Mostrando ítems 21-30 de 97
Cáliz Gelador, Joan (Fecha de defensa: 2011-12-13)
Pollution by toxic compounds is one of the most relevant environmental damages to ecosystems produced by human activity and, therefore, it must be considered in environmental protection and restoration ...
Mandarić, Ladislav (Fecha de defensa: 2018-10-24)
The main aim of this thesis was to establish a link between the urban origin of chemical contamination (e.g. PhACs) and other stressors, particularly associated to water scarcity (Chapter 1, 2, and 3). ...
Gimeno Melià, Vicent Pau (Fecha de defensa: 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 ...
Gionchetta, Giulia (Fecha de defensa: 2019-10-25)
Hydrological drought is a process of natural desiccation mainly due to large shortage of rainfall events. Reduced precipitations and prolonged droughts are spreading worldwide and threaten the integrity ...
Saavedra Bendito, Deli (Fecha de defensa: 2003-06-10)
Aquesta tesi es basa en el programa de reintroducció de la llúdriga eurasiàtica (Lutra lutra) a les conques dels rius Muga i Fluvià (Catalunya) durant la segona meitat dels 1990s. Els objectius de la ...
Aymerich Blazquez, Ignasi (Fecha de defensa: 2019-01-22)
For a long time, there has been a need and an ambition to better understand the behavior of integrated systems by considering the whole urban water cycle, including wastewater transportation, wastewater ...
Auguet Horta, Olga (Fecha de defensa: 2016-07-13)
Sewer systems transport wastewater from its source to treatment plants. During this transport, wastewater microorganisms colonize pipe walls and develop biofilms. The activity of microbial communities ...
Batlle Vilanova, Pau (Fecha de defensa: 2016-11-25)
In 2015 the average concentration of CO2 in the atmosphere exceeded 400 ppm. Some technologies, including CO2 capture and storage, are palliative. However, the development of alternatives to burning of ...
Xabadia i Palmada, Àngels (Fecha de defensa: 2003-06-06)
Dynamic optimization methods have become increasingly important over the last years in economics. Within the dynamic optimization techniques employed, optimal control has emerged as the most powerful ...
Badosa i Franch, Jordi (Fecha de defensa: 2005-09-27)
En les últimes dècades, l'increment dels nivells de radiació solar ultraviolada (UVR) que arriba a la Terra (principalment degut a la disminució d'ozó estratosfèric) juntament amb l'augment detectat en ...