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Dissertations / Theses on the topic 'Coal firm'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Garrison, Trent. "The Environmental Effects of Coal Fires." UKnowledge, 2015. http://uknowledge.uky.edu/ees_etds/31.

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There are thousands of subterranean coal fires in the world that, because of incomplete combustion, emit a wide variety of volatile and semivolatile organic compounds to the atmosphere, water, and soil at concentrations that could pose health risks to humans and wildlife. The main goals of this study were to (1) review methods that are used to characterize physical and chemical characteristics of coal-fire sites, (2) determine relationships between gas emissions and physical and chemical characteristics of coal-fire sites, using a combination of regression and multivariate statistical methods,

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2

Zafar, Muhammad Asif, and Zeshan Aslam Khan. "Fire Detection in Coal Mines Using WSN." Thesis, Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-5030.

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<p>Fire Detection in Coal Mines Using WSN is an application for monitoring and detection of fire in coal mines using wireless sensor networks. The application uses BDI (Belief, Desire and Intention) based multi agent model and its implementation on sensor networks. The Language which is interpreted by Jason is an extension of AgentSpeak; this is based on the BDI Architecture. The BDI agents are reactive planning systems, systems that are not meant to compute the value of a function and terminate, but rather designed to be permanently running, reacting to some form of event. The distributed mod

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3

Isaacs, Bruce. "Film Cool: Towards a New Film Aesthetic." Thesis, The University of Sydney, 2006. http://hdl.handle.net/2123/1156.

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The influential theorist, David Bordwell, talks about various modes of watching film: the intellectual, the casual, or the obsessive interaction with cinema practiced by the film-buff. This thesis is an attempt to come to terms with film and film culture in a number of ways. It is first an attempt at reinscribing a notion of aesthetics into film studies. This is not an easy task. I argue that film theory is not adequately equipped to discuss film in affective terms, and that instead, it emphasises ways of thinking about film and culture quite removed from the act of film ‘spectating’ – individ

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4

Isaacs, Bruce. "Film Cool: Towards a New Film Aesthetic." English, School of Letters, Art and Media, 2006. http://hdl.handle.net/2123/1156.

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PhD<br>The influential theorist, David Bordwell, talks about various modes of watching film: the intellectual, the casual, or the obsessive interaction with cinema practiced by the film-buff. This thesis is an attempt to come to terms with film and film culture in a number of ways. It is first an attempt at reinscribing a notion of aesthetics into film studies. This is not an easy task. I argue that film theory is not adequately equipped to discuss film in affective terms, and that instead, it emphasises ways of thinking about film and culture quite removed from the act of film ‘spectating’ –

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5

Tetzlaff, Anke. "Coal fire quantification using ASTER, ETM and BIRD satellite instrument data." Diss., [S.l.] : [s.n.], 2004. http://edoc.ub.uni-muenchen.de/archive/00004398.

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6

Wallace, Morgan. "Cool Moms & Cool Media: Returning to." Scholar Commons, 2018. http://scholarcommons.usf.edu/etd/7241.

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I posit that contemporary fears about the effect electronic media has on us and our children is anything but new. Therefore, reminiscing about the "good ole days" and wanting to go back would not actually solve the problem. However, looking back to a time when there was also anxiety about electronic media and the shifting field of public and private may reveal new possibilities for relating to and with these media. Rather than flatly blame media as an apparently new cause of harm, it is essential to reveal media's historical and political conditions, only in this way can we better assess its p

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7

Eyu, Gaius Debi. "Flow-assisted corrosion in coal seam gas infrastructure." Thesis, Queensland University of Technology, 2017. https://eprints.qut.edu.au/112500/1/Gaius%20Debi_Eyu_Thesis.pdf.

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This thesis contributes to investigation of some critical factors that affect the corrosion behaviour of mild steel in coal seam gas (CSG) produced water (single phase) and explores mitigation approaches using eco-friendly corrosion inhibitors. This work includes the study of the effect of surface roughness, fluid flow, surface roughness, immersion time, water chemistry (bicarbonate ion, chloride ion and dissolved oxygen) on the electrochemical behaviour of mild steel in CSG-produced water and simulated conditions using rotating disc electrode (RDE). Ipomoea batatas leaf extract (IBLE) and the

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8

Abid, Adil R. "Thin film encapsulants for gallium arsenide." Thesis, University of Surrey, 1987. http://epubs.surrey.ac.uk/847124/.

