Mostrando ítems 1-20 de 28
Pérez Losada, Joaquim (Fecha de defensa: 2001-11-15)
This dissertation has as its goal the quantitative evaluation of the application of<br/>coupled hydrodynamic, ecological and clarity models, to address the deterministic prediction of water clarity in lakes and reservoirs. ...
Rasi, Silvia (Fecha de defensa: 2019-11-12)
High temperature superconductivity and in particular YBa2Cu3O7-x (YBCO) coated conductors (CCs) are a crucial technology for the drastic reduction of CO2 emissions. Since nowadays YBCO CCs are not competitive economically, ...
Carrillo Berlanga, Albert (Fecha de defensa: 2020-01-17)
This work is focused on the production and characterization of: (1) Fe based nanocrystalline soft magnetic materials of NANOPERM and HITPERM families and (2) Heusler magnetic shape memory alloys. Within the first typology, ...
Forcat Torras, Francesc (Fecha de defensa: 2009-07-28)
Aquí hem aplicat el Princeton Ocean Model als embassaments de Sau i Boadella, situats a Catalunya, Espanya. Les simulacions s'han realitzat a l'estació d'estiu, quan la columna d'aigua està estratificada de forma contínua, ...
Viúdez i Mora, Antoni (Fecha de defensa: 2011-04-15)
Atmospheric downwelling longwave radiation is an important component of the terrestrial energy budget; since it is strongly related with the greenhouse effect, it remarkably affects the climate. In this study, I evaluate ...
Vidal Hurtado, Javier (Fecha de defensa: 2007-04-27)
Procesos hidrodinámicos determinan, en un alto grado la calidad del agua en embalse, sin embargo dichos procesos han sido tradicionalmente olvidados en la gestión de embalse. En esta tesis se presentan evidencias de los ...
Jahani, Babak (Fecha de defensa: 2021-11-29)
Aerosols and clouds, as two particular cases of a single phenomenon (i.e., a suspension of particles in the air), are important components in the climate system. They play a crucial role in determination of Earth’s energy ...
Liv, Yi (Fecha de defensa: 2017-10-26)
The threat of impact on laminated composite structures has been a serious concern in the aerospace industry and scientific community because the compression load-carrying capacity of the structures, namely Compression 1/2 After ...
Figueroa Rodríguez, Jesús Manuel (Fecha de defensa: 2005-11-24)
S'estudia la resposta de la capa de barreja oceànica al forçament atmosfèric considerant dades obtingudes durant 12 dies d'abril del 2001 a 42 estacions a través de l'Atlàntic nord seguint aproximadament la latitud de ...
Ros i Sala, Àlex (Fecha de defensa: 2016-10-26)
In the margins of continents there are the coastal zones, regions of remarkable biological productivity. Coastal zones include, among others, wetlands, that are land areas inundated permanently o seasonally, characterized ...
Enríquez Alonso, Aarón (Fecha de defensa: 2016-07-01)
Las nubes constituyen uno de los fenómenos más importantes en cuanto a la regulación de la radiación entrante y saliente de la Tierra y por ende, del clima. El principal objetivo de esta tesis es analizar cómo se reproduce ...
Isern Sardó, Neus (Fecha de defensa: 2011-12-01)
This thesis presents population dynamics models that can be applied to predict the rate of spread of the Neolithic transition (change from hunter-gathering to farming economics) across the European continent, which took ...
Costa Surós, Montse (Fecha de defensa: 2014-10-02)
Improving methods for automatic and continuous description of cloud has a huge importance in order to determine the role of clouds in climate and their contribution to climate change. The geometric characteristics of clouds, ...
Builes Cárdenas, Cristian (Fecha de defensa: 2023-03-20)
Transport industry, especially automotive, is one of the most pollutant in the world. Current environmental concerns demand original equipment manufacturers (OEM’s) to reduce the amount of emissions released by their ...
El Allaoui, Nazha (Fecha de defensa: 2016-07-21)
The general objective of this doctoral thesis has been to contribute to understand the modification of hydrodynamics in fragmented canopies. The effect of different parameters such as the canopy density, the plant height ...
Barcelona Arbat, Aina (Fecha de defensa: 2024-03-11)
Seagrass meadows are globally extensive nearshore ecosystems known as coastal engineers that provide key ecological services in coastal areas such as attenuating wave and turbulence and promoting sediment deposition. ...
Kanzaki Cabrera, Takeichi (Fecha de defensa: 2013-11-29)
Granular materials are multi-particle systems involved in many industrial process and everyday life. The mechanical behavior of granular media such as sand, coffee beans, planetary rings and powders are current challenging ...
Sánchez Rodríguez, Daniel (Fecha de defensa: 2015-10-14)
L'objectiu d'aquest treball és analitzar mètodes químics de baix cost com a ruta per a sintetitzar òxids avançats a baixa temperatura. En particular, hem explorat l'SHS per a la síntesi d'un òxid catalitzador fent servir ...
Rodríguez Amor, Daniel (Fecha de defensa: 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 (Fecha de defensa: 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 ...