Now showing items 22470-22489 of 41723
Prat Busquets, Pau (Date of defense: 2012-02-26)
The main objective pursued in this thesis targets the development and systematization of a methodology that allows addressing management problems in the dynamic operation of Urban Wastewater Systems. The proposed methodology ...
Pérez Paricio, Alfredo (Date of defense: 2001-04-09)
La Recàrrega Artificial d'aqüífers és una tècnica extremadamente poderosa per optimitzar la gestió dels recursos hídrics. De cara a eliminar actituds escèptiques respecte a la seva aplicabilitat en nombroses situacions, ...
Ahmed Elyamani Ali Mohamed (Date of defense: 2015-02-20)
Historical structures are vital to the realization of how the technical, artistic, and scientific skills of the human kind have developed over time. These structures are one of the motors of the tourism industry, and ...
Dalmau Figueras, Montserrat (Date of defense: 2014-10-17)
Membrane bioreactors (MBR) are a combination of common bioreactors and membrane filtration units for biomass retention, presenting unique advantages like high effluent quality and a smaller footprint than the one by ...
Llobera Adan, Andreu (Date of defense: 2002-10-24)
El camp de l'òptica integrada es presenta com un dels mes prometedors a curt-mig plaç degut als clars avantatges que presenta amb respecte de l'electrònica tradicional. El fet d'utilitzar la llum com a medi vehicular, la ...
Clemente Orta, Gemma María (Date of defense: 2020-10-09)
La demanda mundial d’aliments ha dut al desenvolupament d’una intensa activitat agrícola produint la fragmentació, modificació i simplificació dels hàbitats naturals ja documentats com una de les principals causes de ...
Jofre Cruanyes, Marc (Date of defense: 2013-04-15)
An important issue in today's information society is the security of data transmission against potential intruders, which always put at risk the confidentiality. Current methods to increase security require that the two ...
Capón García, Elisabet (Date of defense: 2011-06-28)
In the current environment of markets globalization and fierce competition, process industries must strive to remain competitive. In this sense, companies pursue decision integration among the different space and time ...
Moya Lara, Ana (Date of defense: 2017-12-05)
Los dispositivos ‘Organ-On-a-Chip' han revolucionado la forma de conocer la biología que hasta el momento se ha venido realizando con los cultivos celulares. Estos sistemas, que contemplan el co-cultivo en tres dimensiones ...
Lops, Camilla (Date of defense: 2020-12-15)
European building stock is characterised by low energy efficiency and high structural vulnerability with respect to earthquakes, especially in seismic prone areas like Italy. In fact, the vast majority of buildings has ...
Cantón Padilla, Jorge (Date of defense: 2003-06-17)
La planificación de la producción en plantas de proceso discontinuo es uno de los problemas más complejos e importantes para una amplia variedad de procesos industriales. A pesar de esta importancia la planificación de la ...
Puy Marimon, Neus (Date of defense: 2010-09-20)
Aquesta investigació ofereix un enfocament multidisciplinari, des d’un punt de vista ambiental, social, econòmic i tecnològic, per a estudiar nous usos de la biomassa forestal utilitzant diferents metodologies, com són ...
Cabanillas Costa, Josep (Date of defense: 2002-12-13)
The context of this thesis is the design of CMOS low power RFIC's suitable for direct conversion architectures. Our starting point is the analysis of the characteristics of the integrated passive components (inductors and ...
Sanz Pérez, Ana (Date of defense: 2021-07-02)
Extensive farmland ecosystems are widespread and biodiversity-rich, yet they face important human pressures since the beginning of agriculture intensification, which is leading them into a severe biodiversity crisis. As a ...
Vilà-Rovira, Albert (Date of defense: 2017-10-20)
This doctoral thesis has integrated biological models (activated sludge models “ASM”) with simulation tools of computational fluid dynamics “CFD”, and has applied them to the design of two advanced technologies for wastewater ...
Chan Pacheco, Carlos Roberto (Date of defense: 2018-10-26)
La presente tesis doctoral se enfoca en evaluar un sistema de eliminación biológica de fósforo (enhanced biological phosphorus removal, EBPR) orientado a un escenario de recuperación de recursos. Los resultados obtenidos ...
Zorrilla Pujana, Juanita (Date of defense: 2016-01-28)
La Educación Ambiental (EA) es considerada por muchos especialistas como parte fundamental en la gestión de las áreas protegidas, constituyendo una pieza clave en la vinculación de las dimensiones biológica y social para ...
Najera Ruiz, Tonatiuh (Date of defense: 2003-09-15)
Pous, Philip de (Date of defense: 2015-07-13)
Many evolutionary processes are influenced by spatio-temporal environmental variation, including speciation, genetic divergence among populations, and evolutionary change in physiology, morphology and behaviour. However, ...
Kebboua Chaker, Nadia (Date of defense: 2019-09-09)
Este estudio investiga el potencial del uso de la tecnologia en la ensenanza y el aprendizaje de la pronunciacion. El estudio explora el progreso de los estudiantes en la pronunciacion en ingles con respecto a la acentuacion ...