Mostrando ítems 1843-1862 de 5621
Botton, J. M. de (Jocelyne Mireille) (Fecha de defensa: 2012-07-12)
Pursuing the sustainable urban project means to understand the reasons of crisis of the twentieth century city and interpret them under new approaches. This is the purpose of the thesis, to assume the critical states of ...
Lacruz Cruz, Amado (Fecha de defensa: 2022-07-18)
Fluorinated chemicals, commonly known as per- and polyfluoroalkyt substances (PFASs), are widely used to obtain water-, oil- and stain-repellent texUles. The constant development and optimization of fluorochemicals for ...
Wang, Yongjie (Fecha de defensa: 2023-02-23)
(English) Climate change and global energy demand urge the development of renewable energy sources for worldwide power supply. Photovoltaic devices that convert solar energy directly into electricity are the most promising, ...
Albo-Puigserver, Marta (Fecha de defensa: 2019-10-18)
Mediterranean marine ecosystems are fundamentally driven by their pelagic communities and small and medium-size pelagic fishes (SMPF) play crucial ecological roles. Although fluctuations of the populations of these organisms ...
Grinyó Andreu, Jordi (Fecha de defensa: 2016-10-17)
Technological development and increased availability of remotely operated vehicles and manned submersibles have significantly increased accessibility to deep environments revealing the presence of rich and diverse macrobenthic ...
Zamora Terol, Sara (Fecha de defensa: 2013-09-29)
Copepods have a crucial role in the pelagic marine ecosystem, for their participation in the nutrient cycling and carbon export in biogeochemical cycles, and their role as link organisms between primary producers and higher ...
Pérez Álvarez, Nuria (Fecha de defensa: 2014-07-23)
Currently, resources that may be spent in health care are limited so it is necessary to rationalize their consumption and prioritise their allocation to the options with higher health outcome and economic sustainability. ...
León Gutiérrez, Xavier (Fecha de defensa: 2013-07-05)
Large scale computing infrastructures need scalable and effi cient resource allocation mechanisms to ful l the requirements of its participants and applications while the whole system is regulated to work e ciently. ...
Saura Agel, Ma. José (Fecha de defensa: 2016-12-15)
In this dissertation, I propose a theoretical model to rate enterprises in the context of social, solidarity or popular economics . The model defines a model of three dimensions to classify these organizations, going from ...
Corrales Ribas, Xavier (Fecha de defensa: 2019-03-21)
Firstly, I reviewed modelling approaches that were used to assess the impact of invasive alien species (IAS) in aquatic ecosystems. According to the review, multispecies/ecosystem mechanistic models dominated the applications, ...
Bori Dols, Jaume (Fecha de defensa: 2016-06-29)
Environmental impacts associated to the unstoppable growth of human population are threatening ecosystems worldwide. Among them, soil ecosystems are becoming increasingly degraded due to their unsustainable use and management, ...
Kuzmanović, Maja (Fecha de defensa: 2017-06-23)
More than one-third of Earths available freshwater is used for anthropogenic purposes, which has led to its contamination by numerous chemical compounds. Their presence in the environment might have negative consequences ...
Jiménez Jiménez, Ma. José (María José) (Fecha de defensa: 2016-02-04)
It is well known the important role that difference equations play in several problems of the engineering or of the science. However, whereas the expression of the solutions when the coefficients of the equations are ...
Santoyo González, Alejandro (Fecha de defensa: 2020-09-08)
This thesis focuses on how to optimize the placement of the Edge Computing infrastructure for upcoming 5G networks. To this aim, the core contributions of this research are twofold: 1) a novel heuristic called Hybrid ...
Castillo Reyes, Octavio (Fecha de defensa: 2017-10-23)
Electromagnetic methods (EM) are an invaluable research tool in geophysics whose relevance has increased rapidly in recent years due to its wide industrial adoption. In particular, the forward modelling of three-dimensional ...
Parga Vázquez, Andrea María (Fecha de defensa: 2018-01-17)
The construction of each building appears with respect to the space between others. These volumes give way to future edifications. Each proposal participates in the inexhaustible character of the urban complex that surrounds ...
Domenech Jardí, Ruth (Fecha de defensa: 2011-11-18)
Increased wildfire activity over the last years has made fire managers to become more concerned about the effectiveness of current fuel treatment practices to reduce fire risk and severity. Fuel treatments lead to changes ...
Martínez López, Roberto (Fecha de defensa: 2002-07-24)
El amonio es el catabolito mayoritario en los peces, significando más del 60% de los residuos nitrogenados totales, y siendo la fracción no ionizada (ANI) un compuesto tóxico tanto para el medio de cultivo como para el ...
Martín Fuentes, E. (Enric) (Fecha de defensa: 2007-09-13)
El aluminio y sus aleaciones son las matrices metálicas más utilizadas para la fabricación de materiales compuestos, debido a su baja densidad, capacidad de endurecimiento por precipitación, buena resistencia a la corrosión ...
Clarens i Blanco, Frederic (Fecha de defensa: 2004-07-23)
La gestió dels residus radioactius d'alta activitat suposen un dels majors reptes tecnològics de la societat actual, considerant-se la disposició en un Magatzem Geològic Profund (MGP) com la única alternativa viable per a ...