Letteratura scientifica selezionata sul tema "Serveis TIC"
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Articoli di riviste sul tema "Serveis TIC"
1
Morillas, Jordi. "Les Tecnologies de la Informació i la Comunicació, i el Big Data als Serveis de Medicina Intensiva". Revista de Bioética y Derecho, n. 48 (18 febbraio 2020): 139–48. http://dx.doi.org/10.1344/rbd2020.48.28966.
Testo completoAbstract (sommario):
Les noves tecnologies han capacitat als serveis de medicina intensiva per poder obtenir i gestionar grans quantitats d’informació que venen de diverses fonts. Aquesta informació s’obté amb diferents dispositius que conformen les TIC (tecnologia de la informació i la comunicació). Les grans bases de dades o Big Data contribueixen a millorar el coneixement i per tant a elaborar millors estratègies de tractament. Amb aquestes possibilitats apareixen un seguit de reptes que ens haurem de plantejar com poden ser: la manera d’obtenir les dades, com canvia la relació del personal sanitari amb el pacient, quin nivell de fiabilitat tenen les dades, com es protegeixen, qui n’és el propietari i com es comparteixen, etc.
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Moncada Pérez, Mireia, e Albert Casals Ibáñez. "La música a l'escola: aproximació a l'educació musical actual a l'àrea metropolitana". Universitas Tarraconensis. Revista de Ciències de l'Educació 1, n. 3 (16 febbraio 2021): 7. http://dx.doi.org/10.17345/ute.2020.3.2887.
Testo completoAbstract (sommario):
Els plantejaments musicals a les escoles de Catalunya són diversos, més encara en una època de gran heterogeneïtat de models i projectes escolars. En aquest context, el present article té com a objectiu mostrar una perspectiva general de les realitats musicals escolars als Serveis Territorials del Vallès Occidental i del Consorci d’Educació de Barcelona. S’ha dut a terme un qüestionari que ha permès obtenir dades provinents de 135 escoles. El qüestionari comptava amb preguntes referents a la metodologia i estratègies didàctiques, a la formació, perfil i forma de treball de l’especialista i a l’ús de recursos TIC a l’aula. Els resultats mostren que els i les especialistes treballen a partir dels diversos contextos musicals d’aprenentatge, tot i que situen el bloc de cançó i veu com a eix, seguit del context d’audició. Així mateix, es constata que l´ús de recursos TIC és un àmbit poc explorat, en part a conseqüència de la manca de recursos i formació docent. Finalment, es discuteix sobre possibles tendències que situarien l’edat i el gènere del professorat com a factor que condiciona determinats plantejaments musicals a l’escola.
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Li, Guoping, Haojun Zhou, Hao Yang, Mingchu Huang, Yingbiao Peng e Fenghua Luo. "The Preparation Process, Microstructure and Properties of Cellular TiC-High Mn Steel-Bonded Carbide". Materials 13, n. 3 (7 febbraio 2020): 757. http://dx.doi.org/10.3390/ma13030757.
Testo completoAbstract (sommario):
TiC-high Mn steel-bonded carbide with a cellular structure was designed and fabricated by powder metallurgy techniques using coarse and fine TiC particles as the hard phase. This preparation process of the alloy was designed carefully and optimized. The microstructure of the alloy was observed using a scanning electron microscope. The results show that there are two types of microstructures observed in this TiC steel-bonded carbide: the coarse-grained TiC structure and fine-grained TiC structure. The transverse rupture strength and impact toughness of the alloy reach maximum values 2231 MPa and 12.87 J/cm2, respectively, when the starting weight ratio of MP-A (containing coarse TiC particles) to MP-B (containing fine TiC particles) is 60:40. Hence, this study serves as a feasible and economical example to prepare a high-strength and high-toughness TiC-high Mn steel-bonded carbide with little production cost increase.
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Bertogna, M., N. Fisher e S. Baruah. "Resource-Sharing Servers for Open Environments". IEEE Transactions on Industrial Informatics 5, n. 3 (agosto 2009): 202–19. http://dx.doi.org/10.1109/tii.2009.2026051.
Testo completo
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He, Xinfu, Jun Zhou, Liuyan Jin, Xueying Long, Hongju Wu, Li Xu, Ying Gong e Wenying Zhou. "Improved Dielectric Properties of Thermoplastic Polyurethane Elastomer Filled with Core–Shell Structured PDA@TiC Particles". Materials 13, n. 15 (27 luglio 2020): 3341. http://dx.doi.org/10.3390/ma13153341.
Testo completoAbstract (sommario):
Insulating interlayer between nanoparticles and polymer matrix is crucial for suppressing the dielectric loss of polymer composites. In this study, titanium carbide (TiC) particles were surface modified by polydopamine (PDA), and the obtained PDA@TiC powders were used to reinforce thermoplastic polyurethane (TPU). The results indicate that the PDA@TiC were homogenously dispersed in the matrix compared with the pristine TiC, and that the PDA@TiC/TPU composites show improved dielectric and mechanical properties, i.e., much lower dissipation factors and obviously enhanced dielectric breakdown strength, as well as higher tensile strength and elongation at break as compared to the raw TiC/TPU. The nanoscale PDA interlayer contributes to the dielectric and mechanical enhancements because it not only serves as an insulating shell that prevents TiC particles from direct contacting and suppresses the loss and leakage current to very low levels, but also enhances the interfacial interactions thereby leading to improved mechanical strength and toughness. The prepared flexible PDA@TiC/TPU with high permittivity but low loss will find potential applications in electronic and electrical applications.
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Villar-Hernández, Paz. "Porque diez años no son nada: de @tic revista d’innovació educativa a Research in Education and Learning Innovation Archives ". Research in Education and Learning Innovation Archives, n. 22 (16 luglio 2019): 1. http://dx.doi.org/10.7203/realia.22.15379.
Testo completoAbstract (sommario):
Research in Education and Innovation Innovation Archives (REALIA) is the new name of the journal that from 2008 to 2018 published the Servei de Formació i Innovació Educativa of the Universitat de València. As others have done before, in 2019 @tic revista d'innovació educativa changed its name. In this text we review the ten years of @tic revista d'innovació educativa, we explain the reasons for this change and introduce new features and some future prospects.
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Rosberg, Z., e D. Towsley. "Customer routing to parallel servers with different rates". IEEE Transactions on Automatic Control 30, n. 11 (novembre 1985): 1140–43. http://dx.doi.org/10.1109/tac.1985.1103852.
Testo completo
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Wang, Mingxuan, Jiachen Zi, Jianhua Zhu, Shan Chen, Pu Wang, Liyan Song e Rongmin Yu. "Artemisinic Acid Serves as a Novel ORCA3 Inducer to Enhance Biosynthesis of Terpenoid Indole Alkaloids in Catharanthus roseus Cambial Meristematic Cells". Natural Product Communications 11, n. 6 (giugno 2016): 1934578X1601100. http://dx.doi.org/10.1177/1934578x1601100604.
Testo completoAbstract (sommario):
To investigate the effect of artemisinic acid (AA) on improving the production of terpenoid indole alkaloids (TIAs) of Catharanthus roseus cambial meristematic cells (CMCs), feeding AA to C. roseus CMCs caused 2.35-fold and 2.51-fold increases in the production of vindoline and catharanthine, respectively, compared with those of the untreated CMCs. qRT-PCR experiments showed that AA resulted in a 1.36-8.52 fold increase in the transcript levels of several related genes, including octadecanoid-derivative responsive Catharanthus AP2-domain protein 3 (ORCA3), tryptophan decarboxylase (TDC), strictosidine synthase (STR) and desacetoxyvindoline 4-hydroxylase (D4H). However, no effect was observed on the concentration of either jasmonic acid (JA), or the octadecanoid-pathway inhibitors block TIA accumulation caused by AA. The results indicated that AA might serve as a novel ORCA3 inducer to manipulate biosynthesis of TIAs in C. roseus CMCs via an unknown mechanism.
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Li, Keqin. "Optimal Speed Setting for Cloud Servers With Mixed Applications". IEEE Transactions on Industrial Informatics 15, n. 4 (aprile 2019): 1947–55. http://dx.doi.org/10.1109/tii.2018.2856909.
Testo completo
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Saghafian, Soroush, e Michael H. Veatch. "A c-mu Rule for Two-Tiered Parallel Servers". IEEE Transactions on Automatic Control 61, n. 4 (aprile 2016): 1046–50. http://dx.doi.org/10.1109/tac.2015.2454771.
Testo completoTesi sul tema "Serveis TIC"
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Marco, Simó Josep Maria. "L’Acord marc d’homologació de serveis TIC de la Generalitat de Catalunya: un cas d’aprovisionament de SSTI a l’administració pública". Doctoral thesis, Universitat Oberta de Catalunya, 2013. http://hdl.handle.net/10803/110693.
Testo completoAbstract (sommario):
L'externalització de Sistemes, Serveis i Tecnologies de la Informació (SSTI) és una pràctica habitual al sector privat que ja ha estat àmpliament estudiada a la literatura científica. En canvi, al context del sector públic, aquests processos d'externalització no han estat encara prou ben recollits, malgrat la importància del sector quant a volum econòmic que generen les seves necessitats de SSTI.
