Search for dissertations about: "lanthanum"
Showing result 1 - 5 of 37 swedish dissertations containing the word lanthanum.
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1. Preparation and characterization of perovskite structure lanthanum gallate and lanthanum aluminate based oxides
Abstract : The present work was initiated to study the synthesis and properties of lanthanum gallate based oxides as intermediate temperature electrolyte for solid oxide fuel cells. The wet chemical method, polymer complexing route, was used to prepare the precursor powders. READ MORE
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2. Activation and inhibition of diiron and iron-manganese ribonucleotide reductases
Abstract : Ribonucleotide reductase (RNR) catalyses the reduction of ribonucleotides to deoxyribonucleotides. In conventional class I RNRs the active site is located in the R1 subunit, and the R2 subunit contains a diiron cofactor and a stable tyrosyl radical essential for activity. READ MORE
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3. Catalytic combustion of methane
Abstract : Catalytic combustion is an environmentally benign technologywhich has recently reached the stage of commercialization.Palladium is the catalyst of choice when considering gasturbines fuelled with natural gas because of its superioractivity for methane oxidation. READ MORE
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4. Mixed metal oxide - noble metal catalysts for total oxidation of volatile organic compounds and carbon monoxide
Abstract : CO, volatile organic compounds, and polyaromatics areubiquitous air pollutants that give rise to deleterious healthand environmental effects. Such compounds are emitted, forinstance, by the combustion of wood, particularly fromsmall-scale heating appliances. READ MORE
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5. Interfacial Microstructure of Lanthanum Manganites
Abstract : .... READ MORE