Dissertations / Theses on the topic 'Canal'
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Campbell, Andrew John. "The politics of canal construction : the Ashby Canal, 1781-1804." Thesis, University of Leicester, 2012. http://hdl.handle.net/2381/27794.
Full textMaurin, Bruno. "Pharmacologie du canal CFTR : développement de molécules activatrices du canal." Thesis, Grenoble, 2012. http://www.theses.fr/2012GRENV085.
Full textPHARMACOLOGY OF CFTR CHANNEL: SYNTHESIS OF NEW ACTIVATORS OF CHLORIDE ION EFFLUX.After the discovery in our laboratory of a new reaction of methylglyoxal with α-aromatic aminoazaheterocycles, a novel family of CFTR modulators (“Cystic Fibrosis Transmembrane conductance Regulator”) has been identified in collaboration with the group of F. Becq in Poitiers. The dysfunctions of this transmembranar protein that result from different genetic mutations lead to several pathologies and among them to the genetic disease Cystic Fibrosis. In the search for more efficient CFTR activators from the structure of the best activator GPact-11a identified previously, a series of GPact-11a analogues was designed and synthesised through reaction of adenine derivatives with methylglyoxal or amino acids. The GPact-11a reactivity was also studied and used for the preparation of potential prodrugs and for the separation of the four enantiomers formed in the reaction leading to GPact-11a. Works were also developed to model the interactions between the synthesised derivatives and a CFTR model built through sequence by I. Callebaut, J.-P. Mornon and P. Lehn in order to design more rationally new activators and understand the biological effects
Madarati, Ahmad A. "Analysis and management of intra-canal fracture of root canal instruments." Thesis, University of Manchester, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.509729.
Full textMartin, Morgan. "Observation du canal canal B⁰s → ηc φ avec le détecteur LHCb." Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0244.
Full textThe interference between B⁰s meson decay amplitudes to CP final state directly or via mixing gives rise to a measurable CP-violating phase φs, which is predicted to be φs^{MS}=(-0.0370 ± 0.0006)rad in the Standard Model. However, such process may receive contributions from New Physics and change the value of φs. At present, the most precise measurement of φs is given by the LHCb experiment and the world average is φs^{exp}=(-0.021 ± 0.032)rad, with uncertainty still dominated by the statistics.In this context, a study of B⁰s→ηcφ decays is performed using pp collision data corresponding to an integrated luminosity of ~3.0fb⁻¹, collected with the LHCb detector during the Run~1 of the LHC. The observation of the decay B⁰s→ηcφ is reported, where the ηc meson is reconstructed in the p ̄p, K⁺K⁻π⁺π⁻, π⁺π⁻π⁺π⁻ and K⁺K⁻K⁺K⁻ decay modes and the φ(1020) in the K⁺K⁻ decay mode. The decay B⁰s→J/ψφ is used as a normalisation channel.The measured branching fraction is B(B⁰s→ηcφ)=(5.01 ± 0.53 ± 0.27 ± 0.63) x 10⁻⁴, where the first uncertainty is statistical, the second systematic and the third uncertainty is due to the limited knowledge of the external branching fractions
Jackoby, Joanna C. "Panama: owning the canal." Thesis, Monterey, California: Naval Postgraduate School, 2014. http://hdl.handle.net/10945/41395.
Full textIt is rare that Americans wonder about what happened to the Panama Canal after the United States turned it over to Panama in 1999. Since 2000, the Panamanians have been able to transform the canal into a profitable enterprise and successfully revert a good deal of Canal Zone infrastructure to public use through a combination of positive political decision-making, fiscally beneficial economic policies, and constructive management. The United States created the nation of Panama, built and managed the canal, and finally begrudgingly handed over sovereignty. To this extent, Panama's success is our success. Yet there has been surprising little real analysis of the changes in Panama that have resulted from a decade of ownership of the canal and the land surrounding it. It is time to appraise the results so far.
Gomes, Miguel Ferreira Pereira. "Canal SCADA na Web." Master's thesis, Universidade do Porto. Reitoria, 2002. http://hdl.handle.net/10216/10358.
Full textSohraby, Sarah. "Le canal sodium épithélial." Doctoral thesis, Universite Libre de Bruxelles, 1988. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/213399.
Full textGomes, Miguel Ferreira Pereira. "Canal SCADA na Web." Dissertação, Universidade do Porto. Reitoria, 2002. http://hdl.handle.net/10216/10358.
Full textCarmigniani, Rémi. "Canal redresseur de vagues." Thesis, Paris Est, 2017. http://www.theses.fr/2017PESC1049/document.
Full textHow to generate currents from water waves? Inspired by nature original way of pumping in the embryonic heart, two wave pumps are studied in the present thesis: the resonance wave pump directly inspired by the Liebau's pump and the waves above a submerged plate pump. The origin of the observed circulation is linked to the wave mass transport term: it corresponds to the amount of mass advected by the waves in the surface layer. The latter is the domain between the crest and the trough of the waves and is a part of the flow that is not always submerged. It is possible to amplify this surface term by resonance and by varying the bathymetry. The latter enables to generate local suction toward the surface layer and leads to mean circulation. The problem is described using a simple potential theory and a dissipative model is proposed to take into account wave dissipation due to friction and wave breaking. The simplified model is compared to experiments and simulations in both cases. It provides a simple framework to predict the pumps behavior: the interesting frequency range and the strength of the flow. It is also a tool for the design of real life applications
Waltham, Nathan John. "Fish in Artificial Urban Waterways: Ecology, Feeding and Contamination." Thesis, Griffith University, 2009. http://hdl.handle.net/10072/365979.
