Dissertations / Theses on the topic 'Static concentrating'
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Dickinson, Michael Design Studies College of Fine Arts UNSW. "Design of a Static Concentrating Photovoltaic Roof Tile." Awarded by:University of New South Wales. School of Design Studies, 2001. http://handle.unsw.edu.au/1959.4/18229.
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The aim of this document is to investigate through industrial design the potential of a high efficiency photovoltaic concentrator theory. The investigation directs a proposed layout for the design of a device, which specifically addresses the incorporation of the concentrator theory into the design of a photovoltaic ????????roof tile????????. The focus of the investigation has been the integration of theoretical constructs and physical realities. The objective is to facilitate this transition from theory to reality: to contribute to the quest of creating viable manufacturable designs for the generation of clean low cost electrical power. The use of a roof tile as the focus of the incorporating device served two purposes. Number one: it provided a sensible, existing platform, which is under utilised, presented potential and fitted within established building practices. It was not the objective of this thesis to argue that tile integration is the best, only or even the most financially viable direction to pursue; it was one option among many. This brings us to the second purpose; the consideration of existing roofing tiles forced the theory to be applied within set limitations, in particular existing size restrictions. The imposition of a framework to work within highlighted the design issues, which would have to be addressed in the actualisation of the theory. The theory????????s broad strategy for economic viability has been to reduce the actual silicone cell content of panel designs by approximately one third. This is achieved by the use of numerically fewer cells in combination with a concentration method, which does not cost more than the savings gained by the use of fewer cells. This document records the design process undertaken and presents the findings so that further development can be undertaken.
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Tagawa, Hiroshi. "Static and Dynamic Collapse Behaviors of Weak-beam Building Frames Involving Deformation Concentration Phenomena." 京都大学 (Kyoto University), 2001. http://hdl.handle.net/2433/150265.
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Naeli, Kianoush. "Optimization of piezoresistive cantilevers for static and dynamic sensing applications." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/28247.
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Thesis (M. S.)--Electrical and Computer Engineering, Georgia Institute of Technology, 2009.Committee Chair: Brand, Oliver; Committee Member: Adibi, Ali; Committee Member: Allen, Mark G.; Committee Member: Bottomley, Lawrence A.; Committee Member: Degertekin, F. Levent.
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Johnson, Jodien M. Mencken Frederick Carson. "Federal employment concentration and regional process in nonmetropolitan America." Waco, Tex. : Baylor University, 2008. http://hdl.handle.net/2104/5238.
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Ffolliott, Peter F. "Comparisons of Dissolved Chemical Concentrations in Arizona Snowpacks and Snowmelt Streamflow." Arizona-Nevada Academy of Science, 1997. http://hdl.handle.net/10150/296472.
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Filka, Tomáš. "Bezdrátová meteorologická stanice." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-318177.
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This diploma thesis deals with a draft of wireless weather station, whose task is to measure basic values inside and outside the home. Measured variables are for example temperature, atmospheric pressure, relative humidity, wind speed and direction or concentration of carbon dioxide (CO2). These data will be transmitted to a web server for later processing. Possible technical solutions are described and the outcome is a designed printed circuit boards, which has been assembled and tested. Resulting system was tested in trial operation.
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Lekander, Maria, Troncoso Jonathan Fagerström, Abdelrahman Idjbara, Ida Karlsson, Teresia Lindgren, and Simon Ström. "A kinetic study of the degradation of hyaluronic acid at high concentrations of sodium hydroxide." Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-301379.
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During production of different Hyaluronic acid (HA) products Galderma use a high concentration of NaOH in the crosslinking process of HA. HA’s degradation kinetics are widely unknown at higher pH’s and is interesting for the future of product development of HA. Static Light Scattering (SLS) was used to determine the weight average molecular weight (MW ) of samples with four different NaOH concentrations, four temperatures, three reaction times and one t0 sample. The results were evaluated in forms of Arrhenius-graphs for different NaOH concentrations, the activation energy (EA ) with respect to pH and the reaction rate for each temperature with respect to NaOH concentration. It was found that the degradation of HA was more strongly affected by temperature than by NaOH concentration and that the EA did not show any significant signs of change between higher concentrations of NaOH.
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Ffolliott, Peter F. "Preparation of TMDL Plans: Estimating Concentrations of Non-Point Source Pollutants to Water Bodies." Arizona-Nevada Academy of Science, 2002. http://hdl.handle.net/10150/296573.
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Lindsey, Benjamin A. ""Organized Crime Against Civilization": The Congressional Investigation of Liberated Concentration Camps in 1945." ScholarWorks @ UVM, 2012. http://scholarworks.uvm.edu/graddis/381.
