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Tesi sul tema "Shape mining"

Autore: Grafiati

Pubblicato: 11 gennaio 2025

Ultima modifica: 31 luglio 2025

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1

Williams, Stephen Bruce. "The effect of scale and shape on the strength of Merensky Reef samples." Diss., Pretoria: [s.n.], 2000. http://upetd.up.ac.za/thesis/available/etd-11092006-132936/.

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2

ROBINETTE, KATHLEEN M. "AN INVESTIGATION OF 3-D ANTHROPOMETRIC SHAPE DESCRIPTORS FOR DATABASE MINING." University of Cincinnati / OhioLINK, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1069446990.

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3

Clark, Daniel. "Net shape engineering for high performance aerospace applications : targeted development of novel technologies for aerospace near net shape combustor module applications." Thesis, University of Birmingham, 2012. http://etheses.bham.ac.uk//id/eprint/7200/.

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Two additive processing scenarios were considered covering manufacturing and repair applications. One scenario required evaluation of three processes for the addition of shaped blocks to a casing. The other involved infilling a shallow hemispherical indent with one of three polycrystalline alloys (alloy 718, waspaloy™ and RR1000) using different deposition strategies. Processinduced discontinuities were characterised and controlled using a design of experiments approach. As distinct from welding, process variables of overlap, Toolpath, bead shape,sequencing and incremental height were establis

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4

Li, Sheng. "Development and processing of Ti-Ni-based shape memory alloys using laser melting techniques." Thesis, University of Birmingham, 2017. http://etheses.bham.ac.uk//id/eprint/7584/.

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This thesis focused on the development of Ti-Ni-based shape memory alloys using a novel alloy development process based on laser melting technique, suspended droplet alloying (SDA), and on development of a manufacturing route Ti-Ni-based structures using selective laser melting (SLM), specifically for Negative Poisson’s ratio (NPR) auxetic structures. To assess the SDA process, a series of Ti-Ni-based binary, ternary and quaternary SMA have been built to analyse the chemical and microstructural homogeneity of the builds produced by the SDA process. The shape memory performance in terms of the

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5

Qiu, Chunlei. "Net-shape hot isostatic pressing of a nickel-based powder superalloy." Thesis, University of Birmingham, 2010. http://etheses.bham.ac.uk//id/eprint/1255/.

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Microstructural analysis and mechanical property assessment have been carried out on hot isostatically pressed (HIPped) and heat treated samples of RR 1000 powder to assess Net Shape HIPping as a process-route for aero engine components. HIPping led to (Hf,Zr)-rich oxides and carbides on prior particle boundaries (PPBs) which could be coarsened, but not eliminated by changing the HIP procedure. HIPping above the γ′ solvus resulted in coarser grains with serrated boundaries and in the formation of irregular-shaped secondary γ′ and fan-type γ-γ′ structures. Factors which influence the growth and

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6

Kirkpatrick, R. "Unique Factors which shape the Role of the HR practitioner: An Australian Metals Mining Industry Perspective." Thesis, Kirkpatrick, R. (2012) Unique Factors which shape the Role of the HR practitioner: An Australian Metals Mining Industry Perspective. Honours thesis, Murdoch University, 2012. https://researchrepository.murdoch.edu.au/id/eprint/22625/.

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The overwhelming voice in the SHRM literature over the past two decades has advocated ‘soft’ human or employee relations over ‘harder’ , more prescriptive management science; with much of the literature focusing on the application of high-commitment management (HCM), or high involvement work systems (HIWS), as a way of achieving competitive advantage. Although there has been substantial effort expended to establish a link between such practices and improved firm outcomes, the research has rarely focused on the role of the Human Resource practitioner from the incumbent’s perspective, in impleme

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7

Kalmegh, Prajakta. "Image mining methodologies for content based retrieval." Thesis, Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/39587.

