materia nello spettro di potenza, mostrando l'andamento del parametro di materia barionica e non barionica con i relativi grafici. Come ultima cosa, si utilizzano i risultati ottenuti dall'ultima missione Planck, VI, pubblicati nel 2018, per fornire la stima più aggiornata e veritiera dei parametri trattati. Vengono dati valori per: costante di Hubble, Densità di materia, Densità di energia oscura, Curvatura dell'Universo ed Età dell'Universo. Breve conclusione con riflessione sul modello Lambda-CDM.
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Barbani, Filippo. "Parametri cosmologici e loro determinazione." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/18726/.
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Il presente elaborato ha lo scopo di trattare il significato dei principali parametri cosmologici e di analizzare a fondo uno dei metodi con cui alcuni di questi sono ottenuti.
Inizialmente vengono discusse la curvatura dell'universo K, la legge di Hubble-Lemaître (da cui emerge il parametro di Hubble) e le equazioni di Friedmann dalle quali si ricavano i relativi modelli, che forniscono gli andamenti del fattore di scala a(t) per differenti fasi dell'universo. Essi sono utili per far emergere alcuni importanti parametri cosmologici: la densità delle differenti componenti dell'universo (radiazione, materia ed energia oscura) rapportata alla densità critica. In seguito viene trattato il modello Lambda-CDM, attualmente in vigore in cosmologia e vengono forniti i valori di alcuni parametri cosmologici misurati dal satellite Planck, analizzando per alcuni il metodo di determinazione. Viene quindi illustrata approfonditamente la radiazione cosmica di fondo, i suoi meccanismi primari di anisotropia, lo spettro di potenza angolare ed il suo utilizzo nella misurazione di alcuni parametri cosmologici.
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Zaccardi, Angelo. "Parametri cosmologici e loro determinazione." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/19484/.
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In questa tesi si vogliono discutere in maniera generale alcuni parametri cosmologici
fondamentali. Nella prima parte si vedrà come si possono derivare analiticamente
le equazioni di Friedmann (sotto le opportune ipotesi di universo omogeneo e isotropo)
e come da esse si possono ricavare alcuni dei parametri più importanti. Si
presentano inoltre alcuni modelli di Universo e una breve introduzione al modello
CDM. Nella seconda sezione, introdotto il concetto di candele standard e di distanza
di luminosità, si vuole, tramite le Supernovae di Tipo Ia (rese candele standard
attraverso una opportuna "standardizzazione"), ricavare empiricamente i parametri
di densità di materia
m ed energia oscura e la costante di Hubble H0, e questo
sarà possibile mettendo in relazione il modulo di distanza ed il redshift cosmologico,
per vincolare i parametri cosmologici e riprodurre teoricamente una funzione
che approssima al meglio i dati osservativi. Si concluderà infine con considerazioni
riguardo le conclusioni derivate in merito.
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Monaldi, Jessica. "neuroni artificiali e loro applicazioni." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/21371/.
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Trattazione teorica dei neuroni artificiali, con analisi di come questi sono stati sviluppati a partire dall'analisi di un neurone biologico e dal modello matematico di Hodgkin-Huxley, con un approfondimento riguardante gli ipotetici utilizzi.
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Rosano, Giulio. "Parametri cosmologici e loro determinazione." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/9803/.
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In questa tesi si vuole fornire una descrizione generale dei principali parametri cosmologici e di come questi possano essere determinati attraverso osservazioni. In particolare saremo interessati alla natura dei parametri di densità, che hanno un ruolo fondamentale nella geometria dell'Universo, e al parametro di Hubble, che stabilisce una relazione lineare tra la distanza e la velocità di recessione, garantisce quindi una legge generale di espansione per l'Universo.
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Fontenelle, Jonathan Santos. "O Narrador António Lobo Antunes." Universidade do Estado do Rio de Janeiro, 2008. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=606.
