Дисертації з теми "Limited space"
Оформте джерело за APA, MLA, Chicago, Harvard та іншими стилями
Ознайомтеся з топ-50 дисертацій для дослідження на тему "Limited space".
Біля кожної праці в переліку літератури доступна кнопка «Додати до бібліографії». Скористайтеся нею – і ми автоматично оформимо бібліографічне посилання на обрану працю в потрібному вам стилі цитування: APA, MLA, «Гарвард», «Чикаго», «Ванкувер» тощо.
Також ви можете завантажити повний текст наукової публікації у форматі «.pdf» та прочитати онлайн анотацію до роботи, якщо відповідні параметри наявні в метаданих.
Переглядайте дисертації для різних дисциплін та оформлюйте правильно вашу бібліографію.
Ansari, Zafar A. "Limited Memory Space Dilation and Reduction Algorithms." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/9569.
Повний текст джерелаMaster of Science
MUSALLAM, ALI ABDULKAREEM. "PUNCH-THROUGH SPACE-CHARGE LIMITED LOADS (RESISTORS)." Diss., The University of Arizona, 1987. http://hdl.handle.net/10150/184085.
Повний текст джерелаCarr, Christopher G. "Space charge-limited emission studies using Coulomb's Law." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2004. http://library.nps.navy.mil/uhtbin/hyperion/04Jun%5FCarr.pdf.
Повний текст джерелаJohansson, Stina. "The family home : Sharing extremely limited space in Dharavi." Thesis, Umeå universitet, Arkitekthögskolan vid Umeå universitet, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-80464.
Повний текст джерелаJohnson, Eric N. "Limited authority adaptive flight control." Diss., Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/12953.
Повний текст джерелаMifsud, Dione. "Bastions and Rubble Walls.Counselling Ethnics in a Context of Limited Geographical Space." Thesis, University of Bristol, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.503889.
Повний текст джерелаLusk, Donna L. "Corporate Facility Management Case Study: Managing Intra-Office Churn in Limited Space." University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1447150379.
Повний текст джерелаPeng, Tong. "Distributed space-time coding techniques with limited feedback in cooperative MIMO networks." Thesis, University of York, 2014. http://etheses.whiterose.ac.uk/6969/.
Повний текст джерелаGrußien, Berit. "Capturing Polynomial Time and Logarithmic Space using Modular Decompositions and Limited Recursion." Doctoral thesis, Humboldt-Universität zu Berlin, 2017. http://dx.doi.org/10.18452/18548.
Повний текст джерелаThis theses is making contributions to the field of descriptive complexity theory. First, we look at the main open problem in this area: the question of whether there exists a logic that captures polynomial time (PTIME). We consider classes of graphs that are closed under taking induced subgraphs. For such graph classes, an effective graph decomposition, called modular decomposition, was introduced by Gallai in 1976. The graphs that are non-decomposable with respect to modular decomposition are called prime. We present a tool, the Modular Decomposition Theorem, that reduces (definable) canonization of a graph class C to (definable) canonization of the class of prime graphs of C that are colored with binary relations on a linearly ordered set. By an application of the Modular Decomposition Theorem, we show that fixed-point logic with counting (FP+C) captures PTIME on the class of permutation graphs and the class of chordal comparability graphs. We also prove that the modular decomposition tree is definable in symmetric transitive closure logic with counting (STC+C), and therefore, computable in logarithmic space. Further, we introduce a new logic for the complexity class logarithmic space (LOGSPACE). We extend first-order logic with counting by a new operator that allows it to formalize a limited form of recursion which can be evaluated in logarithmic space. We prove that the resulting logic LREC is strictly more expressive than deterministic transitive closure logic with counting (DTC+C) and that it is strictly contained in FP+C. We show that LREC captures LOGSPACE on the class of directed trees. We also study an extension LREC= of LREC that has nicer closure properties and that, unlike LREC, is more expressive than symmetric transitive closure logic (STC). We prove that LREC= captures LOGSPACE on the class of interval graphs and on the class of chordal claw-free graphs.
Willauer, Christian 1969. "Time and space limited : community art and neighborhood development in Hudson, New York." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/70729.
Повний текст джерелаIncludes bibliographical references (leaves 91-96).
Facing disinvestment and unemployment, many places look to culture-based strategies for revitalization. Traditional models of culture-based community revitalization, however, have been criticized for contributing to gentrification, social polarization, and cultural discrimination. Communities seeking to avoid the contradictions of market oriented culture-based revitalization strategies can look to the efforts of community based organizations for models of how culture and the arts can contribute to revitalization without being limited to defining the benefits of their efforts solely in economic terms. In this thesis, I describe the efforts of one arts organization, Time & Space Limited (TSL), as an example of this process. Through an in-depth case study, I describe the role of TSL, a community-based arts organization, in creating an alternative strategy for community revitalization through the arts in Hudson, New York.
by Christian Willauer.
