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 32 for “"Local heating"”.
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Influence of upper limb ischaemia-reperfusion injury on the regulation of cutaneous blood flow during local thermal hyperaemia
… and kinetics of the vasodilatory response to local skin heating. Study 1 investigated between-day reliability of the local heating response in non-glabrous and glabrous index finger skin. Study 2 investigated the effects of I-R on the local heating response in non-glabrous and glabrous skin of …
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The Contribution of Nitric Oxide to the Skin Blood Flow Response to Exercise in Boys and Men
… SkBF during exercise (30 min at 60% VO2max) and local heating (44℃) in 12 boys (9.71.2 y) and 12 men (22.22.0 y) using laser-Doppler flowmetry and L-NAME to inhibit nitric oxide (NO). The exercise-induced SkBF increase was greater in boys versus men (p=0.03). L-NAME blunted SkBF response during …
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Energetic particles in the earth's magnetospheric cusps
… the question as to whether significant plasma heating may also be occurring in this region. Since the cusp is magnetically connected to a number of other regions in geospace, plasma heating in this region could be a significant contributor to magnetospheric dynamics. The goal of this thesis is …
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Using Vibrational Laser Spectroscopy to Study Biologically Relevant Interfaces
… monolayer that makes it highly susceptible to local heating from the necessarily large incident fields. The effects of this local heating are thoroughly investigated and modelled, leading to conclusions about how to minimise this disruption in future investigations. Finally, SFG simulations are …
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Examining the roles of core and local temperature on forearm skin blood flow
The interaction between local and reflexive control of skin blood flow (SkBF) is unclear. This thesis isolated the roles of rectal (Tre) and local (Tloc) temperature on forearm SkBF regulation at normal and elevated body temperatures, and to investigate the interaction between local and reflexive …
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Microbioreactors for bioprocess development
… into the medium feed channel, is prevented by local heating.
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Dietary nitrate supplementation augments nitric oxide synthase-dependent and independent reflex cutaneous vasodilation in healthy humans
… or NOS inhibition (20mM L-NAME). Whole-body heating was achieved via water-perfused suits to raise core temperature (Tc; ingestible telemetric pill) 0.8°C. Maximal cutaneous vasodilation was reached by administering 54mM SNP and local heating to 43°C. Skin blood flow was measured via …
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A Novel Process to Create Arbitrary Microcellular Patterns in Polycarbonate using a Laser Beam
… sheets via laser beam. This method allows local heating of CO2 saturated polycarbonates which results in the creation of arbitrary shapes of microcellular foamed regions in a plastic part. We present the processing parameters required to create foams in polycarbonate sheets that were …
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Visualizing Real Time Vasomotion in vivo Using Optical Coherence Tomography.
… Temperature Controller (MTTC) to produce local heating in conjunction with Spectral Radar Optical Coherence Tomography (SROCT).
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Design and fabrication of the microcantilever heater for rapid chemical vapor deposition graphene synthesis
… heater is thermally actuated by Joule heating. The fabricated device is able to operate at the graphene synthesis temperature, ranging from 800°C to 1000°C, for longer than an hour without any degradation in functionality. To prevent electrical contact between the doped silicon device …
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Effects of Tea on Peripheral and Cerebral Micro- and Macrovascular Function in Humans
… laser Doppler flowmetry (LDF). The following heating protocols were adopted: 1. Rapid 39°C (0.5°C/5-s), 2. Rapid 42°C (0.5°C/5-s) 3. Gradual 42°C (0.5°C/2-min 30-s) and 4. Slow 42°C (0.5°C/5-min). The coefficient of variation (CV) was calculated for absolute flux, cutaneous vascular …
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Ignition limits of explosively dispersed fuel
… This sensitivity is suspected to result from local heating of rich regions of the fuel cloud by dispersed chunks of burning flash powder. No mass ratio was found at which fuel did not burn after being explosively dispersed. However, a different critical mass ratio was observed which marked the …
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Little Big Bangs in Helium-Three
… which regions of the superfluid are destroyed by local heating with neutron radiation, we have studied the properties of degenerate Fermi systems under certain extreme non-equilibrium conditions. First, we consider the dynamical evolution of localized hot spots in ultralow temperature Fermi …
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Understanding phase transformations during flash sintering
… avoid complete oxidation of elements, and locally cause transformations, flash sintering also provides a method of synthesizing compositions that would be difficult to produce conventionally. Although flash sintering is a technique with great potential to improve or expand upon current …
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The Pacemaker Function of the Small Intestine
… at various levels were studied. The duodenum was locally heated or cooled either directly by applying water through a finger cot attracted at the end of a Miller Abbott tube. During local cooling of the duodenum the average frequency of contractions recorded at 50, 100 and 150 cm. for all five …
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Investigation of the effect of microwave irradiation (2.45 GHz) on biological systems at constant bulk temperature
… a way that is quite different from conventional heating (through conduction). Appropriate interpretations of these observations have to also consider the possibility of local heating and/or micro-hotspot formation during MW irradiation. In this respect, the “microwave-specific effects” may not be …
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Magnetisierungsumkehr und -dynamik in Exchange-Bias-Systemen
… the anisotropies of the sample by means of a local heating. The precession occurs on a timescale of some ten picoseconds. Analysis of the precession frequency depending on the sample orientation again allows the exact determination of the energy density function as well as the anisotropy …
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How Kinesin-1 Deals With Roadblocks: Biophysical Description and Nanotechnological Application
… was demonstrated. In combination with local heating by light, this effect could be used to control the gliding of single microtubules. Finally, a strategy to create photo-switchable kinesin-1 was developed and tested for feasibility using molecular modeling.
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Optical Interactions in Self-Assembling Systems
… in a self-assembled nanoparticle film via local heating and explore the interrelated dynamics of nanoscale reorganization and microscale rearrangement that influence the final morphology of the processed film. Then, we conduct a process study of a self-assembling system to determine the …
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Three Experiments on Complex Fluids
… entangled polymer, and flows in response to local heating, such as could occur due to eddy-current heating of metallic devices in an MR scanner. We use laboratory experiments and numerical simulations to determine the convective and conductive contributions to the heat transport in a simple …
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