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This study examines the congressional mission to liberated concentration camps in April and May 1945. General Dwight D. Eisenhower requested a congressional mission and a group of newspaper editors and publishers to view firsthand the horrors of the concentration camp Buchenwald, so that the American public might be made more aware of German atrocities in concentration camps and to dispel the belief that the atrocity reports were wartime propaganda. The congressmen and newspapermen were horrified by what they saw at the German concentration camps, and many reported back to the American public about the atrocities and conditions in the concentration camps through articles, interviews, speeches, and rallies. Upon their return to the United States, the congressmen published a report on the conditions within the camps, and many of them spoke in Congress and to the public about the need to re-educate the Germans, try guilty Germans, and rebuild Germany. The congressmen and editors and publishers brought legitimacy to the reports of American war correspondents concerning German atrocities, and their efforts contributed to constructing a political climate that allowed for and legitimized the Nuremberg Trials, the U.S. Army denazification efforts, and the rebuilding of Germany through the Marshall Plan. To examine this mission, newspaper articles from April and May 1945 were collected from thirteen American newspapers, as well as the Times of London. Research was also conducted in the personal collections of two of the congressmen who toured Europe at that time, as well as at the National Archives in College Park, MD. This study goes beyond the existing research by examining the congressional mission to Buchenwald, Dora, and Dachau, which, though it has been briefly mentioned in existing Holocaust literature, has never been fully examined.
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Baird, Jim. "Black Employment Opportunities: The Role of Immigrant Job Concentrations." Digital Archive @ GSU, 2006. http://digitalarchive.gsu.edu/sociology_theses/6.
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Recent, post-1980, immigration patterns have had a dramatic effect on U.S. labor markets, leading to considerable debate about the impact of immigration on native-born black workers. This research examines immigrant and black labor markets, across metropolitan areas, using Public Use Microdata and Summary File data from Census 2000 to generate low, mid, and high classifications of immigrant and black occupations based on socio-economic index (SEI). Multivariate findings indicate that the effect of recent immigration on black labor market outcomes differs by occupational level. Competition for low-skilled jobs is identified for native-born blacks in low-level jobs while a “bump-up” effect is identified for blacks in mid-level jobs. For example, production occupations with low language and skill requirements are shown to be contested among the groups. On the other hand, service and administrative functions emerge as bump-up mechanisms that create opportunity for black workers who amass the human capital required of these occupations. Thus, the ramifications of immigration for native-born blacks are shown to be quite different for low- and mid-SEI jobs.
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Lopes, Vicente L., Peter F. Ffolliott, and Malchus B. Jr Baker. "Impacts of Vegetative Treatments on Sediment Concentrations from the Beaver Creek Watersheds in North-Central Arizona." Arizona-Nevada Academy of Science, 1999. http://hdl.handle.net/10150/296547.
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Bandyopadhyay, Jogia. "Optimal concentration for SU(1,1) coherent state transforms and an analogue of the Lieb-Wehrl conjecture for SU(1,1)." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24801.
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Thesis (Ph.D.)--Physics, Georgia Institute of Technology, 2008.Committee Chair: Eric A. Carlen; Committee Member: Jean Bellissard; Committee Member: Michael Loss; Committee Member: Predrag Cvitanovic.
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Austin, Allan W. "FROM CONCENTRATION CAMP TO CAMPUS: A HISTORY OF THE NATIONAL JAPANESE AMERICAN STUDENT RELOCATION COUNCIL, 1942-1946." University of Cincinnati / OhioLINK, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=ucin990210250.
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Lawrence, Greta. "The United States and the concentration camp trials at Dachau, 1945-1947." Thesis, University of Cambridge, 2019. https://www.repository.cam.ac.uk/handle/1810/286027.
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After much debate during the war years over how best to respond to Nazi criminality, the United States embarked on an ambitious postwar trial program in occupied Germany, which consisted of three distinct trial sets: the International Military Trial at Nuremburg, the Nuremberg Military Tribunals, and military trials held at the former concentration camp at Dachau. Within the Dachau military tribunal programme, were the concentration camp trials in which personnel from the Dachau, Mauthausen, Buchenwald, Flossenbürg, and Dora-Mittelbau concentration camps were arraigned. These concentration camp trials at Dachau represented the principal attempt by the United States to punish Nazi crimes committed at the concentration camps liberated by the Americans. The prosecutors at Dachau tried 1,045 defendants accused of committing violations of the 'laws of war' as understood through 'customary' international and American military practice. The strain of using traditional military law to prosecute the unprecedented crimes in the Nazi concentration camps was exposed throughout the trials. To meet this challenge, the Dachau concentration camp courts included an inventive legal concept: the use of a 'criminal-conspiracy' charge-in effect arraigning defendants for participating the 'common design' of the concentration camp, 'a criminal organization'. American lawmakers had spent a good deal of time focused on the problem of how to begin the trials (What charges? What courts? Which defendants?) and very little time planning for the aftermath of the trials. Thus, by 1947 and 1948, in the face of growing tensions between the United States and the Soviet Union, the major problem with the Dachau trials was revealed -the lack of long term plans for the appellate process for those convicted. After two scandals that captured the press and the public's attention, the United States Congress held two official investigations of the entire Dachau tribunal programme. Although the resulting reviews, while critical of the Army's clemency process, were largely positive about the trials themselves, the Dachau trials faded from public memory.
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Blank, Malin, and Anna Maria Persson. "The Swedish food retail market : An econometric analysis of the competition on local food retail markets." Thesis, Linköping University, Department of Management and Economics, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2521.
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The Swedish food retail market contains of three major actors, ICA, KF and Axfood, all in all dominating 75 percent of the total market shares. The scant number of retailing actors indicates that the Swedish food retail market is a highly concentrated oligopoly, which as a fact has given rise to definite discussions and argumentations concerning the market situation. But is the food retail market imperfect and how do we reach a workable competition? Economic theory does not provide any clear answer on these questions, but is rather divided into two fundamentally different approaches to define competition: the static and the dynamic perspective on competition.