M.C.P.
Glassey, Kalia R. "Development of an Imager System Optimized for Low-Power, Limited-Bandwidth Space Applications." DigitalCommons@CalPoly, 2009. https://digitalcommons.calpoly.edu/theses/64.
Повний текст джерелаZdzislaw, Szymanski Marek. "Charge transport in disordered organic semiconducting dendrimers studied by space-charge-limited transient currents." Thesis, Grenoble, 2012. http://www.theses.fr/2012GRENY065/document.
Повний текст джерелаThe thesis concerns space-charge-limited transient current measurements in thin (le500 nm) organic films. Such films find important applications in organic electronics, where they are referred to as organic semiconductor layers. Electrical transport in such films depends on bulk charge carrier transport and trapping, as well efficiency of charge carrier injection from electrodes. These, are all in turn depend on disorder inherent to organic materials. The transient measurement approach is very attractive, as it can, in principle, deliver information on all these aspects in one single measurement. In the thesis, three main contributions are presented. 1) A transimpedance amplifier based setup for space-charge-limited current transient measurement is validated. This type of setup is superior to the widely used bridge circuit, notably because of better current sensitivity, bandwidth, no need for bridge symmetry and no need for per sample adjustment. It is demonstrated that initial displacement current spike, which saturates the amplifier at the beginning of measurement, does not introduce error in the measurement of mobility. 2) A dendrimer molecule has been investigated. Experimental current responses are shown to be in agreement with the drift-diffusion model. However, obtaining agreement requires well defined initial conditions in experiment as well as in simulation, and also complete theoretical model of the sample. In the case of dendrimer, this model had to take into account both contact barrier and trapping effects. Furthermore, better agreement was obtained when taking disorder effects into account. 3) The impossibility of obtaining any agreement without complete physical model of the sample indicates that trapping, contact barrier and mobility parameters could be fitted without ambiguity. Therefore, complete electrical characterization consistent with simulation can be obtained using the transient technique. The results obtained further increase well known usefulness of transient space-charge-limited current characterization of thin organic films
Anderson, Christopher. "BANDWIDTH LIMITED 320 MBPS TRANSMITTER." International Foundation for Telemetering, 1996. http://hdl.handle.net/10150/607635.
Повний текст джерелаWith every new spacecraft that is designed comes a greater density of information that will be stored once it is in operation. This, coupled with the desire to reduce the number of ground stations needed to download this information from the spacecraft, places new requirements on telemetry transmitters. These new transmitters must be capable of data rates of 320 Mbps and beyond. Although the necessary bandwidth is available for some non-bandwidth-limited transmissions in Ka-Band and above, many systems will continue to rely on more narrow allocations down to X-Band. These systems will require filtering of the modulation to meet spectral limits. The usual requirements of this filtering also include that it not introduce high levels of inter-symbol interference (ISI) to the transmission. These constraints have been addressed at CE by implementing a DSP technique that pre-filters a QPSK symbol set to achieve bandwidth-limited 320 Mbps operation. This implementation operates within the speed range of the radiation-hardened digital technologies that are currently available and consumes less power than the traditional high-speed FIR techniques.
SEKINE, Ryojun. "Studies on Conformational Characteristics and Self-Assembled Structures of Polymers in Space-Limited Systems." 京都大学 (Kyoto University), 2009. http://hdl.handle.net/2433/84828.
Повний текст джерела0048
新制・課程博士
博士(工学)
甲第14871号
工博第3139号
新制||工||1470(附属図書館)
27293
UT51-2009-K667
京都大学大学院工学研究科高分子化学専攻
(主査)教授 伊藤 紳三郎, 教授 長谷川 博一, 教授 金谷 利治
学位規則第4条第1項該当
Zhang, Jiheng. "Limited processor sharing queues and multi-server queues." Diss., Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/34825.
Повний текст джерелаXiong, Qingrong. "Effect of pore space evolution on transport in porous media." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/effect-of-pore-space-evolution-on-transport-in-porous-media(a4915f54-983f-469c-9743-c30bfb230a00).html.
Повний текст джерелаEsa, Mazlina. "Electrically small high-temperature superconducting Y-Ba-Cu-O meander dipole antennas for space-limited applications." Thesis, University of Birmingham, 1996. http://etheses.bham.ac.uk//id/eprint/3603/.
Повний текст джерелаTakeshita, Satoshi. "Modeling of space-charge-limited current injection incorporating an advanced model of the Poole-Frenkel effect." Connect to this title online, 2008. http://etd.lib.clemson.edu/documents/1233080811/.
Повний текст джерелаMehrgou, Mehdi. "A method to apply ISO 3745 for the sound power measurement of I.C. Engines in a limited space." Thesis, KTH, MWL Marcus Wallenberg Laboratoriet, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-102032.