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A presente dissertação trata dos romances Memória de Elefante, Os Cus de Judas e Conhecimento do Inferno do escritor português António Lobo Antunes. Para tal, a perspectiva assumida foi tentar entender as obras por parâmetros detectáveis nas mesmas e em outros meios pelos quais o autor dirige-se ao público como crônicas e entrevistas. Essa perspectiva permitiu destacar um aspecto essencial da obra do autor que a crítica em geral chama de uma certa tendência à autobiografia. Esse caráter autobiográfico não só é afirmado por Lobo Antunes como ele propõe sua expansão a todos os livros; só não se sabe se exclusivamente os literários ou não. A partir dessa expansão e de experimentações que algumas falas permitem é possível dissociar a idéia do autor estudado da idéia de autobiografia tradicionalmente demarcada que é estudada por Philippe Lejeune em Le Pacte Autobiographique. Além do que se torna aceitável dizer que, para o escritor português, autobiografia seria uma escrita que provasse a existência de um narrador. Baseando-se na hipótese de que Lobo Antunes deseja, de um modo geral, garantir sua existência e, desse modo, marcar a presença do humano no planeta, a dissertação buscou estabelecer uma outra autobiografia possível deste narrador a fim de destacá-lo e destacar o humano que ele expõeThis dissertation deals with the novels Memória de Elefante, Os Cus de Judas and Conhecimento do Inferno from the portuguese writer António Lobo Antunes. To that end, the view taken was to try to understand the work by parameters detectables in the same and others ways by which the author turns to the public like chronicles and interviews. That prospect highlights an essential aspect in the work of the author, that criticism in general calls "a certain tendency toward autobiography." This autobiographical character is not only claimed by Lobo Antunes as he proposes to expand to all books, but it is not known whether only the literature, or not. From this expansion and experimentation that allowed by some discourses is possible to separate the idea of an author studied from the idea of autobiography traditionally demarcated this subject is studied by Philippe Lejeune in Le pacte Autobiographique. In addition to what is acceptable to say, for the portuguese writer, autobiography is a writing that would prove the existence of a narrator. Based on the hypothesis that Lobo Antunes want, in general, ensure their existence and thus mark the presence of humans on the planet, the dissertation sought to create another possible autobiography of this narrator to highlight it and the humans he explains
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Albuquerque, Mônica Chateaubriand Diniz Pires e. "Edu Lobo: o terceiro vértice." reponame:Repositório Institucional do FGV, 2006. http://hdl.handle.net/10438/2104.
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Previous issue date: 2006-02-21T00:00:00ZThe very purpose of this paper is to describe Edu Lobo’s trajectory within the Brazilian popular music scenario. From a possible genealogy commenced with Heitor Villa-Lobos, passing through Tom Jobim and finishing with Edu Lobo, this paper will stress the commingled influence of these three composers in adopting a vanguard attitude of rescuing and cultivating traditions. The universalization and development of these traditions resulted in the modern Brazilian Popular music of the XX century. Through the methodology of oral history and based on declarations of renowned composers, musicians, critics and singers, most of them appointed by Edu Lobo himself, this paper analyze the context in which Edu Lobo’s work has been developed.
Este trabalho pretende situar a trajetória de Edu Lobo no cenárioda música popular brasileira. Partindo de uma possívelgenealogia que se inicia com Heitor Villa-Lobos, passa por TomJobim e alcança Edu Lobo, estabelecemos uma tríade seguindo aatitude modernista de cultivo e resgate de tradições,universalizando-as e recriando-as, no que veio a ser a modernamúsica popular brasileira do século XX. Por meio dametodologia de história oral, colhendo depoimentos decompositores, músicos, críticos, cantores, em sua maioriaindicados pelo próprio Edu Lobo, tecemos o cenário em que sedesenvolveu sua obra.
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Vale, Glaura Aparecida Siqueira Cardoso. "António Lobo Antunes, leitor: leitor." Universidade Federal de Minas Gerais, 2013. http://hdl.handle.net/1843/ECAP-97YJAA.
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This thesis aims to investigate the reading and writing scene in António Lobo Antunes based on an analysis of his war letters, articles and of the episodes of the three novels that make up his autobiographical memory, Memória de elefante (1979), Os cus de Judas (1979), Conhecimento do inferno (1980). These texts show that reading and writing are ruled by a
reversibility and that they are not, therefore, distinct and independent processes in the author´s work. The complex war situation as scene and condition of production is implicated in his first novels and chronicles which, associated with the letters that brand that cycle, are an important research material in order to verify this reversibility. It is worth noted the urgency of a project (the books to come), the awakening of his endless work of observation and sieving of the reader Lobo Antunesmemory corroborating the composing of his writing. In this regard, the cultural references along his work that point out a reading scene ratified by his
writing (integrating that readers memory either as research topic for his literary project, or as an element for the elaboration of his work) will be investigated as well as it will be considered the construction of a virtual circular library. Based on this proposition and according to Walter Benjamin, it is argued that the term cultural reference can be taken as trace, vestige, trail of the presence of something that has already become absent.Esta tese pretende investigar a cena da leitura e da escrita em António Lobo Antunes partindo da análise das cartas de guerra, das crônicas e de episódios dos três romances que compõem a guinada autobiográfica, Memória de elefante (1979), Os cus de Judas (1979), Conhecimento do inferno (1980). Tais textos evidenciam que a leitura e a escrita são regidos por uma reversibilidade, não sendo, portanto, processos distintos e independentes na construção da obra do autor. A complexa situação da guerra como cenário e condição de produção está implicada nos romances iniciais e nas crônicas, que, conjugados com as cartas que marcam esse período, são um importante material de pesquisa para verificar essa reversibilidade. Percebe-se nesse material a urgência de um projeto (os livros por vir), o despertar do seu trabalho contínuo de observação e filtragem da memória do leitor Lobo Antunes a corroborar a composição de sua escrita. Nesse sentido, serão detidamente investigadas as referências culturais que atravessam sua obra e que indicam a cena da leitura ratificada pela escrita (integrando aquela memória, ora como objeto de pesquisa do seu projeto literário, ora como matéria de elaboração da obra), bem como será verificada, em seu diálogo com as outras artes, a construção de uma biblioteca circular virtual. A partir desse argumento e de acordo com Walter Benjamin, defende-se que o termo referência cultural possa ser tomado como traço, vestígio, rastro, da presença de algo que já se tornou ausente.