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The thesis presents a system for content based image retrieval and mining. The research presents a design of a scalable solution for efficient retrieval of images from large image databases using image features such as color, shape and texture. A framework for automatic labeling of images and clustering of meta data in database based on the dominant shapes, textures and colors in the image is proposed. The thesis also presents a new image tagging methodology to annotate the dominant image features to the image as meta data. The users of this system can input a query image and select similar

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8

Haenschke, Titus Paul. "Degradation of TiNi-based shape memory alloys (SMAs) during thermo-mechanical cycling." Thesis, University of Birmingham, 2013. http://etheses.bham.ac.uk//id/eprint/4387/.

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This thesis is aimed at the identification of causes for the instability of Ti-49.8Ni and Ti-40.8Ni-9Cu (at.%)shape memory alloys during thermomechanical cycling. To assess the macroscopical and microstructural behaviour several techniques were employed. Thermo-mechanical tests (TMT) revealed that TiNi did not stabilise under the tested conditions. In contrast, TiNiCu showed a more stable behaviour. Whereas the maximum testing temperatures were found to be detrimental for the strain output in TiNi, none such influence could be found in TiNiCu. In TiNiCu increasing stresses seems to prevent the

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9

Routledge, David Philip. "Joining of NiTi-based shape memory alloys to Ti-6Al-4V." Thesis, University of Birmingham, 2013. http://etheses.bham.ac.uk//id/eprint/4262/.

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NiTi-based shape memory alloys (SMAs) have been developed as high power density micro-actuators for small scale and/or light weight actuation systems; this provides opportunities for actuators to be installed in regions where conventional actuators are unattractive due to their size, weight or power consumption. SMA based actuators could be applied across a greater range of applications if the SMA that provides the force could be joined to other light weight engineering materials, such as Ti-6Al-4V. The scope of this work is to describe the reasons why conventional fusion based welding and bra

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10

Rodriguez, Juan. "Importance of the particle shape on mechanical properties of soil materials." Licentiate thesis, Luleå tekniska universitet, Geoteknologi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-26434.

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Particle shape of soil aggregates is known to influence several engineering properties; such as the internal friction angle, the permeability, etc. Even if this is known, there has been only minor progress in explaining the processes behind its performance and has only partly implemented in practical geotechnical analysis. Previously shape classification of aggregates has mainly been performed by ocular inspection and e.g. by sequential sieving. In geotechnical analysis has been a lack of an objective and rational methodology to classify shape properties by quantitative measures. The image ana

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11

Li, Yunming. "Machine vision algorithms for mining equipment automation." Thesis, Queensland University of Technology, 2000.

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12

Sellaro, Rachel Mary. "Development and Demonstration of a Standard Methodology for Respirable Coal Mine Dust Characterization Using SEM-EDX." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/49434.

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The purpose of this thesis is to examine the potential for a more comprehensive method of analysis of coal mine dust. Respirable dust is specifically of interest due to its ability to cause occupational lung disease when miners are overexposed to airborne concentrations. A detailed standard methodology to characterize respirable mine dust is carefully investigated with the use of scanning electron microscopy with energy dispersive x-ray (SEM-EDX). In addition to a thorough description of the developed particle level characterization approach, the method is demonstrated with underground respira

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13

Fidan, Berkan. "A Comparative Analysis Of The Recent Cement Grinding Systems With Particle-based Influences On Cement Properties." Thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12612997/index.pdf.

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The conventional cement grinding system, the ball mill, has very poor efficiencies in spite of innovative improvements. For this purpose, development of new techniques, which allow proper size reduction and uniform particle size distribution with less specific energy consumptions, have become a necessity. The aim of this study is to make a comparative analysis of the fairly new cement grinding technologies, COMFLEX&reg<br>Grinding System, Roller Press and HOROMILL&reg<br>, at the same cement production plant with the same raw materials. In this context, CEM I 42.5 R type cement was produced wi

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14

Consularo, Luís Augusto. "Técnicas de mineração de dados para análise de imagens." Universidade de São Paulo, 2000. http://www.teses.usp.br/teses/disponiveis/76/76132/tde-14012009-101451/.