Повний текст джерелаZhu, Kunpeng. "Large Eddy Simulation and LIDAR 3-D Mapping for Optimization of Wind Power Generation in Limited-space Applications." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1314907225.
Повний текст джерелаGrußien, Berit [Verfasser], Martin [Gutachter] Grohe, Nicole [Gutachter] Schweikardt, and Johannes [Gutachter] Köbler. "Capturing Polynomial Time and Logarithmic Space using Modular Decompositions and Limited Recursion / Berit Grußien ; Gutachter: Martin Grohe, Nicole Schweikardt, Johannes Köbler." Berlin : Humboldt-Universität zu Berlin, 2017. http://d-nb.info/1189327546/34.
Повний текст джерелаStephens, Kenneth Frank. "Space-Charge Saturation and Current Limits in Cylindrical Drift Tubes and Planar Sheaths." Thesis, University of North Texas, 2000. https://digital.library.unt.edu/ark:/67531/metadc2598/.
Повний текст джерелаBergeson, Jeremy D. "Spin-dependent transport phenomena in organic semiconductors." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1167674229.
Повний текст джерелаMihálik, Ondrej. "Signály s omezeným spektrem, jejich vlastnosti a možnosti jejich extrapolace." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2019. http://www.nusl.cz/ntk/nusl-400958.
Повний текст джерелаXue, Han. "HYDROGRAPH-SEPARATION-BASED NON-POINT SOURCE POLLUTION MODELLING IN THE PINGQIAO RIVER BASIN,CHINA." 京都大学 (Kyoto University), 2017. http://hdl.handle.net/2433/225566.
Повний текст джерелаKyoto University (京都大学)
0048
新制・課程博士
博士(工学)
甲第20341号
工博第4278号
新制||工||1662(附属図書館)
京都大学大学院工学研究科社会基盤工学専攻
(主査)教授 寶 馨, 教授 立川 康人, 准教授 佐山 敬洋
学位規則第4条第1項該当
Kang, Yuhong. "Mechanisms, Conditions and Applications of Filament Formation and Rupture in Resistive Memories." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/77593.
Повний текст джерелаPh. D.
Kovář, Jakub. "Studium optoelektrických vlastností tenkých vrstev organických polovodičů." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2008. http://www.nusl.cz/ntk/nusl-216205.
Повний текст джерелаXavier, César Candido. "Desenvolvimento de ferramenta computacional para projeto de canhões de elétrons com grade e shadow-grid, PPM e coletores aplicados em válvulas de micro-ondas de potência e caracterização experimental." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/85/85134/tde-15092011-140900/.
Повний текст джерелаIn this paper we analyze the problem of transport of the electron beam in electron guns, periodic arrays of permanent magnets and collectors of simple and multiple stages. This analysis is of relevance in the design of power microwave devices such as klystron amplier and TWT valve. The dynamics of particles is determined from the solution of the equation of the trajectory that is derived from the Lorentz force and energy conservation law. The equation of the trajectory obtained is differential of second-order, non-linear and time independent for the generalized potential. It is used the Runge-Kutta 4th order method to integrate the equation of the trajectory of the particles. The electric scalar potential is obtained from the solution of the Poisson equation. Numerically, we obtain the electric and magnetic scalar potentials, using the Finite Element Method (FEM). Throughout the motion of a particle, obtained from the solution of the equation of the trajectory, electrical charge it is deposited. Macroparticles are used, since it is virtually impossible to model each particle of the problem, based on Particle in Cell scheme (Particle in Cell - PIC). In this case, there is a coupled problem for the electric scalar potential and the trajectories of the macroparticles, since these trajectories depend on the potential and the potential, in turn, depends on the trajectories. In order to abtain the convergence of this coupled problem, it used the Method of Successive Approximations (MSA). The platform developed, based on the above methods, consists of two computational tools. The rst, XMGUN, is dedicated to the project of: electron guns with grids and shadow-grids, and collectors of simple and multiple stages, where secondary electrons emission is considered. The second, XMAGUN, is used to the design of periodic permanent magnets structures. The XMGUN was benchmarked against the plan Pierce diode under space charge limited condiction. In turn, the XMAGUN was benchmarked against PPM like structures, separated by a vacuum and in the presence of pole pieces. The results, in all simulations, converged satisfactorily to the analytical solu- tions. Using XMGUN, it is designed an electron gun with 30 kV anode voltage, 1.37 Perv capable of supplying an electric current of 7.1 A. This gun has a mesh with 2796 elements and 5057 nodes. The main geometric characteristics of the electron gun are: cathode radius rc = 14.6 mm; cathode disc radius rk = 6.2 mm; and half cone angle = 37. In this case, the normalized transverse velocity and beam-waist distance from anode zw are 0.068 and 26.88 mm respectively. An agreement above 93% in current and perveance is found when compared with EGUN. XMGUN is also used to simulate single and multi stage collectors. The single-stage collector has 1612 nodes and 2969 elements, while the 4 (four) stages collector has 2496 nodes and 4257 we elements. The collector electrode voltages of the 1st, 2nd, 3rd and 4th stage are 9.45 kV 8.65 kV 3.45 kV 6.45 kV, respectively. During the simulations, due to yield of secondary electrons, for the single stage collector, it is observed macroparticles entering into the drift region, a phenomenon unwanted, and not observed for the 4 (four) stage collector. Whereas XMAGUN is projected at a periodic arrangement with pole pieces and 5 (ve) permanent magnets, capable of providing a magnetic eld in the center of the structure was 0.42 T. In this case, the geometry of the periodic arrangement is obtained: inner and outer radius of the permanent magnet rm1 = 3.5 mm and 7.5 mm respectively rm2 =; outer radius of the pole piece r3 = 7.5 mm, internal radius and external tip of the pole piece rf1=rf2 =1.6 mm and 3.05 mm respectively; permanent magnet thickness T = 2.95 mm magnetic period L = 8.5 mm. The remanence of the permanent magnet used is Br = 0.85 T. The net periodic structure of magnetic features little more than 20,000 nodes and 40,000 elements.
