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Dissertations / Theses on the topic 'Cutting theory'

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1

Simpson, Angela. "The lived experience of self-cutting and recovery from self-cutting : a co-grounded theory." Thesis, University of Newcastle Upon Tyne, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.417550.

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2

Tyber, Steven Jay. "Cutting planes in mixed integer programming: theory and algorithms." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/47560.

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Recent developments in mixed integer programming have highlighted the need for multi-row cuts. To this day, the performance of such cuts has typically fallen short of the single-row Gomory mixed integer cut. This disparity between the theoretical need and the practical shortcomings of multi-row cuts motivates the study of both the mixed integer cut and multi-row cuts. In this thesis, we build on the theoretical foundations of the mixed integer cut and develop techniques to derive multi-row cuts. The first chapter introduces the mixed integer programming problem. In this chapter, we review t
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Lindström, Alfred Minh. "Cutting and Destroying Graphs using k-cuts." Thesis, Uppsala universitet, Analys och sannolikhetsteori, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-395663.

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Deshpande, Amit Anand. "Improved understanding of metal cutting based on slip-line field theory." Diss., Wichita State University, 2012. http://hdl.handle.net/10057/5576.

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This dissertation consists of three papers, which describe a new capability for deriving slip-line fields (SLFs) from results of finite element analyses, and its application to the problem of metal cutting. The first paper describes the new SLF generation capability, that uses the stress components obtained from FE analysis (which already satisfy the equations of equilibrium) to obtain the first and second directions of maximum shear stress, the streamlines of which are the slip-lines. This new capability for slip-line field generation has been validated using the problem of compression of a p
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5

Watson, Philip David. "The theory of cutting and packing of non-interlocking shapes in a bounded region." Thesis, University of Birmingham, 1997. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.752400.

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6

Sadek, Hassan Ramadan Mohammed. "The adaptive control of tool force during roughing operations in continuous metal cutting." Thesis, University of Southampton, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358361.

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7

Залога, Вільям Олександрович, Вильям Александрович Залога, Viliam Oleksandrovych Zaloha та ін. "Анализ причин возникновения ошибки прогнозирования методом конечных элементов радиальной проекции сили резания". Thesis, Издательство СумГУ, 2007. http://essuir.sumdu.edu.ua/handle/123456789/19298.

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Сєдінкін, Леонід Михайлович, Леонид Михайлович Сединкин, Leonid Mykhailovych Siedinkin та А. С. Данильченко. "Исследование влияния присадок селена, свинца и теллура на механику процесса резания". Thesis, Издательство СумГУ, 2007. http://essuir.sumdu.edu.ua/handle/123456789/19247.

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Лагута, Георгій Геннадійович, Георгий Геннадьевич Лагута, Heorhii Hennadiiovych Lahuta та В. И. Соколова. "Особенности обработки результатов измерения показателей в лабораторных работах по дисциплине "Теория резания"". Thesis, Издательство СумГУ, 2007. http://essuir.sumdu.edu.ua/handle/123456789/19267.

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В докладе рассмотрены возможности способа средних для получения, в том числе, обобщенных зависимостей показателей процесса резания от параметров режима резания. При цитировании документа, используйте ссылку http://essuir.sumdu.edu.ua/handle/123456789/19267
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Некрасов, Сергій Сергійович, Сергей Сергеевич Некрасов, Serhii Serhiiovych Nekrasov та А. Г. Сердюк. "Методика экспериментального определения модели обрабатываемого материала". Thesis, Издательство СумГУ, 2007. http://essuir.sumdu.edu.ua/handle/123456789/19271.

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11

Bolton, Thomas Charles. "Generating cutting planes through inequality merging on multiple variables in knapsack problems." Thesis, Kansas State University, 2015. http://hdl.handle.net/2097/19038.

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Master of Science<br>Industrial & Manufacturing Systems Engineering<br>Todd W. Easton<br>Integer programming is a field of mathematical optimization that has applications across a wide variety of industries and fields including business, government, health care and military. A commonly studied integer program is the knapsack problem, which has applications including project and portfolio selection, production planning, inventory problems, profit maximization applications and machine scheduling. Integer programs are computationally difficult and currently require exponential effort to solve.
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12

Rangel, Maria do Socorro Nogueira. "Solving integer programming problems using preprocessing and cutting planes : theory and implementation of branch and cut." Thesis, Brunel University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294555.