El treball que presentem fa una aportació a aquesta encara molt reduïda recerca al voltant de l'externalització de SSTI al sector públic, a partir de l'estudi d'un cas innovador: el de l'Acord marc d'homologació de serveis TIC de la Generalitat de Catalunya (AMH). L'AMH és un mecanisme per a la prequalificació o homologació dels proveïdors que hauran de fer l'aprovisionament d'una part central i diversa dels SSTI dels diferents departaments i ens de la Generalitat. Es va gestar durant el 2003 i la vigència de la seva tercera edició arriba fins a l'inici de 2013.La externalización de Sistemas, Servicios y Tecnologías de la Información (SSTI) es una práctica habitual en el sector privado que ya ha sido ampliamente estudiada en la literatura científica. En cambio, el contexto del sector público, estos procesos de externalización no han sido todavía suficientemente bien recogidos, a pesar de la importancia del sector en cuanto a volumen económico que generan sus necesidades de SSTI. El trabajo que presentamos hace una aportación a esta todavía muy reducida investigación en torno a la externalización de SSTI al sector público, a partir del estudio de un caso innovador: el del Acuerdo marco de homologación de servicios TIC de la Generalidad de Cataluña (AMH). El AMH es un mecanismo para la precalificación o homologación de los proveedores que deberán hacer el aprovisionamiento de una parte central y diversa de los SSTI los diferentes departamentos y entes de la Generalidad. Se gestó durante 2003 y la vigencia de su tercera edición llega hasta el inicio de 2013.
Outsourcing of Information Systems, Services and Technology (ISST) is a common practice in the private sector that has been widely studied in the literature. However, in the context of the public sector, ISST outsourcing has not yet received sufficient attention, despite the importance of the sector in terms of economic volume generated and ISST needs. The present thesis makes a contribution to the still scarce research about ISST outsourcing in the public sector, by showing the research results arisen during the in-depth study of an innovative case: the so-called Pre-qualification Agreement for ICT services (AMH) led by the Government of Catalunya. The AMH is a mechanism for pre-qualification or certification of provider companies responsible for provisioning a central part of the ISST needed by the various departments and agencies of the Catalan Government. It was firstly conceived in 2003 and, after three different versions, the validity of its third edition reaches the beginning of 2013.
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Osorno, Hinojosa Roberto. "Gestión de servicios como medio de asimilación de las TIC en las organizaciones: un caso de estudio". Doctoral thesis, Universitat Ramon Llull, 2013. http://hdl.handle.net/10803/119773.
Testo completoAbstract (sommario):
Les Tecnologies de la Informació i les Comunicacions (TIC) s'han convertit en un element central per a la productivitat, competitivitat i permanència de les organitzacions. El seu ús i assimilació han estat objecte d'estudi des de diferents disciplines. L'aprenentatge ha estat identificat com un mitjà per utilitzar millor les TIC a les organitzacions, i el servei com un intercanvi intensiu de coneixement. Això ens convida a plantejar el nostre objectiu d'investigació en termes d’entendre la manera en què una organització aprèn al voltant de ús de les TIC amb la influència de la Lògica Dominant del Servei (LDS) en els seus integrants.
Emmarcats en el paradigma qualitatiu d'investigació, apliquem la metodologia del cas d'estudi a una empresa mitjana mexicana amb múltiples unitats d'anàlisi, conformades aquestes tant pel proveïdor de serveis informàtics com per les àrees usuàries. En aquesta empresa s'han aplicat els principis de la LDS. A més es presenta un procés d'assimilació de les TIC que té com a eix central l'aprenentatge organitzacional.
Els nostres resultats mostren que la interacció que es presenta durant el procés en què s’acorden serveis que involucren l’ús de les TIC duu els membres de l'organització a establir conjuntament la seva valoració i formes d'ús. Es presenta també un intercanvi de coneixement: pel que fa al client del servei i de la tecnologia que el configura. Aquest enfocament en el client permet a les parts tenir una referència externa per decidir l'ús i valoració, referència que va més enllà de les metes dels mateixos participants en la negociació i que pot reduir les barreres de l'aprenentatge, de manera que no es produeix una avaluació de resultats.
A partir de les consideracions anteriors, establim que les característiques intrínseques de la LDS poden influir en el procés d'aprenentatge que una organització duu a terme al voltant de l'ús de les TIC, quan mitiga el raonament defensiu per deixar l'avaluació de resultats com un procés secundari. Això ens permet proposar un model d'aprenentatge organitzacional per al millor ús de les TIC i que pot beneficiar les organitzacions que requereixin processos que els permetin assimilar-les d’acord amb les seves pròpies estratègies i necessitats.Las Tecnologías de la Información y las Comunicaciones (TIC) se han convertido en un elemento central para la productividad, competitividad y permanencia de las organizaciones. Su uso y asimilación han sido objeto de estudio desde diferentes disciplinas. El aprendizaje ha sido identificado como un medio para usar de mejor manera las TIC en las organizaciones y el servicio como un intercambio intensivo de conocimiento. Lo anterior nos invita a plantear nuestro objetivo de investigación en términos de entender la forma en la que una organización aprende en torno a uso de las TIC con la influencia de la Lógica Dominante del Servicio (LDS) en sus integrantes. Enmarcados en el paradigma cualitativo de investigación, aplicamos la metodología del caso de estudio a una empresa mediana mexicana con múltiples unidades de análisis, conformadas éstas tanto por el proveedor de servicios informáticos como por las áreas usuarias. En ésta empresa se han aplicado los principios de la LDS; además se presenta un proceso de asimilación de las TIC que tiene como eje central al aprendizaje organizacional. Nuestros resultados nos muestran que la interacción que se presenta durante el proceso acuerdo de servicios que involucre el uso de las TIC, lleva a los miembros de la organización a establecer conjuntamente su valoración y formas de uso. Se presenta también un intercambio de conocimiento: respecto del cliente del servicio y de la tecnología que lo compone. Este enfoque en el cliente permite a las partes contar con una referencia externa para decidir el uso y valoración, referencia que está más allá de las metas de los propios participantes en la negociación y que puede reducir las barreas del aprendizaje; esto pues no hay de por medio una evaluación de resultados. A partir de lo anterior, establecemos que las características intrínsecas de la LDS pueden influir en el proceso de aprendizaje que una organización lleva alrededor del uso de las TIC, cuando mitiga al razonamiento defensivo por dejar a la evaluación de resultados como un proceso secundario. Ello nos permite proponer un modelo de aprendizaje organizacional para el mejor uso de las TIC y que puede beneficiar a las organizaciones que requieran de procesos que les permitan asimilarlas acorde a sus propias estrategias y necesidades.
Information and Communication Technologies (ICT) have become a central factor to productivity, competitiveness and maintenance of organizations. Its use and assimilation have been studied from different disciplines. Learning has been identified as a way to make better use of ICT in organizations, and service as an intensive exchange of knowledge. This invites us to raise our research goal in terms of understanding how an organization learns about the use of ICT with the influence of Service Dominant Logic (SDL) on its members. Framed in the qualitative research paradigm, we apply case study research methodology to a medium-sized Mexican enterprise with multiple units of analysis, formed both by the IT service provider as user areas. In this company, people have applied the principles of SDL; they also show a process of ICT assimilation with organizational learning as central axis. Our results show that the interaction that occurs during services agreement process involving the use of ICT, leads members of the organization to jointly establish its valuation and modalities of use. It also presents knowledge exchange: about customer service and the underlying technology. This customer focus allows parties to have an external reference to determine the use and value; this reference is beyond the goals of the participants in the negotiation and can reduce learning barriers, because there is no evaluation of results. From the above, we establish that the intrinsic characteristics of SDL can influence the learning process that an organization carries around the use of ICT, mitigating defensive reasoning leaving result evaluation as a secondary process. This allows us to propose a model of organizational learning to the best use of ICT, which can benefit organizations that requires processes to assimilate them according to their own strategies and needs.
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Díaz, Wright Carlos Alberto. "Impacto de la apropiación de las TIC en la productividad de la empresa manufacturera de Cartagena (Colombia): Modelación y Creación de Mecanismos de Adaptación". Doctoral thesis, Universitat Oberta de Catalunya, 2012. http://hdl.handle.net/10803/126404.
Testo completoAbstract (sommario):
L'objectiu bàsic de la investigació és determinar l'impacte real, pel que fa a eficiència i productivitat, que ha generat la incorporació tecnològica en les empreses manufactureres de Cartagena de Indias al llarg d'aquests últims anys. La tesi parteix d'una extensa recerca bibliogràfica que recull l'evolució i analitza l'estat actual del procés d'incorporació tecnològica des d'un punt de vista global, passant per Llatinoamèrica fins a arribar a Cartagena d'Índies (Colòmbia). Un cop determinat aquest estat i per tal de complir l'objectiu, s'estructura una enquesta que va aconseguir ser aplicada a una mostra representativa de la indústria manufacturera de Cartagena de Idias. Els resultats obtinguts per l'enquesta van incloure dades tant quantitatives com qualitatives. El pas següent va consistir en la conceptualització i la posterior aplicació de mètodes d'anàlisi per a tots dos casos. La triangulació metodològica es va constituir en la pedra angular per abordar el procés d'anàlisi integral. La part qualitativa de l'anàlisi va ser complementada amb la incorporació de tècniques matemàtiques específiques com l'anàlisi de regressió lineal múltiple i el Data Envelopment Analisys. La conjunció d'aquestes tècniques va portar a conclusions similars que van donar suport a allò adequat del mètode plantejat. Addicionalment, va permetre establir les variables que d'una o altra manera més impacten sobre aquest increment d'eficiència / productivitat. Per finalitzar la tesi i prenent com a base els resultats de les anàlisis qualitatives i quantitatives s'estableixen una sèrie de recomanacions i mecanismes d'apropiació contextualitzats per a Cartagena de Indias que en bona mesura permetran que en el futur immediat l'apropiació tecnològica sigui més reeixida en el que es refereix a increment de la productivitat i l'eficiència industrial.El objetivo básico de la investigación es determinar el real impacto, en lo que a eficiencia y a productividad se refiere, que la incorporación tecnológica ha generado en las empresas manufactureras de Cartagena de Indias a lo largo de estos últimos años. La tesis parte de una extensa investigación bibliográfica que recoge la evolución y analiza el estado actual del proceso de incorporación tecnológica desde un punto de vista global, pasando por Latinoamérica hasta llegar a Cartagena de Indias (Colombia). Una vez determinado ese estado y en aras de cumplir el objetivo, se estructura una encuesta que logró ser aplicada en una muestra representativa de la industria manufacturera de Cartagena de Indias. Los resultados obtenidos por la encuesta incluyeron datos tanto cuantitativos como cualitativos. El paso siguiente consistió en la conceptualización y la posterior aplicación de métodos de análisis para ambos casos. La triangulación metodológica se constituyó en la piedra angular para abordar el proceso de análisis integral. La parte cualitativa del análisis fue complementada con la incorporación de técnicas matemáticas específicas como el análisis de regresión lineal múltiple y el Data Envelopment Analisys. La conjunción de estas técnicas llevó a conclusiones similares que respaldaron lo adecuado del método planteado. Adicionalmente permitió establecer las variables que de una u otra forma más impactan sobre ese incremento de eficiencia/productividad. Para finalizar la tesis y tomando como base los resultados de los análisis cualitativos y cuantitativos se establecen una serie de recomendaciones y mecanismos de apropiación contextualizados para Cartagena de Indias que en buena medida permitirán que en el futuro inmediato la apropiación tecnológica sea más exitosa en lo que se refiere a incremento de la productividad y la eficiencia industrial.