Shao, Ye. "Study of wide bandgap semiconductor nanowire field effect transistor and resonant tunneling device." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1448230793.
Повний текст джерелаVieira, Sérgio Filipe Gonçalves. "Object grouping in limited spaces." Master's thesis, Universidade de Aveiro, 2016. http://hdl.handle.net/10773/21737.
Повний текст джерелаCom a crescente necessidade de transporte de mercadoria como resultado da globalização económica, é importante o melhoramento dos processos e procedimentos das operações logísticas como o carregamento e descarregamento de mercadoria, por forma às corporações aumentarem a sua vantagem competitiva e rentabilidade. Esta dissertação explora e apresenta dois temas relacionados com processos logísticos: Posicionamento de volumes e tecnologias de deteção para monitorização de mercadorias. Uma heurística foi desenvolvida para atribuição e posicionamento 3D de volumes dentro de contentores seguindo uma estratégia de colocação que produz soluções verticalmente estáveis e com um alto grau de compactação. Desenvolveram-se dois protótipos usando tecnologia de deteção capaz de medição de volumes, varrimento por laser e visão estereoscópica por computador, como fundação para um sistema para monitorizar o carregamento e descarregamento de mercadorias. Estes sistemas pretendem providenciar assistência para os operadores logísticos na aplicação de normas e identificação de potenciais problemas. Os resultados obtidos pela heurística são promissores, mostrando que um conjunto de simples regras de posicionamento de caixas consegue obter uma boa percentagem de ocupação de volume do contentor. Ambos os protótipos de deteção apresentaram bons resultados nos testes de laboratório, com o protótipo de visão estereoscópica provando ser o mais preciso e fiável para potencial desenvolvimento em uma aplicação a ser instalada em contentores. Esta dissertação conclui com observações acerca de futuros melhoramentos e desenvolvimentos para o trabalho implementado.
With the ever necessity of cargo transportation as the results of economic globalization, it is important to improve the processes and procedures of logistic operations such as cargo loading and unloading, in order for corporations to increase their competitive advantage and profitability. This dissertation explores and presents two subjects related with logistic processes: Volume placement and sensing technologies for cargo monitoring. A heuristic was developed for 3D volume assignment and placement inside containers following a positioning strategy that produces vertically stable solutions with a high degree of compactness. Two prototypes using sensing technology capable of volume measurement, laser range finding and computer stereo vision, were developed as a foundation for a system for monitoring the loading and unloading of cargo. These systems aim to provide assistance to logistic operators on the application of standards and identification of potential issues. The obtained results on the heuristic are promising, showing that a simple set of rules for placement of boxes can achieve a good occupation percentage of the container’s volume. Both sensing prototypes showed good results on lab tests with the stereo vision prototype proving to be the most accurate and reliable for potential further developments into an application to be installed in containers. This dissertation concludes with remarks regarding future improvements and developments for the implemented work.
Abreu, Ana Rita Vicente Drumond de. "O som do espaço." Master's thesis, Universidade de Lisboa. Faculdade de Arquitetura, 2015. http://hdl.handle.net/10400.5/13586.
Повний текст джерелаGadisa, Abay. "Studies of Charge Transport and Energy Level in Solar Cells Based on Polymer/Fullerene Bulk Heterojunction." Doctoral thesis, Linköping : LInköping University, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-8047.
Повний текст джерелаSaraiva, Tiago Dias. "A Praça do Mar de Sines: espaço público gerado pelos seus limites." Master's thesis, Universidade de Évora, 2018. http://hdl.handle.net/10174/23295.