Full textThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
Griffith School of Environment
Science, Environment, Engineering and Technology
Full Text
Souhard, Benoît. "Codage conjoint source canal : application à la transmission d'images fixes sur canal ionospérique." Poitiers, 2004. http://www.theses.fr/2004POIT2253.
Full textBurden, Donald R. "The Whitewater Canal historic corridor guide." Virtual Press, 2006. http://liblink.bsu.edu/uhtbin/catkey/1338879.
Full textDepartment of Architecture
Poet, Mallorie. "Exploration du pore ionique d'un canal de la famille Enac / Degenerines, le canal Fanac." Nice, 2002. http://www.theses.fr/2002NICE5709.
Full textGolstein, Philippe. "Le canal à iodure thyroïdien." Doctoral thesis, Universite Libre de Bruxelles, 1995. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/212486.
Full textPanont, Fernando Sales. "Canal virtual de tempo-real." Universidade Federal de São Carlos, 2006. https://repositorio.ufscar.br/handle/ufscar/385.
Full textDue to the increase of general purpose operational systems support for real-time applications and by the increasing number of network interfaces with multiple communication technologies present in one single computational device, a middleware, with real-time characteristics, was designed and developed. This middleware encapsulates these communication technologies and protocols in order to improve fault tolerance and consequentially comply with deadlines for message transmission through connectivity options supply. Moreover, the Real Time Virtual Channel provides a virtual access point address mechanism, where each address maps a set of real access points from the consumer endpoint. For the translation of these addresses in real access points, name servers, known as Brokers, were also implemented.
Devido ao crescimento de suporte nos sistemas operacionais de propósito geral às aplicações de tempo-real e ao aumento do número de interfaces de rede com múltiplas tecnologias de comunicação em um mesmo dispositivo computacional, um middleware com características de tempo-real foi projetado e desenvolvido. Este middleware encapsula estas tecnologias e protocolos de comunicação de modo a aumentar a tolerância a falhas e, consequentemente, melhorar o cumprimento dos prazos de entrega de mensagens através do fornecimento de alternativas de conectividade. Além disso, Canal Virtual de Tempo-Real provê um mecanismo de endereçamento virtual de pontos de acesso, onde cada endereço faz o mapeamento de um conjunto de pontos de acesso reais da ponta consumidora. Para a tradução destes endereços em pontos de acesso reais, servidores de nomes, conhecidos como Brokers, também foram utilizados.
Negocios, Universidad Peruana de Ciencias Aplicadas Facultad de. "Merchandising en el canal tradicional." Universidad Peruana de Ciencias Aplicadas - UPC, 2008. http://hdl.handle.net/10757/272535.
Full textFreer, Wendy. "Canal boat people, 1840-1970." Thesis, University of Nottingham, 1991. http://eprints.nottingham.ac.uk/10946/.
Full textRobinson, Jonathan Peter. "Imaging of root canal preparation." Thesis, University of Birmingham, 2014. http://etheses.bham.ac.uk//id/eprint/5293/.
Full textLópez, Taverne Felipe. "Corredor verde : canal San Carlos." Tesis, Universidad de Chile, 2013. http://www.repositorio.uchile.cl/handle/2250/116272.
Full textCreo importante decir algo sobre como sueño la ciudad, una mirada con los principios que he adquirido e internalizado en el transcurso de seis años vividos en esta universidad, que difieren con los principios que se expresan desde otras casas de estudio respecto al espacio público. No se trata necesariamente de una representación del pensamiento académico de esta Facultad, sino de una visión particular, aquilatada, pensada y expresada a través de estos años que decantan en la propuesta que se expondrá en estas páginas. Existen variados indicios de la importancia de hacerse cargo de los problemas que enfrentan las ciudades y su conformación. Uno de ellos, quizás el más importantes en el último tiempo en nuestro país, es la aprobación de la Política Nacional de Desarrollo Urbano, después de casi trece años sin existencia de tal, que en sus considerandos iniciales da cuenta de la complejidad que presentan las ciudades.
Canetti, Patricia Kunst. "Canal contemporâneo: memórias e perspectivas." Pontifícia Universidade Católica de São Paulo, 2015. https://tede2.pucsp.br/handle/handle/18178.