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13

Wallin, Erik. "Alumina Thin Films : From Computer Calculations to Cutting Tools." Doctoral thesis, Linköpings universitet, Plasma och beläggningsfysik, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-15360.

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The work presented in this thesis deals with experimental and theoretical studies related to alumina thin films. Alumina, Al2O3, is a polymorphic material utilized in a variety of applications, e.g., in the form of thin films. However, controlling thin film growth of this material, in particular at low substrate temperatures, is not straightforward. The aim of this work is to increase the understanding of the basic mechanisms governing alumina growth and to investigate novel ways of synthesizing alumina coatings. The thesis can be divided into two main parts, where the first part deals with fu
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Hank, Georg E. "Steel meets leather - 259: The influence of cutting parameters in the leather splitting process." Verein für Gerberei-Chemie und -Technik e. V, 2019. https://slub.qucosa.de/id/qucosa%3A34203.

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Content: This article wants to combine two perspectives: First, Leather production, focused on the splitting process, with its diverse quality requirements and second, the new evolutions in the field of bandknife properties. In a short introduction the splitting process as such will be described, its different use in several stages and leather types, also in the field of leather conversion (in shoe, leathergoods and automotive parts production). Influencing factors of the possible goals like quality and cost efficiency will be discussed. In the second part some main requirements and problem fi
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15

Fukasawa, Ricardo. "Single-row mixed-integer programs : theory and computations /." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24660.

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Thesis (Ph.D.)--Industrial and Systems Engineering, Georgia Institute of Technology, 2009.<br>Committee Chair: William J. Cook; Committee Member: Ellis Johnson; Committee Member: George Nemhauser; Committee Member: Robin Thomas; Committee Member: Zonghao Gu
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Talamantes, Alonso. "Lifted equality cuts for the multiple knapsack equality problem." Thesis, Kansas State University, 2017. http://hdl.handle.net/2097/35516.

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Master of Science<br>Department of Industrial and Manufacturing Systems Engineering<br>Todd W. Easton<br>Integer programming is an important discipline in operation research that positively impacts society. Unfortunately, no algorithm currently exists to solve IP's in polynomial time. Researchers are constantly developing new techniques, such as cutting planes, to help solve IPs faster. For example, DeLissa discovered the existence of equality cuts limited to zero and one coefficients for the multiple knapsack equality problem (MKEP). An equality cut is an improper cut because every feasible p
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Smith, Courtney Paige 1979. "The politics of the marked body: An examination of female genital cutting and breast implantation." Thesis, University of Oregon, 2009. http://hdl.handle.net/1794/10266.

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xiv, 246 p. : ill. A print copy of this thesis is available through the UO Libraries. Search the library catalog for the location and call number.<br>This project is a critical and comparative investigation of Western and non-Western practices of body modification. Situated in the realm of feminist political theory, the project engages the literature and debates concerning embodiment, or the symbolic and concrete meanings of women's bodies. I specifically explore two examples of the physical construction of women's bodies: breast implantation in the United States and female genital cutting (F
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18

Залога, О. А. "Прогнозирование деформационной составляющей коэффициента трения при резании". Thesis, Издательство СумГУ, 2010. http://essuir.sumdu.edu.ua/handle/123456789/13343.

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19

Kiefer, Elizabeth Feldman. "When Messages Matter More: The moderating effect of avatar presence on message cue processing in cross-cutting political discussion." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1282076415.

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20

Bryngelsson, Maria. "Relations between the performance of a coated cutting tool and the composition and properties of the wear resistant coating : A study including first principles modeling, mechanical properties and technological testing." Thesis, Uppsala universitet, Materialteori, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-207566.

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This thesis work was performed at AB Sandvik Coromant and aimed to enhance the knowledge about the relationships between the performance of TiN and TiAlN-coated cutting tools in metal turning and their mechanical and chemical properties. Measurements of coating material properties and turning wear tests in annealed tool steel Sverker 21, stainless steel 316L, grey cast iron V314 and nodular cast iron SS0727 were performed. The cutting temperatures were estimated from FEM-simulations. To find the dominant wear mechanism and identify the properties that are most important for the resistance agai
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21

Kiapi, Evelyn Matsamura. "Media representations of female genital mutilation: A thematic analysis of two Ugandan national English daily newspapers." University of Western Cape, 2019. http://hdl.handle.net/11394/7400.

