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Ducrocq, Gabriel. "Bayesian algorithms in high dimension, application to cosmology". Electronic Thesis or Diss., Institut polytechnique de Paris, 2022. http://www.theses.fr/2022IPPAG001.
Pełny tekst źródłaWe receive a faint light from the sky. This light is not uniform on the map of the sky but presents anisotropies. From these anisotropies, we can deduce its power spectrum, which in turn allows us to determine the cosmological parameters of the universe. Assuming the statistical model generating the sky map is a hierarchical linear Gaussian model and adding a prior distribution on the parameters, we can make Bayesian inference on these parameters. This allows us not only to have point estimates of the parameters, but also error bars on these quantities. In order to make this inference, we further develop the usual Gibbs sampler used in the CMB data analysis literature. We propose a way to shorten the resolution of a very high dimensional system while keeping the target distribution invariant. We also offer an algorithm based on an auxiliary variable to get around this resolution. Finally, using the concepts of centered and non centered parametrization, we use an interweaving strategy to have good mixing properties on the entire signal-to-noise ratio range.The second project regards the compression of MCMC chains. Subsampling a Markov chain always increases the asymptotic variance of the resulting estimator. Hence we want to keep the points that are the most representative so that this variance does not increase too much. Using a survey sampling method and control variates, we propose a two steps procedure to keep the points that are the most representative of the target distribution out of a MCMC chain: first, we use control-variates in order to get an estimator which writes as a weighted sum of the chain. Then, we use the cube method to subsample the weighted chain we got at the end of the first step. We propose a way to deal with negative weights arising at the first step, which are incompatible with the cube method. We also provide two ways to build control-variates: one based on the Stein trick and the other one based on the Gibbs control variates. Hence, our method does not necessitate the availability of the score function
Rudland, Sophie. "Faith, feeling and gender in the writing of Hartley, Wollstonecraft and Blake". Thesis, University of Warwick, 2013. http://wrap.warwick.ac.uk/62035/.
Pełny tekst źródłaGamberini, Christian. "Implementazione di un software mobile per l'organizzazione di allenamenti in gruppo nel ciclismo". Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amslaurea.unibo.it/6235/.
Pełny tekst źródłaMahalingam, Arun. "Modelling the generation of toxic combustion products and its transport in enclosure fires". Thesis, University of Greenwich, 2007. http://gala.gre.ac.uk/6235/.
Pełny tekst źródłaWallace, Benjamin. "Renormalization group analysis of self-interacting walks and spin systems". Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/62135.
Pełny tekst źródłaScience, Faculty of
Mathematics, Department of
Graduate
Dingwall, Riki. "Characterization of two ASD-associated genes in primary hippocampal neurons : SEMA5A and PTEN". Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/62435.
Pełny tekst źródłaQiu, Ye. "Modulation and roles of stress-responsive proteins in coxsackievirus infection". Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/62935.
Pełny tekst źródłaMedicine, Faculty of
Pathology and Laboratory Medicine, Department of
Graduate
Duong. "Correlation between magnetic interactions and magnetic structures in some antiferromagnetic rare earth intermetallic compounds". Amsterdam : Amsterdam : [s.n.] ; Universiteit van Amsterdam [Host], 2002. http://dare.uva.nl/document/62035.
Pełny tekst źródłaSchmidt, Daniel J. Ph D. Massachusetts Institute of Technology. "Engineering electroresponsive layer-by-layer thin films". Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/62735.
Pełny tekst źródłaCataloged from PDF version of thesis.
Includes bibliographical references.
Electroresponsive layer-by-layer (LbL) polymer films and polymer nanocomposite films were investigated as model systems for electrically triggered drug delivery applications and "mechanomutable" surface coating applications. Two strategies were implemented in the design of these electroresponsive films: the use of redox-active, chargeshifting nanoparticles and the control over local pH utilizing the electrochemical reduction of dissolved oxygen. These strategies and the multiple materials systems explored are described below. Redox-active Prussian Blue (PB) nanoparticles exhibit multiple, stable oxidation states and can shift their charge in response to mild electric potentials. The inherently negatively charged particles may be self-assembled into LbL films along with positively charged polyelectrolytes. When the PB in an LbL film is oxidized to its neutral state, dissolution of the film occurs as cohesive ionic crosslinks are broken and excess charge in the film brings in ions and water for electroneutrality, which solubilize the film components. The release of the polyanion dextran sulfate and the small molecule antibiotic gentamicin sulfate were precisely controlled with an electric potential. When PB is reduced, the negative charge on the particle is doubled, which results in film swelling and a decrease in stiffness. In films comprising PB and linear polyethyleneimine, reversible thickness changes on the order of 5-10% and reversible elastic modulus changes on the order of 50% (between 3.40 GPa and 1.75 GPa) were observed. Employing the second strategy mentioned above, the local pH near an electrode surface may be increased to more basic values when dissolved oxygen is electrochemically reduced to hydroxide ions. In the first model system explored, hydrogen bonded (H-bonded) films comprising polyvinylpyrrolidone (PVPON) and tannic acid (TA), were dissolved at constant bulk pH by applying mild potentials (-0.25 V to -1.00 V vs. Ag/AgCl). The dissolution mechanism and kinetics could be tuned with the magnitude of the applied voltage and the concentration of dissolved oxygen. In the second model system explored, films comprising polyallylamine hydrochloride (PAH) and sulfonated polystyrene (SPS) were found to undergo reversible and dramatic swelling/deswelling transitions on the order of roughly 300 vol% and mechanical transitions on the order of 600-800% (shear modulus between 230 kPa and 1.9 MPa and loss modulus between 90 kPa and 620 kPa). This thesis contributes to the applied materials science branch of chemical engineering. New polymer and polymer nanocomposite thin films were developed that can be further engineered and incorporated into implantable drug delivery devices for electrically triggered drug delivery or incorporated into MEMS and microfluidic systems for flow control or biomedical applications. Furthermore, the model systems presented here open doors for fundamental work on the transport of electrons, ions, and water through these electroresponsive films and the implications of transport phenomena on the control over film dissolution and swelling responses.
by Daniel J. Schmidt.