The main research objective is to determine the impact that technology incorporation has created in the efficiency and productivity of manufacturing companies in Cartagena de Indias (Colombia) in recent years. The investigation begins with an extensive bibliographic research that reflects the trend and analyzes the current state of the art of technology incorporation from a global point of view, passing through Latin America and finishing in Cartagena de Indias. Having determined that “state of the art" and in thinking to meet the objective, a survey is structured and applied in a representative sample of the manufacturing industry of The City. The results of the survey included both quantitative and qualitative data. The next step consisted in the conceptualization and the subsequent implementation of analytical methods for both cases. Methodological triangulation became the cornerstone for managing the process of comprehensive analysis. The qualitative part of the analysis was complemented by the incorporation of specific mathematical techniques such as Multiple Linear Regression Analysis and Data Envelopment Analysis. The combination of these techniques led to similar conclusions that supported the adequacy of the proposed method. Additionally, it helped to establish the variables that in one or another way produce more impact on this increase in efficiency / productivity. To complete the investigation and on the basis of the results of the qualitative and quantitative analysis the conclusions set out a series of recommendations and mechanisms of technological appropriation contextualized for Cartagena de Indias. These allow for the immediate future that technological appropriation be more successful in terms of increased productivity and industrial efficiency.
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Panova, Tayana. "How ICTs can influence psychological wellbeing: an analysis of uses and addiction potential". Doctoral thesis, Universitat Ramon Llull, 2020. http://hdl.handle.net/10803/668745.
Testo completoAbstract (sommario):
Les Tecnologies de la Informació i les Comunicacions (TIC) com Internet i els telèfons
intel·ligents van entrar a la nostra vida fa només uns 20 anys, però, en aquest curt període de temps, han reconvertit profundament el funcionament de la societat i dels individus de tot el món. Això ha portat a preguntes i investigacions sobre com l’ús freqüent de la tecnologia influeix en la nostra salut social i psicològica. Aquest treball de tesi vol aportar informació sobre aquest tema a través de quatre estudis sobre tres de les TIC més populars - telèfons intel·ligents, xarxes socials en línia i Internet- i mitjançant la lent de tres preguntes d’investigació - 1) La addicció és el marc adequat per utilitzar a l’hora de investigar. ús problemàtic de les TIC?; 2) Quins són els efectes
de la cultura en un ús problemàtic de les TIC?; i 3. Quins usos concrets s’associen a problemes relacionats amb les TIC? Les conclusions a què arribem són les següents. En aquest moment, l’addicció no és un terme adequat per utilitzar-se en la investigació sobre problemes relacionats amb les TIC. En segon lloc, certs usos específics s’associen a conseqüències problemàtiques de l’ús de les TIC, mentre que altres usos no ho són, per tant no és prudent patologitzar totes les TIC. En tercer lloc, els usos associats a un ús problemàtic són diferents segons la cultura de l’usuari. En una cultura, un ús particular de les TIC pot ser problemàtic, mentre que en un altre país pot ser adaptatiu. En quart lloc, alguns aspectes de l’ús de les TIC semblen ser més o menys constants en cultures com ara els usos més populars dels telèfons intel·ligents i els factors subjacents de l’ús problemàtic de les TIC.Las Tecnologías de Información y Comunicación (TIC) como Internet y los teléfonos inteligentes entraron en nuestras vidas hace solo 20 años, pero en este corto periodo de tiempo han rediseñado profundamente la forma en que funcionan la sociedad y las personas en todo el mundo. Esto ha llevado a preguntas y investigaciones sobre cómo el uso frecuente de las tecnologías influye en nuestra salud social y psicológica. El objetivo de este trabajo de tesis es aportar información sobre este tema a través de cuatro estudios sobre tres de las TIC más populares: teléfonos inteligentes, redes sociales en línea y Internet y a través de la lente de tres preguntas de investigación: 1) ¿Es la adicción el marco correcto para usar en las investigaciones del uso problemático de las TIC?; 2) ¿Cuáles son los efectos de la cultura en el uso problemático de las TIC?; y 3) ¿Qué usos específicos están asociados con los problemas relacionados con las TIC? Las conclusiones a las que llegamos son las siguientes. En este momento, la adicción no es un término adecuado para usar en la investigación sobre problemas relacionados con las TIC. En segundo lugar, ciertos usos específicos están asociados con consecuencias problemáticas del uso de las TIC, mientras que otros usos no lo son, por lo tanto, no es prudente patologizar la totalidad de las TIC. En tercer lugar, los usos asociados con el uso problemático de las TIC son diferentes según la cultura del usuario. En una cultura, un uso particular de las TIC puede ser problemático, mientras que en otro país puede ser adaptativo. En cuarto lugar, ciertos aspectos del uso de las TIC parecen ser más o menos constantes en todas las culturas, como los usos más populares de los smartphones y los factores subyacentes del uso problemático de las TIC.
Information and Communication Technologies (ICTs) such as the Internet and smartphones entered our lives only about 20 years ago, yet in that short time they have deeply rewired the way society and individuals all around the world function. This has led to questions and investigations regarding how the frequent use of technology influences our societal and psychological health. This thesis work aims to contribute some insight on this subject through four research papers about three of the most popular ICTs - smartphones, social media and the Internet and through the lens of three research questions - 1) Is addiction the correct framework to use when researching problematic ICT use?; 2) What are the effects of culture on problematic ICT use?; and 3) What specific uses are associated with ICT-related problems? The conclusions we arrive at are the following. At this time, addiction is not a suitable term to use in the research on ICT related problems. Secondly, certain specific uses are associated with problematic consequences of ICT use whereas other uses are not, therefore it is unwise to pathologize the entire ICT. Thirdly, the uses that are associated with problematic ICT use are different depending on the culture of the user. In one culture a particular ICT use can be problematic, whereas in another country it may be adaptive. Fourthly, certain aspects of ICT use appear to be more or less constant across cultures such as the most popular smartphone uses and the underlying factors of problematic ICT use.
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Chagas, B?rbara da Rocha Figueiredo. "Projeto ?tico-pol?tico do servi?o social e organiza??o pol?tica da categoria: dilemas e tens?es contempor?neas". Universidade Federal do Rio Grande do Norte, 2015. http://repositorio.ufrn.br/handle/123456789/20311.
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O presente estudo prop?s apreender as pol?micas que perpassam a organiza??o pol?tica da categoria na contemporaneidade. A pesquisa estabeleceu como recorte temporal a d?cada de 2003 a 2013, mais precisamente a conjuntura que se abre com a elei??o de Lula ? Presid?ncia da Rep?blica e suas repercuss?es para a esquerda brasileira, os movimentos sociais e para a categoria. Atrav?s de pesquisa documental, estudamos as vertentes profissionais que se organizam politicamente em campos distintos, notadamente o Conselho Federal de Servi?o Social (CFESS) e a Federa??o Nacional de Assistentes Sociais (FENAS). Buscando apreender sua rela??o com o Projeto ?tico-Pol?tico da profiss?o, foram analisados documentos p?blicos que expressam as posi??es pol?ticas das referidas entidades, situando as pol?micas e diferen?as pol?ticas existentes entre elas e entendendo a organiza??o pol?tica como media??o para a constru??o de projetos profissionais e societ?rios diversos.
The present study was to apprehend the controversies that underlie the political organization of the category nowadays. The research established time frame as the decade from 2003 to 2013, more precisely the situation that opens with Lula's election to the Presidency and its repercussions for the Brazilian left, social movements and for the category. Through documentary research, we studied the professional aspects that are organized politically in different fields , notably the Federal Council of Social Service (CFESS) and the National Federation of Social Workers (FENAS). Seeking to understand their relationship with the Ethical - Political Project of the profession, public documents were analyzed expressing the political positions of these entities, placing the controversies and political differences between them and understanding the political organization as a means to building professionals and corporate projects many.