Full textThis work is a survey of Canal Contemporâneo's fourteen years of memory - www.canalcontemporaneo.art.br - and analyzes this memory and its adjacent concepts to point out the prospects of this experiment / research , which reached a surprising longevity in Brazilian cultural Internet. The rescue of its history and collective memory was done in three chapters which thread runs through the editorial sections, platforms and actions of Canal Contemporâneo. In the first chapter we discuss its origin, the first stimuli, concepts and developments. Since then gathered actions that operate in the field of art, politics and communication, pointing to a perspective of narrative and rereading of contemporary art, with a work on Social Netwok Analysis and Data Visualization. The theoretical basis of this research that only begins is based on the following fields and authors: Data Visualization (Fernanda Viégas, Lev Manovich e Manuel Lima); Taxonomy (Marcia Lei Zeng e Jian Qin); Social Netwok Analysis (Katherine Faust e Stanley Wasserman) and models of Random Graphs (Paul Erdős e Alfréd Rényi), Small-World (Duncan J. Watts e Steven Strogatz), Preferential Attachment (Albert-László Barabási e Réka Albert); History and Sociology of Art (Aby Warburg, Alfred Gell e Bruno Latour). We hope that the new shared experience through this work can contribute to a broader view of collection, archiving and cultural heritage, for public policy of culture in Brazil
Este trabalho faz um levantamento da memória de quatorze anos de existência do Canal Contemporâneo www.canalcontemporaneo.art.br e analisa esta memória e seus conceitos adjacentes para apontar as perspectivas deste experimento/pesquisa, que atingiu uma longevidade surpreendente na Internet cultural brasileira. O resgate de sua história e memória coletiva foi feito em três capítulos cujo fio condutor perpassa as seções editoriais, as plataformas e as ações do Canal Contemporâneo. No primeiro capítulo abordamos a sua origem, os primeiros estímulos, conceitos e desdobramentos. Desde então reuniu ações que operam no campo da arte, da política e da comunicação, que apontam para uma perspectiva de narrativa e releitura da arte contemporânea, com um trabalho de Análise de Redes Sociais e Visualização de Dados. O embasamento teórico desta pesquisa que apenas se inicia se firma nos seguintes campos e autores: Visualizações de Dados (Fernanda Viégas, Lev Manovich e Manuel Lima); Taxonomia (Marcia Lei Zeng e Jian Qin); Análise de Redes Sociais (Katherine Faust e Stanley Wasserman) e dos modelos de Grafos Aleatórios (Paul Erdős e Alfréd Rényi), Small-World (Duncan J. Watts e Steven Strogatz), Preferential Attachment (Albert-László Barabási e Réka Albert); História e Sociologia da Arte (Aby Warburg, Alfred Gell e Bruno Latour). Esperamos que a nova experiência compartilhada através deste trabalho possa contribuir para uma visão mais ampla de acervo, arquivo e patrimônio cultural, para as políticas públicas de cultura no Brasil
Morgado, Tito. "Variações anatómicas do canal mandibular." Master's thesis, [s.n.], 2013. http://hdl.handle.net/10284/3925.
Full textO canal mandibular é uma estrutura radiograficamente delimitada por duas margens radiopacas, localizado no osso da mandíbula desde o buraco mandibular até ao buraco mentoniano, que serve de ducto para o nervo alveolar inferior, estrutura de vital importância nos tratamentos efectuados na mandíbula e, se não for correctamente identificada, por levar ao insucesso destes mesmos tratamentos. A sua anatomia padrão pode sofrer algumas alterações consideradas normais entre indivíduos da mesma espécie, mas encontra-se documentado na literatura, variações anatómicas que devem ser observadas atentamente pelo Médico Dentista, tanto a nível da anatomia como da forma, como a presença de canais bifurcados. Estas alterações são difíceis de prever mas a lesão do IAN acarreta problemas tanto para o Médico Dentista como para o paciente. Pretende-se com este trabalho monográfico da exposição do estado da arte existente sobre o IAN, as suas variações e os meios imagiológicos utilizados para a sua observação e análise. Para tal foi realizada uma revisão sistemática da literatura de acesso livre disponível na base de dados da Faculdade de Ciências da Saúde da Universidade Fernando Pessoa. Após a utilização das seguintes palavras-chave “inferior alveolar nerve”, “mandibular canal” e o marcador boleano “and” para a combinação entre diferentes palavras-chave “mandibular canal and variations”, “third molar and mandibular canal”, “sistemic desiases and mandibular canal”, com restrições temporais entre o ano de 2000 e o de 2013, e sujeitando os artigos encontrados aos critérios de inclusão, foram obtidos 49 artigos. Os resultados demonstram algumas incongruências de concordância, nomeadamente na real sensibilidade da ortopantomografia na observação da correcta relação entre o CM e as estruturas que o rodeiam. The mandibular canal is a structure radiographically opaque bounded by two edges and located in the jaw bone, between the mandibular and mento’s hole. It serves of duct for the inferior alveolar nerve which is a structure of vital importance in treatments carried out in the mandibula and, if not is correctly identified, can lead to treatments failure. Their pattern anatomy undergoes some individual changes considered normal in the same species, but is documented in the literature that abnormal anatomic variations should be observed carefully by the Dentist at both the anatomy and form (eg. presence of bifurcated canals). These changes are difficult to predict but the IAN injury causes problems for both the dentist and the patient. The aim of this monographic work is to do and exhibition of the existing state of art of the IAN, their variations and the means used for is imaging observation and analysis. For this, we conducted a systematic literature in freely accessible database available at the Faculdade de Ciência das Saúde da Universidade Fernando Pessoa. After using the following keywords “inferior alveolar nerve”, “mandibular canal” and the Boolean marker “and” for the different combination of keywords “mandibular canal and variations”, “third molar and mandibular canal”, “systemic desiases and mandibular canal” with temporal constraints between the year 2000 and 2013, and subjecting the articles found with the inclusion criteria were obtained 49 articles. The results show some inconsistencies of agreement, particularly in the real sensitivity of panoramic radiography in the observation of the correct relationship between the CM and the structures surrounding it.