Ph.D.
Xu, Zhonghui 1968. "Kuafu--annotate and search for images on the Web". Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/62935.
Pełny tekst źródłaAmmar, Ammar (Ammar T. ). "Search using social networks". Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/62635.
Pełny tekst źródłaCataloged from PDF version of thesis.
Includes bibliographical references (p. 59-61).
In this thesis, we present an approach to the problem of personalized web search which makes use of the searcher's social network, in addition to the hyper-link based score used in most search engines. This combination of social and absolute search scores aims to improve the visibility of information that is relevant to the searcher, while maintaining any absolute measures of document importance . In our approach we adopt a flexible framework for combining information from different sources using Rank Aggregation techniques. Our search system, implemented using Java and Python, covers all the events and web pages present on MIT owned websites. We discuss the theory, design,and implementation of this system in details.
by Ammar Ammar.
M.Eng.
Rhim, Joong Bum. "Quantization of prior probabilities in Bayesian group decision-making". Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/62435.
Pełny tekst źródłaCataloged from PDF version of thesis.
Includes bibliographical references (p. 85-87).
In Bayesian hypothesis testing, a decision is made based on a prior probability distribution over the hypotheses, an observation with a known conditional distribution given the true hypothesis, and an assignment of costs to different types of errors. In a setting with multiple agents and the principle of "one person, one vote", the decisions of agents are typically combined by the majority rule. This thesis considers collections of group hypothesis testing problems over which the prior itself varies. Motivated by constraints on memory or computational resources of the agents, quantization of the prior probabilities is introduced, leading to novel analysis and design problems. Two hypotheses and three agents are sufficient to reveal various intricacies of the setting. This could arise with a team of three referees deciding by majority rule on whether a foul was committed. The referees face a collection of problems with different prior probabilities, varying by player. This scenario illustrates that even as all referees share the goal of making correct foul calls, opinions on the relative importance of missed detections and false alarms can vary. Whether cost functions are identical and whether referees use identical quantizers create variants of the problem. When referees are identical in both their cost functions and their quantizers for the prior probabilities, it is optimal for the referees to use the same decision rules. The homogeneity of the referees simplifies the problem to an equivalent single-referee problem with a lower-variance effective noise. Then the quantizer optimization problem is reduced to a problem previously solved by Varshney and Varshney (2008). Centroid and nearest-neighbor conditions that are necessary for quantizer optimality are provided. On the contrary, the problem becomes complicated when variations in cost functions or quantizers are allowed. In this case, decision-making and quantization problems create strategic form games; the decision-making game does always have a Nash equilibrium. The analysis shows that conflict between referees, in the form of variation in cost functions, makes overall team performance worse. Two ways to optimize quantizers are introduced and compared to each other. In the setting that referees purely collaborate, in the form of having equal cost functions, the effect of variations between their quantizers is analyzed. It is shown that the referees have incentive to use different quantizers rather than identical quantizers even though their cost functions are identical. In conclusion, a diverse team with a common goal performs best.
by Joong Bum Rhim.
S.M.
Pope, Benjamin J. "Spray deposition of cork reinforced polyester". Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/62535.
Pełny tekst źródłaCataloged from PDF version of thesis.
Includes bibliographical references (p. 55-57).
The objective of this research is to enable large part or high volume manufacturing processes to make consumer or industrial products from a cork reinforced polymer composite, similar to current applications of glass reinforced polyester. The low initial investment and high flexibility of the spray lay-up process make it an attractive candidate to study. A spray lay-up apparatus was successfully constructed and employed in manufacturing parts from a hybrid material composed of granulated cork, chopped glass strand, and a polyester matrix. The material was tested for tensile and flexural properties following relevant ASTM standards. The material was found to have a tensile strength of 4.4 MPa and tensile modulus of 850 MPa. The flexural strength and modulus were 9 MPa and 830 MPa, respectively. Adding a fiberglass skin to the cork hybrid significantly improved its flexural strength. Additionally, a small turbine blade prototype was created as a proof of concept. It is recommended that further work focus on optimizing the hybrid material's properties, re-designing and optimizing the apparatus used for the spray-up process, and demonstrating material viability by manufacturing a cross section of a large turbine blade.
by Benjamin J. Pope.
S.M.
Cason, Brian (Brian Paul). "Volatility of hotel market fundamentals and the determinants of variations between markets". Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/62135.
Pełny tekst źródłaCataloged from PDF version of thesis.
Includes bibliographical references (p. 79-80).