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del, Río González Eva. "Eficacia de un Tratamiento Cognitivo Comportamental (TCC) con apoyo de Tecnologías de la Información y la Comunicación (TICs) para el dolor lumbar crónico. Ensayo clínico aleatorizado". Doctoral thesis, Universitat Jaume I, 2017. http://hdl.handle.net/10803/405422.
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El Dolor Lumbar Crónico (DLC) constituye un grave problema de salud dada la dificultad para definir un diagnóstico y tratamiento adecuados. Las intervenciones psicológicas, como las Terapias Cognitivo Conductuales (TCC), han demostrado ser eficaces en estos pacientes y una línea de investigación a este respecto es el uso de tecnologías de la información y la comunicación (TICs) como apoyo a los programas de terapia presencial para prolongar las mejoras conseguidas en los seguimientos. Con el fin de analizar esta hipótesis hemos creado una web de tratamiento, llamada POET, que permite repasar las estrategias aprendidas en terapia presencial, desde sus casas, para continuar practicando las estrategias terapéuticas tras el tratamiento. En este estudio participaron 193 personas divididas en tres grupos: TCC, TCC+POET y tratamiento habitual y se realizó en un hospital de salud pública. Los resultados mostraron mejoras en las variables principales (dolor y discapacidad) así como una elevada satisfacción con la intervención TCC y con POET.Chronic Low Back Pain (CLBP) is a serious health problem done the difficulty to define a diagnostic an appropiate treatment. Psychological interventions, such as Cognitive Behavioral Therapies (CBT), have been shown to be effective in these patients and a line of research in this regard is the use of information and communication technologies (ICTs) to support face-to-face therapy programs to prolong the improvements achieved at follow-ups. In order to analyze this hypothesis we have created a treatment website, called POET, that allows patients to review the strategies learned in face-to-face therapy, from their homes, to continue practicing the therapeutic strategies after treatment. In this study, 193 people were divided into three groups: CBT, CBT + POET and usual treatment and was performed in a public health hospital. The results showed improvements in the main outcomes (pain and disability) as well as a high satisfaction with CBT intervention and POET.
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Santos, Nilmar Francisco da Silva. "A ?tica na produ??o intelectual do servi?o social e o PEP: tend?ncias te?ricopol?ticas em debate". Universidade Federal do Rio Grande do Norte, 2014. http://repositorio.ufrn.br/handle/123456789/19719.
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acerca da ?tica e sua import?ncia para o Servi?o Social brasileiro t?m estimulado os assistentes sociais a aprofundar seus estudos e aproxim?-la do cotidiano profissional em todo Brasil. As iniciativas de fomentar a discuss?o da tem?tica s?o adensadas pelas publica??es nos eventos (semin?rios, congressos, encontro nacionais do conjunto CFESS/CRESS1 , etc.), bem como na revis?o do pr?prio c?digo de ?tica e o processo de constru??o perene do Projeto ?tico Pol?tico ? PEP, da referida categoria. Nossa pesquisa se prop?s a identificar e analisar as principais tend?ncias ?tico-te?rico-pol?ticas presentes no debate da ?tica na produ??o intelectual do Servi?o Social brasileiro no per?odo de 2010 a 2012. Objetivamos neste trabalho, al?m de caracterizar e analisar o perfil dos trabalhos (tem?ticas, pol?micas, concep??o de ?tica, contradi??es e limites); identificar e analisar a dire??o social e sua rela??o com os fundamentos te?rico-?tico-pol?ticos do Projeto ?tico-pol?tico do Servi?o Social; objetivando tamb?m, identificar e analisar como s?o incorporados, no debate da ?tica, os fundamentos ontol?gicos. Com essa dimens?o, procedemos abordagem qualitativa numa an?lise documental onde elegemos como l?cus da pesquisa os anais das ?ltimas edi??es do CBAS e ENPESS 2010 e 2012, respectivamente. As an?lises s?o reveladoras do processo de apreens?o, na categoria no ?mbito da produ??o intelectual, da concep??o de ?tica defendida no servi?o social ao longo das ?ltimas tr?s d?cadas e que se orienta pela ontologia do ser social de Marx e Luk?cs. Nesse universo circulam as an?lises e elabora??es em torno do PEP, rela??o teoria e pr?tica, valores e dimens?o ?tico-moral no cotidiano profissional, ?tica e direitos sociais e humanos, dentre outras determinantes que demandam ao Servi?o Social Brasileiro
What led us to develop this research was the fact that the study of ethics and its importance for the Brazilian Social Service have encouraged social workers to further their studies and closer to the daily work throughout Brazil . Initiatives to foster discussion of the theme are thickened by publications in events ( seminars , conferences , national meeting of CFESS / CRESS set , etc. ) , as well as the review 's own code of ethics and the process of construction of perennial Ethical Political Project - PEP , the said category . Our research aimed to identify and analyze key trends ethical- theoretical-political in on the discussion of ethics in the intellectual production of the Brazilian Social Service for the period 2010 to 2012 This paper sets , and characterize and analyze the profile of the work ( thematic , polemics , design ethics , contradictions and limits ) ; identify and analyze the social direction and its relation to the theoretical and ethical- political foundations of ethical-political project of Social Work ; also aiming to identify and analyze how they are incorporated in the discussion of ethics , the ontological foundations . With this dimension , we perform a qualitative approach to document analysis in which we choose as the locus search the annals of the latest editions of the CBAS and ENPESS 2010 and 2012 , respectively . The analyzes are revealing the seizure process , within the category of intellectual production , from conception of ethics advocated in social work over the past three decades and that is guided by the ontology of the social Marx and Luk?cs . In this universe the analyzes and elaborations around the PEP , relationship between theory and practice, values and ethical- moral dimension to professional practice , ethics, and social and human rights , among other determinants that demand the Brazilian Social Service circulate
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Raupp, Heraida Cyreli. "A constru??o de um sistema de infoma??es democr?tico para a pol?tica de assist?ncia social". Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2012. http://tede2.pucrs.br/tede2/handle/tede/516.
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Previous issue date: 2012-01-26This dissertation focuses on the management of information (PROCEMPA) and Social Work. The research that underlies guided by the critical-dialectical method and was held at the Funda??o de Assist?ncia Social e Cidadania (FASC - Social Welfare and Citizenship Foundation) in Porto Alegre. For this work we made thirteen interviews with managers and technicians of FASC and PROCEMPA; and more eleven technical‟s foundation that we send online questionnaires. The proposal was submitted of the Investigative Commission of the Social Work Faculty and Ethics Committee of Research of the Pontifical Catholic University of Rio Grande do Sul. The research problem was formulated: What was the contribution that the Management Information gave to the consolidating Social and Public policy the city of Porto Alegre in the period 2007-2008? This study tried identifying the process and the possible contributions of the information and structure of the Social Welfare management policy and more providing insight, for improving the management process. Throughout the production this study sought to contribute thoughts on management information and Social Welfare Policy strategy to qualify for from the impacts of changing world of work. The main results of the study underscore the importance of information for the entire management process, especially for the performance planning and decision making. And is very important the updating systematic of databases and information flows, which requires adequate infrastructure. Also emphasizes the needs for that information will be is effectively transformed into knowledge, and considers the Management of the Information Politics a strategy key to public policies, especially in the Social Policy, the subject of this study. The main conclusion stands out recognition of the use of the information necessary to guarantee Rights and the importance of management information for social assistance policy. However, no management or any form of information, but guided processes in collective access, in other words, an information management characterized as a democratic process.
Na presente disserta??o aborda-se a Gest?o da Informa??o e a Assist?ncia Social. A pesquisa que a embasou orienta-se pelo m?todo dial?tico-cr?tico e foi realizada na Funda??o de Assist?ncia Social e Cidadania, em Porto Alegre. Para tanto se realizaram 13 entrevistas com gestores e t?cnicos da FASC e da PROCEMPA e enviaram-se question?rios on line a 11 t?cnicos da mesma Funda??o. A proposta investigativa foi submetida ? Comiss?o Cient?fica da Faculdade de Servi?o Social e ao Comit? de ?tica em Pesquisa da Pontif?cia Universidade Cat?lica do Rio Grande do Sul. Pretendeu-se com o estudo identificar o processo de estrutura??o e poss?veis contribui??es da pol?tica de gest?o da informa??o na Assist?ncia Social, com vistas a contribuir com subs?dios para o aprimoramento do processo de gest?o. Ao longo da produ??o buscou-se aportar reflex?es sobre a Gest?o da Informa??o como estrat?gia para qualifica??o da Pol?tica de Assist?ncia Social, a partir dos impactos das transforma??es do mundo do trabalho. Como principais resultados o estudo ressaltou a import?ncia da informa??o para todo o processo de gest?o, especialmente para a realiza??o do planejamento e tomada de decis?o. Destacou-se, ainda, a necessidade sistem?tica de atualiza??o de bancos de dados e fluxos de informa??o, o que requer infraestrutura adequada. Ressaltou-se, tamb?m, a necessidade de que a informa??o efetivamente seja transformada em conhecimento. Considerou-se a Pol?tica de Gest?o da Informa??o como estrat?gia fundamental ?s pol?ticas p?blicas, especialmente ? Pol?tica de Assist?ncia Social, tema do estudo. Faz-se necess?rio a utiliza??o da gest?o da informa??o para a garantia de direitos e para a Pol?tica de Assist?ncia Social, mas n?o qualquer forma de gest?o ou informa??o, mas processos pautados no acesso coletivo, ou seja, uma gest?o da informa??o caracterizada como democr?tica.
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Lima, Sobrinho Jodeylson Islony de. "?Construindo hoje, o amanh? desejado?: os Ethe pol?tico-profissionais dos/as assistentes sociais ? entre rupturas, continuidades e tens?es contempor?neas". PROGRAMA DE P?S-GRADUA??O EM SERVI?O SOCIAL, 2016. https://repositorio.ufrn.br/jspui/handle/123456789/23844.
