Now showing items 53-72 of 124

    Effects of breed and PRKAG3 and CAST genetic polymorphisms on the quality of serrano dry-cured ham 

    Zhen, Zongyuan (Date of defense: 2012-07-30)

    Two pieces of complementary research dealing with the study of the importance of genetic factors on the quality of the Spanish dry-cured ham Jamón Serrano were carried out for this thesis. The first one compared Serrano ...

    Effects of operational conditions on the performance of a partial nitritation SBR treating high nitrogen loads 

    Gabarró i Bartual, Jordi (Date of defense: 2014-07-18)

    The biological treatment of industrial wastewater containing high nitrogen concentrations (>1000 mg N L-1) and low biodegradable organic matter (bCOD) such as landfill leachate is nowadays challenging. Conventional ...

    Electrochemical control and minimization of hydrogen sulfide formation in anaerobic systems 

    Sergienko, Natalia (Date of defense: 2021-10-13)

    Formation of hydrogen sulfide represents a major challenge in the operation of wastewater collection systems. Hydrogen sulfide is malodourous and toxic gas, which causes corrosion of pipes, wells, and constructions, hence ...

    Eliminació d'ions metàl·lics d'aigües residuals d'una indústria de recobriment de superfícies mitjançant residus vegetals 

    Pujol Oriola, David (Date of defense: 2015-04-09)

    Els ions metàl·lics són contaminants no biodegradables que es poden trobar a les aigües i que poden acumular-se en els organismes vius, causant diverses malalties i trastorns. Un dels metalls més contaminant i àmpliament ...

    Emissions de N2O i desnitrificació en sòls agrícoles i d'ecosistemes naturals. Factors de regulació 

    Saguer Hom, Elena (Date of defense: 1997-10-22)

    La major conscienciació actual dels problemes de pol·lució que acompanyen les pèrdues de N del sòl cap a l'atmosfera ha reorientat les investigacions cap a un coneixement més profund dels processos implicats en les emissions ...

    Endo-β-1,4-glucanasa para la fabricación de micro/nanocelulosa: propiedades y aplicaciones 

    Tarrés Farrés, Joaquim Agustí (Date of defense: 2017-07-10)

    In the recent years, significant interest on the production, characterization and application of cellulose nanofibers has brought out among scientific and technic authorities. This special attention mainly comes from their ...

    Environmental and socio-economical assessment of measures for the reduction of pharmaceuticals in rivers 

    Gimeno Melià, Vicent Pau (Date of defense: 2019-01-21)

    Pharmaceuticals are ubiquitous water contaminants that have shown detrimental effects on aquatic organisms at low concentrations. National authorities are starting to plan and implement measures (Wastewater treatment plants ...

    Estratègies prèvies al sacrifici que poden afectar el benestar animal i la qualitat de la carn de porcs de diferent genotip RYRI 

    Panella-Riera, Núria (Date of defense: 2011-07-27)

    The main objective of this thesis was to study (i) the effect of the fasting and lairage on carcass and technological meat quality and (ii) the inclusion of magnesium (MgCO3 and MgSO4) and/or tryptophan during 5 days before ...

    Estudi de l'efecte de l'administració de tilosina i doxicilina en els principals paràmetres nutricionals i de composició de l'ou de gallina 

    Roldós Noguer, Eva (Date of defense: 2015-12-16)

    The aim of the present work was to study the effects of tylosin A and doxycycline administration to laying hens on egg nutritional and compositional parameters during antibiotic treatment and after a withdrawal period. ...

    Estudi del comportament de sistemes biològics de depuració d'aigües residuals mitjançant models mecanístics, optimitzant la informació disponible de les dades obtingudes en línia 

    Colprim Galceran, Jesús (Date of defense: 1998-07-20)

    The use of simulation as an upgrading tool has been tested on real wastewater treatment plants (WWTP). Currently, the new WWTP have the possibility to monitor some process variables as the flows, oxygen concentrations and, ...

