Now showing items 19073-19092 of 42462
Puigferrat Pérez, Albert (Date of defense: 2021-07-20)
The objective of the thesis is to develop a numerical tool to describe how the concentration of one or more substances distributed in a fluid environment changes under the effect of three transport processes: advection, ...
Eijo, A. (Ariel) (Date of defense: 2014-09-25)
Although laminated materials have been used for decades, their employment has increased nowadays in the last years as a result of the gained confidence of the industry on these materials. This has provided the scientific ...
Ronchin, Erika (Date of defense: 2015-01-09)
The main focus of this work is to build 3-D FEM models with structural complexities in order to simulate volcanic systems in a more realistic way. We use Rabaul as an example to show the application of the methods and ...
Moreira Filho, Carlos Augusto (Date of defense: 2022-07-21)
This thesis develops numerical methods to improve the accuracy and computational efficiency of the part-scale simulation of Additive Manufacturing (AM) (or 3D printing) metal processes. AM is characterized by multiple ...
Toumanidou, Themis (Date of defense: 2016-11-14)
The human spine provides mechanical support to the trunk while it protects the spinal cord and nerves from the external loads transferred during daily activities. Such loads are largely controlled by the spine muscles and ...
Sáez Calvo, Carles (Date of defense: 2019-07-22)
En esta tesis se estudian problemas relacionados con acciones de grupos finitos en 4-variedades diferenciables y simplécticas. Se prueba que toda 4-variedad diferenciable cerrada X admite una constante C>0 tal que cualquier ...
Loos, Remco (Date of defense: 2008-02-14)
Durante las dos últimas décadas ha surgido una colaboración estrecha entre informáticos, bioquímicos y biólogos moleculares, que ha dado lugar a la investigación en un área conocida como la computación biomolecular. El ...
Cabrefiga Olamendi, Jordi (Date of defense: 2004-06-22)
El fuego bacteriano, causado por Erwinia amylovora, es una enfermedad muy importante a nivel comercial y económico porque afecta a plantas de la familia de las rosáceas y es especialmente agresiva en manzano (Pyrus malus) ...
Solorzano Soria, Ana Maria (Date of defense: 2020-03-05)
In some types of fire, namely, smoldering fires or involving polymers without flame, gases and volatiles appear before smoke is released. Most of the fatalities registered for fires, are caused due to the intoxication of ...
Rodríguez Lozano, Pablo (Date of defense: 2016-01-29)
Wildfires are expected to increase in frequency and intensity because of climate change and changes in land use and management. In last decades, the research on fire effects on aquatic systems has grown, but it has been ...
Eugenio Gosalbo, Màrcia (Date of defense: 2006-10-25)
Se estudiaron los efectos de la recurrencia del fuego en comunidades vegetales Mediterráneas dominadas por el árbol germinador P.halepensis Mill. (pino carrasco) a nivel regional en Cataluña. Entre 8 y 11 años tras la ...
Vacca, Pascale (Date of defense: 2023-07-20)
(English) Wildfires that reach the border between the wildland and urban areas, defined as the Wildland-Urban Interface (WUI), have rapidly expanded in frequency and severity over the past few decades, and the number of ...
Teruel Carrizosa, Mercedes (Date of defense: 2006-09-29)
This thesis examines to what extent the firm size influences on firm growth and their behaviour of Spanish manufactures and service industries between 1994 and 2002 from the stochastic growth theory. The study has not only ...
Kazeminia, Ali (Date of defense: 2015-07-20)
Aquesta tesi respon a la pregunta de “Com les empreses creixen de forma sostenible en contexts dinàmics”, una de les qüestions fonamentals de la literatura d’estratègia. La tesi està formada per tres estudis que aborden ...
Abdi, Yaghoub (Date of defense: 2022-12-15)
Aquesta tesi doctoral es basa en l'estudi de l'associació del valor de la signatura empresarial, el rendiment financer (FP, sigles en anglès) i les iniciatives de sostenibilitat aplicades a la indústria de transport aeri. ...
Turon i Dols, Pau (Date of defense: 2015-11-20)
La manera en que l’empresa crea valor és la primera etapa d’un cicle de dues fases. La segona és la distribució (apropiació) del valor creat a mans dels stakeholders. Com a conseqüència, les dinàmiques de valor són un eix ...
Wong, Álvaro (Date of defense: 2013-06-30)
Evaluar el rendimiento de una aplicación paralela es cada vez más complejo. Una vez terminado el desarrollo, cuando una aplicación pasa a producción, el rendimiento y la eficiencia son fundamentales para los usuarios y ...
Mejía-Likosova, Margarita (Date of defense: 2014-07-25)
Esta tesis desarrolla varios aspectos de la gestión del riesgo sistemático en la empresa, identificando inicialmente una fuente que lo genera (manipulación del resultado), seguida de dos estrategias que, bajo ciertas ...
Widlak, Ewa (Date of defense: 2017-01-03)
The first ladyship is nowadays one of the most mediatized, yet scientifically neglected unofficial institutions to be found in contemporary states. It raises various questions regarding the nature of modern relations between ...
Caballero Folch, Roger (Date of defense: 2015-06-05)
In this work beta-decay half-lives and neutron-emission probability values have been experimentally determined for first time in several nuclei beyond the neutron-shell closure at N=126. To this aim the accelerator complex ...