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Ao apreender a ?tica profissional como uma particularidade da vida ?tica, compreendemos que ela se conforma num todo articulado em suas particularidades, seja no ?mbito da normatiza??o, da filosofia e/ou do ethos profissional. Dessa maneira, objetivamos com esse trabalho, conhecer e analisar os ethe pol?tico-profissionais dos/as assistentes sociais, concebidos como o modo de ser concreto, permeado pelos valores e princ?pios (re)produzidos no exerc?cio profissional. Os esfor?os te?rico-pol?ticos aqui empreendidos ganham forma e conte?do num contexto marcado pelo (re)desenhamento das condi??es objetivas/subjetivas da sociedade contempor?nea, em um sentido de retrocesso ?tico-pol?tico, o qual demarca, tamb?m, uma (re)configura??o na cultura profissional do Servi?o Social, tornando-se relevante o aprofundamento te?rico-pr?tico sobre tal realidade e seus rebatimentos nos ethe pol?tico-profissionais. Delineamos o processo de pesquisa alicer?ado na perspectiva cr?tica-dial?tica, a partir de uma abordagem qualitativa, compreendendo que nosso objeto de estudo ? determinado socialmente e historicamente, e, que, no atual contexto de neoliberaliza??o, tem sofrido rebatimentos diretos do reordenamento nos diversos campos da vida social. No processo de constru??o da pesquisa, utilizamos alguns aportes te?rico-metodol?gicos, dentre eles: pesquisa bibliogr?fica e documental, observa??o e entrevistas semi-estruturadas. Como locus de pesquisa, optamos por duas Institui??es de Ensino Superior (IES) da cidade de Teresina/PI que possuem o curso de Servi?o Social, e, assim, delineamos a quantidade de 10 (dez) sujeitas que foram entrevistadas, distribu?das da seguinte forma: 3 (tr?s) discentes de cada IES, que estavam cursando o 8? (oitavo) per?odo e matriculadas no Est?gio Obrigat?rio (totalizando 6 discentes) e 2 (dois) supervisoras de est?gio de cada Institui??o ? uma supervisora acad?mica e outra de campo ? totalizando 4 (quatro) supervisoras de est?gio. ? vista disso, apresentamos a discuss?o ontol?gica da ?tica, reportando-nos ao trabalho como fundante do ser social e dos valores que se formam a partir desse pressuposto. Problematizamos a rela??o entre o pensamento conservador e o pensamento marxista e seus rebatimentos no ?mbito do Servi?o Social, apreendendo como a tr?ade do est?gio supervisionado lida com o Projeto ?tico-Pol?tico Profissional (PEPP) nos seus espa?os de interven??es socioprofissionais. A an?lise dos dados indica uma ades?o formal ao PEPP por parte de algumas entrevistadas e, fundamentalmente, que h? uma conflito antag?nico de ethos pol?tico-profissionais sendo constitu?dos nos meandros da forma??o e do exerc?cio profissional que confluem para duas grandes tend?ncias de ethos: um amparado na dire??o cr?tica da profiss?o, denominado aqui de ethos humano-gen?rico e, outro, alicer?ado na perspectiva conservadora, que chamaremos de idealista-formal, o qual tem-se (re)atualizado, em seu conjunto, por direcionamentos distintos que reeditam antigos ran?os profissionais: o pragmatismo, o messianismo e o fatalismo.
Learning the professional ethics as a peculiarity of ethical life, we understand that it conforms in a whole articulated in its peculiarities, is under the regulation, philosophy and/or professional ethos. In this way, we objectify with this work, learn and analyze the political and professional ethos of social workers, conceived as the mode of being concrete, permeated by the values and principles (re) produced in professional practice. The theoretical and political efforts here undertaken gain form and content in a context marked by the reordering the objective / subjective conditions of contemporary society, a sense of ethical and political backlash, which demarcates also a (re) configuration of the professional Social Work culture, becoming relevant the theoretical and practical deepening of this reality and its repercussions in political and professional ethos. Outlined the process of grounded research on critical-dialectical perspective, from a qualitative approach, realizing that our object of study is socially and historically determined, and which, in the current context of neoliberalization has suffered direct the aftermaths reordering in the various fields of social life. In the construction process In search of the research we use some theoretical and methodological contributions, among them: bibliographical and documentary research, observation and semi-structured interviews. As the l?cus of the research, we opted for two Higher Education Institutions (HEIs) in the city of Teresina / PI that have the Social Work course, and thus outline the amount of ten (10) subject who were interviewed, distributed as follows: 3 (three) students of each HEI, who were attending the 8th (eighth) period and enrolled in the Required stage (totalizing 6 students) and two (2) stage supervisors of each institution - an academic supervisor and other of academic field - totalizing four (4) internship supervisors. In view of this, we refer ourselves to problematize the relationship between conservative and Marxist thought, learning how to stage triad supervised deals with the Ethical-Political Professional Project in their areas of socio-economic interventions. Thus, outlined the process of grounded research on critical-dialectical perspective, from a qualitative approach, realizing that our object of study is determined socially and historically, and which, in the current context of neoliberalization has suffered repercussions direct the reordering in the various fields of social life, which are: economical, ideological, cultural, legal, political, science, morality, ethics, among many others. In search of the building process we use some theoretical and methodological contributions, including: bibliographic and documentary research, field research, observation, interviews and their analysis of content. As a research l?cus, we opted for two Higher Education Institutions (HEIs) in the city of Teresina / PI that have the Social Work course, and thus outline the amount of ten (10) subject who were interviewed, distributed in: 3 (three) students of each HEI, who were attending the 8th (eighth) period and enrolled in the Required Stage and two (2), stage of supervisors of each institution - an academic supervisor and other academic field - totalizing four (4) supervisors of stage, which enable us to raise the concrete to the abstract, bringing some directions in our synthesis, which is the concrete-thinking of this movement, including that there is a political and professional de ethos antagonistic conflict being made in the intricacies of training and professional practice that converge to two major trends of ethos: one supported in the critical direction of the profession, called ethos human-generic, and the other, based on conservative perspective, we'll call idealistic-formal, which it has been (re) updated in its together, for different and varied directions, only, all rooted in the latter ethos.
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Teles, Heloisa. "O projeto ?tico do servi?o social e a pol?tica p?blica de assist?ncia social : uma interlocu??o ? partir da categoria trabalho". Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2013. http://tede2.pucrs.br/tede2/handle/tede/536.
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Previous issue date: 2013-01-22This study addresses the issue of Labour, Social Service and Public Policy Social Assistance (PPAS). The overall goal was to understand the theoretical debate and operational moving on the work category and work processes that fall assistants in both ontological conception as in the intervention by the PPAS aiming to qualify debates and interventions developed in the area. It is a research-driven quantitative and qualitative method to answer critical-dialectical conception which is operationalized and how the work of social workers in PPAS in Caxias do Sul bibliographic search was performed, documentary and empirical. In the treatment of the data was carried out based on content analysis Trivi?os (1989). The main results the study found that there are many challenges present in the daily operation of social assistance policy, because there is the need to overcome the bias present in both the conservative and in Social Work intervention in politics. Additionally, it points to the discrepancy present theoretical formulations on the issue than meets the interventions undertaken by social workers placed in foster care. Also noteworthy is that the researchpointed out the relevance of the debate on the political dialogue of the ethical project of Social Work with social assistance policy as a strategy for skilled labor operationalized. Based on these results, we conclude that there is still much to build inorder to delineate work together on social assistance so effective it from the perspective of strengthening a democratic and universalist
O presente estudo aborda a tem?tica do Trabalho, Servi?o Social e Pol?tica P?blica de Assist?ncia Social (PPAS). O objetivo geral foi compreender o debate te?rico e operacional em movimento sobre a categoria trabalho e processos de trabalho em que se inserem os assistentes tanto na concep??o ontol?gica quanto no ?mbito da interven??o junto ? PPAS com vistas a qualificar as interven??es e debates desenvolvidos na ?rea. Trata-se de uma pesquisa quanti-qualitativa orientada pelo m?todo dial?tico-cr?tico para responder qual a concep??o e como ? operacionalizado o trabalho dos assistentes sociais na PPAS no munic?pio de Caxias do Sul. Foi realizada pesquisa bibliogr?fica, documental e emp?rica. No tratamento dos dados foi efetivada an?lise de conte?do baseada em Trivi?os (1989). Como principais resultados o estudo identificou que h? muitos desafios presentes no cotidiano da operacionaliza??o da pol?tica de assist?ncia social, pois se verifica a necessidade de ser superado o vi?s conservador presente tanto no Servi?o Social quanto na interven??o junto ? pol?tica. Al?m disso, aponta-se para a discrep?ncia presente nas formula??es te?ricas sobre a tem?tica que n?o condizem com as interven??es desenvolvidas pelos assistentes sociais inseridos na assist?ncia social. Destaca-se tamb?m que a pesquisa apontou a relev?ncia do debate sobre a interlocu??o do projeto ?tico pol?tico do Servi?o Social com a pol?tica de assist?ncia social enquanto estrat?gia para qualifica??o do trabalho operacionalizado. Com base nesses resultados, conclui-se que h? ainda muito por construir no sentido de delinear o trabalho junto ? assist?ncia social de forma a efetiva-la na perspectiva do fortalecimento da cultura democr?tica e universalista
Libri sul tema "Serveis TIC"
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E tica do trabalho: Na era po s-qualidade. Rio de Janeiro: Qualitymark Editora, 1997.