Cardoso, Mariana Guerreiro Santos Chambel. "Relatório de estágio: canal 180." Master's thesis, Faculdade de Ciências Sociais e Humanas, Universidade Nova de Lisboa, 2012. http://hdl.handle.net/10362/7867.
Full textO presente relatório de estágio tem como objectivo apresentar uma análise do trabalho realizado entre Setembro e Novembro de 2011, no Canal 180. No decurso do estágio foram aplicados conhecimentos teóricos e práticos adquiridos durante a componente lectiva do Mestrado em Ciências da Comunicação – Especialização em Cinema e Televisão - e foram desenvolvidas capacidades novas na área de produção de televisão.
Le, Berre Véronique Françoise. "Imagerie normale du canal carpien." Université Louis Pasteur (Strasbourg) (1971-2008), 1985. http://www.theses.fr/1985STR1M100.
Full textGarcía, Maura Outeiral. "Caracterização direccional do canal rádio." Master's thesis, Universidade de Aveiro, 2009. http://hdl.handle.net/10773/2155.
Full textA rápida expansão das comunicações sem fios provocou o desenvolvimento de sistemas que tentam manter, simultaneamente, uma alta taxa de transmissão e uma elevada qualidade de serviço. É, portanto, indispensável conhecer o canal rádio, isto é, conseguir uma caracterização do canal rádio o mais precisa e profunda possível. O objectivo desta tese é o estudo e análise do canal rádio. Com esse fim, são estimados os parâmetros do canal utilizando o algoritmo SAGE (Space-Alternating Generalized Expectation Maximization) a partir do sinal recebido. Na primeira parte deste trabalho, realizou-se um estudo teórico do canal direccional: fenómenos que o afectam, definições de parâmetros, modelos de propagação e algoritmos de elevada resolução para a estimação dos seus parâmetros, entre outros. Seguidamente, foram levadas a cabo diversas campanhas de medidas em diferentes ambientes (indoor, outdoor e combinação dos dois), com a intenção de analisar o algoritmo SAGE e, assim, caracterizar o canal rádio. Com o propósito de facilitar o processamento e interpretação dos dados, implementaram-se várias ferramentas software. Foi dada atenção especial à representação gráfica da informação, tendo sido estudadas e implementadas várias formas de representação. Por último, depois de uma análise intensiva dos resultados obtidos nos diferentes cenários e ensaios, tanto sintéticos como reais, avaliouse o desempenho do algoritmo SAGE (no domínio do tempo e da frequência).
The wireless communication boom induced the development of systems which, simultaneously, try to keep a high transmission rate and a steep quality of service. Therefore, knowing the radio channel is indispensable, id est, to achieve a characterization of the radio channel in the most precise and deepest way. The objective of this project is the inquest and analysis of the radio channel. With that purpose, the channel parameters are estimated using the SAGE (Space-Alternating Generalized Expectation Maximization) algorithm from the signal taken in reception. In the first part of this work, a theoretical study of the directional channel was made: phenomena that influence it, definitions of parameters, propagation models and high resolution algorithms for the estimation of the channel parameters, and others. Later on, several measurement campaigns were made in different environments (indoor, outdoor and combination of both), in order to analyse the SAGE algorithm and, in that manner, characterize the radio channel. With the aim to make easier the processing and interpretation of the information, some software tools were implemented. Special attention has been given to graphical representation of information and several arrangements were studied and implemented. Finally, after an intensive analysis of the results in the different scenarios and trials, both synthetic and real, the performance of the SAGE algorithm was evaluated, in the time and frequency domains.
Gutiérrez, Hernández Julián Eli. "Drought Indices in Panama Canal." Master's thesis, Česká zemědělská univerzita v Praze, 2015. http://www.nusl.cz/ntk/nusl-258961.
Full textBedjaoui, Nadia. "Supervision dynamique d'un canal d'irrigation." Phd thesis, Grenoble INPG, 2006. http://www.theses.fr/2006INPG0199.
Full textThe main objective of irrigation canals is to satisfy the users' demands on water while preserving water resource. Manual for a long time, canals' control is now automatic which improves water management. Canal automatic control consists on manipulating structures according to measurements of sensors. The good unfolding of control process imposes correct measurements. However in practice, measurements are never correct and are usually subject to random noise and errors. These errors are generally instruments faulty effect. Consequently, it seems important to supply a monitoring system which allows fault detection and isolation. The work consists in developing a fault detection and isolation method for irrigation canals. This method is based on data reconciliation and diagnosis based observer. The first section concerns the application of data reconciliation on real data of the canal de Gignac. Irrigation canals are time-delay systems. The second section is about the extension of the diagnosis based observer to time-delay systems
Bedjaoui, Nadia. "Supervision dynamique d'un canal d'irrigation." Phd thesis, Grenoble INPG, 2006. http://tel.archives-ouvertes.fr/tel-00140232.
Full textNous développons dès lors une méthodologie de détection et de localisation des défauts dans les canaux d'irrigation. Cette méthodologie s'appuie sur les techniques de réconciliation de données et de diagnostic à base d'observateurs. La première partie est consacrée à l'application de la réconciliation de données sur un site réel du Canal de Gignac. Les canaux d'irrigation étant des systèmes à retards, la deuxième partie de ce travail porte sur l'extension des méthodes de diagnostic à base d'observateurs pour systèmes à retards.