Повний текст джерелаAlbuquerque, Frederico Lopes Dias Negrelli de. "Espaços liminares. A relação público-privado na construção do espaço arquitectónico." Master's thesis, Universidade de Lisboa. Faculdade de Arquitetura, 2013. http://hdl.handle.net/10400.5/6942.
Повний текст джерелаAntão, Fábio Miguel Lampreia. "Sines, um rossio na frente de água." Master's thesis, Universidade de Évora, 2018. http://hdl.handle.net/10174/24815.
Повний текст джерелаFernandes, Maria Margarida Coelho. "Desenhar a casa." Master's thesis, Universidade de Lisboa. Faculdade de Arquitetura, 2013. http://hdl.handle.net/10400.5/12028.
Повний текст джерелаDesde que o Homem precisou de se proteger contra os elementos naturais adversos que surgiu a necessidade de criar uma estrutura que fosse capaz de o abrigar – esta foi a primeira forma de casa, dado que supria apenas essa necessidade. Ora, essa função é ultrapassada quando essa estrutura artificial, no meio da natureza, começa a ser personalizada por quem a utiliza, sendo nesse momento que surge a CASA. Desde cedo que ela é factor de estabilidade e segurança, sendo por isso factor fulcral na identificação do Homem como pessoa. Assim sendo, se o Arquitecto for capaz de compreender a importância que este elemento tem para a vida de cada um, ser-lhe-á possível proceder ao desenho de projecto de uma forma mais consciente, de modo a que o utilizador final se identifique com ela e a passe a reconhecer como sua. O acto de DESENHAR A CASA, que toma em consideração os seus moradores e percebe o que é realmente necessário que nela exista para que o sentimento de apropriação e pertença se desenvolva, torna-se ainda mais importante quando se trata de uma situação de realojamento social, tendo em conta que acabará inevitavelmente por ter que haver uma mudança de lugar íntimo – a CASA. No Bairro do Barruncho é imperativa a necessidade de uma solução arquitectónica de habitação que solucione a situação de precariedade infraestrutural. Assim sendo, foi criada e desenvolvida uma relação próxima com os moradores, de modo a que estes identificassem as fragilidades – que devem ser corrigidas – e as potencialidades – que serão utilizadas como ponto de partida para uma integração social dos mesmos na sociedade – do próprio Bairro. Deste modo DESENHAR DA CASA acaba por implicar alguma reestruturação do Bairro, porque ele por si só é a CASA dos seus moradores.
ABSTRACT: From that moment Man felt the need to protect himself from the adverse natural elements, rose the urge to create a structure which would be capable of sheltering him – this was the first form of house, since it only satisfied that need. Now, that function is surpassed when that artificial structure, in the middle of nature, begins to be customized by those who use it, that being the moment of the creation of a HOUSE. From the beginning of times it is seen as a stability and safety factor, hence being a fundamental factor in the identification of Man as person. Thus, if the Architect is able to understand the importance that this element has to the life of each one, it will be possible for him or her to make the project design in a more conscious way, enabling the final user to identify him or herself with it and as his or her own. The act of DRAWING THE HOUSE, which takes in to account their users and realizes what really must be in it in order to allow the development of the senses of ownership and belonging, becomes even more important when dealing with a situation of social resettlement, given that inevitably there will have to exist a shift of their intimate place – HOME. In Bairro do Barruncho, the need for an architectonic housing solution that ends the situation of infra-structural precariousness is of the utmost importance. Thus was created and nurtured a close relationship with the residents, in such a way that they would identify the fragilities – which must be corrected – and the potentialities – which will be used as a starting point towards the social integration of themselves in the society – the Neighborhood itself. Hence, DRAWING THE HOUSE will eventually lead to some restructuring of the District, as it stands by itself as the HOME of its residents.
Ferreira, Jair Cesar Maturano. "Praça Roosevelt: possibilidades e limites de uso do espaço público." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/8/8136/tde-08022010-130251/.
Повний текст джерелаWe propose a focus upon the recovery of Roosevelt Square within the prospect of producing space within the contexts of possession and appropriation. The transformations in the uses and functions of these spaces reveal the movement of capital, restructuring the city in its fashion. We propose an analysis of public spaces focusing on how they are absorbed within different cycles of capital investment. In this sense Roosevelt Square may be understood as a synecdoche of the cycles of modernization that have shaped the metropolis. Between the fields of political power and that of accumulation of capital we would have to say that public spaces are moving in the direction of control and privatization, losing their character in terms of social importance. In the battle between property acquisition and public appropriation conflicts emerge within public spaces. Although the trend is for ever more persistent limitation of their possible uses, social activities may take place there, reclaiming their place in public spaces.
