Now showing items 11199-11218 of 41831

    Dugong-Seagrass Interactions in the Arabian Peninsula: Dugong Feeding Grounds as a Conservation Management Unit 

    Khamis, Abdulqader (Date of defense: 2023-10-24)

    [eng] The principal challenge of conserving marine megaherbivores is that they typically range over extensive areas that far exceed the spatial scales of conventional management, transcending protected areas, and often ...

    Duplicaciones génicas y virulencia en Escherichia coli 

    Bernabeu Lorenzo, Manuel (Date of defense: 2021-06-08)

    The pathogenic strains of Escherichia coli can be divided into two large groups: those that cause intestinal infections and those that cause extra- intestinal infections. The strains that belong to the first group are ...

    Duplicacions segmentàries a la regió cromosòmica humana 8P23.1: evolució i expansió d'una nova família gènica 

    Bosch Pages, Nina (Date of defense: 2008-12-19)

    Les duplicacions segmentàries (DSs), o també anomenades duplicons o Low copy Repeats (LCRs), són regions de coma mínim 1 kb amb un alt nivell d'identitat (>90%), que estan presents almenys dues vegades en el genoma. La ...

    Durability of resistance to Meloidogyne mediated by R-genes in solanaceous and cucurbitaceous crops 

    García Mendívil, Helio Adán (Date of defense: 2019-10-29)

    Watermelon, Citrullus lanatus var. lanatus, and eggplant, Solanum melongena, are two major crops commonly grafted onto resistant rootstocks for controlling soilborne diseases. However, there are currently no commercially ...

    Durada dels símptomes i supervivència en el càncer simptomàtic del tub digestiu 

    Fernández Muñoz, Esteve (Date of defense: 1995-06-30)

    Sólo una minoría de estudios sobre la demora diagnostica en el cáncer del tubo digestivo han analizado su influencia sobre la supervivencia, y los que lo han hecho muestran resultados discrepantes: una demora mayor se ha ...

    Duration-Based Measures as an Alternative to Studying Union Formation and Fertility 

    Mogi, Ryohei (Date of defense: 2020-04-24)

    Aquesta tesi té com a objectiu oferir una perspectiva alternativa a l’estudi de la demografia familiar mesurant la durada dels esdeveniments d’unió i fecunditat i desenvolupar tres nous índexs per a una millor comprensió ...

    DVFS power management in HPC systems 

    Etinski, Maja (Date of defense: 2012-06-01)

    Recent increase in performance of High Performance Computing (HPC) systems has been followed by even higher increase in power consumption. Power draw of modern supercomputers leads to very high operating costs and ...

    Dynamic adaptation of user profiles in recommender systems 

    Marín Isern, Lucas (Date of defense: 2013-07-09)

    In a period of time in which the content available through the Internet increases exponentially and is more easily accessible every day, techniques for aiding the selection and extraction of important and personalised ...

    Dynamic assessment of structural building components. 

    Araiza Garaygordobil, Juan Carlos (Date of defense: 2003-02-28)

    The development of methods that correlate the measure of dynamic parameters with the condition of the structure has received a considerable attention from the engineering community in the last few years. In the field of ...

    Dynamic behavior of type IV collagen at cell-biomaterial interface 

    Coelho, Nuno Miranda (Date of defense: 2012-05-25)

    The initial molecular events that take place at biomaterials interface mimic to a certain extent the natural interaction of cells with the extracellular matrix (ECM). In this thesis we describe the fate of adsorbed type ...

    Dynamic Covalent Capsules based on Calix[4]pyrrole Scaffolds 

    Mirabella, Chiara Francesca Maria (Date of defense: 2022-09-13)

    Aquesta tesi descriu l'assemblatge de caixes i càpsules moleculars basades en enllaços imina que tenen cavitats amb interiors polars. Investiguem l'autoassemblatge dinàmic assistit per una molècula que serveix de “plantilla” ...

    Dynamic Factor Analysis as a Methodology of Business Cycle Research 

    Kholodilin, Konstantin A. (Date of defense: 2003-04-23)

    El objetivo principal de la investigación emprendida en la presente tesis doctoral es elaborar una técnica de construcción de un indicador económico compuesto o un conjunto de dichos indicadores que, correspondiendo al ...

    Dynamic Factors of Bacteriorhodopsin: Regulation Key Points in Helices B, C and F 

    Perálvarez Marín, Alejandro (Date of defense: 2005-07-07)

    The main objective of this work is the analysis of the structural and functional role of some amino acids in Bacteriorhodopsin.<br/>- Characterization of the motif Thr90-Pro91 in the centre of Helix C of Bacteriorhodopsin. ...

    Dynamic force spectroscopy and folding kinetics in molecular systems 

    Alemany i Arias, Anna (Date of defense: 2014-11-04)

    Codification of genetic information; regulation of gene expression; transport of nutrients inside cells; immune protection against infectious agents; transduction of external signals... These are some of the crucial processes ...

    Dynamic large deformation modelling of soils including static liquefaction 

    Carluccio, Gaia di (Date of defense: 2021-11-30)

    Modelling geotechnical problems involving large deformation is a research field that arouses growing interest since it is fundamental for evaluating the risk and quantifying the magnitude of consequences. However, it is ...

    Dynamic load balancing for hybrid applications 

    Garcia Gasulla, Marta (Date of defense: 2017-04-18)

    It is well known that load imbalance is a major source of efficiency loss in HPC (High Performance Computing) environments. The load imbalance problem has very different sources, from static ones related to the data ...

    Dynamic management and restoration of virtual paths in broadband networks based on distributed software agents 

    Vilà Talleda, Pere (Date of defense: 2004-05-07)

    La gestió de xarxes és un camp molt ampli i inclou molts aspectes diferents. Aquesta tesi doctoral està centrada en la gestió dels recursos en les xarxes de banda ampla que disposin de mecanismes per fer reserves de recursos, ...

    DYNAMIC MATHEMATICAL TOOLS FOR THE IDENTIFICATION OF REGULATORY STRUCTURES AND KINETIC PARAMETERS IN 

    Miró Roig, Antoni (Date of defense: 2014-11-03)

    En aquesta tesi presentem una metodologia sistemàtica la qual permet caracteritzar sistemes biològics dinàmics a partir de dades de series temporals. Del treball desenvolupat se’n desprenen tres publicacions. En la primera ...

    Dynamic modelling and control schemes for current-source resonant converters 

    Ghahderijani, Mohammad Moradi (Date of defense: 2018-10-09)

    This thesis focuses on the control methods applied to current source resonant converters, especially in two different applications of switching power supplies and wire-less power transfer systems. In fact, the existing ...

    Dynamic Multivalency For The Recognition Of Protein Surfaces 

    Reeh, Philipp (Date of defense: 2014-05-21)

    En esta tesis doctoral el concepto de multivalencia en el reconocimiento de proteínas (lectinas) con azúcares se combinó con la idea de la química dinámica combinatoria. Esto se aplicó, no sólo para sacar ventaja del ...