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Meunier, Dimitri. "La Gendarmerie et la LOLF." Paris 5, 2009. http://www.theses.fr/2009PA05D013.
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Depuis le vote de la loi organique relative aux lois de finances et jusqu’à la veille des grands changements institutionnels qui l’attendent, la gendarmerie nationale n’a cessé de s’adapter. Ses processus d’adaptation sont intégrés à un large mouvement de l’Etat, défini par la révision générale des politiques publiques. Les évolutions comptables, financières et budgétaires de le gendarmerie répondent aux obligations de la loi organique relative aux lois de finances. La loi organique relative aux lois de finances a renforcé les contrôles parlementaires et administratifs. Le Parlement est plus étroitement associé à l’exécution du budget, par le biais de procédures d’information ou d’avis concernant les mouvements règlementaires de crédits intervenant en cours d’année ; enfin les pouvoirs de contrôle des commissions des finances des deux assemblées sont accrus, et le droit d’amendement est élargi. Il est aussi mieux informé sur la dépense a posteriori et le niveau de performance atteint par la gendarmerie. A l’occasion de la présentation du projet de loi de règlement, qui est devenu un temps fort de la vie parlementaire, un rapport annuel de performances fait connaitre, de manière systématique au projet annuel de performances, les résultats obtenus par la gendarmerie. Corrélativement, la Cour des comptes a acquis une mission de certification des comptes primordiale pour l’application du principe de sincérité. La présentation de la dotation et les normes comptables ont été modifiées pour accroitre la transparence des comptes de la gendarmerie. Les contrôles administratifs externes et internes à la gendarmerie ont été adaptés favorisant le dialogue entre les acteurs et la responsabilité des gestionnaires. La réforme budgétaire repose donc sur un échange : d’un côté les gestionnaires auront plus de liberté, notamment grâce à la globalisation des crédits. De l’autre, ils feront l’objet de contrôle accrus et devront rendre compte des résultats aux citoyens et au Parlement. Mais cette nouvelle liberté de gestion reste contrainte par la mécanique complexe de la dépense publique en gendarmerie. De plus la performance exigée de la dépense au sein de la gendarmerie est fortement induite par l’efficacité des différents contrôles. Au terme de cette étude, il ressort que la gendarmerie est une force armée moderne, adaptée aux exigences de transparence et de performance de la dépense publiqueSince the vote on the finance section of the organic law, up to the dawn of future great institutional changes, the gendarmerie nationale never ceased to adapt. These adaptations are part of a larger State movement defined by the general revision of public policies. The accounting, financial and budgetary evolutions of the gendarmerie nationale address the requirements established by the finance section of the organic law. The finance section of the organic law reinforced the parliamentary and administrative controls. The Parliament is closely associated with the execution of the budget via the information processes or the published opinions concerning regulatory credit transactions of year end ; furthertmore, the oversight power of the Financial committees from both parliament chambers are increased and the amendment right extended. The parliament is also better informed on the spending after the fact and the level of performance reached by the gendarmerie. When the regulation bill is introduced, wich has become a strong moment of the parliamentary life, an annual performance report presents the results obtained by the gendarmerie similary to the annual performance project Correlatively, the Cour des comptes acquired the critical mission of certifying the accounts in accordance with the sincerity principle. The allocation and accounting rules have been modified to increase the accounts transparency in the gendarmerie. The administrative controls whether external or internal to the gendarmerie have been adapted, increasing the dialogue between protagonists and the managers’ responsibilities. The budgetary reform rests on an exchange principle : on one site, the managers acquire more freedom especially with the globalization of credits. On the other side, they are submitted to increased controls and have to answer of their actions to the citizens and parliament. But this new managing freedom is constrained by the complex mechanics of the public expenditure in gendarmerie. In addition, the required spending performance in gendarmerie is highly depending of the efficiency of the different controls. In conclusion, the gendarmerie is a modern military force in full compliance with the transparency and performance requirements of the public expenditure
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Hoffmann, Christophe. "L'anesthesie loco-regionale en odontostomatologie." Université Louis Pasteur (Strasbourg) (1971-2008), 1986. http://www.theses.fr/1986STR1D059.