Benhumea, Martínez Oscar Rai. "Corredor Multimodal Interoceánico: Análisis comparativo del Canal de Panamá y el Canal Interoceánico en México." Tesis de Licenciatura, Universidad Autónoma del Estado de México, 2019. http://hdl.handle.net/20.500.11799/104592.
Full textAdgé, Michel. "La construction du canal royal de la jonction des mers en Languedoc (Canal du Midi)." Thesis, Montpellier 3, 2011. http://www.theses.fr/2011MON30110.
Full textThis work deals with the building of the Canal du Midi from the onset to 1694.It first studies the projects of canals joining seas in ancient history, and then those of Burgundy and Languedoc in the 16th and 17th centuries, the failure of which provides the backdrop of the Canal du Midi endeavour.Leaving legends aside, we then explore the intellectual milieu in which the idea of a canal joining the Atlantic Ocean and the Mediterranean through Languedoc was sparked; the engineering of the coastal lagoon passes along the Gulf of Lion and the building of the port of Sète. Finally, we retrace the work of the study committee in 1664 and the resulting cost estimate.The second part of this dissertation deals with the works themselves and their financing, and finally with the finishing work on the canal by Vauban and his engineers
Zeckoski, Rebecca. "Water quality modeling for the Kennet and Avon Canal, a navigational canal in an inland catchment." Thesis, University of Cambridge, 2010. https://www.repository.cam.ac.uk/handle/1810/226858.
Full textMarangoni, Suzana Marcia. "Estudo do canal reverso de alimentos descartados comercialmente no varejo: análise do canal de produtos lácteos." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/96/96132/tde-06122010-144108/.
Full textThis work refers to the study of a reverse channel distribution of diary products. The objective was to verify the structure of the reverse channel of diary products which were not commercialized and how their management occurs. It is understood as not commercialized products diary foods which were not commercialized by the wholesalers and retailers and which the validity data has not expired yet. This work tried to identify specifically the reverse channel design of these foods and the function of each participant member of the channel of distribution; to investigate how management is made regarding the coordination, the commercial transactions and logistic channel reverse in focus, and also identify the portfolio of products in question. The relevance of the study is due to the increasing importance of the distribution channels, which have developed and innovated by means of different formats, as well as for value aggregation to its members, as a competitive market strategy. The objective of this study is to know the contrary path of the products in question in the distribution channel, which is called reverse, in reference to the movements of materials in the inverse direction to the one of the distribution chain. Currently in Brazil tons of alimentary products are disposed. Therefore, by means of this research, the intention is to verify if there is a reverse management structure for the disposal and/or reuse of not commercialized products. This work consists in an exploratory and qualitative research, being carried out through case studies, which researched an industry, three distributors, two wholesalers and six supermarkets. As instruments of data collection the procedure used was in depth interviews. The main result identified in this study was that the participating companies of the distribution channel of diary products do not have a defined structure for managing the reverse channel, that is, there is no model of the contrary path of the products in question in the distribution channel, even though the companies show interest.
Behboodi, Arash. "Réseaux coopératifs avec incertitude du canal." Phd thesis, Supélec, 2012. http://tel.archives-ouvertes.fr/tel-00765429.
Full textSarquis, Ana Lúcia Figueiredo. "Canal arterial em recém-nascidos prematuros." reponame:Repositório Institucional da UFPR, 2009. http://hdl.handle.net/1884/18043.
Full textKhan, Ali Akbar. "Bacterial penetration into root canal dentine." Thesis, Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/HKUTO/record/B39556918.
Full textIcart, Sylvie. "Matrices polynomiales et égalisation de canal." Habilitation à diriger des recherches, Université de Nice Sophia-Antipolis, 2013. http://tel.archives-ouvertes.fr/tel-00805547.
Full textMillette, Denis. "Reclamation of canal seepage affected land." Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59411.
Full textUsing a groundwater flow model, MODFLOW, it was found that a single deep interceptor drain would have failed to intercept all canal seepage and maintain the water table downslope of the canal below the 1.0 m design water table depth. Conversely, simulations indicated that with a grid drainage system, all canal and natural groundwater seepage would be intercepted and the water table would remain below the design water table depth, with or without irrigation recharge that would maintain a steady state salt balance.
The benefits of fall irrigation were demonstrated using three test plots near the canal.
Songer, Jocelyn Evelyn. "Superior semicircular canal dehiscence : auditory mechanisms." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/36165.
Full textIncludes bibliographical references.
Superior semicircular canal dehiscence (SCD) syndrome is a recently defined clinical disorder in which patients present to the clinic with vestibular symptoms, auditory symptoms, or both. Understanding the effect of SCD, a hole in the bony superior canal, on hearing will broaden our understanding of the mechanics of the inner ear and lead to better diagnosis and treatment of SCD syndrome. We evaluate the effect of SCD on cochlear responses to both air- and bone- conducted sound. In chinchilla SCD produces reversible changes in cochlear potential: an increased sensitivity to bone-conducted sound and a decreased sensitivity to air-conducted sound. Such differences in air- and bone-conducted sound (air-bone gaps) are typically associated with a conductive hearing loss due to middle-ear pathology; however, a SCD is an inner-ear pathology. We hypothesize that the SCD acts as a 'third window' into the inner ear, shunting volume velocity away from the cochlea and through the dehiscent canal, altering cochlear responses to sound. To qualitatively evaluate this hypothesis we measured sound-induced fluid motion within the SCD as well as the effect of SCD on sound-induced stapes velocity and middle-ear input admittance.
