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Browsing Universitat de Girona by Title

Now showing items 1635-1654 of 1752

    The environmental management systems as a tool for integrating the principles of the circular economy within manufacturing firms 

    Barón Dorado, Alexandra (Date of defense: 2023-04-11)

    This thesis analyses the contribution of Environmental Management Systems (EMS)'s in adopting Circular Economy (CE) principles in manufacturing companies. It explores different aspects such as the reporting and communication ...

    The invasion of the Argentine ant Linepithema humile in Mediterranean ecosystems: impacts and efficacy of winter aggregations extirpation as a control methods 

    Enríquez Lenis, Martha Lucía (Date of defense: 2012-12-20)

    We studied the characteristics and effects of the Argentine ant invasion on the native ants and other arthropods. Moreover, we assessed the effects of L. humile winter nest aggregations extirpation on its population dynamics. ...

    The legal protection of forests in international environmental law, shortcomings and comparative analysis. 

    Mugadza, Alois Aldridge (Date of defense: 2021-03-12)

    The thesis will investigate how the existing international environmental law relates to forest protection and what are the issues that have hampered the making of an important instrument for forest protection since forests’ ...

    The perceived value, satisfaction and loyalty of the demand for cultural heritage destinations 

    Moreno Manzo, Jessenia (Date of defense: 2023-09-20)

    This doctoral thesis focuses on the studies of tourist destinations with heritage characteristics to investigate the perspectives of the perceived value of the tourist demand and to explore the direct relationships that ...

    The relevance of hydrogen sulfide (H2S) in obesity and adipose tissue physiology 

    Comas Vila, Ferran (Date of defense: 2021-05-14)

    Hydrogen sulfide (H2S), regarded as the third gasotransmitter, plays diverse physiological and pathological roles in the body along with another two gasotransmitters, including nitric oxide (NO) and carbon monoxide (CO). ...

    The role of fungi and bacteria on the organic matter decomposition process in streams: interaction and relevance in biofilms 

    Artigas Alejo, Joan (Date of defense: 2008-12-19)

    L'objectiu d'aquest estudi és el d'investigar sobre l'ús de matèria orgànica per part dels fongs i bacteris que colonitzen diferents substrats bentònics en rius Mediterranis i analitzar l'efecte dels factors ambientals i ...

    The socio-cognitive dimension of water: the case of politicisation of water in Barcelona 

    Popartan, Lucia Alexandra (Date of defense: 2020-10-08)

    The thesis studies the discursive construction of cognitive frames in the water sector in order to understand the dynamics of politicisation and depoliticisation in the water conflict in Barcelona between 2011 and ...

    The syntax of wh-movement in multiple (true and echo) questions. A Q-particle approach 

    Chernova, Ekaterina (Date of defense: 2015-03-06)

    This dissertation studies typological distinctions among wh-fronting languages with respect to syntax of multiple questions. The main goal of this study is twofold: to provide a unified syntactic account of different ...

    The use of pulse amplitude modulated fluorescence techniques for metal toxicity assessment in fluvial biofilms 

    Corcoll i Cornet, Natàlia (Date of defense: 2012-02-20)

    Metal pollution in rivers is in great concern with human activities in the fluvial watershed. This thesis aims to investigate the potential use of chl-a fluorescence parameters as biomarkers of metal toxicity, and to find ...

    Theoretical studies of systems of biochemical interest containing Fe and Cu transition metals 

    Güell Serra, Mireia (Date of defense: 2009-07-30)

    La presència de la química teòrica i computacional està augmentant en quasi tots els camps de la recerca en química. Els càlculs teòrics poden ajudar a entendre millor l'estructura, les propietats i la reactivitat de ...

    Theoretical studies of the exohedral reactivity of fullerene compounds 

    Osuna Oliveras, Sílvia (Date of defense: 2010-03-26)

    Des del descobriment del buckminster ful.lerè el 1985, s'ha despertat un interés enorme per entendre la reactivitat química així com les propietats d'aquests compostos. La funcionalització exoèdrica del ful.lerè més abundant, ...

    Theoretical study of catalytic reactions of carbenes: haptotropic rearrangements and the Dötz reaction 

    Jiménez Halla, José Óscar Carlos (Date of defense: 2009-10-16)

    En aquesta tesi s'han estudiat mecanismes de reaccions de cicloanulació en carbens de Fischer a través de mètodes teòrics, concretament fent servir el nivell de teoria B3LYP/(Wachters' basis / 6-31G**). Els alcoxi- i amino ...

    Theoretical study of reactivity and dynamics of hybride-bridged diruthenium complexes and silylium 

    Tussupbayev, Samat (Date of defense: 2009-02-26)

    Esta tesis presenta un estudio computacional de los sistemas con hidruros puente. En la primera parte se estudia la química de complejos de dirutenio con cuatro hidruros puente. Esto incluye las siguientes reacciones: el ...

    Theoretical study of water oxidation and reduction mechanisms by aminopyridine first row transition metal catalysts 

    Acuña-Parés, Ferran (Date of defense: 2016-07-20)

    One of the major current scientific goals is the development of renewable energy sources. An effective alternative to fossil fuels consists in the conversion of the sunlight energy into chemical fuels. The molecular hydrogen ...

    Therapeutic potential of pituitary adenylate cyclase-activating polypeptide and epigallocatechin gallate in motor and cognitive deficits of Huntington's disease models 

    Cabezas Llobet, Núria (Date of defense: 2019-02-28)

    Huntington's disease (MH) is a progressive neurodegenerative disorder characterized by a motor dysfunction, cognitive impairment, and psychiatric symptoms. At neuropathological level, it has been described that cognitive ...

    Three bibliometric analysis articles on the application of compositional analysis theory (CoDa) in the social science 

    Navarro-López, Carolina (Date of defense: 2022-11-14)

    Compositional data analysis is a recently applied methodology with great potential for expansion in multiple scientific disciplines.This doctoral thesis aims to help the dissemination and transfer of knowledge about the ...

    Three essays on hard skills, soft skills, risk attitudes and entrepreneurship 

    Correa Pinzón, John Enrique (Date of defense: 2022-11-18)

    This thesis studies the effects of hard skills and soft skills and risk attitudes on the likelihood of starting a company in the US. Hard skills are those skills that can be learned and trained. They are cognitive in nature. ...

    Three essays on housing economics: the impact of COVID-19 on short-, medium- and long-term rental housing 

    Llaneza Hesse, Catalina (Date of defense: 2023-12-19)

    This dissertation evaluates the pandemic's impact on three coexisting urban rental markets: traditional long-term rentals (LTR), short-term rentals (STR) primarily catering to tourists, and seasonal month-by-month rentals ...

    Time misalignments in fault detection and diagnosis 

    Llanos Rodríguez, David Alejandro (Date of defense: 2008-10-17)

    El desalineamiento temporal es la incorrespondencia de dos señales debido a una distorsión en el eje temporal. La Detección y Diagnóstico de Fallas (Fault Detection and Diagnosis-FDD) permite la detección, el diagnóstico ...

    Tools for 3D point cloud registration 

    Roure Garcia, Ferran (Date of defense: 2017-03-08)

    In this thesis, we did an in-depth review of the state of the art of 3D registration, evaluating the most popular methods. Given the lack of standardization in the literature, we also proposed a nomenclature and a ...