Search for dissertations about: "precious"
Showing result 1 - 5 of 60 swedish dissertations containing the word precious.
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1. Land Reform, Trust and Natural Resource Management in Africa
Abstract : Four self-contained papers constitute this thesis. Paper I investigates what impact Zimbabwe’s Fast Track Land Reform Programme, launched in 2000 as part of an ongoing land reform and resettlement programme aimed at addressing a racially skewed land distribution, has had on its beneficiaries’ perceptions of land tenure security and subsequent decisions to invest in soil conservation. READ MORE
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2. Photocatalysis beyond conventional precious metal complexes
Abstract : Precious metals, e.g. Ru and Ir, are expensive, scarce and non-renewable resources. As oppose to many renewable resources, these cannot be deliberately produced wherever one wishes. READ MORE
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3. Functionalized mesoporous carbons as non-precious metal fuel cell catalysts
Abstract : Fuel cells allow for clean and efficient chemical to electrical energy conversion. However, their high price significantly limits the market viability of the technology. This is to a large part due to the high cost of the precious metals used in most fuel cell catalysts. READ MORE
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4. Experimental studies of NOx storage catalysts -Preparation, characterisation, NOx regeneration and sulfur deactivation
Abstract : .... READ MORE
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5. Iron-nitrogen containing carbon catalysts for oxygen reduction in fuel cells
Abstract : New solutions to efficiently convert energy are needed to mitigate global climate changes and sustain the needs of the growing population. An energy device with high potential is the proton exchange membrane (PEM) fuel cell. PEM fuel cells can convert chemical energy to electrical energy with extraordinary high conversion efficiency. READ MORE