Now showing items 21-22 of 22

    Compostos orgànics volàtils i semivolàtils presents en aigua envasada : extracció i anàlisi mitjançant GC-MS 

    Guadayol Gallego, Marta (Date of defense: 2016-01-27)

    Organoleptic properties of water are the only means whereby a consumer can assess water quality and safety. Among these properties, taste and odour are the most important. The first part of this study displays the water ...

    Multiple simulation experimental studies of gas emission, distribution and migration rules in mine ventilation system and goaf area 

    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 ...