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The problems associated with the use of ion implantation during the preparation of compound semiconductors have been examined. In particular, the use of an encapsulant as protection during annealing was considered and the properties and ease of preparation of the ideal encapsulant were studied. Among the experimental techniques used to study the surface of thin film coatings on the semiconductors materials, reflection high energy electron diffraction (RHEED) was extremely useful in allowing the study of thin layers. Other techniques used in the work included scanning electron microscopy (SEM),

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9

Rava, Eleonora Maria Elizabeth. "Bioaugmentation of coal gasification stripped gas liquor wastewater in a hybrid fixed-film bioreactor." Thesis, University of Pretoria, 2017. http://hdl.handle.net/2263/62789.

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Coal gasification stripped gas liquor (CGSGL) wastewater contains large quantities of complex organic and inorganic pollutants which include phenols, ammonia, hydantoins, furans, indoles, pyridines, phthalates and other monocyclic and polycyclic nitrogen-containing aromatics, as well as oxygen- and sulphur-containing heterocyclic compounds. The performance of most conventional aerobic systems for CGSGL wastewater is inadequate in reducing pollutants contributing to chemical oxygen demand (COD), phenols and ammonia due to the presence of toxic and inhibitory organic compounds. There is an ever-

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10

Loomis, Ian Morton. "Application of water mist to fuel-rich fires in model coal mine entries." Thesis, This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-01102009-063037/.

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11

Morris, R. "Spontaneous combustion in coal mines and the interpretation of the state of a mine fire behind the stoppings." Thesis, University of Nottingham, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376641.

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12

Schram, Katherine Elisabeth. "Images and Voices from the Cumberland Mountains: Surface Coal Mining and the Evolution of Appalshop's Documentary Activism." Digital Commons @ East Tennessee State University, 2005. https://dc.etsu.edu/etd/1056.

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Since the early 1970s, Appalshop, a regional film workshop in Whitesburg, Kentucky, has been examining social, economic, and environmental issues important to the people of Appalachia. Appalshop’s goal has always been to give a voice to a community that is often stereotyped and misunderstood by the media. Since its creation, Appalshop has devoted ample attention to the practice of surface mining, its potential consequences to the region, and most importantly, local opposition to the practice. While Appalshop’s early surface mining documentaries are focused on educating the general public about

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13

Ai, Weiguo. "Deposition of Particulate from Coal-Derived Syngas on Gas Turbine Blades Near Film Cooling Holes." Diss., CLICK HERE for online access, 2009. http://contentdm.lib.byu.edu/ETD/image/etd3148.pdf.

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14

Hadden, Rory. "Smouldering and self-sustaining reactions in solids : an experimental approach." Thesis, University of Edinburgh, 2011. http://hdl.handle.net/1842/5587.

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Smouldering combustion governs the burning of many materials in the built and natural environments. Smouldering is flameless, heterogeneous combustion which occurs when oxygen reacts with the surface of a solid fuel. Understanding the conditions which will result in the ignition and smouldering of a porous fuel is important and the phenomena involved are complex and coupled, involving heat and mass transfer, and chemical kinetics. This thesis reports experimental studies of the ignition, spread, suppression and emissions from reactions in porous media. Similar experimental techniques are shown

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15

Lindsay, Clifford Fry. "The Measurement of Decomposition Products of Select Gases as an Indicator of a Concealed Mine Fire." Diss., Virginia Tech, 2014. http://hdl.handle.net/10919/51091.

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Currently, techniques used to determine whether or not there is a concealed fire in an inaccessible area of a coal mine are not definitive. Inaccessible areas of coal mines include: 1. A mined-out area, such as a long-wall gob. 2. A mine area, or entire mine, that has been sealed to extinguish a fire. 3. The interior of pillars in a mine. 4. Abandoned mines. Mined-out areas — gobs — are particularly problematic. The standard practice is to obtain measurements for certain gas concentrations from an inaccessible area, and to apply certain rules to the obtained concentrations in order

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16

Laycock, Robert. "Particle Deposition Behavior from Coal-Derived Syngas in Gas Turbines at Modern Turbine Inlet Temperatures." BYU ScholarsArchive, 2017. https://scholarsarchive.byu.edu/etd/6519.