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Magister Public Health - MPH<br>This study analyses media representations of Female Genital Mutilation/Cutting (FGM/C) in two Ugandan daily English newspapers. FGM/C is recognized by the World Health Organization as an extreme form of violation of the rights, health and integrity of women and girls. In Uganda, although the overall prevalence of FGM/C is 0.3 percent of the population, FGM/C remains a harmful practice that constitutes a serious threat to the health of women and girls in communities that practice it. Despite existence of a national legal and policy framework that discourages FGM/
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Lai, John Kwang. "Truthful and Fair Resource Allocation." Thesis, Harvard University, 2013. http://dissertations.umi.com/gsas.harvard:10928.

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How should we divide a good or set of goods among a set of agents? There are various constraints that we can consider. We consider two particular constraints. The first is fairness - how can we find fair allocations? The second is truthfulness - what if we do not know agents valuations for the goods being allocated? What if these valuations need to be elicited, and agents will misreport their valuations if it is beneficial? Can we design procedures that elicit agents' true valuations while preserving the quality of the allocation? We consider truthful and fair resource allocation procedures th
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23

Beyer, Carrie Austin. "Exact synchronized simultaneous uplifting over arbitrary initial inequalities for the knapsack polytope." Thesis, Kansas State University, 2011. http://hdl.handle.net/2097/8782.

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Master of Science<br>Department of Industrial & Manufacturing Systems Engineering<br>Todd W. Easton<br>Integer programs (IPs) are mathematical models that can provide an optimal solution to a variety of different problems. They have been used to reduce costs and optimize organizations. Additionally, IPs are NP-complete resulting in many IPs that cannot be solved. Cutting planes or valid inequalities have been used to decrease the time required to solve IPs. Lifting is a technique that strengthens existing valid inequalities. Lifting inequalities can result in facet defining inequalities, wh
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Vitor, Fabio Torres. "Improving the solution time of integer programs by merging knapsack constraints with cover inequalities." Thesis, Kansas State University, 2015. http://hdl.handle.net/2097/19226.

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Master of Science<br>Department of Industrial and Manufacturing Systems Engineering<br>Todd Easton<br>Integer Programming is used to solve numerous optimization problems. This class of mathematical models aims to maximize or minimize a cost function restricted to some constraints and the solution must be integer. One class of widely studied Integer Program (IP) is the Multiple Knapsack Problem (MKP). Unfortunately, both IPs and MKPs are NP-hard, potentially requiring an exponential time to solve these problems. Utilization of cutting planes is one common method to improve the solution time of
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Carvalho, Alexandre Augusto Martins. "Proposta metodologica para racionalização de ociosidade fabril /." Guaratinguetá, 2019. http://hdl.handle.net/11449/182420.

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Orientador: Marcos Valerio Ribeiro<br>Resumo: Ambientes industriais são altamente competitivos. Fatores como a agilidade, a flexibilidade, a prestação de serviços, a qualidade e preços são as vantagens competitivas procuradas pelas organizações. Neste cenário, as otimizações propostas que abordam tais fatores são de particular interesse para o planejamento de processos. O procedimento proposto tratado é o resultado líquido direto e o aumento da competitividade no mercado de uma determinada empresa, visando que sua estrutura financeira seja a mais saudável possível. Este trabalho tem como objet
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Tinaztepe, Ramazan. "Modulation spaces, BMO and the Zak transform, and minimizing IPH functions over the unit simplex." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/34659.

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This thesis consists of two parts. In the first chapter, we give some results on modulation spaces. First the relationship between the classical spaces and the modulation spaces is established. It is proved that certain modulation spaces defined on R² lie in the BMO space. Another result is that the Zak transform, a discrete time-frequency transform, maps a modulation space into a higher dimensional modulation space. And by using these results, an uncertainty principle for Gabor frames via modulation spaces is obtained. In the second part, we deal with optimization of an increasing positi
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Hartelius, Belinda, and Philip Fransson. "Vibrationsanalys av vevaxel vid fräsoperation." Thesis, Högskolan i Skövde, Institutionen för ingenjörsvetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-13985.