Full text
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Tritová, Lenka. "Firemní logo a jeho inovace." Master's thesis, Vysoká škola ekonomická v Praze, 2010. http://www.nusl.cz/ntk/nusl-72163.
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The aims of the Master's Thesis were to find out how the change of the corporate logo of travel agency Strakotour has influenced the business and how the amateur and the expert feel about this innovation. The theoretical part describes the basic concepts of logo creation, corporate design, culture and communication. The logos of big companies and their "stories of success" are explained there too. In the third part I introduce the travel agency Strakotour, its position in the market and the way of communication, which is characterised by the recent change of its corporate logo. Then the practical part shows problematic factors of this innovation: its pros and cons. The research was carried out via focus group and individual personal interviews. The results of the research are well-arranged in tables, graphs and diagrams in the practical part. The most important findings and recommendations can be found in the final parts and in the conclusion of this Master's Thesis.
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Strömgren, Daniel. "Lola är din vän : En studie i möjliga interaktiva filmberättelser med Lola Rennt i fokus." Thesis, Linnéuniversitetet, Institutionen för film och litteratur (IFL), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-39629.
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Uppsatsens syfte är att utreda huruvida ett visst mått av interaktivitet är möjlig inom ramen för en films berättarstruktur. Med andra ord söker den visa om en tittare kan vara delaktig i filmens handlingsförlopp genom att aktivt påverka det. För uppsatsens syfte används filmen Lola Rennt (Spring Lola, Tom Tykwer, 1998) som en teoretisk försökskanin. Genom analys av filmens berättarstruktur och diverse tidigare forskning, fallstudium inom interaktiv film, samt relevanta bitar ur de Narratologiska (berättarforskning) och Ludologiska (spelforskning) skolorna ämnas det finna svar på hur ett interaktivt filmnarrativ kan se ut, samt hur det skulle påverka tittarens relation gentemot filmens karaktärer och handling.
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Barros, Bianca Maria Pedroso Teixeira de. "Avaliação da progressão da atrofia de estruturas do lobo temporal nas epilepsias de lobo temporal." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/309289.
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Orientador: Fernando CendesTese (doutorado) - Universidade Estadual de Campinas, Faculdade de Ciências Médicas
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Resumo: As epilepsias atingem cerca de 1 a 2% da população. Cerca de 60% dos pacientes com epilepsia apresentam epilepsias parciais. Dentre as epilepsias parciais, a forma mais comum é a epilepsia do lobo temporal (ELT), por esse motivo que as outras epilepsias são chamadas de extratemporais. Recentemente, com o advento da imagem por ressonância magnética (RM), lesões estruturais, que até então não eram diagnosticadas antes da cirurgia, têm sido facilmente detectadas. Estudos volumétricos anteriores indicam que crises parciais repetidas durante a vida (com exceção de estado de mal epiléptico) não causam aumento da atrofia da amígdala ou hipocampo, enquanto que estudos mais recentes, utilizando técnica de morfometria baseada em voxel, indicam progressão da atrofia de estruturas do lobo temporal e extra-temporais Além disso, existem trabalhos que dão suporte à hipótese de que os mesmos mecanismos patogênicos durante a embriogênese ou maturação peri- e pós-natal podem explicar a ocorrência concomitante de epilepsias e outros tipos de lesões estruturais. Neste trabalho realizamos um estudo longitudinal em longo prazo, em uma série de pacientes com epilepsias parciais para avaliar a progressão da atrofia em estruturas do lobo temporal, usando o programa Display que é um programa semi-automático de volumetria por ressonância magnética. Na comparação entre controles e pacientes, observamos atrofia hipocampal e de amígdala ipsilateral ao foco epileptogênico, bem como atrofia contralateral ao foco epileptogênico do hipocampo e do lobo temporal anterior. Não houve diferença significativa no volume dos giros parahipocampais dos pacientes comparados aos controles. Das quatro estruturas analisadas, o hipocampo foi a única que mostrou índice de assimetria diferente dos controles. Na análise de RM repetidas não houve diferença entre volumes destas quatro estruturas no grupo controle. Na comparação entre as duas RMs no grupo dos pacientes, encontramos redução significativa de volume dos lobos temporais de forma simétrica. Encontramos ainda uma discreta progressão da atrofia do giro parahipocampal esquerdo e hipocampo direito nos pacientes com ELT. No entanto, não detectamos progressão da atrofia de amígdala. A ausência de progressão das estruturas mais acometidas na ELT pode ser explicada pelo longo tempo de epilepsia destes pacientes, com eventual efeito de saturação da atrofia, ou eventualmente por falta de sensibilidade da técnica em detectar graus sutis de progressão de atrofia, ou ainda pelo curto intervalo entre os exames de RM. Este estudo confirma a progressão de atrofia em estruturas mesiais do lobo temporal em pacientes com ELT.