(cont.) Our results are consistent with the hypothesis that the SCD introduces a low-impedance shunt pathway. To quantitatively evaluate the third-window hypothesis we developed an anatomically and physiologically constrained lumped-element mechano-acoustic model that predicts the effect of SCD on cochlear responses. Our model also predicts the effect of anatomical variations, such as dehiscence size and location, on auditory sensitivity. This work demonstrates that an air-bone gap can be caused by pathological changes in inner-ear mechanics. Additionally, our model provides a framework that will be of direct clinical benefit in understanding the variable effects of SCD among patients.
by Jocelyn E. Songer.
Ph.D.
Pereira, Rodrigo Berçot Chabudet. "No ar : TV Brasil – Canal Integración." reponame:Repositório Institucional da UnB, 2006. http://repositorio.unb.br/handle/10482/2236.
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A TV Brasil - Canal Integración é a televisão pública internacional do Estado brasileiro. Sua missão é ser um agente de fomento da integração da América do Sul. Junto com a Telesur, uma iniciativa multinacional liderada pela Venezuela, a TV Brasil surge de uma necessidade dos países de se integrarem para fortalecer o processo de desenvolvimento regional. Procurase o fortalecimento da região frente ao mercado internacional, dentro de um paradigma de desenvolvimento ambiental e socialmente sustentável. A função da TV Brasil é de suavizar a transformação social necessária ao desenvolvimento, por meio da integração. A emissora se insere em um mercado televisivo dominado por poucos grupos midiáticos comerciais de grande porte, e com a presença de produções estrangeiras, especialmente dos EUA, nas grades das principais emissoras da América do Sul. Dentro deste contexto, a viabilidade da TV Brasil está relacionada com sua capacidade de fortalecer três aspectos determinantes: sua continuidade, sua credibilidade e o interesse da audiência. Para isso, são apontados sete caminhos: a autonomia, a busca pela diversidade, a inovação, a busca pelo desenvolvimento da audiência, a localidade, a gestão pró-ativa e o foco no cidadão. _______________________________________________________________________________ ABSTRACT
TV Brasil – Canal Integración is the international public television of the Brazilian State. Its mission is to serve as an agent to foster the integration of South America. Along with Telesur, a multinational television network headed by Venezuela, TV Brasil was born of the need of South American countries for integration, in order to fortify their regional development process. The objective is to make the region more competitive in the international market, following a development paradigm that is both environmentally and socially sustainable. The role of TV Brasil is to ease, through integration, the social transformation necessary for this development. The company is immersed in a regional television market that is controlled by a few large media conglomerates, and that shows a strong presence of foreign productions, especially those from the USA, in the programming of the main TV networks of South America. Within this context, the feasibility of the “TV Brasil” project is directly related to its capacity to strengthen three determining aspects: maintenance, credibility, and interest. In order to meet these needs, seven directions have been pointed out: autonomy; search for diversity; innovation; search for the audience; location; management proactivity; and citizen-focused service.
Humbert, Cyril. "Simulation du canal de propagation indoor." Université de Marne-la-Vallée, 2003. http://www.theses.fr/2003MARN0209.
Full textA good knowledge of the propagation channel and its effects is a prerequisite before deploying indoor high bit-rate wireless communication systems. Two complementary approaches can be used : measurements and simulations. The present work proceeds from the second approach. It consists in developing a simulation software based on the high-frequency approximation derived from optics. In the first part, we show how to take into account the pertinent physical phenomena, with respect to the precision of the simulations and the computational task. The adopted implementation is then brieffly described. Measurement experiments (at 2. 4 GHz) have been carried out in September 2002. Following a description of the experimental setup, we present in the last chapter a detailed comparison between measurements and simulations for a few experimental configurations
SOUQUET, JEAN-RENE. "Le syndrome du canal de Guyon." Toulouse 3, 1988. http://www.theses.fr/1988TOU31210.
Full textZahir, Azami Seyed Bahram. "Codage conjoint source / canal protection hiérarchique." Paris, ENST, 1999. http://www.theses.fr/1999ENST0007.
Full textGuiomar, Fernando Pedro Pereira. "Pós-compensação digital do canal óptico." Master's thesis, Universidade de Aveiro, 2009. http://hdl.handle.net/10773/2151.