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Imagens codificadas por matrizes de intensidade são tipicamente representadas por grande quantidade de dados. Embora existam inúmeras abordagens para análise de imagens, o conhecimento sobre problemas específicos é raramente considerado. Este trabalho trata sobre problemas de análises de imagens cujas soluções dependem do conhecimento sobre os dados envolvidos na aplicação específica. Para isso, utiliza técnicas de mineração de dados para modelar as respostas humanas obtidas de experimentos psicofísicos. Dois problemas de análise de imagens são apresentados: (1) a análise de formas e (2) a aná

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15

Hörr, Christian. "Algorithmen zur automatisierten Dokumentation und Klassifikation archäologischer Gefäße." Doctoral thesis, Universitätsbibliothek Chemnitz, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-71895.

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Gegenstand der vorliegenden Dissertation ist die Entwicklung von Algorithmen und Methoden mit dem Ziel, Archäologen bei der täglichen wissenschaftlichen Arbeit zu unterstützen. Im Teil I werden Ideen präsentiert, mit denen sich die extrem zeitintensive und stellenweise stupide Funddokumentation beschleunigen lässt. Es wird argumentiert, dass das dreidimensionale Erfassen der Fundobjekte mittels Laser- oder Streifenlichtscannern trotz hoher Anschaffungskosten wirtschaftlich und vor allem qualitativ attraktiv ist. Mithilfe von nicht fotorealistischen Visualisierungstechniken können dann wieder a

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16

Östlund, Jacob, and Kristian Kierkegaard. "Uranium Mining Industry : -A valuation of uranium mining companies." Thesis, Jönköping University, JIBS, Accounting and Finance, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-927.

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<p>Background:</p><p>Over the last three years uranium prices have soard from US $14 per pound (lb) to the current price of US $120/lb and this rapid incline of the commodity have created a boom within the uranium prospecting and min-ing industry. There are currently 435 nuclear reactors all over the world and these reactors demand 180 millions of pounds of uranium each year to run at full production. Currently the uranium mining industry only sup-plies 110 million pounds of the demanded quantity. The remaining 70 mil-lion pounds are coming from secondary sources such as decommissioned nuclear

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17

Winfield, Catherine (Catherine Anne). "Autopoietic landscapes : the architectural implications of mining the Marcellus Shale." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/79137.

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Thesis (M. Arch.)--Massachusetts Institute of Technology, Dept. of Architecture, 2013.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (p. 114-115).<br>Hydraulic fracturing, a form of natural gas extraction, is a process deeply embedded in the networks of politics, power, economics, energy, infrastructure, and land use. Hydraulic fracturing has become a standard practice by energy companies lookin

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18

Oisalu, Ott, and Taavi Lõhmuste. "STABILITY ANALYSIS OF A LONGWALL MINING IN NARVA OIL SHALE MINE." Thesis, Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-65372.

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Oil shale industry in Estonia is looking at other mining technologies as alternative to strip mining and room and pillar mining methods. One such alternative to the room and pillar method is the punch-longwall mining method. Enefit Kaevandused AS, one of the major oil shale companies in Estonia, plans to employ this technology in exploiting some of its resources in the near future. This thesis examines the different stability problems related to the planned punch-longwall mining project in Narva oil shale mine. Determining optimal chain pillar dimensions and stability of the punch-longwall hig

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19

Luud, Aarne. "Evaluation of moose habitats and forest reclamation in Estonian oil shale mining areas /." Online version, 2006. http://dspace.utlib.ee/dspace/bitstream/10062/684/5/luudaarne.pdf.

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20

Shepard, Michael. "Shale and Family Through the Boom and Bust: Shale Employment’s Impact on Marriage, Divorce, and Cohabitation." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1523873757214608.