How can volatility as well as other dynamics and characteristics in hotel market fundamentals affecting risk be better understood? This paper explores that fundamental question along with other more specific questions that naturally follow: What are the markets and hotel sectors that exhibit the most volatility in RevPAR, and its various components: occupancy, ADR, absorption and completions? How can markets be characterized as more supply driven or demand driven? How can market revenue metrics be characterized as rate or occupancy driven? What determines the variations in these metrics? What markets behave similarly? What do these findings mean in terms of various risk management practices? This paper develops a model for the systematic analysis of hotel markets based on observed trends in historical data. The paper first calculates measures of volatility. It then develops a model to characterize markets based on which fundamentals play a larger role in hotel market dynamics. It then provides a further comparison of markets based on which exhibit similar movements in RevPAR. The findings then are analyzed for their meaning in terms of risk in hotel markets. Finally, the findings are interpreted to reach conclusions about the nature and determinants of volatility in hotel markets, and how to better mitigate these risks in portfolio selection.
by Brian Cason.
S.M.in Real Estate Development
Rhodes, Bradley James. "PHISH-nets : planning heuristically in situated hybrid networks". Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/62335.
Pełny tekst źródłaPeña, Pichardo Rubicelia. "Propuestas para el mejoramiento y aprovechamiento sustentable del Parque Nacional Lagunas de Zempoala". Tesis de Licenciatura, Universidad Autónoma del Estado de México, 2016. http://hdl.handle.net/20.500.11799/62535.
Pełny tekst źródłaDesde la antigüedad la relación del ser humano con el medio ambiente no ha sido la más cordial. Las actividades humanas constantemente están modificando el estado original de los ecosistemas, mismo que a su vez pone en riesgo la supervivencia de las generaciones futuras. Bajo es te contexto la creación d e las Á reas Naturales Protegidas (ANP) como estrategia mundial de protección de la diversidad biológica funge como mediador para controlar los procesos de perturbación a los que están siendo sometidos los recursos naturales a causa de las actividades ant ropogénicas. Los Parques Nacionales conforman una de las categorías de las ANP, su principal función como tal es brindar lugares propuestos para la conservación de la biodiversidad en los que el público pueda disfrutar de lugares de esparcimiento y recre ación con belleza natural, además de ofrecer servicios ambientales indispensables para la supervivencia del ser humano ya que ayudan a equilibrar los procesos ecológicos y así mejoran la calidad de vida de las personas.
González, López Lorena, i López Lorena González. "El retorno asistido de Migrantes Centroamericanos en Situación irregular en el Estado de México". Tesis de Licenciatura, Universidad Autónoma del Estado de México, 2016. http://hdl.handle.net/20.500.11799/62835.
Pełny tekst źródłaSilveira, Maria Inês da Costa. "O papel da embolização das artérias uterinas no tratamento dos fibromiomas e suas implicações na fertilidade". Master's thesis, Instituto de Ciências Biomédicas Abel Salazar, 2010. http://hdl.handle.net/10216/62235.
Pełny tekst źródłaDu, Plessis Colin. "Divided we stand : the origins of separation in South African rugby 1861-1899". Diss., University of Pretoria, 2017. http://hdl.handle.net/2263/62635.
Pełny tekst źródłaDissertation (MHCS)--University of Pretoria, 2017.
Historical and Heritage Studies
MHCS
Unrestricted
Casañ, Llopis Vicente José. "De la autopista al bulevar. Trazado viario y espacio público en la Valencia contemporánea, 1946-1988". Doctoral thesis, Universitat Politècnica de València, 2016. http://hdl.handle.net/10251/62535.
Pełny tekst źródła[ES] La presente tesis doctoral estudia la Valencia contemporánea desde el punto de vista del trazado viario y el espacio público, y en concreto, del viario arterial de la ciudad en el periodo de 1946 a 1988. El estudio de los antecedentes se remonta hasta la fundación de Valentia. El título "De la Autopista al Bulevar", pretende condensar en una frase el devenir de los grandes ejes estructurantes de la ciudad, desde los bulevares complejos del Plan General de Ordenación Urbana de 1946 (y la Ordenación de 1959), que mutaron en autopistas y autovías urbanas con el Plan General de 1966, cerrando el círculo con los bulevares, aunque en su versión más simplista, del Plan de 1988. Se analizan, en cada eje, las distintas versiones que a lo largo de más de cuarenta años se han ido sucediendo, sin que llegaran a ser construidas algunas de ellas en todo ese tiempo, con lo que se dispone de un amplio repertorio de soluciones proyectadas. E incluso a día de hoy, algunos de aquellos bulevares siguen pendientes de realización. Un objetivo primordial de la presente investigación, que por fortuna ha sido satisfecho abundantemente, era sacar a la luz material inédito sobre esta cuestión. La documentación más desconocida se concentra, lógicamente, en las primeras décadas (años '40 y '50). Con todo, se ha ido más atrás en el tiempo, obteniendo planos inéditos de finales del s. XIX y principios del XX. Para finalizar, la tesis incluye un anexo de documentos que recopila el material gráfico y escrito, en que se puede reconocer cada pieza íntegramente, pues a lo largo del trabajo se muestran mayoritariamente los fragmentos o los montajes que mejor ayudan al conocimiento de cada episodio viario.