Abstract: Epilepsy affects about 1 2% of the population. About 60% of the patients with epilepsy present partial epilepsies. Amongst the partial epilepsies, the most common form is the temporal lobe epilepsy (TLE), therefore the other partial epilepsies are usually called extratemporal epilepsies. With the advent of magnetic resonance imaging (MRI), structural lesions, that until then were not diagnosed before the surgery, have been easily detected. Previous volumetric studies indicate that repeated partial seizures during life (with exception of status epilepticus) do not cause major increase of the atrophy of amigdala or hippocampus. However, more recent studies using voxel based morphometry have shown progression of temporal and extratemporal atrophy. Moreover, several studies support the hypothesis that the same pathogenic mechanisms during embriogenesis or pre or early post-natal periods may explain the concomitant occurrence of epilepsies and other types of structural injuries. In this work we performed a longitudinal study, following a series of patients with TLE. We evaluated the progression of the atrophy of temporal lobe structures, using volumetry in repeated MRIs. In the comparison between controls and patients, we observed atrophy of the hippocampus and amygdala ipsilateral to the epileptogenic focus and contralateral atrophy of hippocampus and anterior temporal lobe. There was no significant difference in parahipopcampal volumes in controls and patients. Of the four structures analysed, the hippocampus was the only one that showed a significant difference in the asymmetry index between controls and patients. In the analysis of repeated MRIs there was no difference between volumes of these structures in the control group. In the pacients group ,we observed a significant volume reduction in both anterior temporal lobes. We also found a mild progression of atrophy of the left parahippocampal gyrus and anterior right hippocampus in patients with TLE. However, we did not detect progression of atrophy of the amygdala. The absence of progression of atrophy in the structures most affected in TLE may be explained by the long duration of epilepsy in these patients, with possible floor effect of atrophy, or possibly due to the lack of sensitivity of this technique in detecting subtle degrees of progression of atrophy, or due to the short interval between MRI examinations. This study confirms the progression of atrophy of extra-hippocampal structures in TLE.
Doutorado
Neurociencias
Doutor em Fisiopatologia Medica
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Pichorim, Andréia. "Cerâmica vermelha a partir de lodo galvânico, lodo de anodização do alumínio e areia de fundição." Universidade Tecnológica Federal do Paraná, 2018. http://repositorio.utfpr.edu.br/jspui/handle/1/3148.
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Conselho Nacional do Desenvolvimento Científico e Tecnológico (CNPq)O principal objetivo deste estudo é desenvolver um compósito cerâmico e uma tecnologia de laboratório para a produção de materiais de construção com maior percentual de lodo galvânico, lodo de anodização do alumínio, areia de fundição e argila taguá. Os corpos de prova foram confeccionados com 20 g e 16 g em molde de 20 x 60 mm e prensados utilizando-se uma uniaxial de 10 MPa. Os corpos de prova foram sinterizados a temperaturas de 900, 950, 1000, 1050, 1100, 1150, 1200 e 1250°C durante 6 horas. Foram realizadas análises de densidade, perda ao fogo, FRX, DRX, MEV/EDS, TGA/DSC, retração linear após queima, absorção de água, resistência de ruptura à flexão e lixiviação, a fim de caracterizar as matérias primas e o material cerâmico desenvolvido. A concentração destes resíduos, utilizados como matérias-primas, variou nos seguintes limites: lodo galvânico 0-10%, lodo de anodização do alumínio 0- 75%, areia de fundição de 0-20% e a argila Taguá de 0-80%. Os valores de resistência de ruptura à flexão na composição 1 a 900 °C alcançaram 5,87 MPa e a 1250 °C alcançaram 12,99 MPa, na composição 7 a 900 °C – 1,40 MPa, e a 1250 °C – 26,82 MPa. Através de métodos de MEV, observou-se que a temperatura de 900 °C a interação das particulas é mecânica e a temperatura de 1250 °C esta interação tornou-se coesa e a argila funde-se transforma-se em um material semelhante ao vidro. Os resultados do ensaio de lixiviação apontaram que os materiais cerâmicos após a sinterização apresentaram traços de Pb, Cu, Al e Fe, tendo imobilizado apenas parte dos metais pesados analisados, o que os classifica como resíduos perigosos. Em comparação com as normas brasileiras, no quesito resistência, as cerâmicas atenderam aos parâmetros para uso em blocos cerâmicos para alvenaria estrutural nas categorias A, B e C e tijolos maciços comuns para alvenaria, respectivamente, no entanto, a imobilização de metais pesados carece de ajustes para que se alcance um material cerâmico ambientalmente amigável.