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Health policy: An introduction to process and power. Johannesburg: Witwatersrand University Press, 1994.
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Blanco, Fabián. Estado actual de la educación inclusiva en Colombia y herramientas TIC de apoyo. Universidad Libre Sede Principal, 2020. http://dx.doi.org/10.18041/978-958-5578-47-0.
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El Secretario General de la ONU, Ban Ki-moon, destacó que los Objetivos de Desarrollo Sostenible (ODS) son un faro para el mundo con un mensaje en el cual las naciones se han comprometido a asegurar una vida digna para todos, así como la salud del planeta para las generaciones futuras. Es así que el mejoramiento del nivel y calidad de vida de la población discapacitada en el espacio geográfico local, regional y universal, ha motivado a la Organización Mundial de la Salud (OMS) a concertar con los gobiernos planes de desarrollo que garanticen la apropiación de los servicios de las TIC (tecnologías de la información y la comunicación) y las tecnologías emergentes, además de permitir la inclusión de esta población en el sector educativo, cultural y productivo. Colombia aceptó en el gobierno del presidente Santos las propuestas de la OMS y las incluyó en el conocido Plan Vive Digital, sobre el cual la universidad estructura un sólido trabajo investigativo que dimensiona la aceptación, apropiación y contextualización de las TIC en la población invidente, sordomuda y parapléjica. Es así como este libro pretende ser texto universitario y de consulta para todas aquellas personas que deseen tener pautas del proceso de educación inclusiva en Colombia. Este aborda el tema a través de cuatro capítulos detallados a continuación. En el análisis del índice de impacto de las TIC en la población con discapacidad, se estudiará el estado del arte de la educación inclusiva en Colombia y el uso de las herramientas TIC en las aulas de clases. Se analizarán las herramientas y metodologías que son utilizadas actualmente en la academia, las universidades y los colegios, y cómo ha sido la adaptación de estas personas con condiciones especiales a tales herramientas. También se abordará la normatividad que ha emitido el Ministerio de Educación Nacional buscando cubrir las necesidades de esta población en lo que respecta a la inclusión educativa. El estado actual de la inclusión educativa en Colombia y el uso de herramientas TIC se enmarca dentro de los ODS, ya que se habla de “Garantizar una educación inclusiva, equitativa y de calidad y promover oportunidades de aprendizaje durante toda la vida para todos” (ONU, s.f.), lo cual corresponde al objetivo de educación de calidad; al mismo tiempo, se tiene en cuenta la reducción de las desigualdades. En cuando al proyecto de investigación, se establece el “Diseño de un modelo de nuevas prácticas de aprendizaje para La educación inclusiva mediada por las TIC en la universidad colombiana para las personas con algún tipo de diversidad: Caso de estudio Universidad Libre, Sede Bosque Popular” (Universidad Libre de Colombia, 2018), el cual se presentó en la convocatoria 2018. En el desarrollo del software responsive de traducción de voz a texto E-APP, el eje central será la población con discapacidad auditiva; para ello, se ha desarrollado una solución tecnológica que permita la inclusión de dicha población dentro de las aulas de educación superior, lo cual da lugar a que las instituciones de educación superior puedan ofertarles todos sus programas académicos sin ninguna excepción. Esta solución de traducción de voz a texto incorpora nuevas técnicas de aprendizaje para la educación inclusiva mediada por las TIC en las instituciones educativas colombianas, ello para apoyar el ejercicio de los derechos de las personas con discapacidad a través de las TIC. Se indagará sobre la posibilidad de implementar un software para el apoyo del progreso cognitivo de niños diagnosticados con síndrome de Down, el cual se oriente a la educación especial que pueda servir de apoyo tanto a los educadores como a la población vulnerable. Gracias por el apoyo brindado invaluable en este proceso académico por parte de la Universidad Libre de Colombia, al Centro de Investigaciones (CIFI) como a las directivas de la Facultad de Ingeniería por su confianza. También a los investigadores del grupo DAVINCIS como a la colaboración del grupo IDEPI.
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Krueger, Darcy A., e Jamie Capal. Familial CNS Tumor Syndromes. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199937837.003.0136.
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Tuberous sclerosis complex is an autosomal dominant multi-system disease that involves the skin, brain, heart, lungs, and kidneys and is associated with seizures including infantile spasms, intellectual disability, autism and pulmonary and heart disease. Skin lesions can be particularly disfiguring and infantile spasms can be associated with marked cognitive decline. The outlook for patients has improved markedly with the recognition that TSC is caused by upregulation of the mammalian target of rapamycin (mTOR) enzyme, which connects energy needs and supply with cellular and neuronal growth. mTOR is upregulated in TSC because of mutations in hamartin or tuberin, which normally serve as a brake on mTOR. The drug rapamycin is commonly used as an immunosuppressive for patients undergoing kidney transplants; it has also found a new use in patients with TSC. Although the drug is immunosuppressive for non-TSC patients, careful titration of the drug in TSC patients corrects its upregulation but is not particulary immunosuppressive. Additional mTOR inhibitors such as everolimus have been developed and have been shown to be effective for pulmonary disease associated with TSC. Rapamycin in ointment form is dramatically effective in suppressing skin lesions of TSC and studies are underway to test the effect of mTOR inhibitors on seizures, brain tubers, intellect, and features of autism. Infantile spasms associated with TSC are very responsive to vigabatrin.
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The Q & C Company, railway specialties: Servis tie plates, cattle guards, metal-sawing machines, car doors, car ventilators, brake adjusters. [S.l: s.n., 1986.
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Frank G, Madsen. Part V Procedural and Technological Challenges for the Investigation of TOC—Policing, Technological Aspects, Efficiency, Exchange of Information, Abuse of Power, and Tactics for Conducting Investigations, 23 Policing Transnational Organised Crime—The International Perspective. Oxford University Press, 2016. http://dx.doi.org/10.1093/law/9780198733737.003.0023.
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This chapter examines international cooperation in the fight against transnational organised crime (TOC). As main thesis it claims that within the area of law enforcement in general and international law enforcement in particular, an epistemological rupture has changed the way we think about law enforcement. First, the chapter looks at the institutions involved in the fight: it asks ‘who’? The second part asks ‘what’ do law enforcement agencies do to counter the activities of TOC? The third part picks up the claim of an epistemological rupture, identifies this in the ever-increasing use of bulk or random data, and presents some arguments for using such methods and some—based on privacy rights—for not using them. This part deplores the militarization of law enforcement and the blurring of the boundary between law enforcement and the security services, which, it postulates, leads to law enforcement being alienated from the populations it serves.
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How to Be a Waitress and Make Big Tips: Get a Top Server's Secrets to Maximizing Your Tip Earning Potential. Profits Publishing, 2010.
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Swanepoel, R., e J. T. Paweska. Crimean-Congo haemorrhagic fever. Oxford University Press, 2011. http://dx.doi.org/10.1093/med/9780198570028.003.0033.
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Crimean-Congo haemorrhagic fever (CCHF) is an acute disease of humans, caused by a tick-borne virus which is widely distributed in eastern Europe, Asia and Africa. Cattle, sheep and small mammals such as hares undergo inapparent or mild infection with transient viraemia, and serve as hosts from which the tick vectors of the virus can acquire infection. Despite serological evidence that there is widespread infection of livestock in nature, infection of humans is relatively uncommon. Humans acquire infection from tick bite, or from contact with infected blood or other tissues of livestock or human patients, and the disease is characterized by febrile illness with headache, malaise, myalgia, and a petechial rash, frequently followed by a haemorrhagic state with necrotic hepatitis. The mortality rate is variable but averages about approximately 30 per cent. Inactivated vaccine prepared from infected mouse brain was used for the protection of humans in eastern Europe and the former Soviet Union in the past, but the development of a modern vaccine is inhibited by limited potential demand. The voluminous literature on the disease has been the subject of several reviews from which the information presented here is drawn, except where indicated otherwise (Chumakov 1974; Hoogstraal 1979; 1981; Watts et al. 1989; Swanepoel 1994; 1995; Swanepoel and Burt, 2004; Burt and Swanepoel, 2005; Whitehouse 2004; Ergunol and Whitehouse 2007; Ergunol 2008).
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Jennings, Justin, e Guy Duke. Making the Typical Exceptional. A cura di Sonia Alconini e Alan Covey. Oxford University Press, 2018. http://dx.doi.org/10.1093/oxfordhb/9780190219352.013.16.
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This chapter discusses the foods and drinks typically consumed in the Inca Empire, with a focus on the highland core. The Inca created a haute cuisine from these commonly consumed objects and then used this cuisine to distinguish elites from non-elites. More important, imperial administrators employed Inca haute cuisine at feasts to tie subjects to the state. By accepting a meal that was categorically distinct from what could be made at home, individuals accepted a social debt to the empire that could never be fully repaid. Specially produced and served consumables, especially maize beer, were thus an essential part of Inca statecraft.
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Paul, David C. Censorship and the Politics of Reception. A cura di Patricia Hall. Oxford University Press, 2016. http://dx.doi.org/10.1093/oxfordhb/9780199733163.013.3.
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This article examines censorship and the politics of reception by focusing on Marc Blitzstein’s opera The Cradle Will Rock. It first describes the external events that conspired to enable Blitzstein’s work to circumvent the censors, making it a legend in the history of American theater. It then considers three screenplays that translated the events connected with the premiere of The Cradle Will Rock to the big screen: the first two written separately by Ring Lardner Jr. and Orson Welles in the mid-1980s and the third written by Tim Robbins in the late 1990s. The article explains how each screenplay illustrates the fact that the relevance of censorship is open to various interpretations and can be used to serve a number of agendas.
