Index Catalog // ScholarsArchive@OSU

Wheeled Mobility Devices Performance and Passive Securement Systems

Creator:: Mather, Andrea
Abstract:: Wheeled mobility devices (WhMD) pose unique safety risks to users while riding public transportation. Unsecured or improperly secured WhMDs create safety concerns for other transit riders and operators. Tests using accelerometers and visual observations were conducted to understand how WhMD orientation and securement in articulated buses, streetcars, and light rail...
Resource Type:: Masters Thesis

TIMR : Time Interleaved Multi Rail

Creator:: Ruggeri, Thomas L.
Abstract:: This work presents a new energy saving technique for modern digital designs. We propose Time Interleaved Multi-Rail (TIMR) - a method for providing two dynamic supply rails to a circuit. This technique uses the first supply rail to mask the transition delay while changing the voltage of the second rail....
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Thomas L. Ruggeri for the

The Role of Submesoscale Features in Transporting Heat and Salt Across Ocean Fronts

Creator:: Sanchez-Rios, Alejandra
Abstract:: The focus of this dissertation is the analysis of submesoscale and finescale features measured at oceanic fronts and the role they play in the transport of heat and salt. Two different geographical areas were used to analyze this transport: one, an area on the western side of the North Atlantic...
Resource Type:: Dissertation
Full Text:: to thank my committee members: Jack Barth, Emily Shroyer, Roger Samel- son, and my Graduate Council

The origin of mid-ocean ridge basalts : insights from trace element contents in anorthite, anorthite-hosted melt inclusions, and ocean core complexes

Creator:: Weinsteiger, Allison B.
Abstract:: The primary goal of this study is to access the processes that alter primary melts after segregation from a mantle source and ultimately form petrologic Layers 2 and 3 of the Ocean Crust. Mineral, melt inclusion, and whole rock chemical compositions are utilized to further the understanding of 1) the...
Resource Type:: Dissertation
Full Text:: : ________________________________________________________________________ Adam J.R. Kent Roger L. Nielsen The primary goal of this study is to access

Origins and evolution of plant microRNA genes

Creator:: Fahlgren, Noah
Abstract:: Eukaryotic small RNA (~20-30 nucleotides) are diverse regulatory molecules that repress gene expression at the transcriptional and post-transcriptional levels, defend hosts against invading viruses and defend genomes against selfish DNA elements. Small RNA populations are studied by high-throughput sequencing of the total small RNA fraction isolated from cells, however, the...
Resource Type:: Dissertation
Full Text:: , Sarah R. Grant and Jeffery L. Dangl generated and sequenced small RNA libraries for an analysis

Mineralogy and geochemistry of copper deposits of the Lights Creek Stock, California : an assessment of porphyry versus iron-oxide copper origin

Creator:: Stephens, Abigail E.
Abstract:: The Lights Creek Stock is an 18 square kilometer copper-bearing granitoid intrusion within the Plumas Copper Belt in the northern California Sierra Nevada. Engels Mine, Superior Mine, and Moonlight Valley represent the main copper-mineralization in the Lights Creek district and small prospects include the Ruby Mine, and Moonlight Creek. The...
Resource Type:: Masters Thesis

Investigation of the environmental impact of wind energy and supplemental energy systems using a life cycle approach

Creator:: Prempreeda, Preedanood
Abstract:: Wind energy is a promising alternative energy source due to its environmental, economic, and social benefits and, as such, has garnered public support and government incentives for its development and implementation. With the growing number of wind parks in Oregon, a life cycle assessment (LCA) study for a representative new...
Resource Type:: Masters Thesis
Full Text:: Dr. Roger Graham, thank you for serving on my committee and contributing to the body of this work

Influence of processing parameters on diffusion of divalent nickel in wet silica sol-gel monoliths

Creator:: Dickson, David J.
Abstract:: The diffusion of divalent nickel (Ni²⁺) from wet silica gels was investigated. Silica gel is gaining interest as an encapsulation matrix for biological components. The transport of biologically relevant species within the gel is determined by the structural characteristics of the gel, which are in turn governed by synthesis parameters....
Resource Type:: Masters Thesis
Full Text:: thanks to my committee members, especially Professors Alex Yokochi and Roger Ely. First, for indulging

Horizontal Variability of Internal Waves and Tides: Seafloor Pressure Measurements and Idealized Resonant Modes

Creator:: Thomas, Jennifer A.
Abstract:: Internal waves and tides are a dominant source of current variability, and they are intermittent and hard to predict. Internal waves can have significant variability in alongshore structure. However, previous studies on internal waves have focused primarily on their cross-shore structure and propagation. For example, while alongshore-propagating superinertial internal tides...
Resource Type:: Dissertation
Full Text:: members: Roger Samelson, Emily Shroyer, and Jonathan Nash. They have all been mentors to me, helping me

Helium isotope variations in peridotite, gabbro and basalt from the Kane Oceanic Core Complex

Creator:: Konrad, Kevin
Abstract:: The Kane Oceanic Core Complex (OCC) is a valuable window into crustal architecture and chemical composition of the lithosphere beneath a slow-spreading ocean ridge. A suite of > 30 samples (comprised of whole rocks, mineral separates and basalt glasses) has been analyzed for ³He/⁴He isotope ratios and He concentrations. Gas...
Resource Type:: Masters Thesis
Full Text:: . Conversations about petrology and crustal accretion with Roger Nielsen were invaluable to the discussion of

ScholarsArchive@OSU

Wheeled Mobility Devices Performance and Passive Securement Systems

TIMR : Time Interleaved Multi Rail

The Role of Submesoscale Features in Transporting Heat and Salt Across Ocean Fronts

The origin of mid-ocean ridge basalts : insights from trace element contents in anorthite, anorthite-hosted melt inclusions, and ocean core complexes

Origins and evolution of plant microRNA genes

Mineralogy and geochemistry of copper deposits of the Lights Creek Stock, California : an assessment of porphyry versus iron-oxide copper origin

Investigation of the environmental impact of wind energy and supplemental energy systems using a life cycle approach

Influence of processing parameters on diffusion of divalent nickel in wet silica sol-gel monoliths

Horizontal Variability of Internal Waves and Tides: Seafloor Pressure Measurements and Idealized Resonant Modes

Helium isotope variations in peridotite, gabbro and basalt from the Kane Oceanic Core Complex

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