Now showing items 1794-1813 of 5489
Fischer e Silva, Renan (Date of defense: 2018-05-03)
Energy efficiency and performance improvements have been two of the major concerns of current Data Centers. With the advent of Big Data, more information is generated year after year, and even the most aggressive predictions ...
Pablos Hernández, Miriam (Date of defense: 2016-10-03)
The first three of a series of new generation satellites operating at L-band microwave frequencies have been launch in the last decade. L-band is particularly sensitive to the presence of water content in the scene under ...
Botton, J. M. de (Jocelyne Mireille) (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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) (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 ...