Mostrando ítems 561-570 de 771
Casas Ruiz, Joan Pere (Fecha de defensa: 2017-05-31)
In river networks, dissolved organic matter (DOM) constitutes the major pool of organic carbon, and plays a key role as energy source and modulator of toxic substances availability. In this thesis, Joan ...
Kabeel, Abdallah Mahmoud Bayoumi (Fecha de defensa: 2015-04-15)
The main contribution of this work is to introduce analytical models able to create simple design charts that would allow designers to quickly determine the strength of quasi-brittle structures containing ...
Argudo Fernández, Maria (Fecha de defensa: 2021-02-08)
This thesis shows how the metals of natural and anthropic origin change significantly the composition of the prokaryotic communities (mainly the composition of bacteria). The β-diversity is the most ...
Kushibar, Kaisar (Fecha de defensa: 2020-07-20)
This PhD thesis focuses on the development of deep learning based methods for accurate segmentation of the sub-cortical brain structures from MRI. First, we have proposed a 2.5D CNN architecture that ...
Bosch Alay, Josep (Fecha de defensa: 2018-10-17)
Omnidirectional vision has received increasing interest during the last decade from the computer vision community. However, the use of omnidirectional cameras underwater is still very limited. In this ...
Comas Hervada, Bruna (Fecha de defensa: 2014-07-14)
Flame spread over solid samples has been studied from many points of view, as it is key for fire safety, yet it is a complex phenomenon that involves processes occurring in both the solid and the gas ...
Ivina, Olga (Fecha de defensa: 2012-11-20)
This thesis is aimed to introduce a newly developed machine learning method, conformal predictors, for air pollution assessment. For the given area of study, the Barcelona Metropolitan Region (BMR), ...
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 ...
Estany-Tigerström, David (Fecha de defensa: 2013-11-29)
We investigated whether the Argentine ant (Linepithema humile) invasion modifies the trophic web of the sclerophyllous Mediterranean forests to the point that impacts co-occurring bird communities. We ...
Himri, Khadidja (Fecha de defensa: 2021-12-10)
In recent decades, the rapid development of intelligent vehicle and 3D scanning tecnologies has led to a growing interest in applications based on 3D point data processing, with many applications such ...