[CAT] La present tesi doctoral estudia la València contemporània des del punt de vista del traçat viari i l'espai públic, i en concret, del viari arterial de la ciutat en el periode de 1946 a 1988. L'estudi dels antecedents es remunta fins a la fundació de Valentia. El títol "De l'Autopista al Bulevard", pretén condensar en una frase l'esdevindre dels grans eixos estructurants de la ciutat, des dels bulevards complexos del Pla General d'Ordenación Urbana de 1946 (i l' Ordenació de 1959), que van mutar en autopistes i autovies urbanes amb el Pla General de 1966, tancant el cercle amb els bulevards, tot i que en la seua versió més ximplista, del Pla de 1988. S' analitzen en cada eix, les diferents versions que al llarg de més de quaranta anys s'han anat succeint, sense que arribaren a ser construïdes algunes de elles en tot eixe temps, amb la qual cosa es disposa d' un ampli repertori de solucions projectades. I fins-i-tot a hores d'ara, hi ha alguns d'aquells bulevards que resten pendents de realització. Un objectiu primordial de la present investigació, que por fortuna ha sigut satisfet abundantment, era treure a la llum material inèdit al voltant d'aquesta qüestió. La documentació més desconeguda, com és lógic, es concentra en les primeres décades (anys '40 i '50). Amb tot, se n'ha anat més arrere en el temps, obtenint plànols inédits de finals del s. XIX i principis del XX. Per a finalitzar, la tesi inclou un annex de documents que recopila el material gràfic i escrit, en que es pot reconéixer cada peça íntegrament, doncs al llarg del treball es mostren preferentment els fragments o els muntatges que millor ajuden al coneixement de cada episodi viari.
Casañ Llopis, VJ. (2016). De la autopista al bulevar. Trazado viario y espacio público en la Valencia contemporánea, 1946-1988 [Tesis doctoral no publicada]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/62535
TESIS
Vidal, Núñez José. "Algunas contribuciones a problemas de optimización en programación matemática". Doctoral thesis, Universidad de Alicante, 2016. http://hdl.handle.net/10045/62735.
Pełny tekst źródłaSilveira, Maria Inês da Costa. "O papel da embolização das artérias uterinas no tratamento dos fibromiomas e suas implicações na fertilidade". Dissertação, Instituto de Ciências Biomédicas Abel Salazar, 2010. http://hdl.handle.net/10216/62235.
Pełny tekst źródłaConsolandi, C. "Development of DNA microarrays for human single nucleotide polymorphisms detection". Doctoral thesis, Università degli Studi di Milano, 2004. http://hdl.handle.net/2434/62035.
Pełny tekst źródłaHoffmann, Jauge Christian Amadeo. "Caracterización hidromecánica de mezclas de pellets de bentonita. Estudio experimental y constitutivo". Doctoral thesis, Universitat Politècnica de Catalunya, 2005. http://hdl.handle.net/10803/6235.
Pełny tekst źródłaUna de las propuestas más estudiada y aceptada como solución a este problema, es la construcción de depósitos subterráneos donde mantener el residuo aislado durante el resto de su vida activa, ENRESA (2000), Reseal (2000). PRACLAY (1998). Estos depósitos se han diseñado siguiendo el criterio de multibarreras: conjunto de barreras independientes y redundantes que mantienen el residuo aislado. Los residuos se disponen, dentro de contenedores metálicos, en nichos horizontales o verticales, excavados en la roca. Para ellenar el espacio entre la roca y el contenedor metálico se busca un material que representa una verdadera barrera aislante, denominada, barrera de ingeniería. Estos materiales están constituidos mayormente por bentonita.
El Proyecto EB, propone el estudio de un nuevo concepto de almacenamiento subterráneo para residuos radioactivos de larga actividad. El residuo se dispone dentro de contenedores metálicos alojados en nichos horizontales excavados en una roca arcillosa (Opalinus clay), y como material aislante, se utiliza una combinación de bloques y pellets de bentonita compactada. Ambos materiales se fabrican a partir de una misma bentonita, la bentonita Febex, ENRESA (2000).
La presente tesis doctoral, está asociada a los trabajos experimentales de caracterización del comportamiento hidromecánico de la muestras de pellets, realizados en el marco del proyecto EB. Para poder estudiar los aspectos más relevantes de la respuesta del material es necesario combinar distintas técnicas experimentales para el control de la succión (Romero, 2001) y adecuar las distintas metodologías de ensayo.
Los trabajos de tesis se realizaron en tres etapas fundamentales: Una primera etapa en la que se estudiaron las características estructurales de las mezclas de pellets de bentonita. Se prepararon muestras con distintas densidades secas y se realizaron ensayos de porosimetrías de mercurio (MIP) y ensayos de infiltración.
Una vez finalizada esta primera etapa, se definió una metodología de trabajo y se llevaron adelante los distintos ensayos del programa experimental. En esta etapa se describen las distintas técnicas y equipos experimentales y se presentan los resultados obtenidos en los distintos ensayos divididos en tres grupos; ensayos de caracterización del comportamiento hidráulico, en segundo lugar ensayos de expansión, hinchamiento y compresibilidad con control de la succión y finalmente los ensayos realizados para estudiar la influencia del tipo de transferencia de agua y ritmo de mojado en el comportamiento del material.
En la última etapa, se plantearon las bases conceptuales y leyes constitutivas de un modelo adecuado para materiales expansivos (Modelo BExM, Gens & Alonso (1992) y Alonso et al. (1999)). El modelo se implementó en un código numérico utilizando la técnica de diferencias finitas y aplicado al caso de las mezclas de pellets de bentonita. Se detalla la implementación de las distintas ecuaciones y se describe el planteo iterativo utilizado para su resolución. Adicionalmente, se sugiere una metodología para la deducción de los distintos parámetros del modelo, se indican las capacidades del modelo en distintos ejemplos y se comparan las predicciones del modelo con el comportamiento real observado.
