Global ETD Search
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Showing 1 to 6 of 6 for “"sub-diffusion"”.
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Diffusion, sub-diffusion, and escape: A study of over-damped Brownian motion
… with one-dimensional systems, we derive the diffusion coefficient for motion in a piecewise-defined potential where the barrier height of each section is taken from a probability distribution. When the distribution is exponential the usual transition between diffusion and sub-diffusion is …
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Permeation studies of hydrogen in 304 and 316 stainless steel: the influence of surface oxides
… model, provides a series of permeation, P<sub>m</sub>, diffusion, D, and surface rate coefficients, k<sub>1</sub>, k<sub>2</sub>, for hydrogen passing through 304 and 316 stainless steel. The method developed here allows the evaluation of a consistent set of bulk metal values of D and …
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A measurement of the neutron diffusion parameters of water at different temperatures by the pulsed method
The neutron diffusion parameters of water and ice were measured by the pulsed source method at two temperatures; 1.0°C. and -19°C. Neutron pulses were obtained at one millisecond intervals by modulating the beam in a Cockcroft-Walton type accelerator. The ₁H³(d,n)₂He⁴ reaction was used to generate …
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Development of high energy density dielectrics for pulse power applications
… and testing conditions on the BDS.</p> <p>TiO<sub>2</sub> was chosen as the candidate material for BDS characterization studies and was fabricated using slip casting techniques. The BDS of TiO<sub>2</sub> decreased by a factor of 2- 3 with increases in the thickness and electrode area due to …
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Liquid-Amine Infused Surfaces for Carbon Capture
… high-capacity technologies that can remove CO<sub>2</sub> from (i) point sources (e.g. exhaust streams) and (ii) directly from air (i.e. direct air capture (DAC)) are the key towards reversing the elevated levels of atmospheric CO<sub>2</sub>.</p> <p>Here, we study a novel technology (solid …
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Characterising fat tissue structure and function in response to hypoxia in grey seals, an animal model of extreme fat deposition and mobilisation, using novel <i>in vivo</i> and <i>in vitro</i> approaches
… as result of limited vascularity or impaired diffusion, is the underlying trigger. How seals avoid the potential detrimental effects of large, fluctuating adiposity is unknown.</p><p class="MsoNormal" style="line-height: normal; background-image: initial; background-position: initial; …