Mostrando ítems 91-100 de 742
Gibert Sotelo, Elisabeth (Fecha de defensa: 2017-12-18)
This dissertation offers a contrastive analysis of the (here called) Source prefix des- and the negative prefix iN- in Spanish that highlights the connections and divergences existing between the encoding ...
Torner Bosch, Eva (Fecha de defensa: 2014-06-20)
This thesis is about challenges that currently concern in vitro production (IVP), sex determination procedures and sex-related survival of in vitro-produced porcine embryos. Specifically, the current ...
Tarragó Abella, Elena (Fecha de defensa: 2018-03-09)
Human population has had an impact on the natural phosphorus’ cycle, a limited resource, and the predictions show that this resource could be exhausted in 100-250 years. Therefore, the actions for the ...
Marguí Grabulosa, Eva (Fecha de defensa: 2006-05-19)
La investigació que es presenta en aquesta tesi es centra en l'aplicació i millora de metodologies analítiques existents i el desenvolupament de nous procediments que poden ser utilitzats per a l'estudi ...
Colon i Bosch, Mireia (Fecha de defensa: 2011-02-11)
In this thesis, simple methods to determine sulfide at low levels (µg L-1) in aqueous samples and sediments by water free hydrogen sulfide vapor generation using a commercially available vapor generation ...
Alarcón Galindo, Xavier (Fecha de defensa: 2022-03-25)
Over the last decade the number of unaccompanied immigrant youths and asylum seekers has increased worldwide. The arrival of minors from Northwestern Africa and asylum seekers, mainly from Latin America ...
Vidal Sánchez, Diego (Fecha de defensa: 2019-07-24)
The oxidation of hydrocarbons under soft and selective conditions is a reaction almost exclusively produced under these conditions by enzymes. A lot of these enzymes, posses iron in their metal center, ...
Barral Fraga, Laura (Fecha de defensa: 2017-10-26)
Based on the current knowledge about biofilm ecotoxicology and arsenic biogeochemistry in freshwater ecosystems, this thesis studied, under realistic environmental concentrations, i) the role of benthic ...
Haraburda, Ewelina (Fecha de defensa: 2015-07-28)
The development of new chemical processes for the formation of carbon-carbon bonds is an important topic in organic chemistry. In particular, the transition metal catalysed [2+2+2] cycloaddition reaction ...
Gabarrón Fernández, Sara (Fecha de defensa: 2014-05-16)
This thesis is based on diagnosing, assessing and optimising the design and operation of membrane bioreactors (MBR) used for treating municipal wastewater. Specifically, this thesis has been carried out ...