Now showing items 1327-1346 of 1476

    Sparse Linear System Solvers on GPUs: Parallel Preconditioning, Workload Balancing, and Communication Reduction 

    Flegar, Goran (Date of defense: 2019-06-21)

    With the breakdown of Dennard scaling in the mid-2000s and the end of Moore's law on the horizon, the high performance computing community is turning its attention towards unconventional accelerator hardware to ensure the ...

    Spatial and spatio-temporal point patterns on linear networks 

    Moradi, Mohammad Mehdi (Date of defense: 2018-11-21)

    The last decade witnessed an extraordinary increase in interest in the analysis of network related data and trajectories. In the spatial statistics field, there are numerous real examples such as the locations of traffic ...

    Spatial modelling of air pollution for open smart cities 

    Gupta, Shivam (Date of defense: 2018-11-15)

    The thesis presents five contributions which address the issues mentioned above. The first contribution is the choice of a statistical method which can help in utilising existing open data and overcoming challenges imposed ...

    Stabilization of Polymorphic Halide Perovskite Black Phase for Optoelectronic Applications 

    Kunnummal Mangott, Muhammed Salim (Date of defense: 2022-05-26)

    The photovoltaic and luminance efficiencies of halide perovskite-based devices achieved an unprecedented improvement in comparison to their existing counterparts. Among the family of lead-based halide perovskites, the ...

    Statistical tests for comparisons of spatial and spatio-temporal point patterns 

    González Monsalve, Jonatan A. (Date of defense: 2018-02-21)

    We mainly introduce a new set of tests to compare functional descriptors in point processes context. Firstly, since the study of spatio-temporal point processes has not been widely covered in the literature, a complete ...

    Storytelling como herramienta y mejora de la eficacia en publicidad. Análisis de los casos Aquarius y BMW en televisión (1992-2010) 

    Farran Teixidó, Eduard (Date of defense: 2014-01-31)

    La tesis estudia la relación del Storytelling como herramienta de difusión de mensajes emocionales y a la vez como herramienta de mejora de la eficacia en publicidad a través de dicha herramienta. Para ello se estudia una ...

    Structural and Processing Modification of Perovskite for the Optimization of Photovoltaic Devices 

    Serafini, Patricio (Date of defense: 2023-11-21)

    Perovskite solar cell devices exhibit better properties than previous generations of solar cells thus making them a powerful competitor in the market. However, it is necessary to carry out optimizations to reach high ...

    Studies of sulfurated compounds and epoxidation of MDH adducts. New inhibitors of cysteine proteases. 

    Latorre Martínez, Antonio (Date of defense: 2015-12-18)

    A. L. Martínez presents a PhD thesis on syntheses design and testing of new protease inhibitors targeting proteasome and cysteine proteases, e.g. cathepsins. With the various chapters his thesis covers fields from organic ...

    Study and Prediction of Air Quality in Smart Cities through Machine Learning Techniques Considering Spatiotemporal Components 

    Iskandaryan, Ditsuhi (Date of defense: 2023-03-07)

    Air quality is considered one of the top concerns. Information and knowledge about air quality can assist in effectively monitoring and controlling concentrations, reducing or preventing its harmful impacts and consequences. ...

    Study of the possible migration risks of food contact materials for children under 3 years 

    Onghena, Matthias (Date of defense: 2016-11-01)

    El Bisfenol-A (BPA) se ha usado durante muchos años como monómero en polímeros de policarbonato (PC) (botellas de agua y comida para niños-biberones) y en resinas tipo epoxi (botes de comida preparada), a partir de los ...

    Studying user behavior through a participatory sensing framework in an urban context 

    Ngo, Manh Khoi (Date of defense: 2018-11-22)

    The thesis details the design and implementation of a multi-purpose participatory sensing framework (Citizense) based on a list of requirements extracted from the literature. This framework enables ordinary users to ...

    Subcooling systems in transcritical CO2 refrigeration cycles. Experimental evaluation of energy improvement 

    Nebot Andrés, Laura (Date of defense: 2022-05-04)

    The F-Gas regulation regulates or prohibits the use of certain refrigerants in refrigeration installations in order to reduce greenhouse gasses emissions and mitigate global warming. This leaves CO2 as the best solution ...

    Sulfuros clúster de molibdeno como catalizadores selectivos en procesos de reducción para la síntesis de aminas 

    Pedrajas Gual, Elena (Date of defense: 2017-09-26)

    En esta tesis doctoral se describe la síntesis, caracterización y aplicaciones catalíticas de nuevos sulfuros clúster de molibdeno con ligandos dadores de nitrógeno. La síntesis del primer clúster diamino Mo3S4 de fórmula ...

    Supporting Public Participation through Interactive Immersive Public Displays 

    Du, Guiying (Date of defense: 2018-11-15)

    The main contributions of this thesis can be summarized as: (1) the identification of key challenges and opportunities for future research in using public displays for public participation in urban contexts; (2) two sets ...

    Supramolecular metallogels for application in catalysis 

    Cerqueira Araújo, Marco Filipe (Date of defense: 2016-06-21)

    La tesis describe el diseño y la síntesis de geles moleculares funcionalizados con fragmentos catalíticos de feniltriazol (PhTzValn), benciltriazol (BzTzAValn) y azidocoumarinatriazol (RAzTzValn) y su aplicación como ...

    Surface state assisted charge transfer and recombination processes at the semiconductor/electrolyte interface 

    Bertoluzzi, Luca Gael (Date of defense: 2016-06-15)

    La necesidad urgente de adoptar las medidas necesarias para limitar el aumento de la temperatura global del planeta a un máximo de 1.5ºC fue enfatizada durante la Cumbre de Paris contra el cambio climático celebrada a ...

    Sustainability implementation and management in organizations. Proposal of framework, methodologies and business intelligence computer tools. 

    Ferrer Estévez, María (Date of defense: 2024-02-15)

    The thesis, titled "Sustainability Implementation and Management in Organizations: Proposal of Framework, Methodologies, and Business Intelligence Computer Tools," explores the integration of sustainability into organizational ...

    Sustainability in Microfinance Institutions 

    García Pérez, Icíar (Date of defense: 2019-02-26)

    Inspired by the 1999 Program of Action defined by the United Nations, which describes eight pragmatic areas for a Culture of Peace. My proposal will work on the section 'Sustainable economic and social development' evaluating ...

    Synthesis of colloidal nanomaterials through femtosecond laser ablation 

    Torres Mendieta, Rafael Omar (Date of defense: 2016-06-24)

    La investigación de esta tesis se centra en la producción de nanoestructuras metálicas dentro de aceites orgánicos y nano-ensambles por ablación láser en líquidos para resolver los mayores problemas en su producción por ...

    Synthesis of combretastatin analogues with antineoplastic properties 

    Conesa Milián, Laura (Date of defense: 2019-06-25)

    This doctoral thesis belongs to the field of medicinal and pharmacological chemistry. Its aim is the synthesis, characterization and biological evaluation of three families of aminocombretastatin derivatives, compound with ...