Raposo, Andre Filipe Loureiro. "Os limites da Cova da Moura. Uma oportunidade ou uma barreira?" Master's thesis, Faculdade de Arquitectura de Lisboa, 2010. http://hdl.handle.net/10400.5/3344.
Повний текст джерелаO presente trabalho teve como principal objectivo uma reflexão acerca da problemática da adequação urbana que existia no caso de estudo do bairro da Cova da Moura, mais concretamente, da falta de continuidade que está patente nos limites do bairro. A articulação que me propus criar para explicar da melhor maneira o tema em questão, passou numa primeira instância pela definição do que é um limite, e de como este se define na Cova da Moura. Partindo então dessa premissa, analisei, através da obra de sociólogos, arquitectos e filósofos, os limites físicos e sociológicos que podemos definir para este mesmo lugar, com o propósito de clarificar de um modo adequado a especificidade social vivida na Cova da Moura. Funcionando então como base teórica e conceptual para a elaboração do ponto chave deste trabalho, a vertente prática associada a um Projecto de Arquitectura, elaborei uma solução construída para o problema que era vivido num dos limites existentes no bairro, na falta de articulação causada pela linha ferroviária existente a Norte da Cova da Moura, através de um edifício que permite a ligação entre as cotas adjacentes à estação. Chega-se então à conclusão que nós, enquanto Arquitectos, temos a obrigação de resolver e acima de tudo pensar este tipo de problemas no tecido urbano, caso contrário contribuímos unicamente para complexificar o que já é difícil de resolver. Por esta razão assistimos a situações em que a Arquitectura não resolve os problemas associados a determinado território, o que resulta num condicionamento da qualidade da experiência arquitectónica por parte dos utilizadores.
The current work had, as the main goal, a thought about the urban suitability that exists in the case study of Cova da Moura, more specifically, the lack of continuity that are displaced around the limits of this quarter. The organization that I’ve created to explain in a correct way this theme, passed by, firstly by a definition of the limit itself, and how it is exactly defined in Cova da Moura. Starting on this assumption, I’ve analyzed, through the work of some sociologists, architects and philosophers, the physical and sociological limits that we can define for this place, with the purpose of clarifying in an adequate way the social specificity that is lived in this quarter. Functioning as a theoretical and conceptual basis for the elaboration of this work, the practical side of an Architectural Project, I’ve created a built solution for the living problem around the boundaries of the quarter. on the lack or connection existing North of Cova da Moura, through a building capable of linking the two different heights on both side of the railroad. We can effectively conclude that we, as forming architects, have the obligation to solve and, above all think, this kind of urban tissues problems, otherwise we’ll only turn the problem even harder to solve. For this reason we can figure lots of situations in which Architecture does not solve the problems related with the territory, conditioning the quality of the users architectural experience.
Varagona, Scott Smith Michel. "Inverse limit spaces." Auburn, Ala, 2008. http://hdl.handle.net/10415/1486.
Повний текст джерелаHallin, Sara. "Modeling of Life-Limited Spare Units in a Steady-State Scenario." Thesis, KTH, Optimeringslära och systemteori, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-168567.
Повний текст джерелаHan, Tianyan. "Bulk heterojunction solar cells based on solution-processed triazatruxene derivatives." Thesis, Strasbourg, 2017. http://www.theses.fr/2017STRAD036/document.
Повний текст джерелаThe prospective conception of electron-donor/electron-acceptor (D/A) bulk heterojunction solar cells was first reported in 1990s, which blended the semiconducting polymer with fullerene derivatives, enhancing the power conversion efficiency. Since then, interests on this domain has been increasing continuously, and the efficiencies of BHJ solar cells have been increased dramatically. In this context, this thesis focuses on the study of a series of dumbbell-shaped small molecule donors, based on a highly planar unit called triazatruxene. The only difference between those molecules is the side-chains attached to central units and TAT units. As a consequence, the relationship between side chains nature and optoelectronic and structural properties of our TAT-based dumbbell-shaped molecular architecture will be investigated in detail. The impact of the alkyl chains on the molecular and thin film properties was also studied, with a particular emphasis put on microstructure and charge transport aspects. In-plane and out-of-plane charge carrier transport, with pure molecules and blend with fullerene, are measured in different systems. BHJ solar cells in blend with fullerene derivatives were also realized
Werner, Steven P. "Initiator diffraction limits for pulse detonation engine operation." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2002. http://library.nps.navy.mil/uhtbin/hyperion-image/02Dec%5FWerner.pdf.
Повний текст джерелаThesis advisor(s): Christopher M. Brophy, Jose O. Sinibaldi. Includes bibliographical references (p. 45-47). Also available online.
Herry, Ronan. "Contributions to functional inequalities and limit theorems on the configuration space." Thesis, Paris Est, 2018. http://www.theses.fr/2018PESC1134/document.
