Ara mostrant els elements 147-166 de 223

    Nano-enabled screen-printed electrodes for the determination of trace elements in aqueous environmental samples 

    Torres Rivero Andrade, Karina Victoria Alejandra (Data de defensa: 2023-07-12)

    (English) Acid mine drainage (AMD) is a wastewater originated from complex oxidation processes that has become one of the most challenges facing the global mining industry due to its acidity, high content of SO42- and other ...

    Nanoestructuras de TiO2 de baja dimensionalidad para la obtención fotocatalítica de hidrógeno 

    Martínez Martínez, Gabino Lester (Data de defensa: 2019-07-11)

    Hydrogen is one of the most promising solutions for the energy future, since its combustion only produces water vapour, so it does not pollute. In addition, it can be obtained from abundant and renewable substances. Fuel ...

    Nanofiltration and hybrid sorption : ultrafiltration processes for improving water quality 

    Pagès i Hernando, Neus (Data de defensa: 2016-09-15)

    Reliable access to freshwater is one of the fundamental pillars for our society. Freshwater scarcity has become a major concern in many arid and sem i-arid countries worldwide to s uch an extent that water s upply for ...

    Nanomaterials for controlling bacterial pathogens and resistance occurrence 

    Ivanova, Aleksandra Asenova (Data de defensa: 2022-03-11)

    lnfectious diseases are the leading cause of death worldwide while the constantly raising antimicrobial resistance (AMR) is a major concern for the public health. During the infection establishment bacteria! pathogens ...

    Nanostructured coatings for controlling bacterial biofilms and antibiotic resistance 

    Ivanova, Kristina Dimitrova (Data de defensa: 2017-01-27)

    The accelerated emergence of drug resistant bacteria is one of the most serious problems in healthcare and the difficulties in finding new antibiotics make it even more challenging. To overcome the action of antibiotics ...

    New trends for conducting hazard & operability (HAZOP) studies in continuous chemical processes 

    Dunjó Denti, Jordi (Data de defensa: 2010-02-18)

    Identifying hazards is fundamental for ensuring the safe design and operation of a system in process plants and other facilities. Several techniques are available to identify hazardous situations, all of which require their ...

    Nutrient recovery from waste water treatment plant by sorption processes : technical and economic analysis 

    You Chen, Xialei (Data de defensa: 2018-11-29)

    In the last years has been performed a huge number of research related to nutrients (mainly N and P) recovery from waste water in order to promote their reuse and also to avoid eutrophication. Recovering nutrient from waste ...

    Obtaining micro- and nanotextured functional surfaces on thermoplastics via injection moulding techniques using laser textured metallic inserts and NIL (nano-imprint lithography) -textured polymeric films 

    Sáez Comet, Carlos (Data de defensa: 2023-10-06)

    (English) Surfaces with special functionalities owed to their surface topographies or textures are present all around us in nature. Millions of living organisms around us profit from those special functionalities thanks ...

    Optimization strategies for efficient dosage of H2O2 in Fenton and photo-Fenton processes 

    Yu, Xiangwei (Data de defensa: 2021-07-07)

    This Thesis work addresses the challenge of designing hydrogen peroxide (H2O2) dosage Strategies for improving Fenton and photo-Fenton applications. The determination of the H2O2 dosage scheme that minimizes hydrogen ...

    Partial oxidation of methane into syngas at low temperature 

    Fazlikeshteli, Shiva (Data de defensa: 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 ...

    Polyesters containing cyclic carbohydrate-based units obtained by ring opening polymerization 

    Morales Huerta, Juan Carlos (Data de defensa: 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. ...

    Polymer-zirconia based ceramic composites produced by 3D-printing 

    Hodásová, L'udmila (Data de defensa: 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, ...

    Polymers and peptide-polymer conjugates as bioactive platforms and carriers for the encapsulation of biomolecules 

    Maione, Silvana (Data de defensa: 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 ...

    Posttranslational modifications of human M3 muscarinic acetylcholine receptor: zooming in its functional implications 

    Romero Fernández, Wilber (Data de defensa: 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 ...

    Preparation and characterisation of bimetallic catalysts for the steam reforming of methane 

    Braga, Andrea (Data de defensa: 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 ...

    Proactive management of uncertainty to improve scheduling robustness in proces industries 

    Bonfill Teixidor, Anna (Data de defensa: 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 ...

    Processos físico-químics i biològics en el tractament d'aigües àcides de mina: Aplicació a barreres permeables reactives 

    Gibert Agulló, Oriol (Data de defensa: 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), ...

    Processos que afecten la mobilitat de l'urani en entorns hiperalcalins oxidants i sediments contaminats 

    Meca Fàbrega, Alejandra (Data de defensa: 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 ...

    Producción de hidrógeno a partir de amoniaco en reactores de paredes catalíticas 

    Lucentini, Ilaria (Data de defensa: 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 ...

    Producción de hidrógeno a partir del reformado con vapor de dimetil éter utilizando monolitos catalíticos 

    Ledesma Rodríguez, Cristian (Data de defensa: 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 ...