Al final de la tesis, se presentan los resultados experimentales obtenidos en un ensayo a mediana escala, llamados ensayos de Columna de Infiltración. El objetivo de estos ensayos es estudiar la respuesta del material en una escala media, en condiciones muy controladas y similares a las de su utilización como material, en una barrera de ingeniería.
Cabral, António Pedro Serrasqueiro Robalo. "Homicídio por negligência em meio rodoviário: caracterização e tipologia de acidentes de viação com vítimas mortais no distrito de Lisboa". Master's thesis, Instituto Superior de Ciências da Saúde Egas Moniz, 2013. http://hdl.handle.net/10400.26/6235.
Pełny tekst źródłaOs acidentes de viação com vítimas mortais são uma das maiores causas de mortes em Portugal. O presente estudo tem como objetivo melhor compreender este fenómeno. Assim, foi feita uma caraterização estatística dos acidentes com vítimas mortais em meio rodoviário no distrito de Lisboa, identificaram-se os fatores associados à condução que podem ser dados como causas prováveis, caraterizaram-se os arguidos do crime de homicídio por negligência em acidentes de viação e explorou-se de que forma os fatores em estudo se relacionam entre si.
A amostra foi constituída por 115 acidentes ocorridos entre 2007 e 2011 no Distrito de Lisboa e investigados pelos NICAV da GNR. Os dados acerca dos acidentes foram recolhidos através da consulta de Relatórios Técnicos de Acidentes de Viação realizados pelos investigadores dos NICAV. Para realizar a caraterização deste tipo de acidentes foram utilizados métodos de análise estatística descritiva e inferencial, bem como o método multivariado Análise de Correspondências Múltiplas (ACM) e o método Análise de Clusters para procurar padrões na forma como os fatores em estudo se relacionam entre si e para a construção de uma tipologia.
Os resultados mais importantes indicam que as causas mais associadas com os acidentes com vítimas mortais são a distração e a velocidade excessiva, seguidas do incumprimento das regras de trânsito ou manobras irregulares e da fadiga ou adormecimento ao volante. Foram também encontradas três tipologias de acidentes com vítimas mortais: o despiste por negligência da vítima, o homicídio por negligência e os outros acidentes com vítimas mortais. A tipologia do homicídio por negligência está associada a suspeitos entre os 18 e os 26 anos, com pouca experiência de condução, consumos de álcool e/ou canabinóides, e cuja causa direta está associada à distração e as causas indiretas à alcoolização, à fadiga e à velocidade excessiva, representando uma negligência mais grosseira.
中西, 満貴典, i Mikinori Nakanishi. "メディア・リテラシーの批判的検討1 : 英語教育の実践を分析対象にして". Graduate School of International Development. Nagoya University, 2004. http://hdl.handle.net/2237/6235.
Pełny tekst źródłaFernandez, Anthony Vincent. "Phenomenology and the Crisis of Contemporary Psychiatry: Contingency, Naturalism, and Classification". Scholar Commons, 2016. http://scholarcommons.usf.edu/etd/6235.
Pełny tekst źródłaBocian, Artur. "Gas-loading apparatus for large-volume high-pressure cell". Thesis, University of Edinburgh, 2012. http://hdl.handle.net/1842/6235.
Pełny tekst źródłaStuart, Shirley Eleanor. "Quality of naps in infants across home and early childhood education centre settings". Thesis, University of Canterbury. Health Sciences Centre, 2011. http://hdl.handle.net/10092/6235.
Pełny tekst źródłaFrégeau, Marc-Olivier. "Régulation des récepteurs de l'inositol 1,4,5-trisphosphate par l'activation concomitante de différentes voies de signalisation". Thèse, Université de Sherbrooke, 2013. http://hdl.handle.net/11143/6235.
Pełny tekst źródłaPinjala, Mallikarjuna Rao. "Adhoc routing based data collection application in wireless sensor networks". Kansas State University, 2010. http://hdl.handle.net/2097/6235.
Pełny tekst źródłaDepartment of Computing and Information Sciences
Gurdip Singh
Ad hoc based routing protocol is a reactive protocol to route messages between mobile nodes. It allows nodes to pass messages through their neighbors to nodes which they cannot directly communicate. It uses Route Request (RREQ) and Route Reply (RREP) messages for communication. Wireless sensor networks consist of tiny sensor motes with capabilities of sensing, computation and wireless communication. This project aims to implement data collector application to collect the temperature data from the set of wireless sensor devices located within a building, which will help in gathering the information by finding the route with minimum number of hops to reach destination and generates low message traffic by not encouraging the duplicate message within the network. Using this application, wireless devices can communicate effectively to provide the network information to the user. This system consists of a mobile wireless sensor device called base station which is connected to a PC to communicate and is the root of the network. It also consists of set of client sensor devices which are present in different parts of the building. This project has been evaluated by determining how well the ad hoc protocol performs by measuring the number of messages and time consumed in learning about the complete topology. This application will eventually find the path with minimum number of hops. Simple Network Management Protocol (SNMP) is also used to monitor the sensor nodes remotely. This project was developed using nesC and C programming languages with TinyOS and UNIX based operating systems. It has been tested with a sufficient number of motes and evaluated based on the number of messages generated and number of hops traveled for each route request.
Pinto, Nuno Miguel Mesquita Gomes. "Flexão ativa e passiva da coxo femoral e a sua relação com a performance neuromuscular". Bachelor's thesis, [s.n.], 2017. http://hdl.handle.net/10284/6235.
