Now showing items 4326-4345 of 5493
Claverol Aguas, Mercè (Date of defense: 2004-07-16)
Esta tesis se divide en dos partes. La primera parte contiene el estudio de tres pesos o profundidades, asociados a conjuntos finitos de puntos en el plano: el peso definido por las capas convexas, convex depth (introducido ...
Lielbarde, Sandra (Date of defense: 2020-10-16)
Considering the importance of shipping in world trade, the proficient and competent seafarers employed in the maritime industry play a key role in ensuring the international transport of goods by sea. The safety of the ...
Triadó Aymerich, Joan (Date of defense: 2016-12-21)
Electrification hybrid systems (wind-photovoltaic systems) are a suitable option to supply electricity independently in isolated communities. To design these systems, there are recent mathematical models that provide the ...
Barajas Saldaña, Luis Matias (Date of defense: 2015-12-11)
The research is conducted for single-family social housing in the city of Saltillo, Coahuila, Mexico, taking into account different general or simplified procedures applied at the energy certification of new housing, ...
Mateo Doll, Manuel (Date of defense: 2001-05-21)
El problema tratado, conocido como “Hoist Scheduling Problem”, pretende determinar la programación de una grúa, y ocasionalmente la secuencia de elementos en una línea de producción. En este caso, los objetos se desplazan ...
Bautista Valhondo, Joaquín (Date of defense: 1993-02-01)
Las líneas de fabricación de productos mixtos, muy frecuentes en los entornos JIT (Just-in-Time) y DS (Douki Seisan), permiten tratar diversas variantes de uno o más productos. Esta flexibilidad condiciona el orden en que ...
Valencia Díaz, Edison (Date of defense: 2007-02-20)
Esta tesis cubre un conjunto de objetivos de investigación relacionados con la adquisición, la medida, la representación y el procesado de la información de color contenida en la imagen digital. La caracterización de los ...
García Aguirre, Karen Adriana (Date of defense: 2020-03-26)
Twinning induced plasticity (TWIP) steels possess both, very high tensile strength and large elongation together with high formability and an outstanding high strain hardening. The unique combination of its distinctive ...
Pérez Pueyo, Rosanna (Date of defense: 2005-01-21)
La investigación de los materiales constitutivos de obras de arte, en la que se encuadra esta tesis, es una de las aplicaciones de la espectroscopía Raman que ha ido creciendo en importancia en las últimas décadas. El ...
Yangüez Cervantes, Nilda (Date of defense: 2016-01-22)
The thesis is located in two (2) key areas of knowledge: The Software Process Improvement (SPI Software Process Improvement) and Process Change (PDC) at Process Software (PDS) r.Aethods of .Analysis and Cost-Efficiency ...
Lozano Pérez, Sergi (Date of defense: 2008-06-23)
The starting point of this dissertation is the realization of two facts. On one side, the need of methodologies to develop the research around social aspects of Sustainable Development (SD). Social aspects have been ...
Vaezi Anzeha, Iman (Date of defense: 2023-12-21)
(English) This doctoral thesis investigates the causes that induce (micro)seismicity as a result of hydraulic stimulation in fractured low-permeability rock. Understanding such phenomenon is of paramount importance to ...
Offeddu, Francesco G. (Date of defense: 2015-10-30)
Waters from mines (acid mine drainage-AMD), contain elevated concentrations of SO-24, Fe and other contaminant metals, which can persist in the environment during centuries. The purpose of AMD treatments is to retain metals ...
Melk, Latifa (Date of defense: 2016-05-20)
In the last decades there has been growing interest in developing ceramic materials with high fracture toughness (Klc) and strength for structural applications. In the specific case of 3 mol% yttria-doped tetragonal zirconia ...
Tovar Vargas, Daniela (Date of defense: 2021-07-20)
In recent years, zirconia ceramics have been used in many applications. Some of them include tool forming due to its high strength and fracture toughness, thermal barrier coatings on turbines engines due to its low thermal ...
Gibert Agulló, Oriol (Date of defense: 2004-07-21)
CATALA <br/> <br/>La contaminació de les aigües superficials i subterrànies representa el problema mediambiental més greu a què s'ha d'enfrontar la indústria minera, a causa de les denominades aigües àcides de mina (AAM), ...
Meca Fàbrega, Alejandra (Date of defense: 2009-05-12)
L'urani es troba present en el medi a baixes concentracions en roques, sòls i aigua, però l'activitat industrial i el desenvolupament de la tecnologia nuclear ha suposat la generació de grans quantitats de residus i zones ...
Tolchinsky, Pancho (Date of defense: 2012-07-09)
In this Thesis we present an argument-based model – ProCLAIM – intended to provide a setting for heterogeneous agents to deliberate on whether a proposed action is safe. That is, whether or not a proposed action is expected ...
Lucentini, Ilaria (Date of defense: 2021-11-05)
Due to the problems associated with the generation and storage of hydrogen in portable applications, the use of ammonia fer the on-site production of hydrogen through its catalytic decomposition has been proposed. This ...
Ledesma Rodríguez, Cristian (Date of defense: 2011-11-25)
El modelo actual del consumo energético basado en la utilización de combustibles fósiles requiere un replanteamiento debido al agotamiento de éstos y a las emisiones de gases contaminantes que generan. La obtención de ...