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21

De, Witt Jan Daniel. "The relevance of corporate entrepreneurship in share price performance : a mining industry study." Diss., University of Pretoria, 2019. http://hdl.handle.net/2263/76032.

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The South African mining industry, along with international trends, has showed an alarming decline with negative consequences on economic growth, as well as negative socio-economic impacts. However, the reliance on mining in South Africa is still significant, and ways are being investigated to prolong the industry’s life and maximise the benefits which it still holds. As production levels reduce, more dependence is placed on the underlying commodity prices to facilitate share price growth, and to provide investors with an acceptable return. With this in mind, corporate entrepreneurship (CE) be

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22

Felin, Rémi. "Découverte évolutive de connaissance à partir de graphes de données RDF." Electronic Thesis or Diss., Université Côte d'Azur, 2024. https://theses.hal.science/tel-04874737.

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Les graphes de connaissance sont des collections de descriptions interconnectées d'entités (objets, événements ou concepts). Ils mettent les données en contexte par le biais de liens sémantiques, fournissant ainsi un cadre pour l'intégration, l'unification, l'analyse et le partage des données. Aujourd'hui, nous disposons d'un grand nombre de graphes de connaissance riches en données factuelles, dont la construction et l'enrichissement est une tâche relativement bien maîtrisée. Ce qui est plus difficile et plus coûteux, c'est de doter ces graphes de schémas, règles et contraintes qui permettent

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23

Gurgenli, Hakan. "Geomechanical and weathering properties of weak roof shales in coal mines." Morgantown, W. Va. : [West Virginia University Libraries], 2006. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=4717.

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Thesis (M.S.)--West Virginia University, 2006.<br>Title from document title page. Document formatted into pages; contains ix, 99 p. : ill. (some col.), maps (part col.). Includes abstract. Includes bibliographical references (p. 77-81).

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24

Song, Meining. "Understanding the mechanisms of oxidation of pyritic shale in mining waste and the influence of shale properties on acid mine drainage in the Pilbara Basin." University of Western Australia. Centre for Petroleum, Fuels and Energy, 2010. http://theses.library.uwa.edu.au/adt-WU2010.0107.

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[Truncated abstract] The influence of environmental conditions and properties of pyritic shale in the mining waste from Mt. Whaleback in Western Australia, in particular the inclusions and encapsulation of pyrite on the oxidation of pyritic shale and its subsequent acid mine drainage, was studied by employing an isothermal batch reactor system and QEMSCAN technique. The experimental technique was validated by comparing the experimental results obtained in this study with the literature data. It was found that the presence of water significantly accelerates the rate of shale oxidation. Weatheri

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25

Wilke, Daniel Nicolas. "Approaches to accommodate remeshing in shape optimization." Thesis, University of Pretoria, 2010. http://hdl.handle.net/2263/24270.

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This study proposes novel optimization methodologies for the optimization of problems that reveal non-physical step discontinuities. More specifically, it is proposed to use gradient-only techniques that do not use any zeroth order information at all for step discontinuous problems. A step discontinuous problem of note is the shape optimization problem in the presence of remeshing strategies, since changes in mesh topologies may - and normally do - introduce non-physical step discontinuities. These discontinuities may in turn manifest themselves as non-physical local minima in which optimizati

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26

Puura, Erik. "Weathering of mining waste rock containing alum shale and limestone : a case-study of the Maardu dumps, Estonia /." Stockholm, 1998. http://www.lib.kth.se/abs98/puur0526.pdf.

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27

Sorea, Miruna-Ştefana. "The shapes of level curves of real polynomials near strict local minima." Thesis, Lille 1, 2018. http://www.theses.fr/2018LIL1I055/document.

