Now showing items 1-20 of 55
Lladó Valero, Jordi (Date of defense: 2016-02-02)
In the last two decades an increasing presence of organic substances such drugs, pesticides, etc. has been detected in water which may affect the health of the organisms and the environment. Some of these contaminants ...
Fernández Iriarte, Amaia (Date of defense: 2023-07-06)
(English) This PhD thesis focuses on identifying the factors that control the concentrations of inhalable particles, pollutant gases, and bioaerosols inside public buses in Barcelona. The study was conducted in the ...
Fàbrega Alsina, Carles (Date of defense: 2020-12-17)
The granitic basement below the Triassic unconformity in the Guilleries and Roc de Frausa massifs (NE Iberia), presents widespread red stained facies characterized by plagioclase albitization, biotite chlhoritization, ...
Sidki Rius, Nor (Date of defense: 2023-12-13)
(English) The importance of potash is inevitable to life on the planet earth as it is required by living mechanisms including plants, animals and human beings. In Europe, this vital ore is produced mainly by Germany and ...
Pineda Rüegg, Nicolau (Date of defense: 2004-11-15)
L'important increment de la capacitat de càlcul computacional que s'ha donat en els últims anys ha fet que els models numèrics meteorològics hagin pogut assolir resolucions de treball molt fines. Ara bé, aquest increment ...
Tortosa i Moreno, Montserrat (Date of defense: 2001-09-30)
Els éssers vius es divideixen filogenèticament en eucarionts, amb un nucli ben definit, i bacteris. Hi ha dos tipus de bacteris, els eubacteris i els arqueobacteris. Els arqueobacteris tenen, entre altres diferències, una ...
Dorado Castaño, Antonio David (Date of defense: 2010-01-29)
Biofiltration has become an effective and economical alternative to traditional gas treatment systems. High costs of operation and energy consumption associated to conventional treatments have lead to increase the attention ...
Ticó Falguera, Neus (Date of defense: 2016-11-21)
Stroke is one of the most serious and common public health problems. Impairment of the upper extremity (UE) following stroke affects 50 - 80 % of patients. Full UE function is achieved in 79 % of patients with initial mild ...
Pey Betrán, Jorge (Date of defense: 2008-01-31)
La contaminación atmosférica por material particulado (PM) tiene efectos adversos sobre la salud, el clima y los ecosistemas. La concentración en masa y número, el tamaño y la composición química son aspectos clave, pese ...
Xercavins, Josep (Date of defense: 1999-12-17)
0.4.1. ORGANIZATION<br/><br/>In the context of the global human/earth issues (population, poverty, imbalances, environment problematic, global warming, water scarcity, economical globalization, etc.) with the others the ...
Font Soldevila, Josep (Date of defense: 2006-03-24)
Aquest treball tracta dels diferents comportaments que ha tingut l'aigua subterrània a la vall Salada de Cardona i en el seu aiguabarreig amb el riu Cardener. Aquest riu, ha arribat a ser problemàtic per les seves conseqüències ...
Guadayol Gallego, Marta (Date of defense: 2016-01-27)
Organoleptic properties of water are the only means whereby a consumer can assess water quality and safety. Among these properties, taste and odour are the most important. The first part of this study displays the water ...
Prades Martell, Lledó (Date of defense: 2018-12-13)
This thesis is focused on the development of one-phase and multiphase models using computational fluid dynamics (CFD) techniques to analyze biosystems behavior at mesoscale. In the first part, the operation of a fixed-bed ...
Molina Escobar, Jorge Martin (Date of defense: 2008-07-10)
El ser humano con su inteligencia y conocimiento debería ser un elemento clave en el logro de un mejor desarrollo sostenible. Son evidentes los casos en que por desconocimiento o por omisión, se han desaprovechado o ...
Barcons Xixons, Víctor (Date of defense: 2013-10-31)
Des de la seva creació, el microscopi de força atòmica (AFM) ha estat àmpliament utilitzat sobretot per la caracterització de superfícies, obtenint imatges topogràfiques amb una resolució espacial de l’ordre o fins i tot ...
Herms Canellas, Joan Ignasi (Date of defense: 2022-06-02)
This thesis has aimed to improve the hydrogeological knowledge of the Port del Comte Massif (PCM), a karstic aquifer system located in the south-eastern sector of the Pyrenees that plays a strategic role in the provision ...
Díaz Rengifo, Juan Arturo (Date of defense: 2001-03-27)
El presente trabajo de investigación titulado "Desarrollo de un Sistema Integrado para Monitorización "in situ" de metales pesados", trata de la puesta en marcha de un nuevo sistema de medida potenciométrico portátil para ...
Delgado Martínez, Aida Mercedes (Date of defense: 2024-02-09)
(English) The municipality of El Tambo is in the department of Nariño, Colombia, it is an integral part of the Andes Mountain Range, it belongs to the two most important geographical features of this in Colombia, “El Nudo ...
Guimerà Villalba, Xavier (Date of defense: 2016-07-22)
This thesis is focused on the development of microsensors specially designed for biofilms monitoring and on the application of these devices to study and characterize different biofilms. Using micro-electromechanical ...
Tarruella Boixadera, Ramon (Date of defense: 2002-06-14)
El present treball analitza l'aplicabilitat de diferents tècniques, originalment ideades per al tractament de xàfecs que fan ús d'imatges IR de satèl·lit per estimar la precipitació amb una finalitat climatològica en la ...