Ara mostrant els elements 41-50 de 181
Sarmiento Carnevali, Maria Laura (Data de defensa: 2017-09-22)
In recent years, the PEM fuel cell technology has been incorporated to the R&D plans of many key companies in the automotive, stationary power and portable electronics sectors. However, despite current ...
Cañas Gallart, Jordi (Data de defensa: 2016-04-19)
Pervious concrete is a special material with high permeability usually obtained by reducing the amount of fine aggregates in the composition of concrete. The properties of pervious concrete not only ...
Perujo Buxeda, Núria (Data de defensa: 2018-07-12)
Infiltration systems are water treatment technologies where water vertically percolates through porous media while several biogeochemical processes occur. Biofilms are the main responsible for those ...
Magrans Fontrodona, Francesc Xavier (Data de defensa: 2018-12-21)
This dissertation deals with four topics. The first three are in the same environment, the transmission paths. The fourth refers to the synthesis of subsystems and more specifically to two subsystems ...
Hernández Navarro, Olver Olfrey (Data de defensa: 2018-02-22)
Rainfall nowcasting based on the extrapolation of most recent radar rainfall fields usually shows better skill than NWP models for short lead times, since it benefits from observations of the initial ...
Jarauta Arabi, Àlex (Data de defensa: 2016-03-30)
Fuel cells are promising alternatives to conventional energy conversion devices. Cells fueled with hydrogen are environmentally friendly and their effciency is up to 3 times higher than that of ...
Celigueta Jordana, Miguel Ángel (Data de defensa: 2019-11-14)
The work presented in this Thesis is a set of developments focused on the Particle Finite Element Method (PFEM) and its applicability in several fields in Civil Engineering. The PFEM had already been ...
Mao, Yanxin (Data de defensa: 2018-09-06)
The hydro-mechanical behaviour of soils during freezing and thawing is a coupled multi-physics process that has important practical applications. To cite but a few examples, on artificial ground freezing ...
Ikumi Montserrat, Tai (Data de defensa: 2017-10-30)
The external sulfate attack (ESA) is a complex degradation process typically compromising the durability of underground foundations, nuclear or industrial waste containments and tunnel linings exposed ...
Kuzmanović, Maja (Data 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 ...