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Fall 2019
This thesis provides a theoretical discussion of several new phenomena associated with spin-orbit coupling in systems that lack inversion symmetry. Chapter 1 gives an introduction to the context of spin-orbit coupling in condensed matter physics and the role of inversion symmetry breaking. The...
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Transport and Transfer of Total Dissolved Gases in the Lower Columbia River Hydropower System
DownloadSpring 2020
Hydropower facilities can generate elevated or supersaturated total dissolved gases (TDGs) during spill operations that can impose environmental and ecological risk to downstream habitat, particularly to fishes causing gas bubble disease and mortality. Assessment of such impact and management of...
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Fall 2019
In hydraulic fracturing, resin-coated ceramic proppants can be added to fracturing fluid as an agent for propping the fractures. Resin-coated ceramic proppants have several advantages compared to the traditional silica sands and ceramic proppants. Resin-coated ceramic proppants can withstand much...
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Spring 2022
In predicting oil and gas recovery, researchers develop models primarily focusing on macro- or milli-scale flows by applying Navier-Stokes types solutions and no-slip boundary conditions. They compare or cross-check their models to known experimental results available in the literature for larger...
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Spring 2014
Arsenic is a potent environmental contaminant and human carcinogen, occurring naturally in the earth’s crust and entering the food chain through leeching into the water supply. Upon entering the body, inorganic arsenic is methylated to mono- and di-methylated forms, the trivalent versions of...
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Transport of Bubbles and Oil Droplets Rising in a Net Co-F1ow through a Rectangular Confinement
DownloadFall 2018
The passage of air bubbles and oil droplets with five net co-flow through a vertical straight rectangular flow channel is investigated experimentally and theoretically in this research. A flow channel, varying from 22 mm × 5.84 mm to 3 mm × 5.84 mm (width × thickness) cross-sectional geometry was...
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Fall 2011
The influence of the viable but non-culturable (VBNC) state on specific phenotypic traits of Escherichia coli O157:H7 as well as its transport behaviour in porous media was examined in this study. E.coli O157:H7 is a human pathogen capable of entering a VBNC state following exposure to sublethal...
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Spring 2014
Emerging devices, such as those based on carbon (in the form of graphene or nanotubes) or III-V compound semiconductors, are constructed on an atomic scale, where the transport is governed by the Schrödinger equation of quantum mechanics or the Boltzmann transport equation (BTE) of semi-classical...