Pełny tekst źródłaIntrodução: A avaliação funcional é determinante para a prática da fisioterapia. O uso do teste de elevação do membro (TEMI) na posição supinada, de forma ativa e passiva, permite avaliar a funcionalidade da musculaturaposterior da coxa. Objetivo: Comparar o TEMI ativo e passivo, e de que forma este se correlacionaria com a performance neuromuscular. Metodologia: Análise cinemática do TEMI ativo e passivo, com captura de análise do movimento 3D através do Qualisys Oqus Camera Series (Qualisys), e avaliação da força da musculatura do joelho através do Dinamómetro Isocinético Byodex System 4 Pro™ (Byodex). Resultados: Na avaliação da comparação do TEMI ativo com o TEMI passivo, só se obteve uma diferença estatisticamente significativa (p=0,01), na amplitude máxima de teste, entre a abdução/adução realizada de forma ativa e passiva do membro inferior esquerdo.. Na avaliação da força isocinética, nenhum dos parâmetros avaliados teve uma diferença estatisticamente significativa não existindo qualquer correlação com o TEMI ativo e passivo. Conclusão: Não existem diferenças significativas entre o TEMI ativo e passivo, e os valores deste, não parecem influenciar a performance neuromuscular.
Introduction: Functional assessment is essential for physical therapy practice. The use of the lower limb elevation test (TEMI) in the supinated position, in an active and passive way, allows to evaluate the functionality of the posterior muscles of the thigh. Objective: To compare active and passive TEMI, and how this would correlate with neuromuscular performance. Methodology: Kinematic analysis of active and passive TEMI, with capture of 3D movement analysis through the Qualisys Oqus Camera Series (Qualisys), and evaluation of knee muscle strength through the Byodex System 4 Pro Is Isokinetic Dynamometer (Byodex). Results: In the evaluation of the comparison of the active TEMI with the passive TEMI, only a statistically significant difference (P = 0.01) was found in the maximal test amplitude between abduction/adduction of the left lower limb performed actively and passively. In the evaluation of isokinetic strength, none of the parameters evaluated had a statistically significant difference and there was no correlation with active and passive TEMI. Conclusion: There are no significant differences between active and passive TEMI, and their values do not seem to influence neuromuscular performance.
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Assunção, Maria Saraiva Mendes. "mRNA genotyping by gold nanoprobes". Master's thesis, Faculdade de Ciências e Tecnologia, 2011. http://hdl.handle.net/10362/6235.
Pełny tekst źródłaBionanotechnology has emerged as a field with great potential for molecular diagnose. Namely, the use of gold nanoparticles has allowed the development of molecular diagnostic methods with greater sensitivity and specificity at a fraction of the cost inherent to conventional techniques. The present work assessed the ability of gold nanoprobes to detect targets with single base differences in RNA molecules following the colorimetric non-cross-linking method. As proof-of-concept, gold nanoprobes were designed, synthesized and characterized to detect three different SNPs (c.2731C>T, c.3232A>G and c.3238G>A) in the BRCA1 gene, a gene associated with inherited breast cancer. Reference materials, susceptible to be used for the calibration of the method, were created by cloning genomic fragments amplified from biological samples containing the sequences of interest in an appropriate vector for subsequent in vitro/in vivo transcription. Initially, the ability of target recognition by the gold nanoprobes was assessed using synthetic oligonucleotides targets alone and spiked-in total RNA of Saccharomyces cerevisiae, and later using transcripts synthetized in vitro/in vivo. This study revealed the capacity of target detection up to 0.25% of complementary target/total RNA, for a final concentration of complementary target of 0.12pmol/μL. It was also possible to detect and discriminate both c.3232A>G SNP alleles using only 0.08pmol/μL of in vitro transcript. For the in vivo transcript samples the results were inconclusive.
Marquez, María Celeste. "La evaluación de los estándares de calidad del área de estudios sociales y su influencia en el rendimiento académico en los estudiantes de la Escuela Rumiñahui del Cantón Pasaje - Ecuador periodo lectivo 2013 - 2014". Master's thesis, Universidad Nacional Mayor de San Marcos, 2016. https://hdl.handle.net/20.500.12672/6235.
Pełny tekst źródłaDetermina la influencia que existe entre la evaluación de los estándares de calidad del área de estudios sociales en el rendimiento académico de los estudiantes de la escuela Rumiñahui. Investigación aplicada, de nivel descriptivo, con diseño correlacional, en razón que establece relación entre las dos variables de estudio. La muestra está conformada por docentes: 05 del área de estudios sociales y alumnos: 90 de 8, 9, 10 año de EGB de la escuela. Además, esta investigación fundamenta teóricamente la evaluación y expone nuevas alternativas que ayuden a mejorar la evaluación de la asignatura de estudios sociales aplicando nuevas técnicas e instrumentos que se puedan utilizar.
Tesis
Doreen, Nchang. "Language, migration and identity: Exploring the trajectories and linguistic identities of some African migrants in Cape Town, South Africa". University of the Western Cape, 2018. http://hdl.handle.net/11394/6235.