In an attempt to examine the competition on local Swedish retail markets, the purpose of this study is to carry out an econometric model estimating the situation. The model serves to explain the variation of ICA’s achievements measured in terms of turnovers obtained in the company. The explanatory variables composing the model are divided into three separate groupings: degreeof market concentration, storespecific factors and region-specific factors. Furthermore, in order to find out which one of the competitive explanations best fits the reality, the regression results are interpreted from a static and a dynamic perspective of competition. In part, we also aim to compare the results with the outline of the Swedish competition law.
We found that the level of concentration obtained in our material is high and is steadily increasing. We also found that stores do not, in any great extent, use price, service and quality as competitive methods. Thus, to gain competitive advantage, market actors must find other ways to carry out strategic market activities. The region-specific variables had either none or very little influence on ICA’s turnover. According to these findings, neither the static nor the dynamic perspective of competition is solely able to produce an accurate method for reaching a state of a workable competition. Instead, a combination of the static and the dynamic ideas may be regarded as the most advantageous way to generate suitable conditions for competition to be efficient. Therefore, in order to promote workable competition, the Swedish competition law must consist of a balance between the static and the dynamic view of competition.
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Biggs, Thomas. "Fire Frequency, Nutrient Concentrations and Distributions, and δ13C of Soil Organic Matter and Plants in Southeastern Arizona Grassland." Diss., The University of Arizona, 1997. http://hdl.handle.net/10150/244085.
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Over the past century, woody plants and shrubs have increased in abundance at the expense of grasslands in many semiarid regions. The availability and concentrations of nutrients influence the relative success of plants, but the effects of fire frequency on soil nutrients is unknown for semiarid grasslands. On the gunnery ranges of Fort Huachuca in southeastern Arizona, study sites were established to examine the effects of fire frequency on soil biogeochemistry, plant biochemistry, and δ¹³C values in soil organic matter (SOM). The sites were on homogeneous granitic alluvium where wildfire frequency history is known from 1973 to present and no cattle grazing has occurred in recent decades. Subplots represent fire frequencies of no burns, 3 fires per decade, and 5 fires per decade. The "no burn" plot has abundant C₃ Prosopis veleruina (mesquite) trees, whereas the burned plots are open C₄-dominated grasslands with scattered mesquite trees. Prosopis trees have altered SOM pools by the concentration of plant nutrients and the addition of isotopically light shrub litter. Frequent fires have altered the basic geochemistry and nutrient availabilities of the soil, and the changes appear to be significant enough to affect plant growth. Soil pH increases with burning frequency, and TOC, total nitrogen, and plant -available phosphorus show significant increases on the infrequently burned plot. Burning is advantageous for preservation or restoration of grasslands, as total living grass biomass is greater on the two burned plots. Root biomass is significantly lower on the "frequently burned" plot. Concentrations of the key nutrients nitrogen and phosphorus are reduced in plants on the burned sites compared to plants on the unburned site. Fires help re-distribute nutrients but evidence of nutrient concentrations and δ¹³C values are retained in SOM for many decades. Estimates of bulk carbon turnover rates range from 112 to 504 years. Evidence for modern C₃ shrub expansion is found in the shift of SOM δ¹³C values from values characteristic of C₄ grasses to C₃ shrubs in surface soil layers. δ¹³C(SOM) values indicate that the Holocene and Late Pleistocene were dominated by C₄ grasslands, and the pre-Late Pleistocene vegetation was a C₄-grass savanna with abundant C₃ plants.
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Garcia, Mendoza Jesus Guillermo. "Lag Time Characteristics of Small Arid and Semiarid Watersheds in the Southwestern United States." Diss., The University of Arizona, 2013. http://hdl.handle.net/10150/311345.
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An evaluation for Lag time, defined as the time from the centroid of rainfall excess to the centroid of direct runoff, was performed for seven small watersheds in the Southwestern United States. The size of these watersheds range in size from 0.33 to 4.37 ha. The evaluation period goes from 2000 to 2010. This evaluation was compared versus 28 lag time equations.The USDA-ARS Southwest Watershed Research Center has developed an electronic data processing system where rainfall and runoff data is collected from sensors in the field and are transmitted to computers in the office.Prior to these data sets there were no measurable rainfall and runoff data. This digital data is generated by means of synchronized clocks in rain gages and flumes. As a result, the data from this electronic processing system offers a unique opportunity for hydrologic research. This infrastructure is a characteristic not often available in many other sites and a condition not enjoyed in previous investigations.There are several definitions of lag time depending on what particular time period is used to describe the occurrence of unit rainfall and runoff. But, time parameters currently lack commonly-accepted standard definitions.The various definitions for time parameters such as Lag Time, Time of Concentration, Time to Peak, Equilibrium Time and others, sometimes, are used interchangeably. Another aspect is that in Lag time determination, centers of mass play a critical role. This study found out that depending of the loss model chosen to estimate rainfall excess, it shall influence the determination of center of mass and hence the lag time.Some negative values were obtained for lag time when measured from peak of runoff to centroid of effective rainfall. However, in the lag time definition from centroid of effective rainfall to centroid of direct runoff, negative values were not obtained.One field in particular, time parameters currently lacks commonly-accepted standard definitions. This has become a source of profound confusion in this branch of science to the point where teams of scientists writing about and discussing hydrological Time Parameters can be compared to the aftermath at the Tower of Babel.
