Now showing items 5226-5245 of 5500
Orellana Bech, Bernat (Date of defense: 2024-03-07)
(English) The study of the colonic volume has strong relevance in gastroenterology and contributes to the diagnosis and research of lowseverity diseases such as constipation, diarrhea, or Irritable Bowel Syndrome. In the ...
Cousin, Seth Lucien (Date of defense: 2016-09-12)
Attosecond science investigates the realm of processes that happen in fleetingly short passages of time. One attosecond to one second, is what one second is to the age of the universe! Advances in lasers and specifically ...
Obón Estrada, Eleonora (Date of defense: 2019-11-27)
The rare earth elements (REEs) are essential ingredients for the development of modern industry and the transition to a more sustainable economy model. The unique physicochemical features of these elements, such as their ...
Zorrilla Martínez, Rubén (Date of defense: 2020-09-21)
This thesis develops a numerical tool (the Virtual Wind Tunnel, VWT) for the resolution of problems involving fluid flow around structures. Due to the limitations that traditional methods may have in this context, the VWT ...
Sancho Lacalle, Irene (Date of defense: 2018-12-12)
Most of the urban wastewater treatment plants (WWTP), based on conventional activated sludge (CAS) systems, cannot be considered sustainable since the concept of resources (energy and nutrients) recovery is not taken into ...
Vázquez Gallego, Francisco (Date of defense: 2016-07-19)
This thesis aims at contributing to overcome two of the main challenges for the deployment of M2M networks in data collection scenarios for the Internet of Things: the management of massive numbers of end-devices that ...
Navarro Cuenca, Anna (Date of defense: 2012-06-18)
Field biomonitoring based on molecular biomarkers detects early warning signals of stress suffered by organisms exposed to contamination. The lower part of the Ebro River basin has a long pollution history related to the ...
Aparicio Bernat, Francisco Luis (Date of defense: 2016-09-22)
In the coming decades, global warming will affect the biogeochemical cycles evolution, particularly the carbon cycle. In this context, it is necessary to gain knowledge on the Earth natural mechanisms to relieve the ...
Saloustros, Savvas (Date of defense: 2017-11-29)
Numerical methods aid significantly the engineering efforts towards the conservation of existing masonry structures and the design of new ones. Among them, macro-mechanical finite element methods based on the smeared crack ...
Morral Molto, Eloi (Date of defense: 2021-12-03)
The growth in world population has led to a significant increase in the generation of wastes (solid, liquid and gaseous). Waste gas is probably the major issue in the case of waste treatment, due to the fact that once the ...
Roca Sancho, Jordi (Date of defense: 2013-10-16)
This thesis deals with uncertainty in radar-based precipitation estimation and nowcasting in two ways: its quantification in a probabilistic manner, and its reduction in the precipitation estimates. A straightforward way ...
Font Comas, Joan (Date of defense: 1987-05-28)
L'objectiu bàsic del present treball és, el de, partint de l'estudi de Martínez-Quintanilla, plantejar un sistema informatitzat per al traçat de la perspectiva curvilínia de pantalla cilíndrica, capaç de poder representar, ...
Brunner, René (Date of defense: 2011-11-18)
The increasing amount of data and the number of nodes in large-scale environments require new techniques for information management. Examples of such environments are the decentralized infrastructures of Computational ...
Ferragut Martínez-Vara de Rey, Jaime (Date of defense: 2014-07-29)
The growth in user demand for higher mobile data rates is driving Mobile Network Operators (MNOs) and network infrastructure vendors towards the adoption of innovative solutions in areas that span from physical layer ...
Temesgene, Dagnachew Azene (Date of defense: 2020-07-21)
Due to the rapid growth of mobile data traffic, future mobile networks are expected to support at least 1000 times more capacity than 4G systems. This trend leads to an increasing energy demand from mobile networks which ...
Cerdà Alabern, Llorenç (Date of defense: 2000-01-13)
Data traffic has emerged as a big challenge for the standardization of traffic management mechanisms in ATM networks. In April 1996 the ATM Forum published the first version of the Available Bit Rate Service Category (ABR) ...
Trakas, Panagiotis (Date of defense: 2019-05-31)
The rise of third-party content providers and the introduction of numerous applications has been driving the growth of mobile data traffic in the past few years. In order to tackle this challenge, Mobile Network Operators ...
Sáez García, Raúl (Date of defense: 2021-10-01)
The growth in air traffic has led to a continuously growing environmental sensitivity in aviation, encouraging the research into methods for achieving a greener air transportation. In this context, continuous descent ...
Tejedor Papell, Gemma (Date of defense: 2019-11-21)
This research aims to improve engineering education in sustainability (EESD) through transdisciplinarity (td) learning approaches. The research comprised 3 phases. The first consisted of the analysis of how sustainability ...
Fernández Belmonte, Diego (Date of defense: 2009-02-25)
La evaluación preliminar de los resultados de la Reforma Ferroviaria Europea muestra la lentitud de su implementación y la existencia de insuficiencias en el nivel de competencia introducido en el mercado y en la consecución ...