Full textO contínuo aumento do tráfego de informação nas redes de telecomunicações tem levado a capacidade da fibra ao seu limite. Em sistemas DWDM com um curto espaçamento entre canais, o aumento das taxas de transmissão por canal obriga à reformulação do modo como é transmitida e detectada a informação. Novos formatos de modulação avançados tendem a ser adoptados em conjunto com a detecção coerente do sinal, por oposição aos actuais sistemas de modulação em intensidade e detecção directa. Aproveitando toda a informação do campo eléctrico do sinal, providenciada pela detecção coerente, novos métodos de pós-compensação digital das distorções do canal óptico podem ser aplicados. Nesta tese é estudado em detalhe um método de pós-compensação digital baseado na inversão da equação não-linear de Schrödinger, que através da propagação inversa do sinal recebido ao longo de uma fibra virtual permite estimar o sinal inicialmente transmitido. É demonstrado que este método permite a compensação conjunta dos efeitos lineares e não-linear na fibra. Foi desenvolvido um ambiente de simulação em MATLABr para permitir analisar o comportamento do método de propagação inversa em sistemas de transmissão ópticos com diferentes condições de teste. São identificadas e avaliadas as principais fontes de erro do método e estimado o seu impacto num sistema de transmissão real. São apresentadas ainda algumas heurísticas para adopção de parâmetros de compensação que optimizem o compromisso entre desempenho e esforço computacional da compensação digital.
The continuous increase of data traffic in telecommunications networks has led fiber capacity to its limit. In DWDM systems with a short channel spacing, the increase in transmission rates per channel requires the reformulation of how the information is transmitted and detected. New advanced modulation formats tend to be adopted in conjunction with signal's coherent detection, as opposed to current systems using intensity modulation and direct detection. Taking all the signal's electric field information, provided by coherent detection, new methods can be applied for impairment digital post-compensation in the optical channel. This thesis studied in detail a digital post-compensation method based on the inversion of Schrödinger’s nonlinear equation, which by the inverse propagation of the received signal over a virtual fiber allows to estimate the originally transmitted signal. We proved that this method allows for the joint compensation of linear and nonlinear impairments in fiber. We developed a simulation environment in MATLABr to allow behavior analyzing of the backpropagation's method on optical transmission systems with different test conditions. We identified and evaluated the main error sources of the method and estimated its impact on a real transmission system. We also present some heuristics for the adoption of compensation parameters that optimize the compromise between performance and computational requirements of digital compensation.
Siala, Mohamed. "Codage pour le canal d'enregistrement magnétique /." Paris : Ecole nationale supérieure des télécommunications, 1995. http://catalogue.bnf.fr/ark:/12148/cb35776874x.
Full textGay-Bellile, Olivier. "Architecture programmable pour le décodage canal /." Paris : École nationale supérieure des télécommunications, 1999. http://catalogue.bnf.fr/ark:/12148/cb37101038f.
Full textThongsin, Amonthep. "The Kra Canal and Thai security." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2002. http://library.nps.navy.mil/uhtbin/hyperion-image/02Jun%5FThongsin.pdf.
Full textHeard, Fiona Margaret. "Preparation techniques in root canal therapy." Thesis, The University of Sydney, 1990. http://hdl.handle.net/2123/4657.
Full textAkhand, Md Nurul Alam. "A canal irrigation water allocation model." Diss., The University of Arizona, 1992. http://hdl.handle.net/10150/185910.
Full textMelo, Samuel Teles de. "A ampliação do Canal do Panamá." reponame:Repositório Institucional da UFSC, 2013. https://repositorio.ufsc.br/handle/123456789/107455.
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Abstract: The Panama Canal is located in Central America in the Republic of Panama. Its strategic location allows connecting the Atlantic and Pacific Oceans through an isthmus of 83 km long and 26 meters high. Due to the extremely natural complexity, its construction has become a major engineering challenge, the first French attempt failed between 1881-1889 and was completed by the U.S. military in the period 1904-1914. Meanwhile, Panama became an independent country - with direct U.S. aid - and subsequently signed an international treaty with the United States for the construction, administration and sovereignty of the Canal Zone by the Americans. Given the expansion of international trade after World War II the traffic capacity of the Canal has become a limiting factor for the passage of larger vessels. Furthermore, the internal problems associated growing disinterest on the American Canal led to a renegotiation of the treaty with the USA. Thus, in 1977 both countries signed the Torrijos-Carter Treaty whose goal was a gradual transition from 20 years to the full Panamanian control and management over the sovereignty of the Canal. Within this period of transition (1979-1999), the U.S. overthrew dictator Noriega in 1989 under the fear of the weakening of the bilateral relations between the countries as well as ensuring free flow of trade at the Canal. Thus, the process of democratization started in the 1990s provided the input Foreign Direct Investment, privatization and modernization for the Panamanian Port Sector. With the end of the transition period and the Canal Zone in 1999, the newly created agency ACP acquired administrative autonomy and now manages the Canal as a public entity with a focus on providing quality services which consequently became in a financial surplus entity. Therefore, the Canal?s duplication project was approved in a national referendum in 2006 and the construction work began in 2008. With the duplication it is expected to strengthen the flow of trade between the Americas and Asia, mainly from USA, China, Japan, Korea and Chile. Similarly, there is an opening up prospects for advancement Brazilian trade due to transport infrastructure projects by the Brazilian federal government to strengthen the use of ports in the North and Northeast of Brazil.
Sant'Anna, Junior Arnaldo [UNESP]. "Avaliação do preenchimento de canais laterais simulados proporcionais pela guta-percha e Resilon empregando diferentes técnicas de obturação." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/104181.