Повний текст джерелаWe present functional inequalities and limit theorems for point processes. We prove a modified logarithmic Sobolev inequalities, a Stein inequality and a exact fourth moment theorem for a large class of point processes including mixed binomial processes and Poisson point processes. The proofs of these inequalities are inspired by the Malliavin-Stein approach and the $Gamma$-calculus of Bakry-Emery. The implementation of these techniques requires a development of a stochastic analysis for point processes. As point processes are essentially discrete, we design a theory to study non-diffusive random objects. For Poisson point processes, we extend the Stein inequality to study stable convergence with respect to limits that are conditionally Gaussian. Applications to Poisson approximations of Gaussian processes and random geometry are given. We discuss transport inequalities for mixed binomial processes and their consequences in terms of concentration of measure. On a generic metric measured space, we present a refinement of the notion of concentration of measure that takes into account the parallel enlargement of distinct sets. We link this notion of improved concentration with the eigenvalues of the metric Laplacian and with a version of the Ricci curvature based on multi-marginal optimal transport
Amaral, Diego Passos. "Vida e coisa : o corpo como canteiro de obra." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/110326.
Повний текст джерелаThis dissertation stems from research conducted on visual poetics, which starts with an overview and analysis of ways of intensifying the human body’s potential, and proceeds to explore ways of inscribing and disseminating life as a work in progress. The body is reflected as a place and a limit from which meaning originates, splits, collides, and creates with other bodies. This paper consists of five volumes, all of which are independent, yet connected at the same time. In different ways, each volume presents and explores life combined with artistic procedures. Thus, the sum of all the presented elements that come together in this dissertation, opens a space of relations, contiguous to the unraveling of its own contour like a workspace that is simultaneously being measured and created.
Parlour, Selma. "Depicting limits : syntax, abstraction and space in contemporary painting." Thesis, Goldsmiths College (University of London), 2013. http://research.gold.ac.uk/10854/.
Повний текст джерелаLi, Heng. "Trap mediated piezoresponse of silicon in the space charge limit." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLX039/document.
Повний текст джерелаThis thesis presents a study of giant, anomalous piezo-resistance (PZR) in depleted nano-silicon. PZR in bulk silicon is a technologically important phenomenon in which mechanical stress changes the electrical resistivity via a change in the charge carrier effective masses. With continued reductions in device dimensions, it is of interest to explore the PZR of silicon micro- and nano-objects in which giant PZR and PZR of anomalous sign have been reported in recent years. The physical origin of these effects remains unclear and in some cases, even the veracity of the claimed results has been questioned. Some basic elements of the claimed effects are agreed upon, for example they occur in surface depleted nanostructures where transport is described by space charge limited currents (SCLC). In this thesis the details of the stress-dependence of the charge trapping and emission rates at fast electronic traps during SCLC transport in fully depleted silicon-on-insulator is probed using impedance spectroscopy. This, combined with an X-ray photo-electron spectroscopy study of statically deflected silicon cantilevers, strongly suggests that giant, non-steady-state PZR is due to stress-induced changes to hole trapping dynamics at intrinsic interface states. In contrast, under steady-state conditions like those used in all previous studies, giant PZR is not observed even in the presence of interface traps. On the other hand, anomalous, steady-state PZR is observed in defect engineered SCLC devices, and is shown to be the result of a voltage bias induced type change of the majority carrier. In chapter 1 the history of PZR is introduced. Prior reports of giant and anomalous PZR are then discussed. Chapter 2 presents the physical description of the PZR in silicon when transport occurs in the Ohmic regime. Both large-signal and small-signal SCLC transport are then introduced. Chapter 3 introduces the experimental details and the samples used throughout this work. Chapter 4 contains the principal impedance spectroscopy results. Giant, anomalous PZR and a novel piezo-capacitance are observed under non-steady-state conditions in fully-depleted silicon-on-insulator. Comparison of theory and data indicate that the devices operate in the SCLC regime in the presence of fast traps, and that the giant, anomalous PZR results from the stress dependence of the charge capture and emission rates of these traps. This in turn yields large changes of the non-equilibrium charge carrier concentrations. The importance of these observations in clarifying the physical origin, and the veracity of previous reports of steady-state, giant PZR, is discussed. Chapter 5 reports a comparison of Raman and XPS maps on statically deflected silicon cantilevers, providing a spectroscopic measurement of the stress-dependence of the pinned surface Fermi level at natively oxidized (001) silicon surfaces. A simplified analysis of the observed even symmetry of the stress-induced Fermi level shifts suggests that intrinsic interface defects (Pb0) are likely responsible for the giant, anomalous PZR reported in Chapter 4. Chapter 6 reports the DC bias dependence of the PZR in n.i.d. n-type, defect engineered silicon devices. The device characteristic exhibits three regimes; an Ohmic regime at low biases dominated by equilibrium electrons, a modified Mott-Gurney regime at intermediate biases dominated by holes injected from p++ contacts, and an electron-hole plasma regime at high biases. In each case the PZR depends on the majority carrier type; at low biases the usual n-type PZR is observed (i.e. the sign is negative); at intermediate biases it switches to the bulk p-type (i.e. positive) PZR; in the plasma regime, the PZR is a combination of the bulk electron and hole values. The results help shed light on observations of anomalous (i.e. sign reversed) PZR in depleted nano-silicon. Finally, chapter 7 summarizes the conclusions and introduces possible future research directions
Zeekoei, Elroy Denovanne. "A study of Dunford-Pettis-like properties with applications to polynomials and analytic functions on normed spaces / Elroy Denovanne Zeekoei." Thesis, North-West University, 2011. http://hdl.handle.net/10394/7586.