Pełny tekst źródłaThis study is an exploration of the different trajectories of a selected number of African migrants into and around South Africa, focusing on the effects of these different trajectories on their language use patterns and linguistic identities. Informed by the interpretive paradigm, the study was done in order to show the effects of space, migration, trauma and ethno-linguistic tensions such as xenophobia on people's language use. Ultimately, the study is an analysis of a number of migrants' language biographies. South Africa is a multilingual and multicultural country with eleven official languages and many migrant languages, resulting from the flow of people from other countries, especially from highly multilingual and multicultural African countries, to this major economic hub on the continent. New trends in globalization witnessed across the globe and socio-political and economic instabilities witnessed in some countries, have prompted some of these migrants to move to South Africa, they see as more economically and politically stable than their home countries. Among those who have migrated to Cape Town South Africa are Cameroonian migrants whose living conditions will never be the same again. The study was conducted because there is a need for a better understanding of the strategies multilingual people employ to negotiate language and cultural differences in a globalized world, often under very trying conditions (as is the case in South Africa). The study critically explores the language biographies, the full repertoire of communicative resources of selected Cameroonian migrants in Cape Town as well as making visible their polylingual repertoires and associated attitudes and beliefs in the research domain. The theoretical framework for this study is shaped by theories of late modernity with reference to traditional sociolinguistics, globalization and migration. A multi-dimensional analytical approach is employed in this study, incorporating Discourse Analysis (DA), Narrative Analysis (NA), Critical Discourse Analysis (CDA), Thematic Analysis (TA) and Multimodal Discourse Analysis (MDA) that incorporates the Multimodal Biographic Approach.
Silva, Luiz Alberto Michet da. "Anticorpos antidoador em baixos níveis detectados por meio de prova cruzada por citometria de fluxo pré-transplante : influência na sobrevida do enxerto em transplante de rim de cadáver". reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2004. http://hdl.handle.net/10183/6235.
Pełny tekst źródłaStepova, K. V., i A. Z. Kontsur. "LEAD ADSORPTION FROM WASTEWASTER BY MODIFIED BENTONITE". Thesis, Львівський національний університет ім. І.Франка, 2019. http://hdl.handle.net/123456789/6235.
Pełny tekst źródłaBlanchard, Ryan. "An investigation of riparian vegetation recovery following invasive alien tree clearing in the Western Cape". Master's thesis, University of Cape Town, 2008. http://hdl.handle.net/11427/6235.
Pełny tekst źródłaIncludes bibliographical references (leaves 113-134).
Riparian zones are dynamic, as a result of varying levels of disturbance from natural flooding regimes, and this makes them particularly susceptible habitats to invasion by alien plants. In South Africa, particularly the Fynbos Biome, closed-stand invasions by alien Acacia and Eucalyptus species have been able to develop within riparian areas. Their impacts on water resources and biodiversity have been countered by manual clearing in order to protect the valuable ecosystem services provided by intact riparian zones, as well as the biodiversity of indigenous communities. The Working for Water programme is tasked with the important role of controlling invasive alien plants with an assumption that indigenous vegetation will recover naturally. Current management objectives are to reduce above ground biomass of invasive alien plants by labour intensive means, after which indigenous vegetation is usually left to recover without further intervention. However, it is unclear to what extent natural recovery can be achieved. The main aims of this study were to ascertain the nature of riparian vegetation recovery, as well as determine which clearing treatment was most successful in promoting recovery. This was achieved by focusing on: 1) the recovery of species composition and biodiversity, 2) recovery of vegetation structure (assumed to be a surrogate for ecosystem function) and 3) whether a particular clearing treatment best promoted indigenous riparian vegetation recovery. Reference sites (control), as determined by Prins et aI., (2004), were compared to alien impacted sites in order to analyse variation among vegetation variables. Three initial clearing treatments were identified, namely: Fell Only (trees are felled and slash left on site), Fell & Remove (slash is removed from the riparian zone) and Fell & Bum (the slash is left for six months to a year before it is burnt).
Simão, Fátima Cristina Paulino. "The effects of distinct herbicide regimes in soil arthropods". Master's thesis, Universidade de Aveiro, 2011. http://hdl.handle.net/10773/6235.
Pełny tekst źródłaAs práticas agrícolas têm sido associadas a perdas em larga escala a nível da biodiversidade. No entanto, elementos como as margens dos campos, são con-siderados importantes e com potencial para diminuir os impactes da agricultura ao promover fontes de alimento e refúgio. No entanto, os pesticidas e em parti-cular os herbicidas podem afectar estas áreas e provocar impactes nas comu-nidades que dependem destas estruturas. Devido à sua sensibilidade a pertur-bações, os artrópodes são um grupo ideal para avaliar os impactes de pestici-das nos sistemas agrícolas. Para além disto têm um papel fundamental nas teias tróficas, constituindo a maior fonte de alimento para muitos vertebrados que habitam nestes ambientes, como a espécie de lagartixa Podarcis bocagei. Neste estudo, avaliou-se o efeito da utilização de herbicidas nas comunidades de artrópodes de margens agrícolas, com recurso ao método de captura por armadilha de queda e a um método para estimar rapidamente a biodiversidade, a identificação a um nível taxonómico elevado. O estudo focou-se nas diferen-ças entre margens de campos com e sem herbicidas em duas estações, prima-vera e outono. A abundância, riqueza de grupos e a composição de guildas tróficas foram determinadas, assim como a abundância e tamanho dos artrópo-des presas de Podarcis bocagei, a lagartixa mais comum na área. Relativamente às diferenças encontradas entre os campos, destaca-se a ausência de um padrão negativo provocado pelos herbicidas. Na primavera os parâmetros avaliados foram, geralmente, mais elevados nas margens agrícolas tratadas. No outono o padrão que surgiu foi distinto, com um dos campos não expostos exibindo valores mais elevados para os parâmetros avaliados, sendo as diferenças entre os campos mais ténues. Os resultados parecem indicar que alguns dos campos são mais favoráveis às populações de artrópodes, assim como às populações de lacertídeos. No entanto, em geral o tratamento com herbicidas não foi suficiente para explicar as variações encontradas nas comunidades de artrópodes. Outros factores não avaliados, como a estrutura da paisagem e do habitat e a composição florística podem ter contribuído para as diferenças encontradas.
