Now showing items 2521-2540 of 5525

    Fractal approach to wheel-rail roughness contact theory 

    Babici, Laura Mariana (Date of defense: 2023-12-21)

    (English) In this study, the Weierstrass fractal function was used to model the surface roughness of railway tracks and, subsequently, the static coefficient of friction (COF) for Hertzian rail-wheel contact and cylinder-plane ...

    Fractura de compuestos polipropileno-talco 

    Velasco Perero, José Ignacio (Date of defense: 1996-07-01)

    La investigación realizada en esta tesis se ha centrado en la caracterización de la fractura de materiales compuestos por una matriz de polipropileno homopolímero isotáctico y diferentes fracciones de partículas laminares ...

    Fractura de materiales poliméricos a altas velocidades de solicitación 

    Acosta Sullcahuamán, Julio Arnaldo (Date of defense: 2001-07-17)

    Este trabajo se ubica en una perspectiva marcada por dos fuentes de inspiración y exigencia, que se complementan mutuamente: La primera está relacionada con el campo tecnológico y la segunda viene del ambiente científico. ...

    Fractura de mezclas de policarbonato con acrilonitrilo-butadieno-estireno 

    Santana Pérez, Orlando O. (Orlando Onofre) (Date of defense: 1997-05-22)

    Fractura y fatiga por contacto de recubrimientos de vidrio sobre Ti6Al4V para aplicaciones biomédicas 

    Pavón Palacio, Juan José (Date of defense: 2006-11-08)

    La aleación Ti6Al4V es el biomaterial más utilizado para el reemplazo de tejidos duros, debido a su alta biocompatibilidad y a sus propiedades mecánicas. Sin embargo, al ser bioinerte no se une directamente con el hueso. ...

    Fragment and inclusion : urban architecture in contemporary Barcelona 

    Wei, Song (Date of defense: 2015-07-14)

    The main issue of the thesis is to discuss the method of building relationships between architecture and city through analyzing projects by Barcelona architects. There are two hypothesizes of the thesis: fragment and ...

    Fragmentos de una crítica: Revisando a IBA de Berlim 

    Bronstein Passaro, Lais (Date of defense: 2002-03-07)

    DE LA TESIS<br/><br/>La presente tesis tiene por objetivo retratar parte de la crítica y de la teoría arquitectónica comúnmente llamada Posmoderna, a través del análisis de la IBA - Internationale Bauausstellung - ...

    A framework for 3D nonlinear analysis of reinforced concrete frames under general loading 

    Poliotti, Mauro (Date of defense: 2020-11-04)

    Modern guidelines for design and assessment of reinforced concrete structures under seismic and other extreme loads require nonlinear analysis. The complex structural response can be obtained by means of three-dimensional ...

    Framework for an eXtended Reality (XR) solution for holistic safety management in construction 

    Muñoz La Rivera, Felipe (Date of defense: 2023-03-28)

    (English) Cycles in the construction sector and economy disguise what appears to advance in occupational risk prevention when, unfortunately, the AECO sector maintains very high accident rates. The zero accident target is ...

    A framework for multidimensional indexes on distributed and highly-available data stores 

    Cugnasco, Cesare (Date of defense: 2019-03-22)

    Spatial Big Data is considered an essential trend in future scientific and business applications. Indeed, research instruments, medical devices, and social networks generate hundreds of peta bytes of spatial data per year. ...

    A framework for navigation of autonomous characters in complex virtual environments 

    Oliva Martínez, Ramon (Date of defense: 2016-11-28)

    In order to create autonomous characters it is necessary to solve the problem of moving agents between two locations, at both the global and local navigation levels. Global navigation has two main components: the path ...

    Francesc Mitjans y el Camp Nou : estudios previos, proyecto ejecutivo y dirección de obra, 1954-1957 

    López Alonso, Ignacio (Date of defense: 2014-10-24)

    Este estudio se ha centrado en las diversas fases de proyecto y la primera etapa de la construcción del Camp Nou, entre 1954 y 1957. Con la intención de ampliar al máximo la capacidad de localizar variables e indeterminaciones ...

    Freeze concentration of cofee extract : study of block and fallling-film techniques = Crioconcentración de extracto acuoso de café : estudio de las técnicas de bloque total y película descendente 

    Moreno Moreno, Fabián Leonardo (Date of defense: 2014-11-05)

    Coffee is the most traded food in the world. The coffee industry has a great economic and social relevance worldwide. The sensory and functional properties of the product are highly important for the consumers, and therefore, ...

    From cells to tissues, microscopy to modeling: towards precise, data-driven photothermal therapy with gold nanorods 

    Morales Dalmau, Jordi (Date of defense: 2019-02-15)

    Suspensions of gold nanorods (GNRs) are emerging as potential drugs to address some of the limitations in traditional biomedical sensing,imaging and therapy. They are inorganic nanoparticles with good biocompatibility, ...

    From hypothesis testing of quantum channels to secret sharing 

    Salek Shishavan, Farzin (Date of defense: 2020-12-14)

    The present thesis has three major thrusts: the first thrust presents a broad investigation of asymptotic binary hypothesis testing, when each hypothesis represents asymptotically many independent instances of a quantum ...

    From low carbon buildings to sustainable cities : sustainability transitions in the built environment towards the UN Agenda 

    Penagos, Guillermo (Date of defense: 2021-07-06)

    This thesis addresses sustainability transitions in the built environment, from buildings to the metropolitan scale, while ranging from low carbon development to the multidimensional challenges currently faced by cities. ...

    From quantum foundations to quantum information protocols and back 

    Torre Carazo, Gonzalo de la (Date of defense: 2015-09-23)

    Physics has two main ambitions: to predict and to understand. Indeed, physics aims for the prediction of all natural phenomena. Prediction entails modeling the correlation between an action, the input, and what is subsequently ...

    From RNA to histological images: linking the transcriptome with human phenotypes through statistical learning 

    Muñoz Aguirre, Manuel (Date of defense: 2021-04-07)

    Genomic datasets are fundamental to broaden our understanding of human biology in the context of health and disease. However, the high-dimensional nature of gene expression and other molecular traits poses a challenge when ...

    From the i* diversity to a common interoperability framework 

    Cares Gallardo, Carlos (Date of defense: 2012-09-20)

    Since the i* framework emerged in the requirements engineering community in the mid-90s, different research groups have proposed variations to the modelling language proposed in the i* framework (¿the i* language¿). There ...

    From the production of the single cell to the end of life of the battery module: the development of parameter variation of lithium-ion cells 

    Oeser, David (Date of defense: 2022-10-27)

    (English) In lithium-ion batteries, depending on the requirements, many individual cells are connected in series and parallel. Despite very similar individual cell parameters after production, they can develop differently ...