Ara mostrant els elements 5452-5471 de 5539

    Value engineering for autonomous agents 

    Montes Gómez, Nieves (Data de defensa: 2024-02-01)

    (English) The topic of this thesis is the engineering of values for autonomous agents. This is realised through the formulation, design and implementation of new functionalities for autonomous agents that enable reasoning ...

    Variability and reliability analysis of carbon nanotube technology in the presence of manufacturing imperfections 

    García Almudéver, Carmen (Data de defensa: 2014-07-29)

    In 1925, Lilienfeld patented the basic principle of field effect transistor (FET). Thirty-four years later, Kahng and Atalla invented the MOSFET. Since that time, it has become the most widely used type of transistor in ...

    Variability of the planktonic cnidarian community at different spatio-temporal scales along the Catalan coast (Northwestern Mediterranean) 

    Guerrero, Elena (Data de defensa: 2017-07-14)

    Planktonic cnidarians are those species or their stages in the phylum Cnidaria that spent their life in the water column and therefore, are tightly linked to oceanographic dynamics and water mass structures, such as fronts ...

    Variability-aware architectures based on hardware redundancy for nanoscale reliable computation 

    Aymerich Capdevila, Nivard (Data de defensa: 2013-12-16)

    During the last decades, human beings have experienced a significant enhancement in the quality of life thanks in large part to the fast evolution of Integrated Circuits (IC). This unprecedented technological race, along ...

    Variables definitorias de las glorietas y su incorporación a las especialidades científicas 

    Xiqués Triquell, Jordi (Data de defensa: 2016-04-04)

    This research aims to enumerate, classify and validate the variables defining a roundabout in terms of geometric, dynamic, road-safety and accident prevention. In the first instance an initial list of variables has been ...

    Variaciones sobre la regularidad: el proyecto de el Vedado en la formación de la Habana metropolitana 

    Crosas Armengol, Carles (Data de defensa: 2009-11-12)

    La tesis resalta los valores de El Vedado de La Habana: particular retícula del siglo XIX para una singular ciudad jardín extensa, gradualmente transformada y progresivamente central. Las variaciones que enriquecen su ...

    Variants of unification considering compression and context variables 

    Gascón Caro, Adrià (Data de defensa: 2014-05-30)

    Term unification is a basic operation in several areas of computer science, specially in those related to logic. Generally speaking, it consists on solving equations over expressions called terms. Depending on the kind of ...

    Variational mechanics and stochastic methods applied to structural design 

    Andujar Moreno, Rabindranath (Data de defensa: 2015-02-03)

    This thesis explores a very well understood area of physics: computational structural dynamics. The aim is to stretch its boundaries by merging it with another very well established discipline such as structural design and ...

    Variational multiscale stabilization and local preconditioning for compressible flow 

    Moragues Ginard, Margarida (Data de defensa: 2016-01-22)

    This thesis is about the stabilization of the numerical solution of the Euler and Navier- Stokes equations of compressible flow. When simulating numerically the flow equations, if no stabilization is added, the solution ...

    Variational multiscale stabilization of finite and spectral elements for dry and moist atmospheric problems 

    Marras, Simone (Data de defensa: 2012-12-10)

    In this thesis the finite and spectral element methods (FEM and SEM, respectively) applied to problems in atmospheric simulations are explored through the common thread of Variational Multiscale Stabilization (VMS). This ...

    Vegetable Fiber Reinforced Calcium Aluminate Cement based composites for construction materials VFRCCs 

    Gorgani, Nourjemal (Data de defensa: 2022-09-15)

    Vegetable Fiber Reinforced Cement Composite Materials (VFRCC) have emerged as a potential construction material, providing adequate load-bearing capacity and ductility for non-structural applications. VFRCC have good ...

    Verificación experimental de uniones mediante lazos de armadura y su aplicación en la construcción evolutiva de puentes 

    Contreras López, Catalina del Pilar (Data de defensa: 2012-03-23)

    The box-girder is currently the solution for large prestressed concrete bridges, being most used today in steel and mixed structures. Their widespread use is due to the strength characteristics and versatility, using various ...

    Versatile nonlinear frequency conversion sources in the near- and mid-infrared 

    Sukeert, Sukeert (Data de defensa: 2022-03-11)

    Tunable laser sources in different spectral regions are of interest for a variety of applications including spectroscopy, trace gas sensing, medical diagnostics, LIDAR and material processing. Existing lasers have limited ...

    A versatile source of light-matter quantum states based on laser-cooled atoms 

    Farrera Soler, Pau (Data de defensa: 2018-07-25)

    Quantum information is a fascinating field that studies situations in which information is encoded as quantum states. This encoding is affected by quantum physical effects (such as superposition or entanglement) and its ...

    Vessel Traffic Services, towards e-Navigation : the role of Oceanic VTS in global maritime surveillance 

    Uyà Juncadella, Àfrica (Data de defensa: 2022-07-06)

    This thesis presents the study and analysis of the Vessel Traffic Services (VTS), from its origins to the present, with further evaluation of future trends. Examining the current trend in terms of technologies that are ...

    Viabilitat tècnica i ambiental de biocombustibles: oli de colza i estella forestal 

    Esteban Dalmau, Bernat (Data de defensa: 2011-07-06)

    La dependència actual dels combustibles fòssils en la majoria de sectors industrials i domèstics no és sostenible ni a curt ni a llarg termini. Això està obligant a plantejar alternatives a la majoria de sectors industrials ...

    Vibrational spectroscopies study of Pinus resin in materials from cultural heritage objects 

    Beltran Sanchidrian, Victòria (Data de defensa: 2016-11-21)

    Many historical objects have coatings or varnish layers on the surface. In order to determine their conservation and historical contextualization is necessary to know its origin, why they were applied, the application ...

    Vibrations and energy transfer in molecules enhanced by single nanoantennas 

    Ockova, Jana (Data de defensa: 2023-12-13)

    (English) Light is a powerful non invasive tool for probing matter down to its fundamental molecular properties. The past three decades saw advent of metallic nanoantennas engineered to concentrate light into sub diffraction ...

    Vibroacoustic coupling and transmission paths 

    Magrans Fontrodona, Francesc Xavier (Data de defensa: 2018-12-21)

    This dissertation deals with four topics. The first three are in the same environment, the transmission paths. The fourth refers to the synthesis of subsystems and more specifically to two subsystems linked by any number ...

    Victory over Chaos? Constantinos A. Doxiadis and Ekistics 1945-1975 

    Theodosis, Lefteris (Data de defensa: 2016-05-30)

    Constantinos A. Doxiadis (1913-1975) was an important figure in the realm of postwar urbanism, and yet his contribution has been largely neglected. This study reviews his trajectory and analyzes key projects related to ...