Capitoli di libri sul tema "Serveis TIC"
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Cain, Lisa, e Katerina Berezina. "Robo-Tipping: Are Customers Game?" In Information and Communication Technologies in Tourism 2021, 222–27. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-65785-7_20.
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AbstractThis study sought to investigate customer attitudes towards tipping robotic employees in bars. A convenience sample of participants who were 21 years of age or older and who had patronized a bar was recruited using Amazon’s Mechanical Turk platform. Of the 102 usable responses, only 15 participants had experienced robotic bartender service. Only 11 individuals (10.8%) in total said they would tip a robot; 10 of those were respondents who had acutally experienced robotic bartenders, representing 67% of that subsample. Participants listed efficiency and required maintenance as reasons for giving a tip to a robotic bartender. Out of 91 respondents who initially declined to tip a robotic bartender, 38 study participants (41.8%) agreed to tip if they knew that the collected funds would go to human employees. However, in the same group of respondents, only 14 (15.4%) agreed to tip in the scenario when tipping would serve as a learning experience for a robot to understand customer preferences. The rationale for not tipping included such reasoning as robots are machines that do not need extra income and cannot appreciate the gesture. This study suggests that explaining how the collected funds will be used may positively impact consumer intentions to tip a robotic bartender. This extra revenue may help offset the cost of the robot, and subsequently lower the prices of the drinks served at a robotic bar, thus making the product more affordable for a wider audience.
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Zoccal, Geovana. "Triangular Cooperation: Enabling Policy Spaces". In The Palgrave Handbook of Development Cooperation for Achieving the 2030 Agenda, 583–603. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-57938-8_27.
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AbstractIn the past decade, a number of studies, reports, and data have been produced on triangular cooperation (TrC). The focus of these publications is mainly on (i) the project level and/or (ii) political relations between stakeholders. I argue that, beyond being an effective modality for the implementation of development projects, TrC is an enabler of policy negotiation spaces. Through TrC, the clashes of traditional principles and practices with a new narrative of Southern providers are loosened, enabling spaces that do not directly confront contested political positions jeopardising the dialogue. The chapter identifies that TrC serves as a bridge for coordination between stakeholders. Findings suggest that it has been used for sharing costs and solutions as well as for the development of joint guidelines and processes.
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Springstein, Matthias, Huu Hung Nguyen, Anett Hoppe e Ralph Ewerth. "TIB-arXiv: An Alternative Search Portal for the arXiv Pre-print Server". In Digital Libraries for Open Knowledge, 295–98. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-00066-0_26.
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Kessler, Kelly. "Quality and Class or Malls and Music Video". In Broadway in the Box, 123–61. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780190674014.003.0005.
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With network musical castoffs like Fame and The Muppet Show hitting it big in syndication and viewers defecting to public TV, the eighties proved challenging for ABC, CBS, and NBC. Simultaneously, viewers lucky enough to live in early-served cable markets could circumvent the networks altogether. Seeing the writing on the wall, the networks jumped into the cable arena with a string of niche performing arts channels, with CBS Cable, Alpha Repertory Theatre Service (ARTS), and The Entertainment Channel (TEC) providing viewers a new cache of musical programming. The resultant interplay between television’s heavy hitters, video distributors, and Broadway royalty like the Nederlanders highlights this as a time of high stakes for various forms of musical entertainment. That said, it was MTV and its embrace of teens and the music video tie-ins of popular dance films like Footloose and Flashdance that won the battle for the cable-based musical market.
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García, Luis M. Casas, Vítor J. Godinho Lopes, Ricardo Luengo González, Sofia M. Veríssimo Catarreira e José L. Torres Carvalho. "Theory of Nuclear Concepts". In Handbook of Research on Didactic Strategies and Technologies for Education, 591–604. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-2122-0.ch051.
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The Theory of Nuclear Concepts (TNC) is based on prior theories and ideas coming from Ausubel and Novak among others, who argue that concepts are organized hierarchically around general concepts. But the TNC differs from them in holding that the students’ cognitive structure is organized around specific concepts that are not the most general, but only the most significant for the students. TNC also argues that, as a result of the learning progresses, the students’ cognitive structure is transformed into a simpler structure. The associated technique to represent the cognitive structures is “Pathfinder Associative Networks” and to obtain them, it was developed GOLUCA software, which serves as a support on the analysis and representation of cognitive networks. The TNC has been used to understand and evaluate the cognitive structures of students and teachers in real situations.
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"Inhalt". In Servus alienus heres, IX—XIV. Köln: Böhlau Verlag, 2012. http://dx.doi.org/10.7788/boehlau.9783412215569.toc.
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Pieroni, Alessandra, e Giuseppe Iazeolla. "Engineering QoS and Energy Saving in the Delivery of ICT Services". In Sustaining Power Resources through Energy Optimization and Engineering, 208–26. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-4666-9755-3.ch009.
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ICT service-providers are to daily face the problem of delivering ICT services (data processing (Dp) and/or telecommunication (Tlc) services) assuring the best compromise between Quality of Service (QoS) and Energy Optimization. Indeed, any operation of saving energy involves waste in the QoS. This holds both for Dp and for Tlc services. This paper introduces models the providers may use to support their decisions in the delivery of ICT services. Dp systems totalize millions of servers all over the world that need to be electrically powered. Dp systems are also used in the government of Tlc systems, which also require Tlc-specific power, both for mobile networks and for wired networks. Research is thus expected to investigate into methods to reduce ICT power consumption. This paper investigates ICT power management strategies that look at compromises between energy saving and QoS. Various optimizing ICT power management policies are studied that optimize the ICT power consumption (minimum absorbed Watts), the ICT performance (minimum response-time), and the ICT performance-per-Watt.
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"CONTENTS". In Dying to Serve, ix—x. Stanford University Press, 2020. http://dx.doi.org/10.1515/9781503611993-toc.
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Ternes, Tyler H. "Endotracheal and Enteric Tubes". In Chest Imaging, 35–39. Oxford University Press, 2019. http://dx.doi.org/10.1093/med/9780199858064.003.0007.
Testo completoAbstract (sommario):
The Endotracheal and Enteric Tubes chapter addresses these frequently used medical devices. An endotracheal tube (ETT) is a catheter placed into the airway for mechanical ventilation. It serves to protect the airway and provide adequate gas exchange. The ideal position of the endotracheal tube tip is approximately 5 cm above the carina. Complications of ETT placement include inadequate ventilation if placed too high or too low, esophageal intubation and tracheal injury. Tracheostomy tubes are used in patients who require long-term intubation. Enteric tubes are thin flexible hollow catheters that course into the stomach and beyond. They may be placed via nasal (nasogastic) or oral (orogastric) approach. When used for suctioning, the ideal position of the tube tip is within the stomach. When used for administration of drugs or nutrition, the tube tip is ideally advanced beyond the pylorus. Enteric tube malposition may be due to coiling within the esophagus or inadvertent malposition within the airway. Malpositioning could result in aspiration, lung injury, and pneumothorax.
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"Contents". In To Serve the Living, ix. Harvard University Press, 2010. http://dx.doi.org/10.4159/9780674054646-toc.
Testo completoAtti di convegni sul tema "Serveis TIC"
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Tiwari, Ajay, e Priyesh Kanungo. "Dynamic load balancing algorithm for scalable heterogeneous web server cluster with content awareness". In Computing (TISC). IEEE, 2010. http://dx.doi.org/10.1109/tisc.2010.5714626.
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Ghaffari, Pouya, Reinhard Willinger, Sabine Bauinger e Andreas Marn. "Impact of Passive Tip-Injection on Tip-Leakage Flow in Axial Low Pressure Turbine Stage". In ASME Turbo Expo 2015: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/gt2015-42226.
Testo completoAbstract (sommario):
In addition to geometrical modifications of the blade tip for reducing tip-leakage mass flow rate the method of passive tip-injection serves as an aerodynamic resistance towards the tip-leakage flow. The impact of this method has been investigated thoroughly at unshrouded blades in linear cascades. Furthermore combinations of shrouded blades with passive tip-injection have been investigated analytically as well as via numerical simulations for incompressible flow in linear cascades. The objective of this paper is to consider a real uncooled low pressure turbine stage with shrouded blades and to investigate the effect of passive tip-injection on various operational characteristics. CFD calculations have been carried out in a rotational frame taking into consideration compressible flow and serve for evaluating the method of passive tip-injection in the given turbine stage. Experimental data obtained from the machine without tip-injection serve as boundary conditions for the CFD calculations.
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Virdi, A. S., Q. Zhang, L. He, H. D. Li e R. Hunsley. "Aerothermal Performance of Shroudless Turbine Blade Tips With Effects of Relative Casing Motion". In ASME 2013 Turbine Blade Tip Symposium. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/tbts2013-2021.
