Now showing items 5456-5475 of 5621

    Understanding secondary emission processes and beam matter interactions for optimization of diagnostic wire grid system in particle accelerators : thermal modeling for beam power limits calculation 

    Navarro Fernández, Araceli (Date of defense: 2023-03-21)

    (English) Thin targets, in form of foils, stripes or wires, are widely used in beam instrumentation to measure various beam parameters, such as intensity, position and size. All these monitors can differ in geometry and ...

    Understanding size-resolved dust emission from field measurements in Morocco 

    González Flórez, Cristina (Date of defense: 2023-10-06)

    (English) Atmospheric mineral dust is composed of a variety of mineral particles exhibiting distinct composition, shape, and size. The wide range of diameters exhibited by dust particles, spanning more than three orders ...

    Understanding the mobility of caesium, nickel and selenium released from waste disposal : chemical retention mechanisms of degraded cement 

    Borkel, Christoph (Date of defense: 2016-01-21)

    Cementitious materials are used to condition or stabilise waste and to build infrastructure in disposal sites. Moreover, they are envisaged to form part of engineered barrier systems as container, backfill or liner materials ...

    Unfittted finite element methods for explicit boundary representations 

    Martorell Pol, Pere Antoni (Date of defense: 2024-02-21)

    (English) This thesis covers the development of large-scale numerical methods for the simulations of partial differential equations on arbitrarily complex geometries. The target application of this thesis is the structural ...

    Unfolding architecture : laboratorio de representación e ideación (medios análogos y digitales) 

    Chiarella, Mauro (Date of defense: 2009-12-04)

    Los diferentes sistemas de representación utilizados en Arquitectura generan, modifican y/o confirman formas de lectura y de memoria en relación a los mecanismos de percepción y conocimiento que proponen. La representación ...

    Unfolding piecewise-smooth dynamics in a single inductor multiple-output switching converter 

    Moreno Font, Vanessa (Date of defense: 2009-11-09)

    Els convertidors commutats de potència són solucions apropiades per subministrar energia a dispositius electrònics per la seva elevada eficiència i reduït cost. El seu ús extensiu en les últimes dècades ha motivat els ...

    Unidad de instrucciones para la ejecución paralela de los saltos 

    González Colás, Antonio María (Date of defense: 1989-05-12)

    (Español) El presente trabajo se centra en el diseño y evaluación de mecanismos que permitan reducir los conflictos ocasionados por las instrucciones de transferencia de control (saltos) en arquitecturas segmentadas. Las ...

    Unified Lagrangian formulation for fluid and solid mechanics, fluid-structure interaction and coupled thermal problems using the PFEM 

    Franci, Alessandro (Date of defense: 2015-05-07)

    The objective of this thesis is the derivation and implementation of a unified Finite Element formulation for the solution of uid and solid mechanics, Fluid-Structure Interaction (FSI) and coupled thermal problems. The ...

    Unifying interaction across distributed controls in a smart environment using anthropology-based computing to make human-computer interaction "Calm" 

    Brown, John N.A. (Date of defense: 2014-04-04)

    Rather than adapt human behavior to suit a life surrounded by computerized systems, is it possible to adapt the systems to suit humans? Mark Weiser called for this fundamental change to the design and engineering of computer ...

    Uniones y elementos de conexión para estructuras con bambú: clasificación y desarrollo de un prototipo de conexión 

    Aguilar Larrinaga, Roberto (Date of defense: 2022-11-04)

    (English) Bamboo is a material of great importance in different civilizations of Asia and Latin America. Its use goes from the roots to the leaves, which are raw material to make edible products, furniture and construction ...

    Universal accessibility : on the need of an empathy-based architecture 

    Bordas Eddy, Marta (Date of defense: 2017-02-10)

    Universal Accessibility: On the need of an empathy-based architecture is a PhD thesis researching the paradigm of accessible architectural design. Starting from the very first understanding of accessibility in architecture, ...

    Universalidad y adecuación en la obra de LIGS. Pedro López Iñigo, Guillermo Giraldez Dávila y Xavier Subias Fages 1956-1966 

    Tena Gómez, Pablo (Date of defense: 2010-09-23)

    El objeto de este estudio es explorar la dialéctica entre la universalidad y la adecuación presente en las obras de los arquitectos López Íñigo, Giráldez y Subías (LIGS). Comprobar cómo la abstracción que caracteriza sus ...

    Universitat i nova urbanitat : nous teixits per una nova percepció de la ciutat a Girona 

    Esquinas Dessy, Jesús (Date of defense: 2013-12-04)

    The grouped implementation of university facilities in a imbricated way with the city, contributes to the "urban" growth of the city that hosts it. "It would consist of a kind of urbanistic acupuncture technique by which ...

    Unravelling 3D cargo transport dynamics at the microtubule network with super-resolution microscopy 

    Verdeny Vilanova, Ione (Date of defense: 2016-10-13)

    Intracellular transport plays an essential role in a wide variety of fundamental cellular processes required to maintain the internal regulation and organization of cells. Different types of cargos such as organelles, ...

    Unravelling motor protein organization on lysosomal membranes with super-resolution microscopy 

    Cordier, Guillaume (Date of defense: 2018-04-03)

    This thesis first develops new methods for high-throughput and multi-color super-resolution microscopy (Chapters 2 and 3). Subsequently, I apply these methods to study the organization of motor proteins on the lysosome ...

    Unstable motions in the three body problem 

    Paradela Díaz, Jaime (Date of defense: 2023-06-30)

    (English) The 3 Body Problem (3BP) models the motion of three bodies interacting via Newtonian gravitation. It is called restricted when one body has zero mass and the other two, the primaries, have strictly positive masses. ...

    Unsteady laminar convection in cylindrical domains: numerical studies and application to solar water storage tanks 

    Rodríguez Pérez, Ivette (Date of defense: 2006-12-19)

    Los dispositivos de almacenamiento de energía térmica son ampliamente usados en diversos sistemas térmicos caracterizados por un desfase temporal entre la producción de energia y su consumo, como es el caso de los sistemas ...

    Unsupervised and attention approaches for deep learning speaker recognition 

    Safari, Pooyan (Date of defense: 2023-05-19)

    (English) The thesis presents various contributions to the field of speaker recognition. In the first part of the thesis, the focus is on unsupervised methods for speaker recognition. This includes a method that uses Deep ...

    Unsupervised entity linking using graph-based semantic similarity 

    Naderi, Ali M. (Date of defense: 2016-02-10)

    Nowadays, the human textual data constitutes a great proportion of the shared information resources such as World Wide Web (WWW). Social networks, news and learning resources as well as Knowledge Bases (KBs) are just the ...

    Unsupervised learning for expressive speech synthesis 

    Jauk, Igor (Date of defense: 2017-09-12)

    Nowadays, especially with the upswing of neural networks, speech synthesis is almost totally data driven. The goal of this thesis is to provide methods for automatic and unsupervised learning from data for expressive speech ...