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Certain types of fuel used for combustion in land-based gas turbines can contain traces of ash when introduced into a gas turbine. Examples include synfuel, from the gasification of coal, and heavy fuel oil. When these ash particles travel through the hot gas path of the gas turbine they can deposit on turbine vanes and blades. As deposits grow, they can reduce turbine efficiency and damage turbine hardware. As turbine inlet temperatures increase, ash deposition rates increase as well.Experiments were conducted in the Turbine Accelerated Deposition Facility (TADF) at Brigham Young University t

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17

Ouřadová, Pavla. "Marketingová strategie firmy Kofola, a.s." Master's thesis, Vysoká škola ekonomická v Praze, 2011. http://www.nusl.cz/ntk/nusl-113324.

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The objective of this thesis is to monitor and to describe marketing strategy of Kofola company on the Czech market, especially the marketing strategy of Kofola brand, to analyze it and make suggestions how to improve it. The thesis is divided into three main parts. The first part is theoretical. The second part describes Kofola company and its brand. This part is focused primarily on description of brand marketing strategy. The third part of the thesis is dedicated to research. The research includes PEST analysis, SWOT analysis, marketing mix analysis, analysis of marketing communications and

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18

Tan, Oui Hong. "The development of a monitoring and control system for a pulverised coal-fire burner using neural network approach." Thesis, University of South Wales, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.416611.

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19

Hodalski-Champagne, Lynne M. "Tampa Electric Company's Big Bend Utility Plant in Hillsborough County, Florida: A Case Study." Scholar Commons, 2015. http://scholarcommons.usf.edu/etd/5703.

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This is an in-depth analysis of coal fire burning power plants, their effects on human health and the environment. It also employed case study data from Tampa Electric Company’s Big Bend facility to examine environmental infractions at that facility. Tampa Electric Company’s Big Bend Utility Plant, violated the Clean Air Act, which led to a lawsuit filed by the Department of Justice on behalf of the United States Environmental Protection Agency and the Florida Department of Environmental Protection in 1997. This case study details the lawsuit, and subsequent settlement as well as Tampa Elec

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20

Fransson, Nea, and Hedvig Kahlin. "Inte så cool längre coolaste apan i djungeln : Varumärkesbild och attityder." Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-14653.

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I början av året 2018 lanserade modeföretaget H&M en kampanjbild där en mörkhyad pojke bar en tröja med texttrycket ”Coolest monkey in the jungle”. Bilden fick global spridning, H&M kritiserades av media och på företagets egna sociala kanaler ramlade kommentarer in av både positiva och negativa ordalag. H&M publicerade därefter tre inlägg där företaget tog på sig ansvaret för incidenten och bad om ursäkt. Sociala medier karaktäriseras av öppna kommentarsfält där användare och besökare fritt kan uttrycka sina åsikter, samtidigt som detta innebär ett minerat landskap för företag som

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21

Čapek, Michal. "Marketingové řízení obchodních firem, budování efektivních kooperací s využitím konceptu Category managementu." Doctoral thesis, Vysoká škola ekonomická v Praze, 2010. http://www.nusl.cz/ntk/nusl-191813.

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Dissertation presents theoretical approaches to category management including the definition of its 8-step process. The implementation of category management is shown on examples of the Coca-Cola company, which support functionality of suggested methodology and objectives from the beginning of this dissertation.

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22

Barone, Jessica Lynn. "Petrological and geochemical analysis of coal mine spoil to determine the source of magnesium-rich groundwater, Star Fire Mine, Eastern Kentucky." Virtual Press, 2000. http://liblink.bsu.edu/uhtbin/catkey/1189406.

