Ara mostrant els elements 14-23 de 23
Luján Blanco, Itziar (Data de defensa: 2018-02-05)
During the last decades deep changes have taken place in the competitive environment, which have forced companies to focus on strategies that allow them to differentiate themselves from their competitors and gain consumer ...
Borràs, Antoni (Data de defensa: 2016-01-26)
The Citril finch has been considered for a long time as a species linked to forested high mountainous areas. It was considered as non-migratory and with short-range movements, just to avoid bad weather conditions. For a ...
Torras Melenchón, Núria (Data de defensa: 2017-11-16)
For years, we are in the middle of a crisis of scientific and technological vocations, which is found year after year in the number of students enrolled in science and technology studies. If that trend continues, there ...
Vives i Costa, Jordi (Data de defensa: 2019-07-15)
L’objectiu principal de la present Tesi Doctoral és verificar mitjançant tècniques de la Dinàmica de Fluids Computacional (CFD) la hipòtesi de que el Mòdul Hidromètric (MH) de la Sèquia de Manresa, construït durant el segle ...
Hamid, Sarbast Ahmad (Data de defensa: 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 (Data de defensa: 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 ...
Bascompta Massanés, Marc (Data de defensa: 2016-04-25)
Mine ventilation is a crucial factor for the sake of underground operations. Not only does it affect efficiency and effectiveness rates, but it also influence the health and safety of the employees. Despite it is a topic ...
Anticoi Sudzuki, Hernán (Data de defensa: 2019-12-18)
Comminution is the most energy consuming process in mining industry, where nearly 60 % of the electricity expenditure is due to grinding purposes. In the nature most of the ore minerals are found, finely disseminated and ...
Benzal Montes, Eva (Data de defensa: 2021-01-28)
In the current economical context, the use of waste material with economic potential should be a priority. In this sense, the increasing production of electrical and electronic equipment waste (WEEE) makes these materials ...
Morral Molto, Eloi (Data de defensa: 2021-12-03)
The growth in world population has led to a significant increase in the generation of wastes (solid, liquid and gaseous). Waste gas is probably the major issue in the case of waste treatment, due to the fact that once the ...