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Recent work has indicated qualitatively different heat transfer characteristics between a transonic blade tip and a subsonic one. High resolution experimental data can be acquired for blade tip heat transfer research using a high speed linear cascade. While recognising an important role played by the cascade tests in validating computational models at the same conditions, some questions arise in relation to the effects of relative casing motion: 1) Does the relative casing movement change the main flow physics influencing the blade tip aerothermal performance? 2) Can a cascade set up with stationary casing wall rank different designs? 3) How do the effects of the casing motion depend on tip design configurations? A combined experimental and CFD study on several high pressure blade tip configurations is conducted to address these issues. Firstly, extensive experimental tests with aerodynamic loss and heat transfer measurement in a high speed linear cascade have been carried out for a squealer tip configuration at engine representative aerodynamic conditions. A systematic validation of the CFD solver (Rolls-Royce HYDRA) is presented, which serves as a basis for the computational analyses of the effects of the relative casing motion. Two tip configurations (squealer and flat tip) at three tip gaps (0.5%, 1.0%, 1.5% span) are analysed. The main aerodynamic impact of the casing motion is seen to promote the passage vortex, which consequently supresses the pitchwise reach of the tip leakage vortex. Inside the tip gap, the behaviour is dominated by the extra wall friction in relation of the inertia of the bulk fluid through the gap. As such, the moving casing effect is particularly strong for the flat tip at a small tip gap. For the large and medium tip gaps, both stationary and moving casing results are shown to consistently capture the trends in overall aerothermal performances. The present results confirm that even with relative casing motion, there is still a significant portion of transonic flow over a blade tip. For both the stationary and moving casing cases, the gap dependence of the over-tip heat transfer shows opposite trends for the transonic and subsonic regions respectively. The gap dependence of the blade tip heat transfer is shown to be clearly dependent on tip geometry configurations, as the bulk flow in a squealer cavity is subsonic regardless of the tip gap size, whilst the local flow state over a flat tip is much more responsive to the change of gap size.
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Quốc Vinh, Nguyễn Trần, Huỳnh Xuân Hiệp, Trần Đăng Hưng, Hoàng Ngọc Hiển e Nguyễn Văn Vương. "SINH TỰ ĐỘNG TRIGGER TRÊN NGÔN NGỮ T-SQL HỖ TRỢ ANCHOR MODELING TRONG SQL SERVER". In NGHIÊN CỨU CƠ BẢN VÀ ỨNG DỤNG CÔNG NGHỆ THÔNG TIN. Publishing House for Science and Technology, 2017. http://dx.doi.org/10.15625/vap.2016.00080.
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Wei, Jie, e Masahiro Suzuki. "Thermal Management of Fujitsu High-End Unix Servers". In ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems collocated with the ASME 2005 Heat Transfer Summer Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/ipack2005-73313.
Testo completoAbstract (sommario):
An overview of system packaging and thermal management of the Fujitsu high-performance Unix server PRIMEPOWER HPC2500 is introduced in the present paper. Each node of the HPC2500 comprises sixteen system boards containing up to 128 SPARC64V CPU processors, with the maximum power dissipation about 30kW. A full configuration of the HPC2500 can be further scaled up to the maximum of 128 nodes, resulting in 16,384 CPU processors installed. Thermal management is introduced from viewpoints of the server-cabinet, system-board and CPU processor module levels, respectively. A design strategy of the forced convection air cooling scheme is outlined, implemented to meet increased demanding requirements of high density packaging, high power and power-density dissipations. Furthermore, thermal challenges, arising from high asymmetric power distributions and dissipations of CPU processors, are investigated for high performance computers. Temperature distributions of the CPU processors, effects of heat spreading materials (HIS) and impacts of thermal interface materials (TIM) on the cooling and packaging designs are also analysed and illustrated. This paper was also originally published as part of the Proceedings of the ASME 2005 Heat Transfer Summer Conference.
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Isakanian, P., e S. Hunjan. "Spin-On-Glass (SOG) Contamination Causing Single Via Failure". In ISTFA 1997. ASM International, 1997. http://dx.doi.org/10.31399/asm.cp.istfa1997p0287.
Testo completoAbstract (sommario):
Abstract Several device failures were experienced after they went through the board assembly process. The failure caused severe transmit pulse attenuation from circuit block called AUI (Attachment Unit Interface). The AUI serves as a medium independent communication port in Local Area Networks. After careful observation and a series of Failure Analysis processes, the malfunction, which caused severe transmit pulse attenuation was attributed to a defective metal 1 to metal 2 via. The via in question is a tie between a pair of cascoded PMOS transistors in the analog section of the chip. These transistors serve as the main biasing leg for the AUI current sink. Since the via in question was bake recoverable at temperatures as low as 175°C for 20 minutes but would show the same failure signature when operated under temperature, the exact failure location was difficult to pinpoint. After a lengthy analysis procedure, the malfunction was attributed to contamination due to Spin On Glass (SOG) outgassing.
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Fernandes, John Edward, Saeed Ghalambor, Richard Eiland, Dereje Agonafer e Veerendra Mulay. "Improving the Thermal Performance of a Forced Convection Air Cooled Solution: Part 2 — Effect on System-Level Performance". In ASME 2013 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/ipack2013-73107.
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The heat sink assembly of an air cooled CPU is modified to improve thermal performance of the module-level solution. This modification is employed in a dual-socket server that relies on system fans to move air for forced convection cooling of all heat generating components on the motherboard. Currently, in the data center industry, the focus is on reducing power consumption through application of energy-efficient cooling solutions. Fans installed in the server operate as a function of CPU die temperatures and represent a parasitic load that must be minimized. Improvement in system-level performance can be quantified in terms of reduced fan and server power consumption. The server is subjected to varying CPU utilizations and corresponding average fan speeds and power consumption are reported. Similarly, reduction in CPU junction temperature and server power at a given utilization can be computed by operating the fans at a constant speed. Difference in thermal performance and power consumption between the baseline and modified heat sink configurations was found to negligible when a TIM is applied. However, in the absence of a TIM, the modified assembly delivered as much as 24.4% reduction in CPU die temperature and 6.2% reduction in server power consumption. In addition, there is indiscernible variation in server power consumption between the baseline (with employment of TIM) and modified (with and without TIM application) heat sink assemblies. Thus, the modified configuration has possible applications in systems where a TIM may be undesirable or difficult to apply.
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Yan, Yan, Jianlin Zhuang, Reza Nejabati e Dimitra Simeonidou. "P4-Enabled Smart NIC for Intra-Server Network Virtualization Acceleration". In Asia Communications and Photonics Conference. Washington, D.C.: OSA, 2020. http://dx.doi.org/10.1364/acpc.2020.t3c.3.
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Wang, Yachao, Jing Shi, Xinnan Wang e Yun Wang. "In Situ AFM Characterization of Deformation Behavior of Nano TiC Reinforced Inconel 718 Superalloy Prepared by Selective Laser Melting". In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-52426.
Testo completoAbstract (sommario):
Laser assisted additive manufacturing (LAAM) is regarded as a complementary method to traditional manufacturing processes and it has drawn significant attention from both industry and academia. Improving the performance of components fabricated by LAAM has been an important research task in recent years due to the inevitable negative effects introduced by in the LAAM process, such as porosity, inhomogeneity, and tensile residual stress. In this study, to obtain high-performance metal components by LAAM, nano-TiC particles are adopted to reinforce Inconel 718 and the mixed powders of TiC and Inconel 718 are processed by selective laser melting (SLM). To investigate the effect of TiC concentration on the property and performance of the metal matrix composite, samples with three levels of nano-TiC addition (0, 0.25, 0.5 wt.%) are prepared, in which the SLM process parameters are kept the same for all cases. Three-point bending tests are performed to determine the optimum nano TiC addition. It is found that the material of 0.5 wt.% TiC addition results in the highest bending modulus. Compared with pure Inconel 718, the composite with 0.5 wt.% nano-TiC shows 38% increase in flexural modulus. In addition, to better understand the reinforcing mechanism of nano TiC particles, the SLM processed samples are characterized using a self-designed micro/nano three-point bending tester that is incorporated with an atomic force microscope (AFM) to in situ observe the nanoparticles movement on the sample surface under loading. The sample surface is scanned by AFM at 0%, 2%, 4% and 6% strain condition during the test, and the migration of individual nano particles at the sample surface is tracked at each strain condition. The AFM observations show that the dispersion of TiC nanoparticles is overall random and uniform in the Inconel 718 matrix, and localized agglomeration of TiC particles exists. The interfaces between nanoparticles and the matrix are generally continuous and free of any deleterious micro cracks, indicating a favorable metallurgical bonding feature. The surface morphologies obtained by AFM at different strain conditions are processed by digital image correlation technique to obtain the strain fields during the deformation process. The results show that the agglomerated TiC particles serve as defects in the material, leading to relative sliding of particles with respect to the matrix. This is believed to be the main factor that limits the performance of the composites made by SLM.
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Notohardjono, Budy D., e Robert Sanders. "Static and Dynamic Handling Stability of Server Rack Computers". In ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/esda2014-20473.
Testo completoAbstract (sommario):
This paper discusses the static and dynamic stability analysis of rack or frame computer/server products during shipping and relocation. The static stability is the ability of server products to resist tipping over on a typical raised floor in a datacenter or when it is installed in its operational product environment. The dynamic stability is the ability to resist tipping over when a velocity change occurs during re-location either on flat or inclined planes. The product consists of a frame or a rack in which components such as processor units, input-output units and power supplies are installed. The static stability analysis presented here calculates the tip over threshold angle, which is the maximum angle of an inclined plane on which the product can be placed without tipping over. The location of the installed components in a frame, the dimension and weight of the installed components, and the dimension of the product dictate the overall static stability of the product. Specifically, those parameters affect the location of the center of gravity of the product and the tip over threshold angle. The tip over threshold angle is a critical parameter influencing the dynamic stability of the product.. The dynamic stability of an unpackaged product moving on casters can be calculated using the conservation of mechanical energy principle. Finite element modeling is a good way to evaluate the dynamic stability of a product during manual handling or mechanical handling; for instance, on a forklift. The objective of the finite element modeling is to provide guidelines on the maximum speed, minimum radius curvature, and safe turning speed of a forklift when transporting a product. The main objective of the analysis presented here is to provide a method for analyzing the static and dynamic stability of a rack style computer server product during shipping, relocation, and handling.