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The Star Fire Coal Mine is a large strip mining operation (10,000 acre permit) that produces mine spoil consisting of sandstones, shales, siltstones, and underclays of the Pennsylvanian Breathitt Formation. Chemical analysis of groundwater from the saturated mine spoil show unusually high magnesium concentrations, with magnesium constituting between 27 and 47 percent of the major cations. Excess magnesium in water is detrimental to plant metabolism, and its content in groundwater may limit its use for irrigation and other uses during a post-mining land use plan. Petrological methods (thin sect

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23

Přibyl, Lukáš. "Optimalizace výrobního procesu ve firmě Zambelli-technik s.r.o." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2008. http://www.nusl.cz/ntk/nusl-264885.

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This master’s thesis presents production process optimization in Zambelli – technik s.r.o. company acting on metal production and work metal in České Budějovice. The aim of optimization is to secure continuous input flow of material into production. It compares current material costs with material costs after the optimization, that consists in sheetmetal coil handling and cutting machine purchase.

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24

Liu, Chunhang. "Globalisation, value chains and firm-level catch-up in developing countries : the cases of Boeing, Wal-Mart and Coca-Cola in China." Thesis, University of Cambridge, 2005. https://www.repository.cam.ac.uk/handle/1810/265476.

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This dissertation examines the recent changes in global business structure and the implications for catch-up at the firm level in developing countries through the case studies of Boeing, Wal-Mart and Coca-Cola and the impact of their activities in China. The case studies investigate the strategies of these fi1111S, the resulting value chain structures, and the patterns and impact of their activities in China. Data is collected from interviews with company management, value chain partners, and relevant regulatory bodies, supplemented by information from public sources. The research aims to cont

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25

Johansson, Katarina. "Fatty acid methyl esters as reactive diluents in solvent-borne thermally cured coil-coatings." Licentiate thesis, Stockholm, Chemical Science and Engineering, KTH, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4094.

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26

Koestner, Karen A., Daniel G. Neary, Gerald J. Gottfried, and Ruben Morales. "Characteristics and Behavior of a Cool-Season Prescribed Fire in The Oak Savannas of the Southwestern Borderlands." Arizona-Nevada Academy of Science, 2008. http://hdl.handle.net/10150/296689.

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27

Brink, Andries Petrus. "Strategies engaged by a South African beverage organisation entering African markets." Thesis, Nelson Mandela Metropolitan University, 2005. http://hdl.handle.net/10948/410.

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Africa is acknowledged as a vast, untapped market for consumer goods as trade barriers are coming down and economies are starting to develop. The need for consumer goods arises with economic activity. This poses the following question, which will be addressed by this research: How can potential African consumer markets be successfully unlocked by a South African beverage organisation, thereby reducing risk of failure and eliminating the cost of a hit-and-miss approach? The secondary study focused on evaluating the aspects involved with risks and the modes of entry into foreign markets. The mac

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28

Sarma, Sreedhara. "Fluid Mechanics of High Speed Deformable Roll coating. An experimental and theoretical study of film thickness and stability in high speed deformable roll coating flow with Newtonian and non-Newtonian liquids." Thesis, University of Bradford, 2015. http://hdl.handle.net/10454/14842.

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29

Watkins, Eric Andrew. "Development of Potential Remote Coal Mine Fire Response Measures: Use of Multiple Passive Source Tracers and Simulation of High Expansion Foam Flow in Simulated Gob Material." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/83788.

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This thesis examines potential improvements to current coal mine fire response measures. In the event of a fire scenario, indirect testing and analysis of the exhausting air is needed to characterize changes in the fire. The application of multiple passive source tracers provides improved detail of complex ventilation interactions over an extended period of time. The first work in this thesis details the testing of the passive release rates for three Perfluorocarbon tracer compounds over a 180-day period. The results of this study demonstrate the ability for the permeation plug release vessel

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Johansson, Katarina. "Thermally cured coil-coatings utilizing novel resins and fatty acid methyl esters as reactive diluents." Doctoral thesis, KTH, Fiber- och polymerteknik, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4857.

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Solvent-borne thermally cured coil-coating resins contain large amounts of volatile organic solvents in order to obtain suitable flow for film application. This work describes how the expensive and environmental hazardous volatile organic solvent content of a solvent-borne thermally cured polyester/melamine coil-coating system can be reduced by introduction of fatty acid methyl esters (FAMEs) as reactive diluents and modification of the polyester binder resin. The evaluated reactive diluents, two rape seed methyl esters (RMEs), two linseed oil methyl esters (LMEs), and a tall oil methyl ester

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31

Lucas, Justin. "Beneath the cape and cowl: Batman and the revitalization of comic book films." Ohio University Honors Tutorial College / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ouhonors1244074493.