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Mondon, Hélène. "Les premiers « déplacés spéciaux » de Stalin et leur destinée dans le Nord européen de l’URSS." Thesis, Paris 4, 2011. http://www.theses.fr/2011PA040115.
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De toutes les campagnes de déportations programmées par la direction stalinienne, la première est restée la plus importante. Elle touche en 1930-1931 plus d’un million huit cent mille paysans «dékoulakisés » – les premiers « déplacés spéciaux » de Stalin.En 1930, la région du Nord soviétique est choisie pour servir de laboratoire à cette triple expérience – répressive, sociale et humaine –, qui impose à des dizaines de milliers de familles d’exploiter les ressources naturelles de ce territoire hostile et de s’établir définitivement dans des « villages spéciaux », conçus pour devenir des officines de rééducation.Au-delà de la reconstitution de cette déportation-expérimentation, ce travail documente, à partir de sources d’archives et de témoignages des survivants, l’histoire du quotidien dans ce nouveau microcosme goulaguien. Il éclaire les destinées des familles paysannes en relégation, leurs stratégies de survie face aux conditions extrêmes des premières années, ainsi que leurs modes d’adaptation et de réintégration dès la seconde moitié des années 1930. Il expose les changements survenus dans les « peuplements spéciaux » durant la guerre et retrace le processus d’affranchissement des déportés après dix-huit ans d’exil, qui préfigure l’aboutissement de la plus longue déportation amorcée, puis désamorcée par Stalin« Dekulakization » represents the single largest operation from all Stalinist mass deportations. In 1930 and 1931, more than one million eight hundred thousands peasants were sent into internal exile, becoming Stalin’s first « special settlers ».In 1930, the Soviet Northern territory was chosen to be the laboratory of this repressive and social experimentation on human beings, which obliged thousands and thousands of peasant families to extract the natural resources of these fozen hinterlands. They had to remain durably in the so-called « special villages » built for their reforging.This research, based on archival materials combined with survivor’s stories, endeavors to retrace the evolution of this experimental deportation and moreover to document the history of everyday life in the emerging order of the Gulag’s « special settlements ». It throws new light on the fate of peasant families in the North, their strategies to survive when facing the most horrific first years of repression, as well as their ways of adaptation and rehabilitation within society since the second half of the 1930s. This dissertation states the changes occurred in the « special settlements » during the war and charts the process of the deportees’ liberation after eighteen years of exile, which pointed out the end of the longest deportation initiated, and finally defused by Stalin
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Nys, Manon. "Schrödinger equations with an external magnetic field: Spectral problems and semiclassical states." Doctoral thesis, Universite Libre de Bruxelles, 2015. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/216641.
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In this thesis, we study Schrödinger equations with an external magnetic field. In the first part, we are interested in an eigenvalue problem. We work in an open, bounded and simply connected domain in dimension two. We consider a magnetic potential singular at one point in the domain, and related to the magnetic field being a multiple of a Dirac delta. Those two objects are related to the Bohm-Aharonov effect, in which a charged particle is influenced by the presence of the magnetic potential although it remains in a region where the magnetic field is zero. We consider the Schrödinger magnetic operator appearing in the Schrödinger equation in presence of an external magnetic field. We want to study the spectrum of this operator, and more particularly how it varies when the singular point moves in the domain. We prove some results of continuity and differentiability of the eigenvalues when the singular point moves in the domain or approaches its boundary. Finally, in case of half-integer circulation of the magnetic potential, we study some asymptotic behaviour of the eigenvalues close to their critical points. In the second part, we study nonlinear Schrödinger equations in a cylindrically setting. We are interested in the semiclassical limit of the equation. We prove the existence of a semiclassical solution concentrating on a circle. Moreover, the radius of that circle is determined by the electric potential, but also by the magnetic potential. This result is totally new with respect to the ones before, in which the concentration is driven only by the electric potential.Doctorat en Sciences
info:eu-repo/semantics/nonPublished
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Kide, Saïkou Oumar. "Analyse de la diversité et de la structuration spatio-temporelle des assemblages démersaux dans la zone économique exclusive mauritanienne." Thesis, Aix-Marseille, 2018. http://www.theses.fr/2018AIXM0085/document.