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Nous considérons une fonction polynomiale de deux variables réelles qui s’annule à l’origine et qui a un minimum local strict en ce point. Nous nous plaçons dans un voisinage de l’origine dans lequel les lignes de niveau non nulles de cette fonction sont des courbes de Jordan lisses. Chaque fois que l’origine est un point critique de Morse, les niveaux suffisamment petits deviennent des bords de disques convexes. Si l’origine n’est pas de Morse, ces courbes de niveau peuvent ne pas être convexes, comme l’a montré Coste.Le but de cette thèse est double. Tout d'abord, nous nous intéressons à la

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28

Vrľáková, Dominika. "Fundamentální akciová analýza vybraných společností těžících zlato." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2017. http://www.nusl.cz/ntk/nusl-316870.

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The diploma thesis deals with fundamental share analyss in order to propose a variant of investing in shares of selected gold mining companies. The subject is macroeconomic analysis of the environment in which selected gold mining companies operate, gold industry analysis and company analysis comprising evaluation of the development of corporate indicators and their issued shares. On the basis of these analyzes ind inter-company comparison, the most profitable options will be proposed to the management of the hedge fund.

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29

Мрозек, Р. Є. "Удосконалення техніки та технології відбору керна в похилоспрямованих та горизонтальних свердловинах". Thesis, Івано-Франківський національний технічний університет нафти і газу, 2004. http://elar.nung.edu.ua/handle/123456789/4046.

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Захищається 12 наукових праць, які містять теоретичні дослідження в області технічних засобів та технології відбору керна в похило спрямованих та горизонтальних свердловинах. Розроблено нову методику розрахунку спеціальних компоновок з метою стабілізації та корегування зенітного кута при відборі керна в свердловинах з великими зенітними кутами. Вперше удосконалено технічні засоби та технологію процесу буріння з відбором керна в горизонтальних та похило спрямованих свердловинах, що забезпечує високу ефективність відбору керна. Розроблено техніко-технологічний комплекс, що дозволяє проводити від

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30

Altun, Naci Emre. "Beneficiation Of Himmetoglu And Beypazari Oil Shales By Flotation And Their Thermal Characterization As An Energy Source." Phd thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/2/12606990/index.pdf.

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Processing of Bolu-Himmetoglu (Type I Kerogen) and Ankara-Beypazari (Type II Kerogen) oil shales by flotation techniques were investigated for achieving clean solid fuel substitutes. Materials characterization was done through mineralogical, XRD and FTIR analyses. Flotation responses of the samples were tested with non-ionizing and ionizing collectors of cationic and anionic types. The effects of the collector dosage and pulp pH on cleaning were determined. Other important flotation parameters, conditioning time, flotation time, pulp density, particle size and frother dosage were encountered u

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31

GRASSI, Estephanie Nobre Dantas. "Comportamento termomecânico de minimolas superelásticas de NiTi: Influência de tratamentos térmicos." Universidade Federal de Campina Grande, 2014. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/517.

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Submitted by Johnny Rodrigues (johnnyrodrigues@ufcg.edu.br) on 2018-04-27T15:46:57Z No. of bitstreams: 1 ESTEPHANIE NOBRE DANTAS GRASSI - DISSERTAÇÃO PPGEM 2014..pdf: 4659811 bytes, checksum: 9dce2fd88b57abcccbb5be6fa913cf1b (MD5)<br>Made available in DSpace on 2018-04-27T15:46:57Z (GMT). No. of bitstreams: 1 ESTEPHANIE NOBRE DANTAS GRASSI - DISSERTAÇÃO PPGEM 2014..pdf: 4659811 bytes, checksum: 9dce2fd88b57abcccbb5be6fa913cf1b (MD5) Previous issue date: 2014-08-01<br>CNPq<br>Capes<br>As Ligas com Memória de Forma (LMF) são um importante grupo de materiais metálicos ativos que respondem a es

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32

Smedborn, Paulsson Eva. "Potential för produktion av surt lakvattten och kvantifiering av kvävelakning från restprodukter från gruvindustrin: En fallstudie från Kiirunavaara-gruvan." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-294844.