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Finita elementmetoden (FEM) utvärderas för att i framtiden kunna undvika mycket av den fysiska provning som idag används vid optimering av maskininställningar, både vid införandet av nya maskiner men även på befintliga. Fräsmaskinen som granskas grovbearbetar fyrcylindriga vevaxlar under åtta bearbetningstempon. Resonansfrekvenser skulle kunna identifieras med hjälp av en FEM-modell och sedan undvikas genom att justera skärhastigheten. Litteraturstudien innefattar skärande bearbetning, vibrationer, svängningsteori och FEM. Modeller av vevaxlar ges av arbetsgivaren och egenfrekvensanalyser utfö
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Schröder, Thomas. "Sustainability in practice : a study of how reflexive agents negotiate multiple domains of consumption, enact change, and articulate visions of the 'good life'." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/sustainability-in-practice-a-study-of-how-reflexive-agentsnegotiate-multiple-domains-of-consumption-enact-change-andarticulate-visions-of-the-good-life(c19dc146-1b93-402e-b3b5-cbbd3f6778be).html.

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A small proportion of people claim to live and consume in ways they consider more sustainable in social and environmental terms. As yet, we do not know how many exactly, but possibly no more than 5-10% of the population. The thesis intentionally focuses on this minority finding there are at least three reasons why it is interesting to do so. First because they are all but ignored in sociologies of practice in the context of sustainable consumption which considers this minority an insignificance and focuses almost exclusively on 'mainstream' majority which more closely maps onto the stereotype
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Holmgren, Cecilia. "Split Trees, Cuttings and Explosions." Doctoral thesis, Uppsala universitet, Matematiska institutionen, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-112239.

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This thesis is based on four papers investigating properties of split trees and also introducing new methods for studying such trees. Split trees comprise a large class of random trees of logarithmic height and include e.g., binary search trees, m-ary search trees, quadtrees, median of (2k+1)-trees, simplex trees, tries and digital search trees. Split trees are constructed recursively, using “split vectors”, to distribute n “balls” to the vertices/nodes. The vertices of a split tree may contain different numbers of balls; in computer science applications these balls often represent “key number
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Amewoui, Ekoue-Adjoka Foli Noël. "Impact de l’opération de perçage sur l’intégrité des tissus osseux : modélisation et expérimentation." Electronic Thesis or Diss., Université de Lorraine, 2020. http://www.theses.fr/2020LORR0095.

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Le perçage de l’os est couramment pratiqué dans de nombreux types de chirurgie comme lors de la pose de vis d’ostéosynthèse et d’implants dentaires et cochléaires. Lors de l'opération de perçage, le chargement thermomécanique dû à l'interaction outil-os peut endommager les tissus osseux au voisinage de la zone de perçage. Ainsi, une augmentation significative de la température peut provoquer une ostéonécrose thermique. Il est donc important d'optimiser les conditions opératoires (vitesses de rotation et d'avance, géométrie du foret, stratégie de perçage...) afin de réduire les risques d'endomm
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31

Luo, Yuejin. "Non-Newtonian annular flow and cuttings transport through drilling annuli at various angles." Thesis, Heriot-Watt University, 1988. http://hdl.handle.net/10399/1477.

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This thesis presents the results of the investigations in two areas, i.e. non-Newtonian annular flow and cuttings transport in drilling annuli at various angles. In the first part of the thesis, a review of the fundamentals and the previous studies on laminar concentric annular flow of non-Newtonian fluids is given at first. Then two parallel theoretical studies are performed, respectively, on: a. Laminar eccentric annular flow of power-law and Bingham plastic fluids. In this analysis, a new method is used which treats an eccentric annulus as infinite number of concentric annuli with variable
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Saragoni, Giacomo. "Problemi di Taglio." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/23201/.

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La tesi tratta, sotto diversi punti di vista, il teorema di Stone-Tukey. In tre dimensioni il teorema prende il bizzarro nome di: Teorema del Panino al Prosciutto, in quanto ci da la certezza dell'esistenza di un taglio dritto di coltello in grado di tagliare un panino col prosciutto esattamente a metà. Il teorema viene affrontato anche nel caso discreto. Viene affrontata anche una versione del teorema in cui non ci si restringe solo a 'tagli dritti', permettendoci quindi, di poter aumentare il numero di ingredienti del panino. Anche questa versione viene analizzata nel caso discreto.
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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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34

Huang, Jen-ching, and 黃仁清. "Study on Combination of Molecular Dynamics and Deformation Theory for Nano-scale Cutting." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/ckcnkd.

