Now showing items 71-90 of 220

    Design and bioapplication of nanointerfaces based on conducting polymers 

    Pérez Madrigal, Maria del Mar (Date of defense: 2015-07-03)

    This Thesis reports the fabrication and characterization of interfaces based on conducting polymers (CPs), which are designed with at least one dimension in the nanometric scale, for bioapplications such as scaffolds for ...

    Design optimization of storage terminals through the application of QRA 

    Bernechea, Esteban (Date of defense: 2013-09-19)

    The storage of hazardous materials is a necessary part of the life cycle and operation of any process plant, which intrinsically entails certain hazards and dangers. The results of historical analysis reveal that 17% of ...

    Design, synthesis, characterization and development of novel organic conducting polymers with technological applications 

    Aradilla Zapata, David (Date of defense: 2013-01-11)

    In this thesis, a series of novel organic conducting polymers have been synthesized using alternative methods based on electrochemical techniques, which have allowed to broaden the knowledge in the field of the characterization ...

    Desulfuración de gas de síntesis a alta temperatura y presión por absorción en óxidos regenerables 

    Perales Lorente, José Francisco (Date of defense: 2002-04-04)

    DE LA TESIS<br/><br/>Es una contribución al desarrollo de un nuevo método de purificación de gas de síntesis en plantas IGCC, que posibilita un incremento de la eficiencia energética de las plantas de obtención de energía, ...

    Determinación de los factores de emisión de monoterpenos en tres especies típicas de la vegetación terrestre mediterránea: Pinus pinea, Pinus halepensis y Quercus ilex 

    Sabillón Rodríguez, Danelia (Date of defense: 2002-01-08)

    La presencia de ozono a nivel de la troposfera constituye uno de los problemas de contaminación más significativos en las grandes ciudades en el mundo. La formación de ozono troposférico es provocada principalmente, por ...

    Development of multifunctional biopolymeric materials for teatment of decubitus ulcers 

    Rocasalbas Lozano, Guillermo (Date of defense: 2012-11-30)

    Chronic wounds including pressure, venous, arterial and diabetic neuropathic ulcers, represent a significant burden to the healthcare system. These different chronic wound types do not share origin or cause, however they ...

    Development of novel techniques of advanced transport characterization of membranes 

    Fernández de Labastida Ventura, Marc (Date of defense: 2020-10-01)

    Optimization of membrane separation processes rely on the accurate determination of some parameters related to membrane structure, chemistry, morphology or transport mechanism. Therefore, membrane characterization is ...

    Development of scaffolds by thermally-induced phase separation from biodegradable poly(3-hydroxybutyrate-co-3-hydroxyvalerate) and poly(butylene succinate) 

    Zeinali, Reza (Date of defense: 2021-11-22)

    TIPS process followed by freeze-dtying was used to prepare blodegradable and biocompatible matrices from poly(3- hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) containing 5 and 12 wt% of 3-hydroxyvalerate (HV) and poly(butylene ...

    Development of Techniques Based on Natural Polymers for the Recovery of Precious Metals 

    Ruiz Planas, Montserrat, 1959- (Date of defense: 2002-05-10)

    Aquest treball contribueix a l'estudi de la sorció de metalls preciosos en chitosan, presentant-lo com una futura alternativa a nivell industrial en front dels altres processos ja utilitzats actualment. Concretament el ...

    Developmet of flexible electrodes and lightweight capacitors 

    Saborío González, Maricruz (Date of defense: 2018-03-23)

    This work has focused on the study and development of hierarchically, flexible electrodes and lightweight capacitor using as a source of flexibility. the y-polyglutamic acid (y-PGA) and as an electroactive polymer the ...

    Diferents estats d’oligomerització entre els receptors 5-HT1A, GALR1 I GPR39 com a noves dianes terapèutiques en depressió 

    Tena Campos, Mercè (Date of defense: 2015-06-16)

    The type of serotonin receptor 1A (5-HT1A), the galanin type 1 (GalR1) and the orphan receptor 39 (GPR39) belong to the superfamily The serotonin receptor type 1A (5-HT1A), the galanin receptor type 1 (GalR1) and the ...

    Disolución del combustible nuclear gastado en un almacenamiento geológico profundo: efecto de los productos radiolíticos y de formación de fases secundarias 

    Sureda Pastor, Rosa M. (Date of defense: 2012-09-13)

    La gestión adecuada de los residuos radiactivos de elevada actividad es uno de los desafíos más complejos en nuestra sociedad industrializada y que suscita gran polémica social. La cantidad de residuos radiactivos ...

    ECO-DWOR: ECOlogical finishing agents for Durable Water & Oil-Repellent textiles with advanced functionalities 

    Lacruz Cruz, Amado (Date of defense: 2022-07-18)

    Fluorinated chemicals, commonly known as per- and polyfluoroalkyt substances (PFASs), are widely used to obtain water-, oil- and stain-repellent texUles. The constant development and optimization of fluorochemicals for ...

    Efectivitat dels tractaments d'aclarida en la reducció del risc de propagació d'incendis en regenerats de pi blanc 

    Domenech Jardí, Ruth (Date of defense: 2011-11-18)

    Increased wildfire activity over the last years has made fire managers to become more concerned about the effectiveness of current fuel treatment practices to reduce fire risk and severity. Fuel treatments lead to changes ...

    Effect of alkaline conditions on near-field processes of a spent nuclear fuel geological repository 

    Martínez Torrents, Albert (Date of defense: 2015-03-17)

    The contact ofthe spent nuclear fuel (SNF) with water dueto a failure in the canister would be a conservative but still plausible hypothesis in the safety assesment of a deep geologic repository (DGR). Concrete and ...

    Efficient operation of photo-Fenton process for the treatment of emerging contaminants in water solutions 

    Yamal Turbay, Evelyn (Date of defense: 2013-10-24)

    The growth of population density in some areas of the planet and the increasing fast advances in technology and energy issues, have resulted in a remarkable increment in the necessity for goods and services, with a subsequent ...

    Electron transfer processes in biomimetic membranes incorporating prenylquinones 

    Hoyo Pérez, Javier (Date of defense: 2014-10-17)

    The photosynthesis is the process used by the plants and bacteria cells to convert the inorganic matter in organic thanks to the light energy. This process consist on several steps, being one of them the plastoquinone-9 ...

    Energy optimisation and controllability in complex distillation columns 

    Serra, Maria (Serra Prat) (Date of defense: 2000-09-12)

    To extend the knowledge of complex distillation arrangements for the separation of ternary mixtures and make them closer to implementation in industry is the motivation of this thesis work. Some design, operation, and ...

    Enhancing the thermal efficiency of a salinity gradient solar pond. Implementation of the study in the design, construction, salinity gradient establishment, operation and energy transfer at industrial scale 

    Alcaraz Segura, Aurora (Date of defense: 2019-02-28)

    The energy model in the last decades has been dominated by the consumption of fossil fuels assuming a high environmental cost. Global warming and the destruction of the ozone layer are two examples of the deterioration ...

    Estrategias de análisis y exploración de datos como soporte a la operación y supervisión deprocesos químicos 

    Tona Vásquez, Rodolfo Vicente (Date of defense: 2006-12-12)

    En esta tesis se presenta un conjunto de metodologías que intentan facilitar la tarea de explotación de la información contenida en los datos históricos de proceso y como reaprovecharlos de modo de producir un impacto ...