Now showing items 1-15 of 15
Fàbrega Alsina, Carles (Date of defense: 2020-12-17)
The granitic basement below the Triassic unconformity in the Guilleries and Roc de Frausa massifs (NE Iberia), presents widespread red stained facies characterized by plagioclase albitization, biotite chlhoritization, ...
Pineda Rüegg, Nicolau (Date of defense: 2004-11-15)
L'important increment de la capacitat de càlcul computacional que s'ha donat en els últims anys ha fet que els models numèrics meteorològics hagin pogut assolir resolucions de treball molt fines. Ara bé, aquest increment ...
Font Soldevila, Josep (Date of defense: 2006-03-24)
Aquest treball tracta dels diferents comportaments que ha tingut l'aigua subterrània a la vall Salada de Cardona i en el seu aiguabarreig amb el riu Cardener. Aquest riu, ha arribat a ser problemàtic per les seves conseqüències ...
Herms Canellas, Joan Ignasi (Date of defense: 2022-06-02)
This thesis has aimed to improve the hydrogeological knowledge of the Port del Comte Massif (PCM), a karstic aquifer system located in the south-eastern sector of the Pyrenees that plays a strategic role in the provision ...
Delgado Martínez, Aida Mercedes (Date of defense: 2024-02-09)
(English) The municipality of El Tambo is in the department of Nariño, Colombia, it is an integral part of the Andes Mountain Range, it belongs to the two most important geographical features of this in Colombia, “El Nudo ...
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) ...
Basas i Jaumandreu, Josep (Date of defense: 2015-10-29)
This thesis firstly describes the chemical composition of the lipid fraction corresponding to the aerial parts, especially leaves of 22 plants, 16 of which are angiosperms, 3 gymnosperms, 1 fern, 1 moss and 1 alga. In these ...
Jiménez Franco, Ma. Abigail (Date of defense: 2017-10-05)
The Santa Fe mining district is located in the Central Andean tin belt and contains several Sn-Zn-Pb-Ag deposits. From the economic point of view, the most important deposits of the district are Japo, Santa Fe and Morococala. ...
Gorchs i Altarriba, Roser (Date of defense: 2006-07-21)
L'objectiu de la tesi és l'estudi geoquímic orgànic en carbons rics en sofre i de rang variat. Aquest fet permet reconèixer diversos compostos orgànics nous i també millorar la comprensió significativa d'alguns biomarcadors. ...
Ribas Fargas, David (Date of defense: 2017-03-14)
Freshwater is a scarce resource, threatened by an ongoing pollution, global climate change and industrialization. Among other freshwater sources, groundwater is by far the most important source of usable freshwater but due ...
Hamid, Sarbast Ahmad (Date of defense: 2019-12-18)
With the general trend across all commodities towards the treatment of lower grade and medium grade ores, it is becoming increasingly important to develop the proper design for comprehensive mineralogical characterization ...
Zhang, Haoran (Date of defense: 2015-12-21)
Gas problems have created severe difficulties for the mining industry around the world, leading to high expenditures and intensity research efforts, and determined attempts to enhance the various ventilation optimization ...
Restrepo Martínez, Catalina (Date of defense: 2012-04-24)
En el presente trabajo se hace una recopilación histórica de la mineralogía catalana desde el siglo XVI hasta principios del siglo XIX, a través de las diferentes instituciones que han fomentado la investigación y la ...
Rodríguez González, Sergio (Date of defense: 2002-12-03)
This study is focused on the identification of the sources and processes affecting levels and composition of PM10 and PM2.5 from air quality monitoring networks in Eastern Spain. This is a multidisciplinary study. Time ...
Massagué Obradors, Jordi (Date of defense: 2024-10-29)
(English) Tropospheric ozone (O3) is a secondary gaseous photochemical pollutant with adverse effects on health, ecosystems, and materials, and it contributes to the greenhouse effect. 94% of the urban population in Europe ...