The main objective of this study is to develop a ceramic composite and laboratory technology for the production of building materials with higher percentage of galvanic sludge, aluminium anodizing sludge, foundry sand and clay Taguá. The bodies of proof (CPs) were made with 20 g and 16 g in 20 x 60 mm mould and with uniaxial press of 10 MPa. The CPs were sintered at temperatures of 900, 950, 1000, 1050, 1100, 1150, 1200 and 1250° C for 6 hours. Density analyses were performed, fire loss, FRX, DRX, SEM/EDS, TGA/DSC, linear firing shrinkage, water absorption, flexural strength and leaching in order to characterize raw materials and developed ceramic material. The concentration of these residues, that were used as raw materials, varied in the following boundaries: galvanic sludge 0-10%, aluminium anodizing sludge 0- 75%, 0-20% foundry sand and clay Taguá of 0-80%. The values of flexural strength in composition 1 were 900 °C reached 5.87 MPa and 1250 °C reached 12.99 MPa, and composition 7 to 900 °C – 1.40 MPa, and 1250 °C – 26.82 MPa. SEM to the temperature of 900 °C showed the interaction of particles is mechanical and to the one of 1250 °C exhibited the cohesive interaction and clay fusion produced a material similar to glass. The results of the leaching indicated that the ceramic materials after sintering showed traces of Pb, Cu, Al and Fe, having immobilised just part of heavy metals present in the composition, which classifies it as hazardous waste. In comparison with the Brazilian standards, resistance aspect met the requirement for use in ceramic blocks for structural masonry in categories A, B and C, and solid bricks for masonry, respectively, however, the immobilization of heavy metals requires adjustments to achieve an environmentally friendly ceramic material.
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MARTINEZ, GARCIA CRISTIAN GENARO 207109, and GARCIA CRISTIAN GENARO MARTINEZ. "Proceso de lodo activado de baja produccion de lodo; Mecanismos de reduccion de masa y modelacion." Tesis de doctorado, Universidad Autonoma del Estado de México, 2015. http://hdl.handle.net/20.500.11799/80308.
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El tratamiento y disposición de los lodos residuales de las plantas de tratamiento representa del 25 al 60 % del costo total de su operación, por lo que es importante minimizar las cantidades que se generan en los procesos de tratamiento. Para hacer frente a esta problemática, se están desarrollando e investigando estrategias para disminuir el volumen de lodo residual a disponer, como son el proceso OSA (por sus siglas en inglés Oxic-Settling-Anaerobic) y el proceso “caníbal; en los cuales se coloca un tanque de intercambio (TI) en la línea de recirculación de lodos de la planta de tratamiento (en condiciones anaerobias e hipóxicas, respectivamente) con lo cual, la biomasa alterna entre ciclos aerobios en presencia de sustrato y las condiciones del TI (sin sustrato). Se han realizado diversos estudios comparando la degradación del lodo biológico, empleando diferentes condiciones en los tanques de intercambio, sin embargo, la mayoria comparan dos o tres ambientes diferentes con un mismo tipo de lodo ó dos tipos de lodo bajo una sola condición en el tanque de intercambio. Además, hay muy poca información en la literatura sobre el efecto de los diferentes ambientes de digestión sobre la fracción XP y sobre los mecanismos que ocurren en los mismos. El presente proyecto de tesis tiene como propósito estudiar los efectos de los distintos ambientes (anaerobio, hipóxico, aerobio y aireación intermitente) sobre la reducción de sólidos del reactor de intercambio en un proceso modificado de baja producción de lodos, así como seguir el porvenir de los XP, mediante el uso de la modelación con base en el ASM1 y datos obtenidos en reactores a nivel laboratorio. Con este fin, se generó un lodo-modelo, el cual contenía únicamente las fracciones XH y XP. El lodo fue generado en dos reactores secuenciales barch (SBR) de 30 litros alimentados con agua sintética, la cual tenía como fuente de carbono acetato, con una demanda química de oxígeno (DQO) de 500 mg/L. En la primera fase del estudio, el lodo-modelo fue digerido en condiciones aerobias y monitoreado por un lapso de 140 días, determinando total y soluble (DQOT y DQOs), sólidos suspendidos totales y volátiles (SST y SSV) y realizando mediciones de temperatura y pH. Al final de la corrida, se alcanzó una reducción de 