Now showing items 1131-1150 of 1983

    Intermittency of turbulence in natural waters: patchiness in the thermocline of a lake under low winds and small-scale intermittency in the bottom boundary layer of a tidal flow 

    Planella Morató, Jesús (Date of defense: 2015-07-15)

    Turbulence intermittency influences so many processes in natural waters on a wide range of scales. This work analyzes intermittency, both internal and external, by considering two cases: the thermocline of a small lake ...

    Technologies to determine quality parameters and the effect of high pressure processing on dry-cured ham 

    Rubio Celorio, Marc (Date of defense: 2015-07-09)

    The research for new technologies able to determine quality parameters as well as study the effect of High Pressure Processing (HPP) on dry-cured ham is of scientific interest because the information obtained is useful for ...

    Los sistemas de información en el sector hotelero: un modelo de éxito 

    Martínez Rodríguez, Joaquim (Date of defense: 2014-05-30)

    This thesis includes a review of how the information technology is used at present in the hotels, as well as the functionality expected from the hotels information systems. We compare these systems characteristics with ...

    La innovación mercadotécnica en el aeropuerto regional. Un estudio de casos 

    Ramírez González, José (Date of defense: 2015-07-13)

    The objective of this thesis is to empirically study the application, benefits, challenges and consequences of the marketing innovations in the regional airports of Girona-Costa Brava, Lleida-Alguaire, Reus and ...

    Construyendo la representación social de la diversidad afectivo-sexual 

    Dorado Caballero, Antonia (Date of defense: 2015-07-17)

    The aim of this work is to understand the social representation sexual-affective diversity (DAS) for later use in educational settings. We used the following techniques: semi-structured individual interview (n = 8), free ...

    Structure and reactivity of endohedral (metallo)fullerenes 

    García Borràs, Marc (Date of defense: 2015-05-29)

    It all started in 1985, when Kroto, Smalley and Curl discovered by serendipity a new carbon allotrope. They synthesized for the first time the C60 molecule, and named it as ”Buckminsterfullerene”, because of the similarity ...

    La teoria de la democràcia en l'Escola de Frankfurt: del projecte deliberatiu de Jürgen Habermas a l'eticitat democràtica d'Axel Honneth 

    López Rodríguez, Ivan (Date of defense: 2015-07-03)

    Horkheimer and Adorno laid the foundations of Critical Theory from three basic disciplines: economics, psychology and studies around the culture. The second generation of Frankfurtians authors (Habermas) clearly prioritizes ...

    Estudio de la satisfacción de pacientes y profesionales en un servicio de urgencias hospitalario 

    Fontova Almató, Aurora (Date of defense: 2015-05-19)

    Objective. To study the satisfaction level of patients, their companions and professionals at a hospital emergency department. Methodology. Cross-sectional study. Results. 285 patients and companions returned the ...

    Information theory techniques for multimedia data classification and retrieval 

    Vila Duran, Marius (Date of defense: 2015-07-09)

    We are in the information age where most data is stored in digital format. Thus, the management of digital documents and videos requires the development of efficient techniques for automatic analysis. Among them, capturing ...

    Analysis of cooperation and electron delocalization in intermolecular hydrogen bonds 

    Guillaumes Domènech, Laia (Date of defense: 2015-06-15)

    This thesis presents different studies on hydrogen bonds that occur between two molecules. It is because of the biological importance of DNA that the base pairs, and other compounds with similar hydrogen bonds as these ...

    Bioremediation of nitrate-polluted groundwater using bioelectrochemical systems 

    Pous Rodríguez, Narcís (Date of defense: 2015-05-28)

    The presence of nitrates (NO3-) in groundwater is a worldwide concern. The high energy demand and environmental impact of available technologies requires investigating new technologies. This thesis was focused on investigating ...

    Perceptual information-theoretic measures for viewpoint selection and object recognition 

    Bonaventura Brugués, Xavier (Date of defense: 2015-07-10)

    Viewpoint selection has been an emerging area in computer graphics for some years, and it is now getting maturity with applications in fields such as scene navigation, volume visualization, object recognition, mesh ...

    Linking river sediment physical properties to biofilm biomass and activity 

    Ann, Vannak (Date of defense: 2015-06-30)

    River sediments are composed by a variety of grain sizes which determine their permeability and biogeochemistry. The aim of this thesis was to test whether differences in river sediment physical characteristics generate ...

    Flora i vegetació a l'Alta Garrotxa 

    Viñas i Teixidor, Xavier (Date of defense: 1993-04-01)

    Hem dut a terme l'estudi de la flora i la vegetació de la l'Alta Garrotxa, territori situat a la part oriental de la serralada pirinenca que abasta aproximadament les terres compreses entre el curs mitjà del riu Fluvià i ...

    Optimisation methods meet the smart grid. New methods for solving location and allocation problems under the smart grid paradigm 

    Torrent-Fontbona, Ferran (Date of defense: 2015-06-23)

    The smart grid offers a new infrastructure for the management of energy demand and generation towards a sustainable future. Accordingly, there is the objective to provide consumers with a response capacity to stimuli of ...

    Morbilidad, utilización de recursos y costes sanitarios en la comarca del Baix Empordà 

    Inoriza, José María (Date of defense: 2015-02-27)

    Los sistemas de atención sanitaria tienden en la actualidad a migrar de formas de organización fragmentadas por líneas o niveles, que al mismo tiempo compiten e intentan coordinarse entre sí, hacia formas que integran todos ...

    Factors regulating the invasion of two Mediterranean anurans. The role of niche conservatism, species interaction and habitat selection 

    Escoriza, Daniel (Date of defense: 2015-03-02)

    Amphibians are a group in worldwide decline. The factors that are causing this decline are not well known, but could be multifactorial, related to the recent expansion of pathogens and habitat disturbance. One of these ...

    Adopción de estándares de gestión energética e integración con estándares de gestión medioambiental 

    Laskurain Iturbe, Iker (Date of defense: 2015-05-26)

    Se trata de una Tesis Doctoral realizada en la modalidad de Tesis Doctoral por artículos, con el objetivo de analizar, en una perspectiva comparada con relación a los Sistemas de Gestión Medioambiental, qué son y qué ...

    Las reformas a la Carta de las Naciones Unidas y las modificaciones que se han llevado a cabo desde su propia práctica 

    Romero, Yordanka Javib (Date of defense: 2015-06-12)

    Aquesta tesi doctoral té per objectiu analitzar els procediments jurídics utilitzats per les Nacions Unides i els seus Estats membres per a reformar o modificar la Carta de les Nacions Unides amb l'objectiu de contribuir ...

    Estudio de la rigidez arterial en arteria carótida y depósito tisular de hierro mediante resonancia magnética: relación con los factores de riesgo asociados al síndrome metabólico 

    Blasco Solà, Gerard (Date of defense: 2015-05-22)

    The aim is to demonstrate the utility of magnetic resonance (MR) for identifying subclinical changes associated with the metabolic syndrome (MS) that contribute to increased cardiometabolic risk. The effect of MS on ...