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32

Jones, Leonie E. "`The Greatness and the Smallness of their Story': Developing an Oral History Interactive Documentary Creative Practice telling the Battle of Coral Balmoral, Vietnam 1968." Thesis, Griffith University, 2020. http://hdl.handle.net/10072/399976.

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This research explores the interconnection between oral history, documentary film and the emerging field of interactive documentary as an interdisciplinary creative strategy for telling factual stories of war and trauma. In doing so, it recognises the problematic nature of broadcast television documentary where uneven power structures can negatively affect authorship and story. The objective of this research was to ease this tension with the development of a new creative practice model in the field of documentary story telling, as an alternative form of representation. The immediacy, polyvocal

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Benhadia, Abrehem M. A. "Evaluation of the critical parameters and polymeric coat performance in compressed multiparticulate systems." Thesis, University of Bradford, 2019. http://hdl.handle.net/10454/17459.

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Compression of coated pellets is a practical alternative to capsule filling. The current practice is to add cushioning agents to minimize the stress on the coated pellets. Cushioning agents however add bulkiness and reduce the overall drug loading capacity. In this study, we investigated the performance of compressed coated pellets with no cushioning agent to evaluate the feasibility of predicting the coat behaviour using thermo-mechanical and rheological analysis techniques. Different coating formulations were made of ethyl cellulose (EC) as a coating polymer and two different kinds of

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34

Cardiel, Christopher Louis. "Are We Cool Yet?: A Longitudinal Content Analysis of Nerd and Geek Representations in Popular Television." PDXScholar, 2012. https://pdxscholar.library.pdx.edu/open_access_etds/810.

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This study explores the representation of nerds and geeks in popular broadcast television programs over the course of the past twenty years. A content analysis of the five most popular scripted broadcast television programs for each year was conducted in order to assess the frequency of nerd characters, as well as the social competence, physical attractiveness, and demographic information of each such character. In addition, a supplemental survey design study was employed in order to collect public opinion data regarding perceptions of nerds in general and on television. The results of these s

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35

Ericsson, Mimmi, and Åsa Molin. "How to cool in the big pool : A qualitative study on how firms can implement collaborative consumption and promote sustainability to gain international competitive advantage." Thesis, Linnéuniversitetet, Institutionen för organisation och entreprenörskap (OE), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-45756.

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Research Questions: How can firms implement the phenomena of collaborative consumption in their value chain and promote sustainability as a core value to gain international competitive advantage? Purpose: The purpose of this thesis is to identify how a firm can successfully implement the concept of collaborative consumption into their value chain and how to promote sustainability to gain international competitive advantage. To gain deeper understanding of collaborative consumption, sustainability branding, value chain and international competitive advantage, the different terms will be examine

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Martins, Isabel Cristina dos Santos. "O ingresso de jovens nos Col?gios Tiradentes da Brigada Militar/RS : um sonho dos jovens ou s? um meio para se atingir a um fim?" Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2017. http://tede2.pucrs.br/tede2/handle/tede/7456.

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Submitted by Caroline Xavier (caroline.xavier@pucrs.br) on 2017-06-30T17:20:40Z No. of bitstreams: 1 DIS_ISABEL_CRISTINA_DOS_SANTOS_MARTINS_COMPLETO.pdf: 2515209 bytes, checksum: 2602c55ee8cc3f1d952ecd798d95ab17 (MD5)<br>Made available in DSpace on 2017-06-30T17:20:40Z (GMT). No. of bitstreams: 1 DIS_ISABEL_CRISTINA_DOS_SANTOS_MARTINS_COMPLETO.pdf: 2515209 bytes, checksum: 2602c55ee8cc3f1d952ecd798d95ab17 (MD5) Previous issue date: 2017-03-02<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES<br>This dissertation aim to meet the students of the CTBM ? Col?gios Tiradentes

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Cohu, Olivier. "Rhéologie des peintures et procédé de couchage au rouleau." Grenoble INPG, 1995. http://www.theses.fr/1995INPG0028.