44% en términos de SSV. Los datos obtenidos fueron simulados mediante el modelo del ASM1 en el software Aquasim. La modelación permitió estimar las constantes bH (0.023 d-1), y las tasas DQO/SSV de la biomasa activa (icvH = 1.48) y los residuos endógenos (icvP = 1.06). El valor de bH fue 10 veces menor a lo reportado en la literatura para la biomasa heterótrofa ordinaria tipo OHO (0.2 d-1), por lo cual se consideró que el tipo de biomasa generado fue de tipo acumulador (PAO y/o GAO), lo cual fue comprobado mediante una corrida de cinética de DQOs en paralelo con mediciones de respirometría (rO2). Los valores de icvH e icvP sugieren que para las bacterias acumuladoras, la relación DQO/SSV es diferente para la biomasa activa (icvH) y para la fracción XP (icvP). En la segunda fase, se digirió el lodo-modelo bajo siete diferentes ambientes (anaerobio, aerobio, hipóxico y cuatro reactores intermitentes, 5min-3h, 30min-6h, 2h-10h y 12h-12h), los cuales fueron monitoreados por 120 días determinando DQOT, DQOs, SST, SSV y realizando mediciones de temperatura, potencial de oxido reducción (ORP) y pH. En este tiempo se alcanzó una reducción promedio del 58% de SSV en los digestores. Se observó que los ambientes hipóxico y el intermitente 5min-3h (5 minutos con aireación, seguido de 3 horas sin aireación) mostraron mayor porcentaje de degradación, lo que indica que el tener condiciones con limitaciones de oxígeno o alternar entre condiciones aerobias y anaerobias favorece más la degradación de la materia orgánica. Los datos de los siete digestores fueron simulados con un modelo que considera el decaimiento de la fracción XP con una constante de decaimiento de primer orden bP. Las constantes de decaimiento bH y bP y las tasas icvH e icvP fueron estimadas. El digestor hipóxico obtuvo las mejores tasa de decaimiento de bH y bP (0.047 y 0.0046 d-1 respectivamente), esto indica que son las mejores condiciones para la digestión de este tipo de lodo-modelo. Los valores de icvH e icvP fueron 0.54 y 0.19 respectivamente, son muy semejantes a los obtenidos en la fase anterior. En la última fase, se tomó licor mezclado de la planta de tratamiento de aguas residuales municipales Toluca-Norte y se digirió bajo los mismos siete ambientes, monitoreando los digestores por 70 días, realizando determinaciones de DQOT, DQOs, SST, SSV y realizando mediciones de temperatura y pH. Para este tipo de lodo, el mayor porcentaje de reducción de masa lo obtuvo el digestor intermitente 12h-12h, reduciendo el 66% de SSV. Al simular los datos con el modelo que considera el decaimiento de la fracción XP, se observó que la mejor tasa de decaimiento bH fue de 0.18 d-1(muy próximo al 0.2 d-1 para la biomasa OHO) en el digestor intermitente 12h-12h. Los datos obtenidos en la fase experimental no proporcionaron suficiente información para determinar un bP para cada ambiente, sin embargo se estimó un bP promedio de 0.035 d-1 para todos los digestores.
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Scearce, Jane. "lol i'm fine." Scholarship @ Claremont, 2015. http://scholarship.claremont.edu/scripps_theses/600.
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This media studies thesis is a series of digitally-made composites/collages visually inspired by popular text posts from Tumblr. The text posts -- and the images inspired by them -- reflect the ironic and sarcastic humor teens and 20-somethings use to cope with mental health issues.
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Palmucci, Lorenzo. "Parametri cosmologici e la loro determinazione." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/21229/.
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La seguente tesi è incentrata sulla descrizione dei parametri cosmologici fondamentali dell'universo e di come sia possibile stimarli tramite le osservazioni.
In particolare nel primo capitolo parleremo di come essi influiscano sulle proprietà dinamiche e geometriche dell'universo enunciando inoltre le relazioni che li legano tra loro.
Successivamente mostreremo i metodi di misurazione principali effettuati per la determinazione del valore dei parametri di Hubble, decelerazione e dei parametri di densità per le componenti di materia ed energia oscura, nello specifico tratteremo le misure con candele standart e, senza entrare nel dettaglio, mostreremo la loro l'influenza sullo spettro della radiazione cosmica di fondo che funge da osservabile per la determinazione dei parametri.
