Now showing items 155-174 of 222
Fazlikeshteli, Shiva (Date of defense: 2023-10-27)
(English) Syngas (a mixture of H2 and CO) is a versatile feedstock that can be used to produce a wide range of chemicals and fuels. For that reason, there is a great interest to optimize and explore new routes for its ...
Morales Huerta, Juan Carlos (Date of defense: 2018-02-26)
In recent years, as a result of climate change, the interest in sustainable materials has increased dramatically. The replacement of compounds of petrochemical origin by bio-based has spread to all areas of chemistry. ...
Hodásová, L'udmila (Date of defense: 2022-11-09)
(English) Zirconia ceramic is widely used in numerous fields, such as electronics, machinery, and biomedical applications, due to its excellent properties as chemical resistance, thermal stability, electrical resistance, ...
Maione, Silvana (Date of defense: 2017-09-14)
In the last decade, conductive polymers have received great interest in both scientific and technological levels due to the electroactive properties exhibited by these materials. For this reason, the main aim of this ...
Romero Fernández, Wilber (Date of defense: 2011-05-20)
The human M3 muscarinic acetylcholine receptor (M3R) regulates many important physiological roles in the central and peripheral nervous systems, and it is involved in the pathophysiology of several neurodegenerative and ...
Braga, Andrea (Date of defense: 2024-01-25)
(English) Heterogeneous catalysis is one of the most important chemical technologies available today to produce most chemicals at the basis of industrial production. The transition to a greener energy production demands ...
Bonfill Teixidor, Anna (Date of defense: 2006-12-18)
Dinamisme, capacitat de resposta i flexibilitat són característiques essencials en el desenvolupament de la societat actual. Les noves tendències de globalització i els avenços en tecnologies de la informació i comunicació ...
Gibert Agulló, Oriol (Date of defense: 2004-07-21)
CATALA <br/> <br/>La contaminació de les aigües superficials i subterrànies representa el problema mediambiental més greu a què s'ha d'enfrontar la indústria minera, a causa de les denominades aigües àcides de mina (AAM), ...
Meca Fàbrega, Alejandra (Date of defense: 2009-05-12)
L'urani es troba present en el medi a baixes concentracions en roques, sòls i aigua, però l'activitat industrial i el desenvolupament de la tecnologia nuclear ha suposat la generació de grans quantitats de residus i zones ...
Lucentini, Ilaria (Date of defense: 2021-11-05)
Due to the problems associated with the generation and storage of hydrogen in portable applications, the use of ammonia fer the on-site production of hydrogen through its catalytic decomposition has been proposed. This ...
Ledesma Rodríguez, Cristian (Date of defense: 2011-11-25)
El modelo actual del consumo energético basado en la utilización de combustibles fósiles requiere un replanteamiento debido al agotamiento de éstos y a las emisiones de gases contaminantes que generan. La obtención de ...
Miralles Schleder, Adriana (Date of defense: 2015-07-08)
With the industrial and technological development of the present-day society, the presence of flammable and toxic substances has increased in a growing number of activities. Dispersion of hazardous gas releases occurring ...
Pavón Regaña, Sandra (Date of defense: 2019-11-28)
Nowadays, rare earth elements (REEs) have gained importance due to their indispensable and critical use in many high-tech industries like hybrid cars, fluorescent lamps, flat screen televisions, mobile phones, disc drives ...
Sequeira, Sebastián Eloy (Date of defense: 2003-07-15)
En general, el control de procesos es muy eficiente cuando el punto de operación deseado ha sido determinado a priori y el sistema tiene capacidad suficiente para responder a las perturbaciones. Mientras el control de ...
Montenegro Landivar, María Fernanda (Date of defense: 2022-09-21)
The residues resulting from orange and spinach processing, composed mainly by peels and seeds; and leaves, respectively, contain relevant amounts of polyphenols, so they can be used as raw material for recovery natural ...
Demey Cedeño, Hary (Date of defense: 2014-11-25)
The growing concern over environmental pollution in recent decades has placed increasing focus on research into the development of sustainable processes associated with the removal of contaminants in waters. Water is scarcer ...
Canudas Ventura, Miquel (Date of defense: 2020-07-24)
The leather manufacturing process consists of a sequence of complex chemical reactions and mechanical processes that allow turning skin, a putrefiable by-product of alimentary industry, into leather, a stable high-value-added ...
Dalmoro, Viviane (Date of defense: 2013-11-04)
The aluminum alloy AA2024-T3, u sed extensively in the aerospace industry, dueto the heterogeneous microstructures intentionally designed to optím ize the m echanical properties, is very susceptible to localízed corros ...
Foroughi, Vahid (Date of defense: 2023-09-20)
(English) The historical analysis performed has shown that jet fires have been the origin of a high number of domino effect accidents, both in the process industry and in the transportation of flammable fluids by pipelines ...
García Cobos, David Manuel (Date of defense: 2018-09-20)
The most widely accepted option for the long-term management of radioactive waste materials considers their disposal in deep underground facilities (examples are Finland, Belgium, France, Sweden, etc.). Such installations ...