Now showing items 658-677 of 5424

    Backanalysis methodology based on multiple optimization techniques for geotechnical problems 

    Santos Rodríguez, Cristian de (Date of defense: 2015-12-10)

    Nowadays, thanks to the increase of computers capability to solve huge and complex problems, and also thanks to the endless effort of the geotechnical community to define better and more sophisticated constitutive models, ...

    Bacteris metanògens: cultius, biodegradació i anàlisi lipídica 

    Tortosa i Moreno, Montserrat (Date of defense: 2001-09-30)

    Els éssers vius es divideixen filogenèticament en eucarionts, amb un nucli ben definit, i bacteris. Hi ha dos tipus de bacteris, els eubacteris i els arqueobacteris. Els arqueobacteris tenen, entre altres diferències, una ...

    Balance de masa e identificación de indicadores para medir eficiencia en la gestión y procesado de materiales en las plantas públicas de compostaje de Fracción Orgánica de Residuos Municipales (FORM) de Cataluña 

    Girón Rojas, Emma Cecilia (Date of defense: 2020-09-10)

    The importance for the good management of the waste increases day by day, due to the increase of the generation of waste .Composting is one of the most used treatments in the management of the organic fraction of municipal ...

    Bandwidth extension techniques for high-efficiency power amplifiers 

    García Tormo, Albert (Date of defense: 2011-04-15)

    Aquesta tesi tracta sobre amplificació de potència d'alt rendiment de senyals variables en el temps; concretament, tracta sobre conversió de potència eficient (amb mínimes pèrdues) de tensions DC continues en senyals de ...

    Barcelona 1929-1936 : il ponte incompiuto dell'architettura 

    Pizza, Antonio (Date of defense: 1989-04-05)

    El análisis se ha desarrollado tomando en consideración un conjunto de producciones arquitectónicas, a las que se añade el examen de las posturas teóricas sostenidas por los mismos arquitectos, a través de ensayos, artículos, ...

    Barcelona en el punto de mira : lecturas de la ciudad 

    Aguado Roca, María Teresa (Date of defense: 2016-01-15)

    The thesis "Barcelona in the spotlight. Readings of the city" propases an overview of the city derived from the process of architectural design. lt propases to decipher the concept of a city which exists implicitly in the ...

    Barcelona oculta : la rellevància del subsòl en una gran ciutat contemporània 

    Vinyes i Ballbé, Rosina (Date of defense: 2015-11-30)

    The use of the subsoil in our cities was limited until more or less a century ago. The technological advances of the twentieth century and the increased need for greater urban comfort has led to intensive building in all ...

    Barocaloric effects at first-order phase transitions 

    Aznar Luque, Araceli (Date of defense: 2021-04-15)

    Current refrigeration devices, based on vapour-compression cycles, employ refrigerants such as HFCs, which exhibit a global warming potential a thousand times higher than the one produced by CO2,. Furthermore, the increasing ...

    Bases de un modelo de autogestión de competencias genéricas del rol ingeniero/a formador de ingenieros 

    Lillo-Tor, Ansonia (Date of defense: 2015-10-19)

    The following research originates in the need to enhance the Generic Skills in the profile of graduate Engineers according to the needs of our current Society of Knowledge, considering that Engineering Education has not ...

    Bases para la utilización gráfica del ordenador 

    Luque González, Manuel José (Date of defense: 1986-07-15)

    Bayesian analysis of textual data 

    Font Valverde, Martí (Date of defense: 2016-01-18)

    En esta tesis se desarrolla, siempre con el enfoque bayesiano en mente, una metodología estadística para el análisis de datos discretos en su aplicación en problemas estilometría. El análisis estadístico del estilo literario ...

    Bayesian signal processing techniques for GNSS receivers: from multipath mitigation to positioning 

    Closas Gómez, Pau (Date of defense: 2009-06-15)

    Aquesta tesi gira al voltant del disseny de receptors per a sistemes globals de navegació per satèl·lit (Global Navigation Satellite Systems, GNSS). El terme GNSS fa referència a tots aquells sistemes de navegació basats ...

    Beach inundation and morphological changes during storms using video monitoring techniques 

    Sancho García, Amanda (Date of defense: 2012-11-16)

    The predictability of beach inundation is mainly related to wave runup and most of the formulations that have been developed focus on the hydrodynamics, disregarding the morphological changes caused during storms. For these ...

    Beamforming design and power control for spectrum sharing systems 

    Vázquez Oliver, Miguel Ángel (Date of defense: 2014-01-24)

    In order to provide wireless services for the current demand of high data rate mobile applications, more spectrally efficient systems are needed. As a matter of fact, the current wireless systems are limited by a frequency ...

    Bearing-only slam methods 

    Munguía Alcalá, Rodrigo Francisco (Date of defense: 2009-10-19)

    SLAM (Simulatenous Localization and Mapping) es quizá el problema más importante a solucionar en robótica para construir robots móviles verdaderamente autónomos. El SLAM es acerca de cómo un robot móvil opera en un entorno ...

    Bedforms and associated sediment dynamics on the inner shelves at different spatio-temporal scales 

    Guerrero Sánchez, Queralt (Date of defense: 2019-02-08)

    This Thesis conducts the study of bedform development and dynamics in the inner shelf integrating observations at different spatial and temporal scales. An initial assumption is that different scales of sedimentary processes ...

    Bedload transport of sand-gravel mixtures with antidunes: flume experiments 

    Núñez González, Francisco (Date of defense: 2012-07-20)

    In this thesis, the interaction between flow and sediment in alluvial channels is studied from an empirical approach, for conditions close or pertaining to supercritical flow, and for four types of sediment: sand, gravel ...

    Bell inequalities for device-independent protocols 

    Salavrakos, Alexia (Date of defense: 2019-03-26)

    The technological era that we live in is sometimes described as the Information Age. Colossal amounts of data are generated every day and considerable effort is put into creating technologies to process, store and transmit ...

    Bernstein-Sato polynomial of plane curves and Yano's conjecture 

    Blanco Fernández, Guillem (Date of defense: 2020-04-16)

    The main aim of this thesis is the study of the Bernstein-Sato polynomial of plane curve singularities. In this context, we prove a conjecture posed by Yano about the generic b-exponents of a plane irreducible curve. In ...

    BEST : Bézier-Enhanced Shell Triangle : a new rotation-free thin shell finite element 

    Ubach de Fuentes, Pere-Andreu (Date of defense: 2020-11-18)

    A new thin shell finite element is presented. This new element doesn’ t have rotational degrees of freedom. Instead, in order to overcome the C1 continuity requirement across elements, the author resorts to enhance the ...