Since the advent of agricultural intensification that agricultural practices such as pesticide usage have become associated with large scale biodiversity losses. However, semi-natural landscape elements associated, such as field margins, are thought to benefit biodiversity and lessen the damaging effects of agricul-ture by providing sources of food and refuges. Nevertheless, Pesticides, and herbicides in particular may also affect these areas and consequently impact the communities that depend on these structures. Because of high diversity and sensitivity to disturbance, arthropods are ideal animals to assess impacts of pesticides in these ecosystems. Furthermore, they play essential roles in trophic webs, constituting the major diet components for many vertebrate spe-cies that inhabit these ecosystems, such as the lizard Podarcis bocagei. In this study the effects of herbicides on arthropod communities of field margins were estimated, using pitfall traps and identification to a higher taxonomic level as a rapid assessment method of biodiversity. The study focused on the differ-ences between herbicide treated and non-treated margins in two distinct sea-sons, spring and autumn, being abundance, group richness, guild composition, abundance and size of prey items of Podarcis bocagei, the most common lizard in the area, determined for all fields. Differences were found between fields, but no clear negative effects were evi-denced as a consequence of herbicidal treatment. In spring, margins of ex-posed fields generally exhibited higher values for the assessed parameters, while in autumn, a distinct pattern arose, with fewer differences found between communities. Results seem to indicate that some of the fields may be more favourable to arthropod populations, as well as lacertid populations, but overall, herbicide treatment was not sufficient to explain the variation found in arthropod commu-nities. Other unassessed factors such as landscape and habitat structure and plant community composition could be contributing to the differences found.
Maeda, Tamaki. "Tomioka Tessai's narrative landscape : rethinking Sino-Japanese traditions /". Thesis, Connect to this title online; UW restricted, 2004. http://hdl.handle.net/1773/6235.
Pełny tekst źródłaJohnson, Kristi Louise. "Benefits of Peer Tutoring Students with Disabilities in a Secondary School Setting". BYU ScholarsArchive, 2016. https://scholarsarchive.byu.edu/etd/6235.
Pełny tekst źródłaO'Neal, Elizabeth Elaine. "Parent-child conversations about safety in children with and without ADHD". Diss., University of Iowa, 2018. https://ir.uiowa.edu/etd/6235.
Pełny tekst źródłaPruss, Emmet J. "Environmental Values and Landscape Architecture: A New Ecological Paradigm Study". DigitalCommons@USU, 2017. https://digitalcommons.usu.edu/etd/6235.
Pełny tekst źródłaLewis, Tracy. "Obesity Epidemic in the Military: Implications for Veterans". ScholarWorks, 2019. https://scholarworks.waldenu.edu/dissertations/6235.
Pełny tekst źródłaArzenton, Valentina <1990>. "IL SISTEMA DEI CONTROLLI INTERNI NELLE IMPRESE DI ASSICURAZIONE". Master's Degree Thesis, Università Ca' Foscari Venezia, 2015. http://hdl.handle.net/10579/6235.
Pełny tekst źródłaWilliams, Hannah Jane. "Producing, trapping and controlling ultracold CaF molecules". Thesis, Imperial College London, 2018. http://hdl.handle.net/10044/1/62635.
Pełny tekst źródłaКуришко, О. О. "Система фінансового моніторингу в Україні". Thesis, Дніпропетровський національний університет ім. Олеся Гончара, 2010. http://essuir.sumdu.edu.ua/handle/123456789/62535.
Pełny tekst źródłaЛисянська, О. О. "Фінансові результати діяльності банків України в посткризовий період". Thesis, Українська академія банківської справи Національного банку України, 2011. http://essuir.sumdu.edu.ua/handle/123456789/62935.
Pełny tekst źródłaThis article contains a review of financial performance of banks in Ukraine in the post-crisis period.
Чистий збиток банківської системи у першому півріччі 2011 року склав 1,06 млрд. грн.; обсяг валових і процентних доходів – 67,9 млрд. грн. і 54,9 млрд. грн. відповідно. Зменшення збитків у першому півріччі 2011 року було наслідком розширення масштабів діяльності більшості банків України при підтримці помірних показників операційної ефективності.
Korzh, K. R., i S. V. Mikhno. "Patriotic motivation in advertising slogans as a reflection of political changes in the country". Thesis, Sumy State University, 2017. http://essuir.sumdu.edu.ua/handle/123456789/62835.
Pełny tekst źródłaКоломієць, Світлана Володимирівна, Светлана Владимировна Коломиец i Svitlana Volodymyrivna Kolomiiets. "Дослідження межі стійкості періодичних коливань у моделі лазера з безінерційним фільтром". Thesis, Національний технічний університет України «Київський політехнічний інститут ім. І. Сікорського, 2006. http://essuir.sumdu.edu.ua/handle/123456789/62735.
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