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 4695 for “"Alpha"”.
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Generating structural diversity in \(\alpha\)[alpha],\(\alpha\)[alpha]-difluoromethyl ketones
… methodology in the synthesis of \(\alpha\),\(\alpha\)-difluoroketones contained within a diverse array of molecular motifs. 1-(\(N\),\(N\)-Diethylcarbamoyloxy)-2,2-difluoro-1-(tributylstannyl)ethene undergoes Stille cross coupling with a variety of aryl, heteroaryl, vinyl and allyl …
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Synthesis and reactivity of alpha-trialkylsilyl alpha-amino acids
… work deals with the synthesis and reactivity of alpha-trialkylsilyl alpha-amino acids. They were synthesised using an established protocol involving rhodium(II)-catalysed insertion reactions of alpha-trialkylsilyl alpha-diazo esters into N-H bonds of carbamates. As an extension to this procedure, …
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Alpha-Alpha Particle Scattering at 21.8 and 22.9 Mev
Made available in DSpace on 2015-05-12T17:11:46Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 0007832.PDF: 4503619 bytes, checksum: b9ba91d167c76c8b3925f8883b81c2fd (MD5) Previous issue date: 1954
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Alpha decay and alpha elastic scattering by heavy nuclei
… Merchant and Perez to successfully describe alpha decay half lives for more than 400 nuclei. An important feature of this model is that it envisages preformed (preformation factor, P=1.0) alpha particles in the parent nuclei to be moving in orbits with a large value of a global quantum …
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Alpha Synuclein Oligomers in Human Pathology: Significance of Nitrative Alpha Synuclein Modifications
Intracellular deposition of fibrillar β-sheet aggregates of αSyn is a pathological hallmark of synucleinopathies such as Parkinson disease (PD) and dementia with Lewy bodies (DLB), which are clinically characterized by motor and cognitive dysfunction. Recent evidence indicates that αSyn oligomer …
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Modern Rossi alpha measurements
The Rossi-α method determines the prompt neutron decay constant in a nuclear fissioning system at or near delayed critical. Knowledge of the prompt neutron decay constant is important for a critical system as it is a major contributor to the dynamic system behavior. The classical method for the …
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Synthesis and reactivity of alpha-thio-beta-chloroacrylamides and alpha-thio-beta-chloroenones
Development of novel synthetic methodology for selective transformation of organic compounds is a central element underpinning organic synthesis with control of chemo-, regio- and stereoselectivity a very high priority. Reactions which can be conducted under mild reaction conditions and, ideally in …
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Type-2 Fuzzy Alpha-cuts
… sets. To this end, this thesis presents a novel alpha-cut representation theorem to be this meaningful mathematical representation. It is the decomposition of a type-2 fuzzy set in to a number of classical sets. The alpha-cut representation theorem is the main contribution of this thesis. This …
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Pathobiology of glomerular alpha-dystroglycan
Contains fulltext : 89847.pdf (Publisher’s version ) (Open Access)
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Central Alpha-Adrenoceptors and Behaviour
… in general were able to reverse these effects. Alpha1 antagonists such as prazosin on the other hand, produced sedation and potentiated clonidine's actions. However, α1 antagonists did not inhibit the pinna reflex or produce analgesia alone. The results suggest that central a2 receptor …
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Alpha-T-T and T-T-alpha-T diagrams in intelligent processing of thermosetting composites
The majority of existing models for processing in thermoset matrix composites concentrate nearly exclusively on heat and mass transfer problems and account for material-related aspects in a very simplified manner The objective of this work is to provide that missing element by proposing a clearly …
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Synthesis and biological activities of [alpha]-aminoalkanephosphonic acids and [alpha]-aminoalkanephosphonous acids and their derivatives
A study of preparation methods for alpha-aminoalkanephosphonic, alpha-aminoalkanephosphonous and alpha-aminoalkanephosphinic acids has been made, based on the combined use of an aldehyde, an amino com pound, and a phosphorus reagent. Reported yields are frequently poor and the mechanisms of the …
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