    Estudi fonamental i aplicat de l'etapa d'eliminació de tinta per flotació 

    Presta Masó, Susanna (Date of defense: 2006-07-14)

    La tesi realitza un estudi detallat dels principals processos que tenen lloc durant l'eliminació de tinta tòner per flotació.<br/>L'estudi del procés d'adhesió de tinta a la superfície de bombolles d'aire s'ha realitzat ...

    Estudio de la aplicación de sistemas basados en el conocimiento a la operación de una planta de tratamiento de residuos sólidos urbanos por valorización energética 

    Llauró Fábregas, Xavier (Date of defense: 1999-12-17)

    Una de las actuaciones posibles para la gestión de los residuos sólidos urbanos es la valorización energética, es decir la incineración con recuperación de energía. Sin embargo es muy importante controlar adecuadamente el ...

    Estudio de las comunidades microbianas de embutidos fermentados ligeramente acidificados mediante técnicas moleculares. Estandarización, seguridad y mejora tecnológica. 

    Martín Juárez, Belén (Date of defense: 2005-04-22)

    Los embutidos fermentados ligeramente acidificados son un grupo de productos tradicionales mediterráneos, caracterizados por un pH superior a 5,3.<br/>Para un control eficiente de la seguridad microbiológica de los embutidos ...

    Evaluación de las propiedades de materiales compuestos fabricados a partir de fibras semiquímicas de Leucaena collinsii y polipropileno 

    Granda Garcia, Luis Angel (Date of defense: 2016-07-29)

    This thesis studies the effect produced by the reinforcement of polypropylene with a semichemical fibre of Leucaena collinsii in the mechanical, thermal and water uptake properties. Samples with different reinforcement ...

    Evaluación de las propiedades mecánicas y micromecánicas de los materiales compuestos de polipropileno reforzado con fibras residuales provenientes del reciclado de recortes en la industria textil 

    Serra Bruns, Albert (Date of defense: 2021-12-22)

    Every year, the textile industry generates large amounts of cellulosic waste during the production and fabrication stages. This waste is made up of fibers, with lengths are less than 10 mm that prevent its reintroduction ...

    Evaluación de los efectos no intencionados de los transgenes en plantas modificadas genéticamente (MG) resistentes a plagas y diseñadas como biofactorías de péptidos antimicrobianos 

    Montero Mirabet, Maria (Date of defense: 2012-06-22)

    Genetically modified crops are submitted to strict regulation to ensure the safety of consumers and the environment. To complement the comparison between GM plants and their counterparts, in the present Thesis, we evaluated ...

    Evaluation and comparison of advanced treatment technologies to enhance the removal of pharmaceutical active compounds from wwtp secondary effluent 

    Sbardella, Luca (Date of defense: 2019-05-22)

    The presence of several pharmaceutical active compounds (PhACs) in water bodies has garnered increasing attention and worldwide concern. The effluents from wastewater treatment plants (WWTPs) are one of the main sources ...

    Experimental basis for the control of plant diseases caused by Xylella fastidiosa using synthetic antimicrobial peptides 

    Baró Sabé, Aina (Date of defense: 2021-07-30)

    Xylella fastidiosa is one of the most damaging phytopathogenic bacteria in the world, causing a variety of diseases with a major economic impact on agriculture and the environment. Until now, no therapeutic solution has ...

    Fat and salt reduction and substitution in small-caliber non-acid fermented sausages 

    Mora Gallego, Héctor (Date of defense: 2014-09-08)

    The objective of this thesis is to develop fermented sausages with lower fat and sodium content by means of innovative processing and the use of fat and NaCl substitutes. The effect of sunflower oil and pork lard-based ...

    Feasibility of incorporating treated lignin and cellulose nanofiber in fiberboards made from corn stalk and rice straw 

    Theng, Dyna (Date of defense: 2017-07-28)

    Agricultural waste is of particularly interest due to abudant, cheap, widely available worldwide and renewable material. It represent a good option for wood sources substitution, containing similar in chemical and physical ...