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Aprovechamiento de residuos agro-industriales : preparación de extractos, caracterización y uso en alimentos
(Universitat Politècnica de Catalunya, 2015-12-01)
Tesi.
Accés obert
Tesi.
Accés obert
Vegetables and fruits are foods that have large number of compounds beneficial to health, as well as being essential in the diet. Its components include the phenolic substances. These compounds have a great antiradical ...
Polymer-zirconia based ceramic composites produced by 3D-printing
(Universitat Politècnica de Catalunya, 2022-11-09)
Tesi.
Accés obert
Tesi.
Accés obert
(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, ...
Contribució a l'estudi de l'efecte del canvi d'escala en l'experimentació en incendis forestals
(Universitat Politècnica de Catalunya, 2010-05-20)
Tesi.
Accés obert
Tesi.
Accés obert
Any rere any milions d'hectàrees són destruïdes pels incendis forestals, no només a Europa sinó arreu del món, tan sols cal recordar els dramàtics episodis viscuts a Califòrnia i Austràlia recentment. A banda de l'evident ...
Conformational properties of constrained proline analogues and their application in nanobiology
(Universitat Politècnica de Catalunya, 2009-03-26)
Tesi.
Accés obert
Tesi.
Accés obert
This thesis is composed of two parts:<br/><br/>We have used different computer simulation techniques to investigate the impact of different chemical modifications on the conformational preferences of proline and to examine ...
Study of nanocomposites prepared from polyamides and biodegradable polyesters and poly(ester amide)s
(Universitat Politècnica de Catalunya, 2012-01-23)
Tesi.
Accés obert
Tesi.
Accés obert
Polymer clay nanocomposites of polyamides and biodegradable polymers with three kinds of organomodified clays were prepared by different techniques (in situ polymerization, solution casting, and melt mixing). The polymers ...
Surface nano-structured materials to control bacterial contamination
(Universitat Politècnica de Catalunya, 2016-07-08)
Tesi.
Accés obert
Tesi.
Accés obert
The spread of bacteria and infections, initially associated with an increased number of hospital-acquired infections, has now extended into the community causing severe and difficult to treat diseases. Additionally, many ...
Complexation of Th(IV) and U(VI) by polyhydroxy and polyamino carboxylic acids
(Universitat Politècnica de Catalunya, 2014-05-05)
Tesi.
Accés obert
Tesi.
Accés obert
Els residus radioactius procedeixen de gairebé totes les activitats (indústria nuclear i no nuclear, investigació, activitats militars, aplicacions mèdiques) que impliquen la manipulació de materials radioactius. Existeix ...
Design and analysis of dual-curing systems
(Universitat Politècnica de Catalunya, 2018-09-17)
Tesi.
Accés obert
Tesi.
Accés obert
Dual-curing processing is a method to prepare thermoset materials through two polymerization reactions carried out
simultaneously or sequentially. In these processes, a firm understanding of reaction mechanisms enables ...
Antioxidant properties of extracts from selected plant materials (Caesalpinia spinosa, Perilla frutescens, Artemisia annua and Viola wittrockiana) in vitro and in model food systems
(Universitat Politècnica de Catalunya, 2014-11-07)
Tesi.
Accés obert
Tesi.
Accés obert
Phenolic compounds, ubiquitous in plants, are of considerable interest and are increasingly becoming a subject of intensive research due to their bioactive properties such as antioxidant, antimicrobial, anti-mutagenic, ...
Revestimientos a base de sílica e ácido fosfônico para proteção anticorrosiva da liga de alumínio AA2024-T3
(Universitat Politècnica de Catalunya, 2013-11-04)
Tesi.
Accés obert
Realitzat a/amb: Universidade Federal do Rio Grande do Sul
Tesi.
Accés obert
Realitzat a/amb: Universidade Federal do Rio Grande do Sul
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 ...