Повний текст джерелаThesis (M.Sc. (Mathematics))--North-West University, Potchefstroom Campus, 2012.
"Limited area: expanded space." 2008. http://library.cuhk.edu.hk/record=b5893846.
Повний текст джерела"Architecture Department, Chinese University of Hong Kong, Master of Architecture Programme 2007-2008, design report."
Includes bibliographical references (p. 204-206).
Thesis Statement --- p.5
Study Method --- p.9
"Phenomenon, Principle & Appearance" --- p.11
Study Area --- p.15
Precedent study --- p.17
Chapter - --- Chinese character --- p.19
Chapter - --- Platonic solid --- p.35
Chapter - --- Crystal --- p.43
Architectural example study --- p.59
Chapter - --- Phenomenon - simple but interesting subdivision --- p.61
Chapter - --- Principle - subdivision --- p.71
Chapter - --- envelope arrangment --- p.115
Chapter - --- opening --- p.127
Chapter - --- space extension --- p.135
Chapter - --- Reading examples with principles --- p.145
Testing on site --- p.155
Site context --- p.157
Site planning --- p.163
Testing on village houses --- p.177
Housing types --- p.179
Floor units --- p.183
House unit --- p.189
Bibliography --- p.203
Chiang, Chun-Ming, and 姜鈞銘. "Pentacene Space-Charge-Limited Transistor." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/68209747270898187945.
Повний текст джерела國立交通大學
光電工程系所
97
In this study, we developed a new vertical transistor and called space-charge limited transistors. Firstly, we discussed the pentacene carrier mobility in the vertical structure. The gold surface is modified by exposed ultraviolet light for several mins. According to our observation, after UV-treated gold surface, the work function of gold surface will be increased, the surface energy will be increased, and pentacene mobility will be improved, too. We used atomic force microscope to observe the pentacene molecular on gold with or without the UV treatment. In addition, we also observed the influence of pentacene deposition rate and mobility by used X-ray Diffractometer and atomic force microscope. Then, we demonstrated that the carrier will influence the bandwidth of frequency response. We used the polystyrene spheres as nano-scale mask to produce a mesh of the electrode structure, and we used the best previous results of pentacene evaporation to fabricate the space charge limited transistor. Therefore, we got a one volt operation voltage. However, we found some issues, such as the shadow effect of polystyrene spheres mask, the impact by nonuniform distribution of spheres, and the crystallization of active layer material itself so that the electrode spacing will be too close by using atomic force microscope and scanning electron microscope.
Feng, Jung-Yan, and 馮仲彥. "Small-Molecule Space-Charge-Limited Transistor." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/c5xwfw.
Повний текст джерела國立交通大學
光電工程研究所
103
The organic transistor has become more and more popular in recent years due to its advantages such as lower cost, simplicity in process, flexibility and high uniformity in large area which can hardly be found in the silicon transistor. This thesis will restrict transistors (space-charge-limited transistor, SCLT) components for small molecule material on the electrical properties of structures for Discussion. In the past we often used a conjugated polymer material poly (3-hexylthiophene), P3HT as an active layer material element, but the P3HT will react with the Oxygen in the air, resulting in deterioration of the electrical characteristics of components, as well as carrier mobility is not high. So we find some small molecules like HAT7 and TIPS pentacene to replace P3HT. Since HAT7 for the more novelty material, so this thesis only some discussion of basic electrical characteristics, but also has a structure in SCLT on/off ratio of 1000 to 10000. It is a good result on this basic research. On the other hand, from the recent studies have shown that TIPS pentacene can use different deposition methods, so that there is a small molecule arrangement direction of crystallization, and to obtain a high carrier mobility. Another advantage is able to stable in the air leading to most organic material, so we chose TIPs pentacene active layer material as a component. We use several thermal annealing conditions to make SCLT having current on/off ratio over 100000 and high output current over 20. To make the flexible device without package, we focused on TIPS pentacene SCLT for atmospheric stability made a series of tests.