Now showing items 14355-14374 of 41729
Ahmad Abo Markeb, Ahmad Mohamed (Date of defense: 2017-09-08)
Aquesta tesi es basa en el desenvolupament (síntesi) de diferents nanomaterials per a la seva aplicació com a materials adsorbents per a l'eliminació de contaminants en aigua (anions inorgànics, metalls pesats i pesticides) ...
Vinyes i Guix, Elisabet (Date of defense: 2016-07-08)
Durant l'última dècada, el sector agrícola ha passat de les pràctiques tradicionals a mètodes més intensius per tal d'augmentar la seva productivitat, com a resposta a la creixent demanda d'una població creixent. En ...
Sanjuan Delmás, David (Date of defense: 2017-07-10)
S'espera que la sostenibilitat de les xarxes de subministrament d'aigua sigui un tema important en un futur pròxim a causa de la falta d'accés a l'aigua en àrees específiques, al creixement de les ciutats i a la renovació ...
Chin Pampillo, Juan Salvador (Date of defense: 2020-07-15)
La producció de pinya tropical és una activitat econòmica important a Costa Rica, l’àrea de cultiu de la qual ha augmentat significativament en les dues darreres dècades, i amb una significativa generació de residus ...
Leiva Dueñas, Carmen (Date of defense: 2021-03-05)
Coastal ecosystems, especially the vegetated areas, are among the most threatened ecosystems in the world, undergoing a fast and constant decline. Their losses are of serious concern due to their elevated production, ...
Ruiz Castell, María de la Concepción (Date of defense: 2012-09-05)
Background: Oruro is a mining city in the Bolivian highlands. Most of its citizens are exposed to polymetalic cocktails. This study aims to determine whether the neuropsychological development of one year-old children can ...
Oliveira Monteiro, Freddy Miguel de (Date of defense: 2013-06-28)
Ralstonia solanacearum is a soil-borne beta-proteobacterium that causes wilting disease on a wide range of plants with economic importance like tomato, potato, pepper, eggplant and banana. Each year, bacterial wilt pose ...
Sonnemann, Guido Willi (Date of defense: 2002-04-19)
Les estimacions de danys ambientals en cadenes de processos necessiten l'avaluació d'impactes ambientals en dues perspectives: orientades cap a cadenes de processos i orientades localment. Per a ambdues perspectives s'han ...
Yrigoyen González, Haydée Andrea (Date of defense: 2006-04-27)
Environmental Diagnosis of Process Plants by Life Cycle Techniques<br/>Haydée A. Yrigoyen González<br/>El objetivo de la investigación es desarrollar una herramienta que relacione aspectos de<br/>simulación, evaluación ...
Valdivieso Muñoz, Alejandro (Date of defense: 2020-03-05)
In many organisms, sex is determined by a combination of genetic and environmental influences. Epigenetic regulatory mechanisms such as DNA methylation integrate both types of influences. However, understanding how genetic ...
Alberola Borràs, Jaume Adrià (Date of defense: 2021-12-16)
An increasing concentration of greenhouse gases makes necessary changing the energy model to one in which photovoltaics play an important role. This thesis aims to assist the development of a novel photovoltaic technology ...
Rives Boschmonart, Jesús (Date of defense: 2011-09-14)
El suro és un material natural, renovable i típicament Mediterrani, ja que la majoria de l’extracció de suro i, per tant, dels boscos d’alzina surera, se situa en aquesta àrea, i molt especialment a la península Ibèrica. ...
Zumel Marne, María Ángela (Date of defense: 2019-12-10)
Risk factors and diagnosis in young people have been little explored, despite brain tumours (BT) is one of the most frequent tumour type in children and adolescents. The purpose of this doctoral thesis is to study 1) the ...
Zografos, Christos (Date of defense: 2008-12-01)
El análisis de políticas ambientales mediante el uso de homo economicus ha sido criticado por no tomar en cuenta la multiplicidad de valores ambientales y bases éticas en las cuales se basa la motivación humana. Esta ...
Duberry, Jérôme (Date of defense: 2015-06-10)
The doctoral dissertation deals with the impact of the use of new information and communication technologies (ICTs) on global environmental governance. The objective of the research is to analyze the influence of these ...
Agüera Cabo, Mercè (Date of defense: 2011-07-08)
In the second half of the twentieth century we saw the environmental debate escalate into one of the most challenging and complex issues that authorities at international, national, regional and municipal levels have to ...
Montemayor, Erica Yvonne (Date of defense: 2022-11-24)
(English) Agriculture not only contributes to more than a quarter of all global greenhouse gas emissions but is also the number one anthropogenic source of nitrogen emissions and a danger to nearly half of threatened ...
Avella García, Claudia B. (Date of defense: 2016-07-28)
The main aims of this thesis can be divided into three focuses. First: to review the literature on the effect of the intake of seafood during early life on neurodevelopment. Secondly: to evaluate the impact of maternal ...
Domínguez Morueco, Noelia (Date of defense: 2018-02-02)
En aquesta tesi s’ha avaluat la contaminació atmosfèrica com a conseqüència de la presència de contaminants orgànics semivolàtils (SVOCs) al camp de Tarragona. Aquesta àrea conté un dels complexes químics/petroquímics més ...
Amores Barrero, María José (Date of defense: 2013-04-29)
The irrigated world area has been increased dramatically from the mid of 20th century. Freshwater use and its consumption have emerged as areas of high environmental concern. Although agricultural lands represent only 12% ...