Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 1790 for “"catalysis"”.
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Catalysis.
<p>The artist discusses the process of discovery that led to her Master of Fine Arts exhibition at Slocumb Galleries, East Tennessee State University, from March 19 to 23, 2007. Investigations in printmaking, mixed media, and symbol are highlighted. The work for the thesis show consists of …
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Compartmentalized catalysis
Contains fulltext : 122867.pdf (Publisher’s version ) (Open Access)
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Analytical Applications of Catalysis and Suppressed Catalysis of Luminol Chemiluminescence
… here examined analytical applications related to catalysis of the luminol CL reaction with respect to three primary areas.
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Imidazolidinones in amine catalysis
Iminium ion activation is a rapidly expanding and contemporary area of synthetic chemistry in which a number of enantio- and diastereoselective transformations have been developed. Despite the substantial attributes of the area, high catalyst loadings, aldehyde substrate specificity and incomplete …
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Supported aqueous phase catalysis
… the reactants and products. This novel type of catalysis is demonstrated by liquid phase hydroformylation. The support chosen is CPG-240, a porous glass with a narrow pore volume distribution. The catalytic species, HRh(CO)[m-P(PhSO₃Na)₃]₃ was synthesized from Rh(CO)₂(acac) by a new synthetic …
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Asymmetric Catalysis in Polymersome Nanoreactors
Contains fulltext : 140662.pdf (Publisher’s version ) (Open Access)
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Heterogenous catalysis of inorganic reactions
… aluminium species are necessary for successful catalysis of the reactions and the greater the number of these sites the faster the aquation. The aluminosilicates act simultaneously as bi-functional catalysts, i.e. as proton acceptors (base catalysis) and as electron pair acceptors (Lewis acid …
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Tetrathiometallates in Synthesis and Catalysis
Finally, Et4N[ReS4] has also been shown to react with isocyanides (MeNC, t-BuNC, CyNC) which add across the S=M=S functionality via a 3+1 cycloaddition process in the presence of S 8 to form Et4N[Re(S)(S4)(S2CNR)]. This type of cycloaddition has not been observed before for metal sulfides.
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Catalysis by transition metal compounds
"The catalytic properties of cobalt oxide (CoO) were investigated theoretically. The interactions of atomic hydrogen with small clusters of atoms, representing cobalt oxide surfaces, were calculated using the ab initio Unrestricted Hartree-Fock (UHF) method. The electronic structure of the bulk …
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Electrochemically mediated separations and catalysis
Mediated electrocatalysis was also investigated as a means of generating electrolyte-free hydrogen peroxide streams. This was achieved by employing redox mediator phase-transfer (RMPT) to produce and isolate aqueous H₂O from the electrolysis of H₂O and O2 where the quinone mediator was 'trapped' in …
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Borox catalysis : a new frontier in chiral Bronsted acid catalysis derived from chiral borate anions
In this doctoral research, focus has been on the development of the new chiral Brønsted acid catalysts, large-scale synthesis, novel reaction methodologies and understanding their mechanisms by experimental/computational analysis. In due course of time, a pool of unprecedented chiral Brønsted acid …
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Isothermal microwave biology : catalysis and fermentation
This thesis looks directly into the controversial subject of the microwave field effect by the production of a versatile prototype isothermal microwave reactor for the investigation of enzymatic and microbiological reactions. The observed results from the prototype reactor and experiments conducted …
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N-Heterocycles for Materials and Catalysis
Contains fulltext : 151783.pdf (Publisher’s version ) (Open Access)
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Ionic liquids for main group catalysis
Lewis acidic ionic liquids, in particular chloroaluminate systems, have been found to be very effective catalysts for reactions such as Diels-Alder and Friedel-Crafts, and made their way to pilot and industrial processes, including oligomerisation of olefins (DifasolTM by IFP) and refinery …
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Mechanism and kinetics of homogeneous catalysis
<p>A model-based approach using a diverse set of data including monomer consumption, evolution of molecular weight, and end-group analysis was employed to determine each of the reaction specific rate constants involved in 1-hexene polymerization process catalyzed by a family of group IV single-site …
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