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La maitrise du procede de couchage de peinture par machine a rouleaux contrarotatifs necessite la comprehension des phenomenes determinant l'epaisseur et l'aspect du film depose sur le substrat. Cela passe par le controle des proprietes rheologiques des peintures, dans les conditions de sollication correspondant au procede. Dans ce but, on developpe une methodologie adaptee au procede de laquage des aciers (coil-coating). Cela nous permet d'observer que les peintures pour coil-coating ont soit un comportement quasiment newtonien, soit sont thixotropes a seuil de contrainte. Des relations liant

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Garcia, Jose Daniel. "Characterization of greywater heat exchangers and the potential of implementation for energy savings." Thesis, KTH, Installations- och energisystem, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-191123.

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Buildings account for up to 32% of the total energy use in different countries. Directives from the European Union have pointed out the importance of increasing energy efficiency in buildings. New regulation in countries like Sweden establishes that new buildings should fulfill regulations of Nearly Zero Energy Buildings (NZEB), opening an opportunity for new technologies to achieve these goals. Almost 80-90% of the energy in domestic hot water use is wasted from different applications with almost no use and with a lot of potential energy to be recovered. The present work studied the character

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Urien, Mathieu. "Cellules photovoltaïques organiques à base de nouveaux copolymères à blocs rigide-flexible." Thesis, Bordeaux 1, 2008. http://www.theses.fr/2008BOR13636/document.

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Ce travail de recherche pluridisciplinaire a consisté en l'étude de cellules photovoltaïques organiques à base de nouveaux copolymères à blocs de type rigide-flexible. L'idée était de proposer une alternative aux mélanges donneur/accepteur, dont la morphologie en film est très difficile à contrôler, en élaborant de nouveaux matériaux conjugués capables de s'auto-organiser et de créer une nano-structuration de la couche active, permettant ainsi d'optimiser certains paramètres du processus photovoltaïque (dissociation de l'exciton, conduction des charges vers les électrodes). La première étape a

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French, Kyle J. "Growth of Optical Quality Lead Magnesium Niobate-Lead Titanate Thick Films." University of Dayton / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1575993750125728.

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41

Zukal, Zdeněk. "Bytový dům - Brno." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240116.

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The subject of the diploma thesis is to elaborate the design documentation of an apartment house with restaurant. The building is designed in the village of Lipůvka, South-Moravian region, on plot No.: 544/1 and 545/1 – cadastral region Lipůvka. The bulit-up area is 443,3 m2. There are four floors. There is restaurant, one housing unit (for persons with reduced mobility) and utility room in first above-ground floor. Second, third and fourth above-ground floor is for housing. Each of these three floors has three apartments – two apartments 3+k, one apartment 3+1. Entrance to every apartment is

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Georgiou, Jonathan. "Exploring the benefits of attracting, recruiting and retaining mature age employees up to and beyond the traditional age of retirement: Perspectives from Western Australia." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2015. https://ro.ecu.edu.au/theses/1632.

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There has been a recent upsurge in media attention surrounding Australia’s ageing workforce. A review of academic, media and grey literature highlighted inadequacies in existing workplace polices, as well as flaws in financial and social security schemes. Of particular concern were persistent negative attitudes and counterproductive policies regarding mature age employees (MAEs). Poor retention rates among this cohort of workers aged 45 years and over are leading to skilled labour shortages and losses in corporate knowledge. This expected mass exodus of mature cohorts into retirement has been

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Eichhorn, Niels Wilhelm. "Combustion modelling of pulverised coal boiler furnaces fuelled with Eskom coals." Thesis, 1998. http://hdl.handle.net/10539/22714.

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A dissertation submitted to the Faculty of Engineering, University of the Witwatersrand, Johannesburg, in fulfilment of the requirements for the degree of Master in Science in Engineering, Johannesburg September 1998<br>Combustion modelling of utility furnace chambers provides a cost efficient means to extrapolate the combustion behaviour of pulverised fuel (pf) as determined from drop tube furnace (DTF) experiments to full scale plant by making use of computational fluid dynamics (CFD). The combustion model will be used to assimilate essential information for the evaluation and predic

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Buessing, Marric Grace. "The role of location and contracts in firm governance and labor: an examination of the US coal industry." Thesis, 2014. https://hdl.handle.net/2144/15126.

