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.
Results
Showing 1 to 20 of 26 for “"Pre-conditioning"”.
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Sensory Pre-Conditioning and Stimulus Habituation
… checksum: 0246269f3dc6ee332cd2f3a4d76b3e17 (MD5) Previous issue date: 1953
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A study of sliding wear behavior of heat treated 1060 steel with pure rolling pre-conditioning
… tribometer that could control rotating speed precisely and separately. In total 4 experiments were completed with pure rolling phase followed by sliding phase in which the former covered 0%, 4.17%, 16.67% and 66.67% of the total experiment, respectively. Wear track width and deformation track …
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Improvement in the cooking and physico-chemical characteristics of hard-to-cook cowpeas by pre-conditioning and micronization
… time and poor textural quality reduce consumer preference and acceptability. Soaking cowpeas in water or in a solution containing monovalent cations have been used by other researchers to reduce the cooking time of normal and HTC cowpeas, while micronization has been used to reduce the cooking …
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A laboratory study of the friction behavior of granular materials
… of applied normal stress (5 to 45 MPa) after pre-conditioning at high normal stress (40 and 35 MPa) for powders and no pre-conditioning for bare surfaces. Time-dependent frictional healing decreases with increasing normal stress.
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The phenotypic and molecular responses of Listeria monocytogenes to stressors
… was increased or unchanged following sub-lethal pre-exposure.<br/><br/>Sub-lethal exposure to NaCIO increased expression of Imo0669 (oxidoreductase) by 4.6-fold, while a 2-fold increase in gadA was observed during TSP exposure. These responses permit survival under NaCIO and TSP stress, and may …
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Signal conditioning for high efficiency : wireless transmission
… power budget. In particular we consider pre-conditioning algorithms for a new generation of high efficiency radio frequency power amplifiers (RFPA).
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Angiotensin's Role in Hypoxic Injury
… rectifier K+ channel, was a transiently ionic preconditioned neuron, which could temporarily withstand the ionic stress, generated during hypoxia. We confirmed this theory by showing that the neuroprotective actions of the AT2 receptor are lost when the Na+/Ca+2 exchanger or the Na+/K + ATPase …
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Advanced parallel magnetic resonance imaging methods with applications to MR spectroscopic imaging
… value decomposition of the encoding matrix and pre-conditioning of the forward model are proposed to desensitize the solution from data noise and model errors. Variable density k-space sub-sampling is presented to improve the reconstruction with the common uniform sub-sampling. A novel method …
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A statistical framework for extraction of structured knowledge from biological/biotechnological systems
… from the vast amount of data. This thesis presents a comprehensive set of computational tools that enables us to extract important information (called structured knowledge) from this huge amount of data to improve our understanding of biological and biotechnological systems. Then, in …
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An approximation method for electrical impedance tomography
… and medical imaging. A new approximation is presented based on Nachman's 2-dimensional construction for closed domains. It improves upon existing approximations by extending the range of application from resolving 2 times the surface conductivity to imaging perfect conductors and insulators. …
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Ecological and physiological responses of hard corals to variations in seawater carbonate chemistry
It is predicted that ocean acidification (OA) threatens coral reefs worldwide, by lowering seawater pH which in turn compromises essential metabolic processes such as carbonate genesis of corals. Inshore waters however, experience different spatial and temporal carbonate chemistry variability, …
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Nominally volatile-free mantle minerals: a reservoir for water and fluorine in the Kaapvaal Craton
… elements is poorly constrained. This study presents the first systematic investigation into water, fluorine and chlorine storage in nominally volatile-free mantle minerals from sub-cratonic mantle. Full petrologic and chemical characterisation (using EPMA, LA-ICP-MS, SIMS, FTIR, SEM, EBSD) …
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INVESTIGATING THE ROLE OF α6 and α4 CONTAINING NEURONAL NICOTINIC ACETYLCHOLINE RECEPTORS IN NICOTINE AND COCAINE CONDITIONED PLACE PREFERENCE TESTS IN MICE.
… with the β2 subunit, which has abundant expression in the CNS and previous work has demonstrated that β2* nAChRs are involved in nicotine and cocaine reward. α6β2* and α4β2* nAChRs are highly expressed in midbrain, which is known to be critical for the incentive salience associated with …
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Lung Progenitor Cell Transplantation for Pulmonary Fibrosis and Ex Vivo Expansion of Patch-Forming EpCAM⁺CD31⁺ Cells
… survival related to the procedure. Previous studies in our group demonstrated the lung regenerative potential of simple lung cell transplantation in the well-established mouse model of naphthalene induced pulmonary injury, by either the entire lung cell population or only by the …
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An Exploration of Entropy Sources in Standard CMOS for Cryptographic Applications
This thesis represents a body of work regarding the design, implementation and test of a quantum entropy source in a commercially available semiconductor process. The techniques proposed have been designed to be process-agnostic, meaning that the work presented is highly transferable. The analysis …
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Antidepressant-Like Effects of Ketamine on Fear Conditioning and Extinction
… an important role in the pathogenesis of major depressive disorder. Prolonged stress induces a state of chronically elevated glucocorticoid exposure in the brain, which is neurotoxic and can lead to the dysfunction of glutamatergic signaling. Since memory is highly dependent upon glutamatergic …
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Targeting the CD19/CD21 complex on B cells in the mixed lymphocyte reaction
B cells exert antigen presenting functions at the crossroad between immune activation and tolerance induction, a fate notably governed by the B Cell Receptor (BCR) response regulator CD19/CD21 complex. This duality in B cells raises a particular interest in the case of acute graft-versus-host …
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Microbial Manipulation as a Therapy in Crohn's Disease
… gastrointestinal tract. Its global incidence and prevalence rates have risen over the last two generations; its burden reflects this rising. Physical, social and psychological morbidity result in reduced quality of life and substantial healthcare utilisation. Crohn’s disease pathogenesis involves …
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Three dimensional measurement of textured surfaces using digital photogrammetric techniques
… and the large overburden of rock, immense pressure is exerted on the rock mass being excavated. In order to relieve this stress in the rock mass being mined, the rock is "pre-conditioned" by pre-fracturing the rock face with large blasts. This has the effect of pushing the critical stress …
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