Now showing items 1399-1418 of 1760
Recuero Cobos, Sandra (Date of defense: 2022-04-01)
In Spain, as well as in the rest of Europe, livestock farming represents a substantial part of economy; thus, it is necessary to ensure an optimal breeding of the main farm animals, including swine and cattle. In order to ...
López i Flores, Rocío (Date of defense: 2005-07-05)
Se ha estudiado la dinámica del fitoplancton en las lagunas costeras de Aiguamolls de l'Empordà. El fitoplancton esta sujeto principalmente al control "bottom-up", la variabilidad hidrológica y la disponibilidad de nutrientes ...
Ballester González, Ramon (Date of defense: 2014-03-14)
The current economic crisis has increased severe poverty as well as severe deprivation levels in our society, putting under stress the existing social protection system. In the Spanish system of social protection, the very ...
Feu, Jordi (Date of defense: 1999-06-10)
Aquesta tesi doctoral té quatre objectius fonamentals: 1) analitzar la legislació espanyola i catalana referent a l'escola unitària i cíclica -altrament dita escola rural, escola incompleta o escola petita- des de final ...
Carbó Ribugent, Gemma (Date of defense: 2013-06-04)
There has not been great deal of analysis about the relationship between cultural and educational polices in Catalonia. In the context of present day society, however, knowledge, artistic and cultural practices and ...
Majumder, Santanu (Date of defense: 2013-10-30)
Apart from the geological controls that can cause As mobilization in groundwater in the Bengal Delta Plain, local anthropogenic factors may also contribute to some extent. Investigations showed that As(III) get enriched ...
Rodríguez Amor, Daniel (Date of defense: 2013-06-28)
Physical and mathematical models are extremely useful to understand key processes in population and evolutionary dynamics. Such models allow the study of many diverse features in spatial systems such as front propagation, ...
López de Rioja, Víctor (Date of defense: 2019-03-11)
The thesis studies from an analytical and computational perspective, and by using reaction-diffusion equations, the spatiotemporal evolution of different populations. First, the dynamics of the T7 bacteriophage infecting ...
Gutiérrez Olesti, Jacinta (Date of defense: 2019-07-22)
There is no doubt that we live in a world of brands. Graphic images, logos and slogans have significant impacts on our daily lives. The brand portfolios of tourist destinations have been growing in the last years. The ...
Martínez Merchan, Cristina (Date of defense: 2023-06-28)
Different studies link the metabolic alterations of obesity with imbalances in neuregulin 4 levels. In this study we hypothesize that signaling of neuregulin isoforms (NRG) produced through ERBB receptors in human adipose ...
Montesinos Vicente, Fernando (Date of defense: 2011-03-18)
En el transcurso de los setenta y siete años que abarca la tesis, se investiga en torno a unas realidades socio-profesionales concretas que se generan a partir del estado de la cuestión historiográfica y de una preliminar ...
Simon Madrenas, Enric (Date of defense: 2021-11-17)
Elastoplastic energy dissipators are used in earthquake-resistant design in order to dissipate a substantial part of the seismic energy acting on a building. They are elements that are not part of the load-bearing structure ...
Guzmán Heras, Lidia Elizabeth (Date of defense: 2023-07-05)
The increase of elderly population in Spain is one of the most important challenges for their caregivers, healthcare professionals, and the society in general. The elderly population has the highest incidence rate of ...
Cabrera Tejera, Alvis (Date of defense: 2023-09-20)
Diabetes mellitus (DM) is a chronic disease that affects a large number of people worldwide, making it a global pandemic. Type 1 diabetes (T1D) accounts for approximately 10 % of all cases. It is characterized by autoimmune ...
Roura i Pascual, Núria (Date of defense: 2006-12-12)
La formiga argentina (Linepithema humile) es troba entre les espècies més invasores: originària d'Amèrica del Sud, actualment ha envaït nombroses àrees arreu del món. Aquesta tesi doctoral intenta fer una primera anàlisi ...
García Jaramillo, Maira Alejandra (Date of defense: 2011-07-22)
In this thesis I propose a novel method to estimate the dose and injection-to-meal time for low-risk intensive insulin therapy. This dosage-aid system uses an optimization algorithm to determine the insulin dose and ...
Oyarzún Gómez, Denise María Valeria (Date of defense: 2016-11-23)
The research aims to analyze the influence of microsystems family, school and neighborhood on subjective well-being of children and adolescents Chileans through the respective systems of selected indicators. A crossover ...
Capó Artigues, Aina Maria (Date of defense: 2009-06-16)
Aquesta tesi forma part d'un projecte destinat a predir el rendiment acadèmic dels estudiants de doctorat portat a terme per l'INSOC (International Network on Social Capital and Performance). El grup de recerca INSOC està ...
Masllorens i Llinàs, Ester (Date of defense: 2006-03-10)
Aquesta tesi doctoral es basa en l'estudi de l'aplicació en catàlisi de dos tipus de complexos organometallics basats en dos metalls de tansició diferents. Concretament s'estudien complexos macrocíclics triolefínics de ...
Franco Marquès, Elena (Date of defense: 2012-07-20)
In the present work, a study of the preparation of new formulations of acrylic bone cements (ABC) has been carried, to obtain materials with capacity for controlled drug delivery of medicaments useful in the therapeutic ...