Now showing items 351-370 of 1473

    Development of advanced analytical methodologies based on gas chromatography coupled to mass spectometry for the determination of pops and vocs in the food and environmental field 

    Sales Martínez, Carlos (Date of defense: 2019-12-18)

    The work in this thesis has been clearly divided into three parts: In the first part, efforts were directed to obtaining a trace level quantification method for halogenated flame retardants using high-volume injections ...

    Development of Advanced Materials Based on Polymeric Ionic Liquids Formulated for Additive Manufacturing 

    Miralles-Comins, Sara (Date of defense: 2023-04-28)

    This thesis focuses on the design, development and characterisation of 3D printable materials based on polymeric ionic liquids. Additive manufacturing, commonly known as 3D printing, is a revolutionary set of technologies ...

    Development of High Temperature Heat Pumps for Industrial Waste Heat Recovery 

    Mateu Royo, Carlos (Date of defense: 2021-05-27)

    One of the major challenges of this decade is developing more sustainable energy systems that contribute to environmental concern, especially climate change mitigation. Extending the operating conditions of the heat pump ...

    Development of hybrid coatings for osseointegration improvement of metal dental implants 

    da Silva Barros, Sara Maria (Date of defense: 2016-12-20)

    Los implantes de titanio presentan comprobada biocompatibilidad no obstante carecen de propiedades osteoinductoras. Las estrategias actuales de modificación superficial de los implantes no resultan plenamente efectivas en ...

    Development of nanofluidst based on nanoencapsulated phase change materials 

    Navarrete Argilés, Nuria (Date of defense: 2020-06-23)

    The present thesis deals with the synthesis and characterisation of nanofluids including phase change materials as the nanoparticles. The main aim of the work is to develop new materials that suppose an improvement on the ...

    Development of New Hybrid Materials Based on Graphene Functionalised with Molecular Complexes. Evaluation of Properties and Catalytic Applications 

    Ventura Espinosa, David (Date of defense: 2020-07-10)

    En la presente tesis doctoral se ha descrito la síntesis de nuevos materiales híbridos basados en complejos organometálicos anclados mediante interacciones no covalentes sobre materiales derivados del grafeno. Los nuevos ...

    Development of perovskite optoelectronic devices on flexible substrates 

    Hassanabadi, Ehsan (Date of defense: 2022-03-08)

    In this thesis, first, the monolithic integration of a perovskite-based optical waveguide amplifier together with a photodetector on a nanocellulose substrate is shown to demonstrate the feasibility of a stretchable signal ...

    Development of transparent semiconductor oxides with optical properties for the functionalization of glass surfaces 

    González Cuadra, Jaime (Date of defense: 2023-12-15)

    The growing interest in semiconductor oxide thin films within materials science and engineering due to their unique physical, chemical, and electrical properties. These films, with thicknesses ranging from nanometers to ...

    Device Modelling of Perovskite Solar Cells using Small Perturbation Methods 

    Pulya Ravishankar, Sandheep (Date of defense: 2019-09-16)

    Perovskite solar cells (PSC) have emerged as an important player in the search for producing c1ean and renewable energy at high efficiencies. However, there exist several bottlenecks to maximise their efficiency and ...

    Déficit en el sistema motivacional aversivo en psicópatas subclínicos evaluados mediante el Psychopathic Personality Inventory-Revised (PPI-R) 

    López Penadés, Raúl (Date of defense: 2010-02-02)

    Tomando como marco teórico el reciente modelo triárquico de la psicopatía (Patrick, Fowles y Krueger, 2009), el objetivo de esta tesis doctoral es someter experimentalmente a prueba en psicópatas no encarcelados la hipótesis ...

    Diachasmimorpha longicaudata as Biological Control agent of the Mediterranean fruit fly, Ceratitis capitata: biotic and abiotic factors affecting its implementation in citrus crops of the Mediterranean basin 

    Harbi, Ahlem (Date of defense: 2017-02-24)

    Ceratitis capitata Wiedemann (Diptera: Tephritidae) is a cosmopolitan pest, originary from West-Africa, that has invaded almost all the temperate and tropical countries by the unwanted aid of the men. During its adaptation ...

    La didáctica de la traducción audiovisual en España: Un estudio de caso empí­rico-descriptivo 

    Cerezo Merchán, Beatriz (Date of defense: 2012-05-18)

    La presente tesis doctoral se enmarca dentro del área de la Traducción e Interpretación, y más concretamente, en el ámbito de la didáctica de la Traducción. Se trata de un estudio empírico-descriptivo de la didáctica de ...

    Diferenciación pedagógica y participación democrática en el aula inclusiva: Estudio de casos múltiples 

    Sanahuja Ribés, Aida (Date of defense: 2017-07-18)

    El objetivo general de esta tesis doctoral es comprender la manera de articular la diferenciación pedagógica y la participación democrática desde la perspectiva de la educación inclusiva en la educación primaria. Los métodos ...

    Different approaches to improve perovskite-based photovoltaic and optoelectronic devices 

    Vallés Pelarda, Marta (Date of defense: 2022-01-21)

    Halide perovskites have had a huge impact on different fields in the last decade due to their versatility and amazing optoelectronic properties. However, there are still some issues to improve towards their future utilization ...

    Digital interventions for emotion regulation in emotional disorders 

    Fernández Kirszman, Javier (Date of defense: 2021-07-28)

    This dissertation describes a way of organising the ample existing evidence in the field of digital mental health. For that purpose the DIU framework is presented (D for dissemination, I for improvement and U for understanding). ...

    Digital patient narratives in the spotlight: a multilingual analysis of metaphors and medical terminology 

    Moreno Moreno, Jenifer (Date of defense: 2023-11-21)

    Health discourse analysis has become particularly attractive in recent years. It provides information about how the public understands certain more general concepts, such as health or disease, or more specific ones, such ...

    Direct communication radio Iinterface for new radio multicasting and cooperative positioning 

    Chukhno, Nadezhda (Date of defense: 2023-04-03)

    Recently, the popularity of Millimeter Wave (mmWave) wireless networks has increased due to their capability to cope with the escalation of mobile data demands caused by the unprecedented proliferation of smart devices in ...

    Discourse markers within the university lecture genre:A contrastive study between Spanish and North-American lectures 

    Bellés Fortuño, Begoña (Date of defense: 2007-02-02)

    La tesis doctoral que aquí se presenta se podría enmarcar dentro de tres campos lingüísticos: el análisis de género, la retórica contrastiva y el análisis de corpus.<br/>El análisis de género (Swales 1981, 1990; Dudley-Evans ...

    Discovering and Describing Coherent and Meaningful Topics from Document Collections 

    Anaya Sánchez, Henry (Date of defense: 2016-01-25)

    The main motivation behind this thesis is the problem of automatically discovering and describing coherent and meaningful topics underlying a target collection of text documents; where a topic is a theme that runs through ...

    Discussion sessions in specialised conference paper presentations. A multimodal approach to analyse evaluation 

    Querol Julián, Mercedes (Date of defense: 2011-02-04)

    This thesis aims at contributing to the research on academic conference paper presentations, particularly to the discussion sessions that follow them. The main purpose of this study is to explore the speaker's expression ...