Now showing items 208-218 of 218

    Ultrasound micromolding technique and real-time X-ray diffraction using synchrotron radiation : applications to porous scaffolds for biomedical devices and study of thermal-induced transitions 

    Olmo Osuna, Cristian (Date of defense: 2021-07-16)

    Current market trend is moving to miniaturized specimens, especially in the biomedical field seeking high effective and less invasive treatrnent. Ultrasound (US) micromolding is a new technique developed to the aim of ...

    Una nova metodologia per a l'avaluació de la gestió ambiental en ports de mar 

    Darbra i Roman, Rosa Mari (Date of defense: 2005-02-05)

    Els ports de mar constitueixen una infraestructura molt important en els països costaners, tant des del punt de vista econòmic com social. Però a la vegada són sistemes molt complexes des del punt de vista ambiental, ja ...

    Una nueva metodología para la predicción de la gravedad en los accidentes industriales aplicando el análisis histórico 

    Carol Llopart, Sergio (Date of defense: 2001-10-03)

    La presente tesis va encaminada al estudio de la gravedad de los accidentes industriales con sustancias peligrosas mediante la utilización del análisis histórico de accidentes. Su objetivo final es utilizar el tratamiento ...

    Understanding Biomass Pyrolysis Kinetics: Improved Modeling -based on -comprehensive -thermokinetic Analysis 

    Gómez Díaz, Claudia Juliana (Date of defense: 2007-01-18)

    En el campo de la cinética de la pirólisis de biomasa se han desarrollado numerosos trabajos de investigación que no acaban de resolver aspectos básicos del proceso. El análisis de resultados termogravimétricos aún requiere ...

    Understanding the mobility of caesium, nickel and selenium released from waste disposal : chemical retention mechanisms of degraded cement 

    Borkel, Christoph (Date of defense: 2016-01-21)

    Cementitious materials are used to condition or stabilise waste and to build infrastructure in disposal sites. Moreover, they are envisaged to form part of engineered barrier systems as container, backfill or liner materials ...

    Use of mathematical methods in the resolution of chemical engineering problems 

    Valverde Salamanca, Abel (Date of defense: 2020-07-27)

    This thesis consists of a compendium of five works that illustrate the utilization of selected mathematical methods to solve specific chemical engineering problems. Hence, the thesis is intended to cover both, a review of ...

    Use of the supercritical fluid technology for the preparation of nanostructured hybrid materials and design of the interface 

    García González, Carlos A. (Date of defense: 2009-12-11)

    Los materiales compuestos nanoestructurados son considerados una opción prometedora para la concepción de materiales multifuncionales. Sin embargo, la falta habitual de interacción entre los componentes orgánicos e ...

    Validation of CFD codes for risk analysis of accidental hydrocarbon fires 

    Rengel Darnaculleta, Borja (Date of defense: 2019-12-13)

    Accidental releases of flammable hydrocarbons in chemical process industries can trigger severe hazards: explosions, fires, and dispersion of toxic vapour clouds. Explosions and toxic releases may injure people within large ...

    Valorización de residuos queratínicos para la obtención de materiales biocompuestos 

    Rahhali, Ahmed (Date of defense: 2015-07-17)

    Materials derired from chicken feathers could be used advantageously in composite building material apptications. Such applications could potentially consume the five billion pounds of feathers produced annually as a ...

    Valorization of phosphate from industrial and domestic effluents as by-products for fertilizers production 

    Harmassi, Mehrez (Date of defense: 2016-02-27)

    Phosphorus in wastewater is mainly present as inorganic phosphate forms and is commonly removed through chemical co-precipitation using Al(III) and Fe(III) salts. However, precipitation is expensive and generates a waste ...

    Vibrational spectroscopies study of Pinus resin in materials from cultural heritage objects 

    Beltran Sanchidrian, Victòria (Date of defense: 2016-11-21)

    Many historical objects have coatings or varnish layers on the surface. In order to determine their conservation and historical contextualization is necessary to know its origin, why they were applied, the application ...