Full textConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
O objetivo deste estudo foi avaliar a capacidade de preenchimento de canais laterais simulados pela guta-percha e Resilon, empregando diferentes técnicas termoplastificadoras de obturação: Condensação Vertical Aquecida (CVA), Compactação Termomecânica (CT) e Sistema Obtura II (SO). Foram utilizados 135 dentes humanos unirradiculados extraídos. Após preparo biomecânico, foram confeccionados seis canais laterais simulados em suas raízes, de acordo com a técnica proposta por Venturi et al. (2005). O diâmetro desses canais foi correspondente aos instrumentos # 08 e 10, sendo estabelecidos a 2, 5 e 8 mm do comprimento de trabalho (CT). Os espécimes foram divididos em 9 grupos (n=15), sendo: Grupo I (CVA + guta-percha Dentsply), Grupo II (CVA + Resilon), Grupo III (CVA + guta-percha Odous), Grupo IV (CT + guta-percha Dentsply), Grupo V (CT + Resilon), Grupo VI (CT + guta-percha Odous), Grupo VII (SO + guta-percha Obtura Flow 150), Grupo VIII (SO + Resilon) e Grupo IX (SO + guta-percha Odous Flow). Após a realização das obturações, os espécimes foram analisados pelos métodos radiográfico e diafanização, em função do percentual de preenchimento nos canais laterais, nos três terços. Os resultados foram submetidos ao teste de Kruskal-Wallis, com 5% de nível de significância, de acordo com avaliações específicas intra-grupos: CVA (Grupos I, II e III), CTH (Grupos IV, V e VI), SO (Grupos VII, VIII e IX) e Resilon (Grupos II, V e VIII). As avaliações CVA e CTH mostraram que o Resilon apresentou maior capacidade de preenchimento nas duas análises, em relação aos demais materiais, nos terços apical e médio (p<0,05). Quanto à avaliação SO, todos os materiais apresentaram boa capacidade de preenchimento dos canais laterais em todos os terços, com exceção do terço cervical onde o Resilon foi...
The aim of this study was to evaluate the ability of gutta-percha and Resilon to fill simulated canals using different thermoplastic obturation techniques: Warm Vertical Compaction (CVA), Thermomechanical Compaction (CTE) and Obtura II System (SO). It was used 135 extracted human teeth uniradicular. After biomechanical preparation, six simulated lateral canals were prepared in the roots, according to the technique proposed by Venturi et al. (2005). The diameter of these canals was equivalent to # 08 and 10 instruments and are set at 2, 5 and 8 mm to working length (WL). The specimens were divided into nine groups (n=15), as follow: Group I (CVA + gutta-percha Denstply), Group II (CVA + Resilon), Group III (CVA + gutta-percha Odous), Group IV (CTE + gutta-percha Dentsply), Group V (CTE + Resilon), Group VI (CTE + gutta-percha Odous), Group VII (SO + gutta-percha Obtura Flow 150), Group VIII (SO + Resilon) and Group IX (SO + gutta-percha Odous Flow). After the obturation, the samples were analyzed by radiographic and clearing methods, according to percentage of filling the lateral canals, in the three thirds. The result were submitted to the Kruskal-Wallis test at 5% significance level, according to specific intra-group evaluations: CVA (Groups I, II and III), CTH (Groups IV, V and VI), SO (Groups VII, VIII and IX) and Resilon (Groups II, V and VIII). CVA and CTH assessments showed that the Resilon has great ability to fill lateral canals in the two tests, compared to the other materials, in the apical and middle thirds (p < 0.05). As for SO evaluation, all materials showed good filling capacity of the lateral canals in all thirds, except in the cervical third where Resilon was better by radiographic analysis (extension and area) and in the cervical and middle thirds for clearing analysis (extension)... (Complete abstract click electronic access below)
Zheng, Shuo. "Prise en compte des contraintes de canal dans les schémas de codage vidéo conjoint du source-canal." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLT005/document.
Full textSoftCast based Linear Video Coding (LVC) schemes have been emerged in the last decade as a quasi analog joint-source-channel alternative to classical video coding schemes. Theoretical analyses have shown that analog coding is better than digital coding in a multicast scenario when the channel signal-to-noise ratios (C-SNR) differ among receivers. LVC schemes provide in such context a decoded video quality at different receivers proportional to their C-SNR.This thesis considers first the channel precoding and decoding matrix design problem for LVC schemes under a per-subchannel power constraint. Such constraint is found, e.g., on Power Line Telecommunication (PLT) channels and is similar to per-antenna power constraints in multi-antenna transmission system. An optimal design approach is proposed, involving a multi-level water filling algorithm and the solution of a structured Hermitian Inverse Eigenvalue problem. Three lower-complexity alternative suboptimal algorithms are also proposed. Extensive experiments show that the suboptimal algorithms perform closely to the optimal one and can reduce significantly the complexity. The precoding matrix design in multicast situations also has been considered.A second main contribution consists in an impulse noise mitigation approach for LVC schemes. Impulse noise identification and correction can be formulated as a sparse vector recovery problem. A Fast Bayesian Matching Pursuit (FBMP) algorithm is adapted to LVC schemes. Subchannels provisioning for impulse noise mitigation is necessary, leading to a nominal video quality decrease in absence of impulse noise. A phenomenological model (PM) is proposed to describe the impulse noise correction residual. Using the PM model, an algorithm to evaluate the optimal number of subchannels to provision is proposed. Simulation results show that the proposed algorithms significantly improve the video quality when transmitted over channels prone to impulse noise