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博士<br>國立臺灣科技大學<br>機械工程系<br>94<br>By the combination of molecular dynamics and finite deformation theory, the objective of this thesis is to investigate into the effect of different cutting types such as nano orthogonal cutting, conical shaped tool nano straight line cutting and nano curve cutting, and processing parameters such as different cutting depth and cutting speed towards the strain and stress, as well as the cutting force produced towards the workpiece. Also, it carried out a nano tensile research, so as to provide the required nanoscale flow curve. By taking atoms as nodes and latti
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Chowdhury, Usman. "Cutting rules for Feynman diagrams at finite temperature." 2010. http://hdl.handle.net/1993/3856.

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The imaginary part of the retarded self energy is of particular interest as it contains a lot of physical information about particle interactions. In higher order loop diagrams the calculation become extremely tedious and if we have to do the same at finite temperature, it includes an extra dimension to the difficulty. In such a condition we require to switch between bases and select the best basis for a particular diagram. We have shown in our calculation that in higher order loop diagrams, at #12;finite temperature, the R/A basis is most convenient on summing over the internal vertices and v
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Sánchez-Peña, Sergio René. "Essays on organismal aspects of the fungus-growing ant symbiosis ecology, experimental symbiont switches and fitness of Atta, and a new theory on the origin of ant fungiculture /." Thesis, 2005. http://repositories.lib.utexas.edu/bitstream/handle/2152/1713/sanchezpenas75328.pdf.

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BULÁNEK, Jiří. "Teorie třískového obrábění kovů v 3D aplikacích vytvořených v programu SolidWorks." Master's thesis, 2012. http://www.nusl.cz/ntk/nusl-81299.

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This diploma thesis addresses the issues associated with the theory of chip machining of metals. The theories are supported in many chapters by illustrative images created in the SolidWorks 3D modeler. The introductory part is rather theoretical, describing integrally and systematically the basic terms of splinter machining. The subsequent chapters address the issues of the turning tool edge geometry, different types of tools? materials, chip development, forces, work, temperatures and heat emitted during the work. Furthermore, the diploma thesis also addressed issues related to the machining
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Jayaswal, Sachin. "Product Differentiation and Operations Strategy for Price and Time Sensitive Markets." Thesis, 2009. http://hdl.handle.net/10012/4350.

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In this dissertation, we study the interplay between a firm’s operations strategy, with regard to its capacity management, and its marketing decision of product differentiation. For this, we study a market comprising heterogeneous customers who differ in their preferences for time and price. Time sensitive customers are willing to pay a price premium for a shorter delivery time, while price sensitive customers are willing to accept a longer delivery time in return for a lower price. Firms exploit this heterogeneity in customers’ preferences, and offer a menu of products/services that differ on
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Rioux, Caroline. "Scarf's Theorem and Applications in Combinatorics." Thesis, 2006. http://hdl.handle.net/10012/2627.

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A theorem due to Scarf in 1967 is examined in detail. Several versions of this theorem exist, some which appear at first unrelated. Two versions can be shown to be equivalent to a result due to Sperner in 1928: for a proper labelling of the vertices in a simplicial subdivision of an n-simplex, there exists at least one elementary simplex which carries all labels {0,1,..., n}. A third version is more akin to Dantzig's simplex method and is also examined. In recent years many new applications in combinatorics have been found, and we present several of them. Two applications are in the area of
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Ročňák, Jakub. "Mediální výchova na školách - kriticko-analytický či produkční přístup." Master's thesis, 2012. http://www.nusl.cz/ntk/nusl-304420.

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The aim of this diploma thesis, which is entitled "Media Education in schools - critical-analytic or production approach", is to map the current state of practice of media education in a sample of secondary schools (gymnasiums) in central Bohemia. Our goal is to provide readers with broader theoretical insight into the concept of media literacy (as a goal of any media education), to capture a brief history of development of the perspective on the role of media education, as well as to examine how media education is incorporated within the Czech system of secondary education, and also to reflec
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