Search for dissertations about: "gold"

Showing result 11 - 15 of 749 swedish dissertations containing the word gold.

  2. 11. Characterization of Pathfinders and Indicators of Gold

    Author : Gabriel Kofi Nzulu; Martin Magnuson; Per Eklund; Hans Högberg; Farid Akhtar; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Pathfinder; Indicator; Gold; Hydrothermal; X-ray; Diffraction; Kubi; Ghana;

    Abstract : Research on natural minerals and their chemical bonding to economically critical raw materials is a viable industrially relevant research area due to its increasing demand. Meeting demands requires fast, robust, and efficient techniques to explore new ore deposits and continuous operation of active mines as well as recycling. READ MORE

  4. 12. Electrooxidation of glycerol and methanol on gold

    Author : Mikael Valter; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; van der Waals; electrochemistry; methanol; gold; glycerol; DFT;

    Abstract : Burning of fossil fuels leads to excess CO2 in the atmosphere, causing global warming, threatening civilisation and ecosystems worldwide. As a step in making the society fossil-independent, we need to replace oil, coal, and gas in the transportation sector with fuels originating from sustainable energy. READ MORE

  5. 13. "Gold is illusion" : the Garimpeiros of Tapajos Valley in the Brazilian Amazonia

    Author : Enrique Rodriguez Larreta; Michael Jackson; Stockholms universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Guldgrävning; sociala aspekter; Brasilien; Tapajós; Social Anthropology; socialantropologi;

    Abstract : This study analyses the formation of power relations and hierarchy among the gold diggers of the region of the Tapajos in the lower Amazonas. Following the route of immigrants who escape from social death in the Brazilian Northeast driven on by the dream of gold, this book analyses the daily life of a community of gold diggers. READ MORE

  6. 14. Fields of Gold : The Bioenergy Debate in International Organizations

    Author : Magdalena Kuchler; Björn-Ola Linnér; Johan Hedrén; Eva Friman; Linköpings universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; bioenergy; biofuels; debate; discourse; concept; international organizations; international relations; FAO; IEA; IPCC; energy security; climate change; food security; food vs. fuel; bioenergi; biobränsle; debatt; diskurs; begrepp; internationella organisationer; internationella relationer; FAO; IEA; IPCC; energisäkerhet; klimatförändringar; livsmedelssäkerhet;

    Abstract : The concept of producing energy from biomass has, for the last two decades, occupied attention of policy-makers, private industries, researchers and civil societies around the world. The highly contested and contingent character of the biofuel production, its entanglement in the nexus of three problematic issues of energy, climate and agriculture, as well as its injection into the current socioeconomic arrangements, is what makes it timely to analyse. READ MORE

  7. 15. Clinical And Experimental Studies of Contact Allergy to Stent Metals - with focus on gold

    Author : Susanne Ekqvist; Yrkes- och miljödermatologi; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; B-Au; patch testing; restenosis; contact allergy; Dermatology; metals; gold; stent; B-Ni; nickel;

    Abstract : A large number of patients are treated with coronary stents, and restenosis (recurrent narrowing of the vessel) is a serious problem. Contact allergy to metal ions eluted from stainless steel stents has been suggested to contribute to in-stent restenosis. READ MORE