Now showing items 5246-5265 of 5494

    Transitional periods of the atmospheric boundary layer 

    Blay Carreras, Estel (Date of defense: 2014-07-21)

    The atmospheric boundary layer is the part of the troposphere influenced by the presence of the surface, and where most weather phenomena occur. During the day, with fair weather conditions, a convective boundary layer ...

    Translation of non-invasive optical measurements of hemodynamics and oxygen metabolism to the clinic 

    Lindner, Claus (Date of defense: 2017-03-24)

    Several clinical studies for non-invasive estimation of tissue hemodynamics by the combination of two diffuse optical techniques, time-resolved and diffuse correlation spectroscopy, were carried out in collaboration with ...

    Transmission impairments mitigation in next generation coherent optical access networks 

    Tabares Giraldo, Jeison (Date of defense: 2021-09-08)

    Worldwide, the coherent technologies have revolutionized the optical communication systems, significantly increasing the capacity of the fiber channel owing to transmission of advanced modulation formats and effective ...

    Transmission strategies for interfering networks with finite rate and outdated channel feedback 

    Torrellas Socastro, Marc (Date of defense: 2016-02-10)

    The emergence of very capable mobile terminals, e.g. smartphones or tablets, has dramatically increased the demand of wireless data traffic in recent years. Current growth forecasts elucidate that wireless communication ...

    Transmission strategies for wireless energy harvesting nodes 

    Gregori Casas, Maria (Date of defense: 2014-07-24)

    Over the last few decades, transistor miniaturization has enabled a tremendous increase in the processing capability of commercial electronic devices, which, combined with the reduction of production costs, has tremendously ...

    Transmissió de potencials d'acció basada en la propagació de camps elèctrics intra-membrana 

    Martí Edo, Albert (Date of defense: 2017-07-18)

    Current theories and mechanisms of nerve impulse propagation inside neurons do not give a satisfactory explanation to the nanoscale processes that occur inside the membrane. Propagation at the dendritic zones, and at the ...

    Transparent management of scratchpad memories in shared memory programming models 

    Álvarez Martí, Lluc (Date of defense: 2015-12-16)

    Cache-coherent shared memory has traditionally been the favorite memory organization for chip multiprocessors thanks to its high programmability. In this organization the cache hierarchy is in charge of moving the data and ...

    Transparent Protection of Data 

    Sebé Feixas, Francesc (Date of defense: 2003-02-07)

    Aquesta tesi tracta la protecció de dades quan aquestes han de ser lliurades a usuaris en qui no es té absoluta confiança. En aquesta situació, les dades s'han de protegir de manera que segueixin essent utilitzables. Aquesta ...

    Transparent surfaces based on ultrathin materials with tailored optical and biological functionalities 

    Graham, Cristina (Date of defense: 2024-01-23)

    (English) The properties of ultrathin materials present exciting opportunities to develop multifunctional surfaces. In addition, the use of plastic and thin glass as transparent substrates has the potential to extend the ...

    The transport and environmental impacts of cruise ships : application to the case of the Port of Barcelona 

    Ros Chaos, Sergi (Date of defense: 2020-12-17)

    The rapid evolution of the cruise industry in the last 50 years is evident. In the nineteenth century, cruise ships were simple modes of transport used by immigrants to travel on transoceanic voyages from Europe to North ...

    Transport of water, vapour, heat and solutes in concrete for storing radioactive waste 

    Chaparro Sánchez, M. Carme (Date of defense: 2016-03-04)

    Cementitious materials are used as barriers in radioactive waste storage. Hence, transport processes in this kind of material are important. The objective of this thesis is to improve the understanding of transport of water ...

    Tras el territorio circular : paisajes cotidianos de la periferia gallega 

    Somoza Medina, Marta (Date of defense: 2017-07-20)

    The thesis asks about the forms of the region and finds answer in the landscape. The work focuses on the study of a fragment of the interior of Galicia. The labyrinthine topography proper to the area, with significant slope ...

    Tratamiento y reutilización de efluentes de la industria textil mediante técnicas de membranas 

    Buscio Olivera, Valentina (Date of defense: 2015-12-12)

    Textile industry consumes large amount of water in their processes, mainly in dyeing and finishing operations. In general, during the dyeing process, up to 30% of dyes used can be discharged into wastewater. For this reason, ...

    Tratamientos de superficie sobre titanio comercialmente puro para la mejora de la osteointegración de los implantes dentales 

    Aparicio Bádenas, Conrado (Date of defense: 2005-04-15)

    El éxito clínico de los implantes dentales, fabricados en titanio comercialmente puro (Ti c.p.), está basado en la consecución de la osteointegración, es decir, la conexión directa estructural y funcional entre el hueso ...

    Tratamientos de tejidos de algodón con ozono: análisis de las variables de proceso, aproximación cinética, estudio del envejecimiento y caracterización superficial 

    Bautista Pérez, Lorenzo (Date of defense: 2013-04-09)

    Los tejidos de algodón se someten a procesos de preparación (desencolado, descrudado y blanqueo) basados en la eliminación de impurezas presentes en la superficie de la fibra. Actualmente se blanquean con peróxido de ...

    Tráfico de telefonía móvil: caracterización e implicaciones del tiempo de ocupación del canal 

    Barceló-Arroyo, Francisco (Date of defense: 1997-04-11)

    En el capítulo 1 se presentan algunos conceptos básicos relacionados con el tráfico de voz, junto a los modelos más comúnmente utilizados en la evaluación y dimensionado de sistemas de telefonía móvil. En todos los casos ...

    Treatment of textile surfaces by plasma technology for biomedical applications 

    Labay, Cédric (Date of defense: 2014-06-12)

    Medical applications of technical textiles are an expanding field of research. One of the added values of these new materials would be that they were suitable to contain and release active compounds in a controlled and ...

    Tree automata with constraints and tree homomorphisms 

    Creus López, Carles (Date of defense: 2016-05-24)

    Automata are a widely used formalism in computer science as a concise representation for sets. They are interesting from a theoretical and practical point of view. This work is focused on automata that are executed on ...

    Tres ciudades alineades : Cajamarca, La Paz y Asunción, tres desafíos de cultura primigenia para abordar la regeneración de sus centros 

    Rodríguez i Villaescusa, Eduard (Date of defense: 2018-02-23)

    The central concept of the present thesis is that the sense of belonging underlying heritage should be rooted in a strong community-based feeling. Sure enough, historical assets are looked at with a feeling of admiration ...

    Trophic cascade modelling in bathyal ecosystems 

    Mamouridis, Valeria (Date of defense: 2015-05-15)

    Different aspects of the bathyal ecosystem have been treated with the final aim to investigate trophic cascades driven by fishery (top-down control), a phenomenon that in bathyal systems has never been studied. This was ...