Tali valori infine saranno elencati nel terzo capitolo dove tratteremo il modello LambdaCDM, attualmente usato in cosmologia, elencandone brevemente le principali caratteristiche e mostrando come i parametri si evolvono all'interno del modello.
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Vanzo, Davide. "Curve razionali normali e loro proiezioni." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amslaurea.unibo.it/1592/.
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Rinaldi, Luca. "Le matrici e la loro algebra." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amslaurea.unibo.it/4429/.
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In questa tesi ci si propone lo studio dell'anello delle matrici quadrate di ordine n, su un campo, per arrivare a dimostrare che ha solo ideali banali pur non essendo un campo. Allo scopo si introducono le operazioni elementari e il procedimento di traduzione di tali operazioni con opportune moltiplicazioni per matrici dette elementari.
Si considera inoltre il gruppo generale lineare arrivando a dimostrare che un particolare sottoinsieme delle matrici elementari è un generatore di tale gruppo.
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Giampieri, Cinzia. "Gli Pteropodi e la loro diagenesi." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amslaurea.unibo.it/4876/.
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Gli pteropodi sono molluschi marini planctonici diffusi globalmente a tutte le latitudini e hanno una storia geologica che abbraccia quasi tutto il Cenozoico. Rappresentano una parte consistente dello zooplancton marino e, un gruppo sistematico capace di estrarre una notevole quantità di carbonato di calcio dalle masse oceaniche. Da qui l’importanza che hanno ricevuto negli ultimi anni con gli studi sull’acidificazione e su come questa agisca sulle loro fragili conchiglie.
Per questo motivo è importante conoscere anche i meccanismi eodiagenetici che possono permetterne o meno la conservazione nei fondali marini. L’analisi di un set mirato di campioni provenienti da profondità batiali del Mar Tirreno e del Mar Ionio fornisce alcuni elementi interessanti nell’ambito di questa tematica.
L'analisi di dettaglio al microscopio ottico e a scansione sulla struttura dei gusci permette di individuare modificazioni microstrutturali imputabili a processi diagenetici precoci e l’utilizzo di materiale subfossile permette di escluderne una causa antropica.
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Lemos, Radamés Gonçalves de. "Viabilidade de reaproveitamento de lodo galvânico." Universidade Federal do Amazonas, 2009. http://tede.ufam.edu.br/handle/tede/3330.
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Previous issue date: 2009-09-01Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
We conducted a study on the feasibility of using waste galvanic industry from an Industrial Pole of Manaus (PIM). In the first phase of work aimed to identify leaching tests for those potentially toxic metals dangerousness which gave the residue, were subsequently made specimens with different ratios of sand, pebble, cement and water. Next we sought a way to reduce the amount of cement residue, making replacement cement by waste in the following proportion 2.5 5.0 10.0 and 20.0%. From 7 and 28 days tests were made rupture. In second phase the residue was mixed with organic material (sugar) and inorganic (kaolinite), followed by calcination at temperatures ranging from 500 to 900 ⁰ C. The results indicated that among the specimens analyzed those containing from 5.0 and 10.0% showed no changes in behavior. Mixing waste / kaolinite when calcined at 500 ⁰ C suffered a process crystallization was more pronounced from 600 to 900 ⁰ C. With relation to the mix waste / sugar was observed that between 500 and 600 ⁰ C for crystallization process, but at 700 ⁰ C disappears occurring again between 800 and 900 ⁰ C.
Foi realizado um estudo sobre a viabilidade de uso do resíduo galvânico, proveniente de uma indústria do Pólo Industrial de Manaus (PIM). Na primeira fase do trabalho buscou-se identificar por ensaios de lixiviação aqueles metais potencialmente tóxicos que conferiam periculosidade ao resíduo, posteriormente foram confeccionados corpos de prova com diferentes relações de areia, seixo, cimento e água. Em seguida buscou-se uma forma de reduzir a quantidade cimento por resíduo, fazendo substituição de cimento por resíduo na seguinte proporção 2,5 5,0 10,0 e 20,0%. A partir de 7 e 28 dias foram realizados testes de ruptura. Na segunda fase o resíduo foi misturado a material orgânico (açúcar) e inorgânico (caulinita), seguida de calcinação em temperaturas variando de 500 a 900 ⁰C. Os resultados indicaram que entre os corpos de prova analisados aqueles contendo de 5,0 e 10,0% não apresentavam alterações de comportamento. A mistura resíduo/caulinita quando calcinada a 500 ⁰C sofria um processo de cristalização, sendo mais acentuada de 600 a 900 ⁰C. Com relação à mistura resíduo/açúcar observou-se que entre 500 e 600 ⁰C há processo de cristalização, mas que em 700 ⁰C desaparece, ocorrendo novamente entre 800 e 900 ⁰C.