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La zone économique exclusive Mauritanienne est le siège d’upwelling et constitue une zone de transition où cohabitent des espèces d’affinités tempérée et tropicale. Pour comprendre le comportement spatio-temporel des assemblages démersaux du point de vue de leur composition, structuration, distribution de probabilité et diversité face aux préoccupations écologiques. Les facteurs abiotiques contribuent à la structuration des assemblages démersaux persistants au cours du temps. Les effets de la pêche étaient relativement faibles. Les trajectoires temporelles entre les assemblages et les conditions environnementales ont été mises en évidence pour certaines années et des zones. Dans les types d’habitats, un groupe minoritaire d’espèces très agrégatives obéissant au modèle de distribution en log-séries de Fisher et un autre majoritaire peu ou pas du tout agrégatives obéissant au modèle de distribution binomiale négative tronquée ont été identifiés. La diversité spécifique peut être divisé en deux groupes distincts et complémentaires : la richesse spécifique et l'autre associé à l’équitabilité. Un seul composant de la diversité ne peut donc pas représenter la diversité des poissons démersaux de la zone étudiée. Les GLM des indices complémentaires ont montré essentiellement un effet temporel et l’interaction Année-Strates bathymétriques. Aucun effet de l’effort de pêche n’a été observé sur la richesse spécifique, ni de la concentration en chlorophylle sur l’équitabilité. Ce travail pourrait fournir aux gestionnaires et aux scientifiques des connaissances complémentaires sur la dynamique spatio-temporelle des assemblages démersaux exploités dans des écosystèmes d’upwellingThe Mauritanian exclusive economic zone is the seat of an upwelling phenomenon and constitutes a transition zone where species of temperate and tropical affinities coexist. To understand the spatio-temporal behavior of demersal assemblages from the point of view of their composition, structure, distribution of probability and diversity faced to ecological concerns. Abiotic factors contribute in the structuring of persistent groundfish assemblages over time. The fishing effects were relatively low, although significant in some years and in some specific geographic areas. Temporal trajectories between groundfish assemblages and environmental conditions have been highlighted for some years and in some specific areas. In each type habitats, two species groups were identified: a minority group of species very aggregative well fitted by Fisher’s log-series distribution and another majority of species little or not aggregative well fitted by the truncated negative binomial distribution. Diversity indices analyzed reveal that this set can be split into two distinct and complementary groups: a group associated with the species richness and another group associated with evenness. One component of diversity may not represent the diversity of the groundfish in the study area. GLMs of complementary indices showed essentially a temporal effect and Bathymetric strata-Year interaction. No effect of fishing effort was observed on the species richness and neither was the concentration of chlorophyll a on the evenness. This work could provide managers and scientists to further knowledge on the spatio-temporal dynamics of groundfish species assemblages exploited in upwelling ecosystems
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Santos, Bevin A. "A Narrative Analysis of Korematsu v. United States." Thesis, University of North Texas, 1999. https://digital.library.unt.edu/ark:/67531/metadc2238/.
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This thesis studies the Supreme Court decision, Korematsu v. United States, 323 U.S. 214 (1944) and its historical context, using a narrative perspective and reviewing aspects of narrative viewpoints with reference to legal studies in order to introduce the present study as a method of assessing narratives in legal settings. The study reviews the Supreme Court decision to reveal its arguments and focuses on the context of the case through the presentation of the public story, the institutional story, and the ethnic Japanese story, which are analyzed using Walter Fisher's narrative perspective. The study concludes that the narrative paradigm is useful for assessing stories in the law because it enables the critic to examine both the emotional and logical reasoning that determine the outcomes of the cases.
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Machado, Fernanda Valada. "A lei geral da acumulação capitalista e a situação da classe trabalhadora nos Estados Unidos da América." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2016. http://hdl.handle.net/10183/147467.
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Nesta dissertação, interpreta-se as causas e as consequências do processo de concentração da renda e da riqueza nos Estados Unidos da América a partir da teoria de Karl Marx. Defende-se, que a “Lei Geral da Acumulação Capitalista”, onde culmina a construção teórica de Marx do livro primeiro d’O Capital, é consistente para explicar a evolução histórica da situação da classe trabalhadora sob as relações sociais de produção capitalistas. Para isso, desenvolve-se a análise teórica essencialmente sobre as obras de Marx - d’O Capital e dos Grundrisse-, e o país que melhor exemplifica a análise teórica de Marx, é os Estados Unidos da América - a maior nação capitalista do mundo. Para tanto, são apresentados dados acerca da concentração da renda e da riqueza, da evolução das taxas de pobreza, discorre-se sobre o movimento trabalhista, sobre a legislação trabalhista e sobre os sindicatos. Apresenta-se o panorama histórico dos Estados Unidos, entre a construção do New Deal e a restauração conservadora sobre o invólucro “neoliberal”.In this dissertation, interprets the causes and consequences of the process of concentration of income and wealth in the United States with Karl Marx's theory. It is argued that the "General Law of Capitalist Accumulation", which culminates the theoretical construction of Marx's first book of Capital, is consistent to explain the historical developments of the working class in the social relations of capitalist production. It develops the theoretical analysis primarily on the works of Marx - of Capital and Grundrisses-, and the country that best exemplifies the theoretical analysis of Marx is the United States - the largest capitalist nation in the world. For this purpose, data are presented about the concentration of income and wealth, changes in poverty rates, it talks about the labor movement on the labor legislation and on trade unions. It presents the historical background of the United States, including the construction of the New Deal and the conservative’s restoration under the "neoliberal"’s casing.
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Ngye, Alain Patrick Patou. "Domination personnelle et élite politique au Gabon (1968-2009)." Thesis, Bordeaux 4, 2013. http://www.theses.fr/2013BOR40034.
