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 6544 for “"Selective"”.
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Selective Effects of Selective Attention
<p>Selective Attention is the process by which an individual attends to one stimulus while ignoring other distracting stimuli. Selective attention at encoding has been found to consistently impair memory performance. However, little research has found conclusive evidence as to the impact of …
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Fair Selective Regression
Selective regression allows for abstention from prediction when uncertainty is high, creating a tradeoff between coverage rate and prediction error. In this thesis, we consider how selective regression interacts with data that is partitioned into subgroups by a sensitive attribute. Specifically, we …
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Selective SiGe nanostructures
Selective epitaxial growth (SEG) of SiGe on patterned SiO2/Si substrates by ultra-high vacuum chemical vapor deposition (UHVCVD) shows promise for the fabrication of novel SiGe microelectronic structures. This work explores selective growth conditions in the SiH2Cl2/SiH4/GeH4/H2 system between …
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Selective assembly in deformable systems using templated assembly by selective removal
… rigid substrates using Templated Assembly by Selective Removal (TASR). Also presented is a quantitative model for predicting the successful self-assembly of deformable materials using TASR. Successful assembly of silica microspheres using TASR on a silicon template carried out in previous work …
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Network-layer Selective Security
… with added security at this level, the notion of selective security is proposed. This thesis identifies elements in network topologies that are most important to the survivability of the network. The results show that the strategic placement of network security at critical elements will improve …
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Generalized Selective Harmonic Control
In the final section of the dissertation, performance aspects of GSHC are examined within the limitations of the current ability to obtain solutions. Relative performance of an available set of solutions is compared, illustrating the importance of selecting a particular solution over another. …
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A selective automatic phonograph
Thesis: M.S., Massachusetts Institute of Technology, Department of Electrical Engineering, 1932
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Phase selective flame-retardant laminates
Fibre-reinforced polymer composites are widely used in structural applications due to their lightweight and high strength. However, their poor fire performance–particularly the flammability and softening of the polymer matrix at elevated temperatures–poses a significant safety concern. This thesis …
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Selective Reduction of Laterite Ore
… reduction mechanisms, and optimum conditions for selective reduction of nickel and cobalt oxides. Ore reduction with the size 53-200 μm and size < 53 μm was studied at 700-1000 ℃ in the CO-CO2 gas mixture containing 20-70 vol% CO; the gas flow rate varied in the range 350- 1050 mL/min. Reduced ore …
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Selective Mutism And Art Therapies
<p>Selective Mutism (SM) is a social anxiety disorder characterized by a child's inability to speak in selected social situations, usually school. The causes of SM are multi-factorial. Affected children often have a history of anxiety, linguistic and motor disorders. Current therapies include a mix …
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Selective Protein Functionalisation at Methionine
… to the fields of chemical biology and medicine. Selective protein functionalisation has enabled the development of technologies such as targeted drug delivery, enzyme activity profiling and imaging of cells in vivo. Many strategies for bioconjugation target the nucleophilic side chains of the …
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Estrogen Receptor Subtype Selective Ligands
… ligands that show pronounced subtype-selective differences in ligand binding and transactivation potency or efficacy, the study of the structure-function relationships, and the molecular basis for the subtype-selective action. A 5,11-cis-diethyl-5,6,11,12-tetrahydrochrysene-2,8-diol …
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Shape Selective Oxidations of Hydrocarbons
… iron(III) acetate were both found to be shape selective alkane hydroxylation catalysts when iodosobenzene was used as oxidant. The selectivity observed was the same when these catalysts were used with metachloroperoxybenzoic acid, demonstrating the intermediacy of a common manganese porphyrin …
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Chemical Looping for Selective Oxidations
… the development of chemical looping for selective oxidations. Chemical looping is a reactor technology that achieves simultaneous reaction and separation. For a large subset of reactions (viz. abstraction or insertion of oxygen), this technology is based upon the use of oxygen carriers. …
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Speculative Vectorization with Selective Replay
Vector architectures, once the mainstay of supercomputers, have become popular again after the introduction of short vector instruction sets into general-purpose processors in the 1990s, and their successive improvement in subsequent architecture revisions. Single Instruction Multiple Data (SIMD) …
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Selective criteria in Werner clathrates
We have elucidated the structures of a series of Werner Clathrates with systematically changing guest molecules. The host is the inorganic coordination compound bis(isothiocyanato)tetra(4-vinylpyridine)nickel(II), [Ni(NCS)2(4-ViPy)4]. The guests are mixtures of tetrahydrofuran and the cyclic …
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Distributed detection with selective communications
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1986.
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ALPHA4BETA2 NEURONAL NICOTINIC ACETYLCHOLINE RECEPTOR LIGANDS: FROM SUBTYPE SELECTIVE TO STOICHIOMETRIC ISOPHORM SELECTIVE PARTIAL AGONISM.
… and biological evaluation of compounds selective for the orthosteric and unorthodox binding sites of the α4β2 nAChRs. In the second part, attention is paid to the study of a photoactivatable α4β2 nAChRs full agonist. Part 1 The first goal of Part 1 was the mutational studies of Ser108 …
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Selective Oxidations by Metalloporphyrins and Metallocorroles
… utilization of these complexes as catalysts for selective oxidation of sulfides and photocatalytic aerobic oxidations of activated hydrocarbons were investigated. Ruthenium(II) porphyrin complexes (2) and iron(III) corrole complexes (4) with iodobenzene diacetate [PhI(OAc)<sub>2</sub>] as a mild …
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