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Gruvavfall, i form av gråberg, från Kiirunavaara-gruvan i Kiruna, norra Sverige undersöktes för att se om surt lakvatten kan bildas från gråberget och om detta kan ha en påverkan på hur mycket kväve som kan lakas ut från gråberget. För detta ändamål gjordes dels en mineralogisk undersökning av gråberget, med siktning, röntgendiffraktion (XRD) och grundämnesanalys och dels laborativa skakförsök. Från skakförsöken, där olika kornstorlekar (8-16 mm, 2-4 mm och mindre än 1 mm) blandades med avjoniserat vatten med L/S-kvoten 10, kunde förändringar i pH, alkalinitet och lösta joner undersökas över e

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33

Gallardo, Luna Oscar. "Steering system for a neurosurgical microrobot." Electronic Thesis or Diss., Valenciennes, Université Polytechnique Hauts-de-France, 2024. http://www.theses.fr/2024UPHF0036.

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Les outils neurochirurgicaux actuels sont limités par leur structure rigide, qui les contraint à des trajectoires en ligne droite, rendant difficile l'accès aux régions profondes du cerveau. Pour répondre à cette limitation, Robeauté a développé un microrobot minimalement invasif, capable de naviguer le long d'une trajectoire 3D. Cette thèse vise à concevoir, fabriquer et intégrer un système de navigation au bout du microrobot pour permettre cette navigation 3D.Le cahier des charges pour le développement du système de navigation inclut une invasivité minimale, une force suffisante pour oriente

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34

Schlothmann, Daniel. "Kurz- und langfristige Angebotskurven für Rohöl und die Konsequenzen für den Markt." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2016. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-201396.

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In dieser Arbeit wurden Angebotskurven für 22 bedeutende Ölförderländer ermittelt und anschließend zu globalen Angebotskurven aggregiert. Gemäß den ermittelten Angebotskurven sind nahezu alle gegenwärtig in der Förderphase befindlichen Ölprojekte in den Untersuchungsländern auch beim aktuellen Ölpreis von 35 bis 40 US-$ je Barrel unter Berücksichtigung der kurzfristigen Grenzkosten rentabel. Sollte der Ölpreis jedoch in den kommenden Jahren auf diesem Niveau verharren, wird es bis zum Jahr 2024 zu einem Angebotsengpass auf dem globalen Ölmarkt kommen, da zur Deckung der zukünftigen Nachfrage d

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Novotná, Eliška. "Porovnání české společnosti s ručením omezeným a jejího založení a vzniku s Gesellschaft mit beschrankten Haftung (GmbH) v SRN." Master's thesis, Vysoká škola ekonomická v Praze, 2011. http://www.nusl.cz/ntk/nusl-114227.

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This master dissertation is dedicated to the main characteristics and to the process of establishment of Private Limited Company in the Czech Republic and Germany and to the comparison of these two national legal forms. The goal of this work is to compare Czech and German Ltd. in a very clear way, so the reader can understand what the differences of this type of company in the national legal forms mentioned above are and what have on the contrary in common. The work deals also with the Czech and German Ltd. in separated chapters in order to be the comparison for the reader comprehensible. In t

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shih, Ming-Feng, and 石明峯. "Mining association rules between customers and elements of products’ shape -The case study of Mobile Phone." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/98560717912758345917.

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碩士<br>國立成功大學<br>工業設計學系碩博士班<br>95<br>Data Mining is a technology which extracts useful or worthy information from large volumes of data. The applications of Data Mining in commerce and management have been operated generally. Mining association rules which is to find out the association between objects or attributes of the target have been applied on Market Basket Analysis and Customer Relationship Management to support the operations of commerce and management. It will be more accurately to design appropriate products for the particular customers if designers know the associations between the

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Matuszyk, Timothy Ian. "Shape characterisation of sheet metal assembly variation with a view to quality assessment and dimensional control." Phd thesis, 2008. http://hdl.handle.net/1885/9012.