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La présente thèse éclaire l’intelligibilité du régime politique gabonais sous Omar BONGO (1968-2009). Plus précisément, elle relève que la domination personnelle et l’analyse élitiste sont deux approches complémentaires dans la compréhension du politique au Gabon et partant, en Afrique subsaharienne. Elle montre à cet effet qu’Omar BONGO n’a pas pu compter que sur lui-même pour se maintenir au pouvoir pendant près d’un demi-siècle. Il a dû également s’appuyer sur un groupe d’acteurs, appelé élite politique, dont l’organisation et le fonctionnement étaient néanmoins empreints de son pouvoir personnel. En effet, l’accès à cette élite était régi par le clientélisme et le népotisme, deux rapports d’échange qu’Omar BONGO avait érigés en principe de gestion du personnel supérieur de l’État. Le premier lui permettait de se constituer une clientèle capable d’œuvrer par délégation ou de façon autonome à sa longévité politique. De ce fait, les acteurs qui composaient cette clientèle étaient dotés chacun d’un capital de ressources variées qu’ils activaient et faisaient fructifier de façon à l’aider à conserver son sceptre. La valorisation de ce capital auprès d’Omar BONGO les conduisait d’ailleurs à se livrer une lutte acharnée dans laquelle la fin justifiait les moyens. Quant au népotisme, il amena à Omar BONGO de faire des membres de sa famille officielle et ceux de sa famille officieuse ses proches collaborateurs dans le gouvernement, l’administration présidentielle et le Parti démocratique gabonais (PDG). Politique de l’affection, il lui permettait ainsi d’avoir une emprise plus importante sur l’élite politique et sur l’appareil d’État car, en faisant de son pouvoir une affaire de famille, Omar BONGO savait pouvoir compter sur des acteurs dont la loyauté et la détermination seraient également un atout pour sa longévité politiqueThe present thesis lights the intelligibility of gabonese political regime under OMAR BONGO (1968-2009). More precisely, it notices that personal domination and elitist analysis are two supplementary approaches in the understanding of politics in Gabon and in sub-Saharan Africa. It shows with this effect that OMAR BONGO could not count that on itself to stay in power during almost half a century. He must also have leaned on a group of actors, called political elite, of which the organization and functioning being imprinted by its personal power. Indeed, access to this elite was governed by clientelism and nepostism, two reports of exchange which OMAR BONGO had established in principle of management of the upper personnel of the State. The first allowed him to build up clients able of working on the instructions or in an autonomous manner in his political longevity. Because of that, the actors who composed these clients were endowed to each of a capital of various resources which they activated and made bear fruit in order to help him to keep its scepter. The promotion of this capital to OMAR BONGO led them besides to devote themselves a persevered conflict. As for nepotism, it brought to OMAR BONGO to make members of its official family and those of its semiofficial family his close collaborators in the government, the presidential administration and the PDG, the party in power. Policy of affection, it allowed him so to have a more important hold on political elite and on State apparatus. Because, by making of his power a family business, OMAR BONGO knew how he will count on actors among whom fidelity and determination would be also a trump for his political longevity
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Adel, Fatma El-Zahraa. "L'effectivité du droit égyptien de la concurrence : essais de mise en perspective." Thesis, Paris 1, 2019. http://www.theses.fr/2019PA01D014.
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Après des décennies de mise en œuvre d’une politique économique protectionniste et enfermée, l’Égypte a opté en 1991 pour l’économie du marché et l’ouverture de ses frontières aux échanges internationaux. Dès lors, il manquait une pièce importante de lutte contre les cartels et le pouvoir de marché de manière générale. En 2005, l’Égypte a finalement adopté sa première législation de concurrence. Au regard de l’importance de l’Égypte au niveau régional et mondial, sur le plan économique et politique, il est opportun de s’intéresser à l’effectivité du droit égyptien de la concurrence, dans le but d’apprécier ses avancées et ses faiblesses et de proposer des pistes de perfectionnement. Cette étude cible des aspects qu’elle juge prioritaires : les règles substantielles, procédurales et institutionnelles visant la lutte contre les ententes secrètes, les abus de position dominante et les concentrations. Les appréciations et propositions sont faites à partir d’une mise en perspective de systèmes juridiques qui ont été choisis en référence : ceux de deux pays en développement (Brésil et Afrique du sud) et ceux des pays développés (Union européenne, la France et, à titre subsidiaire, les États-Unis). Elles entendent également tirer profit des travaux d’organisations internationalesAfter decades of adopting a protective and closed economic policy, Egypt has finally opted in 1991 for the market economy and the opening of its borders to international trade. However, an important aspect was missing ; the fight against cartels and market power in general. In 2005, Egypt has finally adopted its first competition law. Given the importance of Egypt at the regional and global levels, from both economic and political perspectives, it is timely to pay attention to the effectiveness of Egyptian competition law in order to evaluate its level of progress and its weaknesses and to propose methods and means of enhancement. This study is targeting issues and matters that are considered to be priorities: substantive, procedural and institutional rules aiming for fighting against cartels, abuse of dominance and mergers. The assessments and proposals set out in this study have been made in perspective of legal systems that have been chosen as reference: those of two developing countries (Brazil and South Africa) and those of developed countries (European Union, France and, alternatively, the United States). They also intend to benefit from the work of international organizations
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Pace, Michele. "Stochastic models and methods for multi-object tracking." Phd thesis, Université Sciences et Technologies - Bordeaux I, 2011. http://tel.archives-ouvertes.fr/tel-00651396.