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This dissertation explores empirically how external factors can influence the organizational structure of firms and how the structure a firm chooses can affect worker outcomes. The first chapter examines how a policy reform affected the organizational choices of firms. The MINER Act of 2006 resulted in increased scrutiny and penalties for underground coal mining operations relative to surface operations. In turn, this changed the incentives for coal preparation facilities to own these mines. Particularly, markets most affected by the reform saw an increase in ownership along an extensive ma

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Jonker, Markus Smith. "An assessment of the impact of dry and wet cooling systems on stake holders." Thesis, 2012. http://hdl.handle.net/10210/4329.

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M.Ing.<br>Water gives life. It waters the fields of farmers; it nurtures the crops and stock of rural communities; it provides recreation for our children, our friends, our families; it supports our power generation, our mines, our industry, and the plants and animals that make up ecosystems. Water is the key to development and a good quality of life in South Africa. South Africa's water belongs to its people. It is the task of the South African Government to care for this water, to seek its fair distribution, and to facilitate its wise use for, amongst other things, social and economical deve

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Mbugua, John Mwai. "Hydrogeochemical modeling of the speciation and leaching of fly ash co-disposed with water, brines and organics : a case study of Sasol-Eskom coal ash disposal, South Africa." Thesis, 2012. http://hdl.handle.net/10413/10174.

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Two coal utility plants in South Africa selected (one from Sasol and another from Eskom) for this study produce large volumes of fly ash (over 40 Mt from Eskom at Tutuka, and 3 Mt from Sasol Synfuels at Secunda annually), and brines as by-products during coal processing. Co-disposal of the brines and fly ashes has been a normal practice in these coal-utility plants for decades. Long-term management of fly ash is necessary and requires an understanding and knowledge of how the different waste materials interact with water and brines in different chemical situations. However the geochemistry of

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"Impact matrix construction for determining siting options for electricity generation systems." Thesis, 2015. http://hdl.handle.net/10210/14323.

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M.Sc.<br>This report details the identification of potential sites suitable for both renewable and non-renewable electricity generating technologies in South Africa. Eskom through its Integrated Electricity Planning Process (IEP) determines future-planning scenarios based on demand and supply side options, while considering expected growth in demand for electricity. Site suitability can have a significant influence on the viability of options selected through IEP ...

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Huang, Kuan-Ying, and 黃冠穎. "Investigation of water-soluble ions in coal fire boiler." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/29070235347229575629.

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碩士<br>國立高雄第一科技大學<br>環境與安全衛生工程所<br>93<br>Concentrations and distributions of the primary particles emitted from a coal-fired power plant were measured. Particulate samples were then analyzed for water-soluble ion species with an ion chromatography. In Taiwan, stationary pollution sources included coal-fired boiler, oil-fired boiler and nature-gas boiler, In this study, focus in coal-fired boiler to investigation it’s primary particle size distribution and water-solution ions characteristic and build up local primary particle composition file. Flue gas streams emissions of particulate matters an

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Tetzlaff, Anke [Verfasser]. "Coal fire quantification using ASTER, ETM and BIRD satellite instrument data / Anke Tetzlaff." 2004. http://d-nb.info/977661296/34.

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Lee, Yao-Chou, and 李燿州. "Creative Discourse of the Film The Melted Sugar-coat." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/38206490755120649252.

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碩士<br>國立臺灣藝術大學<br>應用媒體藝術研究所<br>99<br>Selected Works of the Creation by Hu Shi (1985) proposed by the Norwegian playwright Henrik Ibsen wrote the screenplay of the realism, while the interpretation of the <Ibsenism> as a basis for the Ibsen play style of social criticism Significance of the extension to be discussed out of context, then the type of Hollywood film classification to be confirmed in love. After the conversion of this argument written into the script, then shoot the classical Hollywood narrative style, into a dramatic film production theory framework. The activity of writing wil

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