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Sheet metal assembly is a complex process involving component-to-component and component-to-tooling interactions. A key characteristic of sheet metal assemblies, the flexibility of components, means that variation does not stack-up according to the additive theorem of variance that applies to rigid bodies. Instead, components can be bent and distorted into conforming or non-conforming shapes by assembly interactions. This characteristic of flexibility also means that in comparison to rigid body assembly, additional aspects of the assembly process, such as clamp sequence and weld sequence

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Lin, Shih Hsiang, and 林士翔. "DARM: Doughnut-shaped Association Rule Mining." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/54386438560648611106.

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碩士<br>長庚大學<br>資訊管理學研究所<br>97<br>This is the age of “Information Explosion”. We can easier to get more and more information. Information visualization research is to be valuable for conveniently presenting the infinite information. It is often seen the information visualization products like maps, signs, graphs in our life. Information visualization can also use in data mining methodology. Data mining is often called knowledge discovery. Association rule mining is the most famous data mining method. Association rule mining is used to discover all associations among items. However, user can not

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Diale, Makatane Kagisho Jacob. "Employee share-ownership plans in the mining industry - a new approach to ESOPS." Thesis, 2017. http://hdl.handle.net/10539/23621.

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A research report submitted to the Faculty of Engineering and the Built Environment, University of the Witwatersrand, Johannesburg, in partial fulfilment of the requirements for the degree of Master of Science in Engineering, 2017<br>Empowerment of previously disadvantaged groups has been applied in many countries, in order to achieve specific political, economic and social outcomes. Group preferences and preferential policies are common in developed and developing countries under various names. They have been mostly implemented in countries where a specific ethnic, religious, or gender

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Hsieh, Wan-Yen, and 謝宛宴. "The Correlation of News and Share Price : Analysis of ADDcn by Text Mining." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/87tw9b.

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Makinde, O. A. "Functionality assessment of a reconfigurable vibrating screen." 2014. http://encore.tut.ac.za/iii/cpro/DigitalItemViewPage.external?sp=1001517.

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M. Tech. Industrial Engineering<br>The Reconfigurable Vibrating Screen is a newly designed beneficiation machine to be used for mineral particle separation in mines and quarries with adjustable screen capacity and structure in order to respond to changes in production and quantity demand required by the customers. In order to increase the durability, availability, reliability and maintainability of a reconfigurable vibrating screen, an effective method is required to functionally appraise and improve its working condition. The aim of this study is to develop a tool for functionally assessing r

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Dougall, André William. "Employee participation in the wealth of mining companies : an employee share ownership participation scheme focus." Thesis, 2014. http://hdl.handle.net/10210/9000.

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M.B.A.<br>The importance of a free market in a post apartheid South Africa has been acknowledged. The benefits should be spread so that all individuals may be able to share in the wealth generated by the people within the country. Privatization is one mechanism for redistributing the wealth of the State, and the use of an Employee Share Ownership Participation Scheme (E.S.O.P.S.) is away in which the wealth can be spread over a large proportion of the population. This was a basic policy of Thatcher's Government in the U.K. The same rationale is apt for the South African situation. An E.S.O.P.S

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Olivier, Natasja. "A share selection framework for investors in the mining sector of JSE (Ltd) / Anna Maryna Olivier." Thesis, 2011. http://hdl.handle.net/10394/11095.

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Shareholder wealth creation is a topic taught in MBA programmes. This paper documents the development of a share selection framework in order to construct an alpha portfolio within the general mining sector of the JSE limited. The relationship between fundamental analysis indicators, such as book value per share, earnings per share and intrinsic value, and the average annual share price is determined in order to build a linear regression model. The model is applied to the general mining sector to test its effectiveness. Criteria are set for each indicator to identify companies from this sector

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Sennanye, Lesang. "The impact of black economic empowerment transaction announcements on share price performance of JSE listed mining companies." Diss., 2014. http://hdl.handle.net/2263/45030.