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La poursuite multi-cibles a pour objet le suivi d'un ensemble de cibles mobiles à partir de données obtenues séquentiellement. Ce problème est particulièrement complexe du fait du nombre inconnu et variable de cibles, de la présence de bruit de mesure, de fausses alarmes, d'incertitude de détection et d'incertitude dans l'association de données. Les filtres PHD (Probability Hypothesis Density) constituent une nouvelle gamme de filtres adaptés à cette problématique. Ces techniques se distinguent des méthodes classiques (MHT, JPDAF, particulaire) par la modélisation de l'ensemble des cibles comme un ensemble fini aléatoire et par l'utilisation des moments de sa densité de probabilité. Dans la première partie, on s'intéresse principalement à la problématique de l'application des filtres PHD pour le filtrage multi-cibles maritime et aérien dans des scénarios réalistes et à l'étude des propriétés numériques de ces algorithmes. Dans la seconde partie, nous nous intéressons à l'étude théorique des processus de branchement liés aux équations du filtrage multi-cibles avec l'analyse des propriétés de stabilité et le comportement en temps long des semi-groupes d'intensités de branchements spatiaux. Ensuite, nous analysons les propriétés de stabilité exponentielle d'une classe d'équations à valeurs mesures que l'on rencontre dans le filtrage non-linéaire multi-cibles. Cette analyse s'applique notamment aux méthodes de type Monte Carlo séquentielles et aux algorithmes particulaires dans le cadre des filtres de Bernoulli et des filtres PHD.
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Zarate, Pérez Anibal Rafael. "L'indépendance des autorités de concurrence, analyse comparative, Colombie, France, Etats-Unis." Thesis, Paris 2, 2011. http://www.theses.fr/2011PA020031/document.
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Si l‘indépendance des autorités de concurrence est souvent justifiée par le besoin d‘une expertise objective, ce besoin ne suffit pourtant pas à la légitimer. Créées en contradiction apparente avec le principe de séparation des pouvoirs, les autorités de concurrence « indépendantes » ne peuvent trouver leur légitimité que dans la conjonction de diverses garanties institutionnelles, et de différents mécanismes de contrôle et procédures. S‘interroger sur la place de l‘indépendance des autorités de concurrence en Colombie suppose alors l‘identification de ces garanties et mécanismes. Leur analyse sera menée à travers une étude comparative de leur statut au regard de celui des autorités de concurrence française et américaine, dont les modèles ont influencé la constitution des autorités colombiennes. Elle permet de constater que les composantes de l‘indépendance varient et qu‘il n‘en existe pas un seul modèle à travers le monde. La présente étude conduit aussi à relever que certaines garanties statutaires de l'indépendance, pourtant accordées aux autorités de concurrence française et américaine et leur permettant disposer d‘un grand degré de liberté décisionnelle, ne sont pas octroyées aux autorités colombiennes. Assurer un degré plus important d‘indépendance aux autorités de concurrence en Colombie, par l‘attribution de certaines de ces garanties, requiert un renforcement des mécanismes de contrôle, procédures et voies de participation des citoyens dans la prise des décisions. L‘étude de la construction de l‘indépendance des autorités de concurrence, dans ses dimensions organique et fonctionnelle, doit donc être suivie par celle de ces contrôles. Un équilibre dans les contrôles constitue un facteur non seulement de légitimité, mais aussi un moyen de sauvegarder leur indépendance vis-à-vis des éléments extérieurs susceptibles d‘y porter atteinteAlthough Competition Agencies‘ independence is commonly explained through the necessity of objective expert decision-making, such necessity is not sufficient to legitimize their isolation from the government. Absent of democratic foundations and in apparent contradiction with the principle of Separation of Powers, "Independent" Competition Agencies attain their legitimacy from the conjunction of multiple institutional guarantees, control mechanisms and procedures, none of which may overshadow the others. Any effort to determine the role that the idea of independence plays in the institutional design of Colombian competition agencies requires an examination of these guarantees and mechanisms, as well as a comparison of their status to that of French and American agencies; whose institutional arrangement has influenced the constitution of Colombian authorities. Whilst the components of the independence vary in every analyzed jurisdiction (as there is not a unique institutional scheme of ―Independent‖ Agency), this study reveals that certain institutional guarantees recognized to agencies in France and in the United States, which grant them vast discretionary decision-making power, are not present in the specific case of Colombian agencies. Assuring a higher level of independence for Colombian competition authorities, by conferring them some of these guarantees, lean on a simultaneous effort to reinforce control mechanisms, procedures and instruments for citizen participation in the regulatory process. The construction of the independence of Competition Agencies – in both its organizational and functional dimensions – commands the design of institutional constraints. Maintaining a balance over these constraints to agency discretion not only constitutes a source of legitimacy, but equally becomes an effective means to safeguard their independence from external factors
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Tichý, David. "Návrh větrání čistého pracoviště pro elektrotechnický průmysl." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-227867.
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The work describes an air conditioning and circulation system of a clean room environment in of a semiconductor production site. It is based on given requirements for air cleanness, temperature preasure and relative moisture. The first half of the work describes the way the system should work, classification of construction and operation of the site. The second half describes the calculations of the given parameters on which the system is designed. The calculations deal with - Air exchange and maintaining the required parameters - Designing the muti stage air filtration system - Designing the air flow speed, intake and outlet parameters of the air conditiong distribution system - Desingning the air conditioning units and their possitioning in the utility room
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Dickinson, Michael R. "Design of a static concentrating photovoltaic roof tile /." 2001. http://www.library.unsw.edu.au/~thesis/adt-NUN/public/adt-NUN20020604.124549/index.html.
