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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
Search results
Showing 41 to 50 of 704 (0.013 seconds)| 41 |
The development of a continuous-flow photochemical reactor and its application to the synthesis of stemoamideHook, Benjamin D. A. January 2007 (has links)
No description available.
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Templated electrosynthesis of nanomaterials and macroporous structuresLai, Min January 2007 (has links)
No description available.
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Gas kinetic studies of organometallic compoundsStevenson, John January 1969 (has links)
No description available.
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Framework redox sites in nanoporous molecular sieve catalystNguyen, Khanh Dieu Hong January 2008 (has links)
The work described in this thesis is concerned with the characterisation of metal ions substituted nanoporous materials. The first chapter deals with the introduction to nanoporous materials, with historical background, structural chemistry, synthetic methods and catalytic applications. The second chapter describe the experimental techniques used in this work. Chapter 3 deals with the study of cobalt ions substituted nanoporous aluminophosphate material. Here the main aim is to understand the effect of synthesis condition used in preparing CoA1PO-34, CoSAPO-34 materials on the particle size, micro-structure stability and more importantly the oxidation-reduction chemistry of cobalt ions. It was found using microscopy and in situ XRD/EXAFS technique, that when CoA1PO-5.PO or CoSAPO-34 materials are prepared around pH 7.5, the system has small particles, with good structural stability and complete redox chemistry of cobalt ions. Chapter 4 describes the results obtained from the in situ studies of iron substituted A1PO-5. Here the aim to investigate the influence of structure directing organic template on the state of iron in the as-synthesised and calcined form. It was found that, depending on the nature of template, the coordination of Fe(III) ions change from octahedral to tetrahedral at different temperature. In situ studies of reactivity of Ti(IV) species in titanosilicate TS-1 material was studied using X-ray absorption near edge structure and they are described in chapter 5. A comparison between amorphous titanosilicate and crystalline TS-1 was made and it was found that titanium ions in amorphous material reacts much more readily with water molecules compared to crystalline counter part and this correlates with the hydrophobic character of crystalline TS-1 material. In the final chapter, 6, a brief summary and conclusions obtained from the work described in the results chapter are given.
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Some studies in the formation and reactions of organic peroxidesBassey, Michael January 1958 (has links)
No description available.
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Substitution and elimination reactions in non-hydroxylic mediaKevill, Dennis Neil January 1959 (has links)
No description available.
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Metal catalysed olefin metathesisRountree, S. M. January 2010 (has links)
No description available.
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| 48 |
Protease-catalysed synthesis and hydrolysis on solid supportsLalaouni, Antonia January 2006 (has links)
No description available.
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Synthesis of chiral polyazamacrocyclesStones, Graham January 2004 (has links)
No description available.
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From dendritic building blocks to nanoscale architecturesLove, Christine S. January 2004 (has links)
No description available.
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