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The South African government introduced the Black Economic Empowerment (BEE) as an intervention to resolve economic imbalances. In furthering inclusivity in the previously exclusive sectors, like Mining, the BEE legislations and Mining Charter were introduced to benefit the HDSA. The study addressed a significant gap in BEE research, which is important within the South African context, as the country currently reviews progress after the initial 20 years of democratic dispensation. The research examined the share price performance of mining stocks listed on the JSE by tracking their shar

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Maraisane, Phomolo. "The impact of earnings announcements on share prices of mining companies listed on the Johannesburg Stock Exchange." Diss., 2016. http://hdl.handle.net/10500/22456.

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The study examined the impact of earnings announcements on the share price of selected mining companies using the most recent data from the Johannesburg Stock Exchange. This study covered a period from 1 January 2011; to 31 December 2015. Using the classical event study methodology, the speed of reaction of the market to annual earnings information releases for a sample of 27 companies listed on the exchange is tested. Over the sample period, the Abnormal Returns (AR), Average Abnormal Returns (AAR) and Cumulative Average Abnormal Returns (CAAR) were calculated. The AR, AAR and CAAR sho

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Ramatsetse, Boitumelo. "Development of a reconfigurable vibrating screen." 2014. http://encore.tut.ac.za/iii/cpro/DigitalItemViewPage.external?sp=1001520.

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M. Tech. Industrial Engineering<br>The ability to respond to changes and uncertainty in production demands currently constitutes a crisis in small and medium scale mining industries in South Africa. The case study of various mining and mineral processing site visits which was carried out revealed that the existing conventional screening methods are not scalable or able to be integrated and have limited processing capacity, which constitutes a high production cost on a long-term basis. In view of this, the Reconfigurable Vibrating Screen machine was designed and manufactured with the intension

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Hordijk, Wim, José F. Fontanari, and Peter F. Stadler. "Shapes of tree representations of spin-glass landscapes." 2003. https://ul.qucosa.de/id/qucosa%3A32950.

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Much of the information about the multi-valley structure of disordered spin systems can be convened in a simple tree structure - a barrier tree - the leaves and internal nodes of which represent, respectively, the local minima and the lowest energy saddles connecting those minima. Here we apply several statistics used in the study of phylogenetic trees to barrier trees that result from the energy landscapes of p-spin models. These statistics give information about the shape of these barrier trees, in particular about balance and symmetry. We then ask if they can be used to classify different t

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Tuguldur and Tuguldur Unenbat. "A Study on the Determining Factors that Affect Public Intention to Use Facebook to Share Environmental Health Risk Caused by Mining Industry in Mongolia." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/09962642345651578779.

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碩士<br>國立東華大學<br>企業管理學系<br>103<br>Over the last 20 years, mining sector has been developing rapidly in Mongolia. However it is the main export of Mongolia, economic growth rate reached, mine can upset the social balance of local communities, impacting local water supplies and resource availability. Consequently many Mongolians are less optimistic about the benefits of mining, and their concerns are legitimated by the negative impacts that mining projects are already causing. Many researchers criticize Mongolian traditional media that they already make contrasts with mining corporations and do n

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Hillis, Kevin Ross. "The appraisal remedy and the determination of fair value by the courts." Diss., 2014. http://hdl.handle.net/10500/13347.

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This paper examines the different share valuation methods and principles likely to be used by a court in determining the fair value of dissenting shareholders’ shares in appraisal proceedings in terms of section 164(14) of the Companies Act 2008. It is submitted that the valuation principles and methods used by the courts will affect the operation of the triggering actions contemplated in subsections 164(2)(a) - (b). It is proposed that section 164 court appraisals are likely to be guided by the valuation methods and principles developed in section 252 and section 440K court appraisals under

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