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CHUNG, CHENG-EN, and 鍾承恩. "Various Concentration of Conductive Polymer Additives on the Surface Anti-Static Electricity Property in Injection Molded ABS." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/y3e7qm.
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碩士中原大學
機械工程研究所
106
This study mainly analyzes the plastics material, ABS, one of the insulating material. There is a major concern that static electricity might remain on the surface of ABS product after manufacturing. The static electricity may cause personnel to suffer electrostatic discharge problems or may have accidents in working environment. In this study, polymer materials with anti-static properties were added to ABS to become a composites material with static dissipation properties. From the experiments performed, material properties of ABS including surface electrical properties, static dissipation, penetration, and mechanical properties such as hardness and tensile strength could be discovered. In the study, different proportion between ABS and the conductive polymer with anti-static properties were analyzed. The difference in material temperature, mold temperature and additive ratios could generate 11 combinations for data analysis. By adding different proportions of material, the pull-out strength shows an upward trend when the material temperature and the mold temperature were increasing. Through the increase in the proportion of conductive polymer, the data obtained after surface electrical and electrostatic dissipation tests presented an upward trend as well. When the proportion of conductive polymer increases, the hardness, tensile strength, and penetration rate tend to decrease. Based on the above results, the proportion of conductive polymer can change the characteristics of ABS raw material. , and the difference in proportions has a great influence also.
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Tian, Wun-jhao, and 田文肇. "Study on the Effect of Alcohol Concentration on Brake Reaction Times of Riders with Static Motorcycle Riding Simulator." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/90861557363811152850.
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碩士國立中央大學
機械工程研究所
96
In recent years, the urban traffic density and the rising constraints and costs supported by car drivers caused an increase of the use of two wheeled vehicles in Taiwan. Base on the department of statistics of MOTC reported in 2006, there are 1078 of every ten thousand motorcycles in A2 traffic accident. And after riding while intoxicated, the amount of motorcycle accidents in A1 traffic accident get more and more from 2004 to 2006. The data show that the motorcycle accident problem is quite serious. The study integrates the static motorcycle riding simulator and technologies of virtual reality (VR) to develop a VR system for measuring brake reaction time of motorcycle riders. The VR system that can simulate the actual riding scene lets motorcycle rider experiment in a safety condition. The study examined the estimation of influences on riding while intoxicated (breath alcohol concentration (BrAC) 0.15 mg/l and 0.25 mg/l) upon motorcycle riders, a test was taken to examine the brake reaction times of the sudden accident on the road. The results showed that alcohol, sex, ready-to-brake, braked by using single-handed or both hand and braked by using the left hand or right hand could influence brake reaction times, and higher BrAC was found to be correlated with longer brake reaction times.
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Tanaka, Hiroshi 1960. "Testing for structural differences in general commodity motor carriage." Thesis, 1991. http://hdl.handle.net/1957/37265.
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The U.S. trucking industry was deregulated with
implementation of the Motor Carrier Act of 1980. After
deregulation, increased concentration was observed in the
general freight segment of the industry. The purpose of
this study was to examine structural differences in general
freight commodity carriers and to help explain the increased
concentration. Cost functions were estimated for large and
small carriers in order to see whether or not size related
advantages exist.
Although the hypothesis of constant returns to scale
could not be rejected, significant structural differences
were found between large and small carriers. The results
imply that the services provided by large and small carriers
are different. Presence of "economies of integration and
"economies of route density" for large firms indicate the
possibility of oligopoly in the general freight commodity
trucking.Graduation date: 1992
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Roach, Lisa Aretha Nyala. "Temporal Variations in the Compliance of Gas Hydrate Formations." Thesis, 2012. http://hdl.handle.net/1807/44081.
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Seafloor compliance is a non-intrusive geophysical method sensitive to the shear modulus of the sediments below the seafloor. A compliance analysis requires the computation of the frequency dependent transfer function between the vertical stress, produced at the seafloor by the ultra low frequency passive source-infra-gravity waves, and the resulting displacement, related to velocity through the frequency. The displacement of the ocean floor is dependent on the elastic structure of the sediments and the compliance function is tuned to different depths, i.e., a change in the elastic parameters at a given depth is sensed by the compliance function at a particular frequency. In a gas hydrate system, the magnitude of the stiffness is a measure of the quantity of gas hydrates present. Gas hydrates contain immense stores of greenhouse gases making them relevant to climate change science, and represent an important potential alternative source of energy. Bullseye Vent is a gas hydrate system located in an area that has been intensively studied for over 2 decades and research results suggest that this system is evolving over time.
A partnership with NEPTUNE Canada allowed for the investigation of this possible evolution. This thesis describes a compliance experiment configured for NEPTUNE Canada’s seafloor observatory and its failure. It also describes the use of 203 days of simultaneously logged pressure and velocity time-series data, measured by a Scripps differential pressure gauge, and a Güralp CMG-1T broadband seismometer on NEPTUNE Canada’s seismic station, respectively, to evaluate variations in sediment stiffness near Bullseye. The evaluation resulted in a (- 4.49 x10-3± 3.52 x 10-3) % change of the transfer function of 3rd October, 2010 and represents a 2.88% decrease in the stiffness of the sediments over the period. This thesis also outlines a new algorithm for calculating the static compliance of isotropic layered sediments.