Now showing items 101-120 of 146

    Interacció Pseudomonas syringae pv. syringae-perera. Factors determinants i activitat de diversos fosfonats en el desenvolupament de la malaltia 

    Moragrega i Garcia, Concepció (Date of defense: 1997-10-24)

    Blast of pear caused by Pseudomonas syringae pv. syringae is one of the bacterial disease that limit pear production throughout the world. Symptoms are characterized by blast of buds and blossoms wich causes significant ...

    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 ...

    Preparación y evaluación de formulaciones acrílicas autocurables de baja toxicidad modificadas con polímeros biodegradables para cirugía ortopédica y mínimamente invasiva 

    Franco Marquès, Elena (Date of defense: 2012-07-20)

    In the present work, a study of the preparation of new formulations of acrylic bone cements (ABC) has been carried, to obtain materials with capacity for controlled drug delivery of medicaments useful in the therapeutic ...

    Applications of computed tomography in dry-cured meat products 

    Santos Garcés, Eva (Date of defense: 2012-06-29)

    Computed Tomography and Microcomputed Tomography are X-ray based technologies. They were tested in this thesis as potential tools for the optimization of the processing of dry-cured meat products. On one hand, several ...

    Integrated management of urban wastewater systems: a model-based approach 

    Prat Busquets, Pau (Date of defense: 2012-02-26)

    The main objective pursued in this thesis targets the development and systematization of a methodology that allows addressing management problems in the dynamic operation of Urban Wastewater Systems. The proposed methodology ...

    Development of a decision support system for the integrated control of membrane bioreactors 

    Monclús Sales, Hèctor (Date of defense: 2011-11-08)

    The work presented in this PhD thesis includes various partial studies aimed at developing a decision support system for membrane bioreactor integrated control. The decision support systems (DSS) have as a main goal to ...

    Treatment of mature urban landfill leachates by anammox process 

    Ruscalleda Beylier, Maël (Date of defense: 2012-02-17)

    This thesis results from the collaborative projects between the LEQUIA-UdG group and Cespa (a company in charge of several landfill sites in Spain). The aim of the work was the development of a suitable alternative treatment ...

    Procesos secuenciales de adsorción/oxidación con H2O2 para la eliminación de compuestos orgánicos volátiles 

    Anfruns Bagaria, Alba (Date of defense: 2011-11-25)

    Volatile Organic Compounds (VOCs) are one of the main groups of odour causing compounds in Waste Water Treatment Plants (WWTP). Adsorption technology is already established, in recent years the interest for the optimization ...

    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 ...

    Knowledge-based modelling and simulation of operational problems of microbiological origin in wastewater treatment plants 

    Dalmau Solé, Jordi (Date of defense: 2009-11-13)

    The activated sludge and anaerobic digestion processes have been modelled in widely accepted models. Nevertheless, these models still have limitations when describing operational problems of microbiological origin. The aim ...

    Development of an air-scour control system for membrane bioreactors 

    Ferrero, Giuliana (Date of defense: 2011-07-01)

    The thesis involves the development and implementation of a new and robust control system based on permeability trends but at the same time capable of reducing aeration proportionally to permeate flux. Permeability was ...

    Modificacions en la dinàmica de processat i en les característiques finals de productes carnis amb contingut reduït de sodi 

    Costa Corredor, Anna (Date of defense: 2010-10-01)

    In recent years, several studies have linked sodium intake to hypertension, and the consequent mortality risk due to vascular diseases. Several UE member states and the WHO recommend reducing the salt intake level to a ...

    Biological nutrient removal in SBR technology: from floccular to granular sludge 

    Coma Bech, Marta (Date of defense: 2011-05-11)

    Biological nutrient removal has been studied and applied for decades in order to remove nitrogen and phosphorus from wastewater. However, more anthropogenic uses and the continued demand for water have forced the facilities ...

    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 ...

    Partial nitritation of landfill leachate in a SBR prior to an anammox reactor : operation and modelling 

    Ganigué Pagès, Ramon (Date of defense: 2010-02-19)

    Els lixiviats d'abocadors urbans són aigües residuals altament contaminades, que es caracteritzen per les elevades concentracions d'amoni i el baix contingut de matèria orgànica biodegradable. El tractament dels lixiviats ...

    Allocation of GHG emissions in a paper mill, an application tool to reduce emissions 

    Aldrich Tomàs, Remei (Date of defense: 2009-04-30)

    El sector de pasta i paper és considerat un dels set sectors industrials més intensius en consum energètic. La producció i consum d'electricitat i de vapor esdevenen les fonts majoritàries d'emissions de gasos d'efecte ...

    Valorisation of industrial wastes for the removal of metals and arsenic from aqueous effluents 

    Escudero Oñate, Carlos (Date of defense: 2009-03-27)

    En la presente tesis se han realizado estudios de eliminación de metales pesados y arsénico de aguas contaminadas mediante procesos de adsorción sobre materiales de bajo coste. Dichos materiales son, en todos los casos, ...

    Procés de destintatge del paper per flotació. Avaluació de l'eficàcia de l'eliminació de tinta 

    Pèlach Serra, Maria Àngels (Date of defense: 1998-02-13)

    La tesi doctoral presentada té com a objectius principals l'estudi de les etapes fonamentals de desintegració i flotació en un procés de destintatge de papers vell de qualitats elevades per a poder millorar l'eficàcia ...

    Desenvolupament d'un sistema de previsió de risc d'infecció per Stemphylium vesicarium. Avaluació, validació i implementació en parcel·les experimentals en camps comercials de perera 

    Llorente i Cabratosa, Isidre (Date of defense: 1997-10-24)

    L'estemfiliosi de la perera és una malaltia fúngica ocasionada pel fong Deuteromicet Stemphylium vesicarium. Els símptomes característics d'aquesta malaltia són lesions necròtiques en fulles i fruits, provocant el depreciament ...

    Conceptual design of wastewater treatment plants using multiple objectives 

    Flores Alsina, Xavier (Date of defense: 2008-04-28)

    La implementació de la Directiva Europea 91/271/CEE referent a tractament d'aigües residuals urbanes va promoure la construcció de noves instal·lacions al mateix temps que la introducció de noves tecnologies per tractar ...