Now showing items 14344-14363 of 41711

    Environmental and economic assessment of carbon mineralization for biogas upgrading 

    Starr, Katherine (Date of defense: 2013-11-22)

    Durante los últimos años, la investigación y el desarrollo de tecnologías para la reducción de las emisiones de gases de efecto invernadero (GEI) en nuestro planeta ha incrementado. Varias soluciones se han propuesto, ...

    Environmental and economic integrated assessment of local energy crops production in southern Europe 

    Martínez Gasol, Carles (Date of defense: 2009-07-13)

    Aquesta tesis analitza l'impacte ambiental i econòmic de tres cultius energètics (Brassica carinata, Brassica napus and Populus spp.) destinats a la producció d'energia tèrmica, elèctrica i per biodiesel.<br/>Durant la ...

    Environmental and management factors determining regeneration responses in European temperate forests 

    Monfort Bague, Iris Pilar (Date of defense: 2024-01-24)

    L'objectiu d'aquesta tesi doctoral és entendre els factors relacionats amb la regeneració post-pertorbació. En aquesta tesi s’esudia l'establiment i el creixement d’individus en boscos mixtes d’avets in Europa Centra i en ...

    Environmental and occupational characterisation of coals and dust from coal mining 

    Trechera Ruiz, Pedro (Date of defense: 2022-01-13)

    The main objective of this PhD thesis is the study of coal mine dust patterns produced by different types of mining operations and different types of coal. In addition, the potential links between oxidative potential (OP) ...

    Environmental and socio-economical assessment of measures for the reduction of pharmaceuticals in rivers 

    Gimeno Melià, Vicent Pau (Date of defense: 2019-01-21)

    Pharmaceuticals are ubiquitous water contaminants that have shown detrimental effects on aquatic organisms at low concentrations. National authorities are starting to plan and implement measures (Wastewater treatment plants ...

    Environmental applications of engineered nanomaterials: synthesis and characterization 

    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) ...

    Environmental assessment of Catalan fruit production focused on carbon and water footprint 

    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 ...

    Environmental assessment of water supply: cities and vertical farming buildings 

    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 ...

    Environmental benefits of using biochar as an amendment in pineapple cultivation in Costa Rica: soil physicochemical and biological effects and interaction with agrochemicals 

    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 ...

    The environmental change in coastal ecosystems during the Late Holocene as recorded in seagrass sedimentary archives 

    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, ...

    Environmental contamination and infant development in a Bolivian mining city 

    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 ...

    Environmental cues controlling the pathogenicity of "Ralstonia solanacearum" on plants / Señales ambientales que determinan la patogenicidad de "Ralstonia solanacearum" en plantas 

    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 ...

    Environmental damage estimations in industrial process chains 

    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 ...

    "Environmental Diagnosis of Process Plants by Life Cycle Techniques" 

    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 ...

    Environmental effects during gonadal development in fish: role of epigenetics 

    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 ...

    Environmental Evaluation for the Development of Photovoltaic Devices Based on Halide Perovskite through Life Cycle Assessment 

    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 ...

    Environmental evaluation of the cork sector in Southern Europe (Catalonia) 

    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. ...

    Environmental factors and brain tumour risk in young people 

    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 ...

    Environmental governance and languages of valuation: two European case studies 

    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 ...

    Environmental governance and new ICTs : the impact of new information and communication technologies on global environmental governance 

    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 ...