Ara mostrant els elements 213-232 de 1752

    Bioinspired ligands and model substrates for the mechanistic elucidation of oxygen activation and cross-coupling reactions mediated by first-row transition metals 

    Magallón Gubau, Carla (Data de defensa: 2022-05-16)

    Nowadays, one of the main goals in organic chemistry and fine industry is the development of new synthetic methodologies for the preparation of life-relevant products in a sustainable manner. The use of first-row ...

    Bioinspired metal-based oxidants: selectivity in catalytic hydroxylation of aliphatic C-H bonds and insight into the reactivity of oxoiron species 

    Dantignana, Valeria (Data de defensa: 2020-12-03)

    Selective oxidation of C-H bonds is an important reaction, as it can disclose novel synthetic strategies to get functionalized products through efficient paths. Nonetheless, due to the inert character of C-H bonds, the use ...

    Bioinspired non-heme iron catalysts for challenging oxidative transformations: mechanistic studies and catalytic applications on selective alkane hydroxylation and alkene cis-dihydroxilation 

    Prat Casellas, Irene (Data de defensa: 2013-06-14)

    The functionalization of hydrocarbons in a sustainable manner is one of the main challenges for chemists. Their abundance in nature as natural gas or crude oil makes them the most convenient chemical feedstock. The oxidation ...

    Biological control of quarantine bacterial plant diseases with Lactobacillus plantarum strains. Improvement of fitness and monitoring 

    Daranas Boadella, Núria (Data de defensa: 2018-11-29)

    The fruit production is threatened by several bacterial diseases, such as fire blight of apple and pear, bacterial canker of kiwifruit, bacterial spot of stone fruits, and angular leaf spot of strawberry. The conventional ...

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

    Coma Bech, Marta (Data de defensa: 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 ...

    Biomarcadors diagnòstics de disfunció miocàrdica associada a xoc sèptic: avaluació de la troponina T ultrasensible i de la hiperosmolalitat plasmàtica 

    Murcia Gubianas, Cristina (Data de defensa: 2022-07-14)

    La resposta inflamatòria d’un hoste pot ser excessiva o desregulada en relació a la intensitat o la durada d’una agressió. Quan aquesta resposta és secundària a una infecció es coneix com a sèpsia i pot acabar lesionant ...

    Biomarcadors pronòstics de ressonància magnètica en pacients amb glioblastoma de diagnòstic recent 

    Gimeno Cajal, Alfredo Eduardo (Data de defensa: 2022-04-22)

    Magnetic resonance imaging (MRI) is essential in the management of patients with glioblastoma, providing useful information for diagnosis, prognosis, and therapeutic planning. Although some presurgical and postsurgical ...

    Bioremediation of nitrate-polluted groundwater using bioelectrochemical systems 

    Pous Rodríguez, Narcís (Data de defensa: 2015-05-28)

    The presence of nitrates (NO3-) in groundwater is a worldwide concern. The high energy demand and environmental impact of available technologies requires investigating new technologies. This thesis was focused on investigating ...

    Blai Bonet en prosa. Veu, cos i memòria en la novel·la "El mar" 

    Lafuente Garcia, Meritxell (Data de defensa: 2019-10-25)

    Given that the poetry of Blai Bonet has been thoroughly examined, this study is focused on Blai Bonet as a novelist beginning with the analysis of his first novel, El mar (1958). The study is divided into three parts: “Blai ...

    Bond behavior of NSM FRP strips in concrete under sustained loading 

    Emara, Mohamed Reda Ali Elewa (Data de defensa: 2018-04-17)

    The main objective of work has been to study the bond strength and bond-slip response of NSM CFRP strips in concrete when subjected to sustained loading under different environmental conditions. To this end, two experimental ...

    Bond behaviour between CFRP and concrete for NSM systems under sustained loading 

    Gómez Colom, Javier (Data de defensa: 2022-01-14)

    The rehabilitation of civil structures has been gaining importance during the last decades. Owing to their mechanical, corrosion resistance and lightweight properties, Carbon Fibre-Reinforced Polymers (CFRP) present an ...

    Bond-slip and cracking behaviour of glass fibre reinforced polymer reinforced concrete tensile members 

    Vilanova Marco, Irene (Data de defensa: 2015-10-20)

    In this work, a methodology has been developed to implement the bond behaviour between concrete and GFRP bars in the numerical modelling. Based on experimental results and applying the inverse method, the bond law to be ...

    Branding regional destinations: an integrated stakeholders perspective 

    Piva, Elisa (Data de defensa: 2019-07-15)

    This doctoral thesis explores the brand development process of regional destinations in depth, focusing on the supply-side perspective and the concept of brand identity, as well as the perceptions of stakeholders involved ...

    Breast cancer epidemiology: mammographic screening and molecular subtypes 

    Puig Vives, Montserrat (Data de defensa: 2015-02-24)

    The aim of this thesis is to carry out an in-depth study of various aspects of breast cancer epidemiology. Firstly, we have confirmed that DCIS incidence in Girona has increased over recent decades. Proportions of ...

    Brown macroalgae (Phaeophyceae) as an alternative and sustainable source of novel antimicrobial compounds to improve food safety 

    Rubiño Campoy, Susana (Data de defensa: 2023-07-28)

    Macroalgae have been recognized as an interesting source of compounds with multiple applications in different fields due to their various bioactivities since current trends are moving towards the use of alternative compounds ...

    Bypass gástrico en el tratamiento de la obesidad mórbida. Seguimiento a 5 años de los primeros 300 casos en la provincia de Girona 

    Rodríguez Hermosa, José Ignacio (Data de defensa: 2018-12-10)

    A prospective study on 300 morbidly obese patients who underwent gastric bypass in the province of Girona with a follow-up of 5 years.More female (288/12), mean age 43.5 years, mean weight 118.7 kg, mean BMI 46.1 kg/m2. ...

    Cambios en la estructura del paisaje del Alt Empordà en el período 1957-2001 

    Romero Vargas, Marilyn (Data de defensa: 2005-03-10)

    El paisaje, concebido como una unidad espacial y temporalmente pluriescalar caracterizada por unos patrones de distribución - una estructura-, unas funciones y una red de flujos de materia, energía e información (Forman ...

    Cambios en la práctica formativa del profesorado a partir de una formación continua en la modalidad de educación a distancia 

    Fauth, Fernanda (Data de defensa: 2022-07-18)

    This doctoral thesis is the result of an educational research that stems from an interest in analysing the learning transfer process of an online technopedagogical teacher training offered by a higher education institution. ...

    Camilo Egas, el precursor del indigenismo y concitador de las vanguardias en Ecuador (1889-1962) 

    Paocarina Albuja, Fabián (Data de defensa: 2021-09-06)

    The thesis: "Camilo Egas, the precursor of indigenism and instigator of the avant-garde in Ecuador (1889-1962)", exposes a comprehensive study of the painter's author career in two dimensions of analysis: 1) the ...

    Caminant a les fosques. Estudi i traducció de l'obra apologètica Qéixet u-maguén de rabí Ximon ben Tsémah Duran 

    Frau, Manuel, 1965- (Data de defensa: 2012-05-30)

    New Hebrew edition, annotated Catalan translation, and introductory study of Keshet u-Magen, a comparative study of Jewish, Christian and Islamic theology written in the context of the literature of polemics. This research ...