Index Catalog // ScholarsArchive@OSU

Boredom, Buttons, and Booze: The Lifeways of an Enlisted Soldier Stationed at Fort Hoskins (35BE15), Oregon

Creator:: James, Shane P.
Abstract:: In 1976-77 and 2010, Oregon State University (OSU) excavated portions of the enlisted men’s barracks and privy at Fort Hoskins, a Civil War-era fort. In operation from 1856 to 1865, this fort served as part of a security network to protect and monitor the recently created Coast Indian Reservation. The...
Resource Type:: Masters Thesis
Full Text:: Shane P. James for the degree of Master of Science in Applied Anthropology presented on June 13, 2019

Skin depth dose response of an ionization chamber and a thermo-luminescent dosimeter system using low energy X-rays

Creator:: Fowler, Adam (Adam James)
Abstract:: The use of Ionization Chambers and Thermo-luminescent dosimeters (TLD's) in the medical field has established a need to determine if the skin depth dose response is comparable between the two detectors. This research will determine if the dose response from an Ionization chamber is comparable to a Thermo-luminescent dosimeter system...
Resource Type:: Masters Thesis
Full Text:: using Low Energy X-rays. Abstract approved: David M. Hamby The use of Ionization

Development of a Fundamental Depth-Dependent Neutron Dosimetry Model

Creator:: Anspach, Logan J.
Abstract:: Current neutron dosimetry methods rely on the assumption that charged particle equilibrium (CPE) is established within the tissue medium. This maintains that the kinetic energy transferred to the medium (KERMA) is equivalent to absorbed dose. However, this assumption is only valid for large volumes such as the whole body. For...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: ______________________________________________________ David M. Hamby Abstract

A Deterministic Photon and Electron Dosimetry Model for the Lens of the Eye

Creator:: Boozer, David L.
Abstract:: The lens dose equivalent (LDE) is a regulatory limit set to protect radiation workers. Current methods for estimating the LDE are specific to beam sources in a vacuum and require interpolating data from tables. A new set of deterministic equations for photon and electron point sources has been developed. These...
Resource Type:: Dissertation
Full Text:: approved: _____________________________________________________ David M. Hamby The lens dose

Archaeological Textile Fragments Present an Opportunity In the Study of Social and Landscape Interactions

Creator:: Lopez, Kirsten M.
Abstract:: Textiles (including basketry, cordage, woven, knotted, or plaited products) make up a considerable portion of the perishable archaeological record in dry caves of the northern Great Basin region, much of which is created from plants and plant fibers. The archaeological study of precontact textiles greatly informs our understanding of how...
Resource Type:: Masters Thesis

Effects of MCNP Model Resolution on Predicting Water Equivalent Thickness of Nanocomposite Materials in High-Energy Proton Fields

Creator:: Freilich, Justina A. M.
Abstract:: Manned missions beyond low-Earth orbit present tremendous, multifaceted radiological challenges. The deep space radiation environment contains high-energy protons and heavy ions, which are not sufficiently shielded by the aluminum alloys that have historically been used in spacecraft. To address these shielding concerns, polymer-based nanocomposites have been proposed. Radiation transport simulations...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Justina A. M

Real-time radioxenon measurement using a Compton-suppressed well-type phoswich detector for nuclear explosion monitoring

Creator:: Alemayehu, Bemnet
Abstract:: Radioxenon detection is a technique used to monitor nuclear explosion and verify the Comprehensive Nuclear-Test-Ban Treaty (CTBT). Because of an ultra-low concentration of radioxenon at radioxenon monitoring stations, radioxenon detection systems must have high sensitivity. This sensitivity is measured in terms of detector's minimum detectable concentration (MDC). It is required...
Resource Type:: Dissertation
Full Text:: dissertation committee: Professor David M. Hamby, Dr. Alena Paulenova, Professor Huaping Liu and Dr. Leah

Discrete Ordinates Radiation Transport using High-Order Finite Element Spatial Discretizations on Meshes with Curved Surfaces

Creator:: Woods, Douglas N.
Abstract:: We spatially discretize the Sn transport equation using the high-order (HO) discontinuous finite element method (DFEM) on HO meshes. Previous work provided a proof-of-concept for this spatial discretization method in X-Y geometry. Included in the present work, we derive a spatial discretization for the Sn transport equation in both X-Y...
Resource Type:: Dissertation
Full Text:: expensive. The transport equation discretized in time, energy, and direction can be written 1 u ∂ψ(x,Ωm

High Order Finite Elements SN Transport in X-Y Geometry on Meshes with Curved Surfaces in the Thick Diffusion Limit

Creator:: Woods, Douglas N.
Abstract:: The high-order finite element S[subscript N] transport equations are solved on several test problems to investigate the behavior of the discretization method on meshes with curved edges in X-Y geometry. Simpler problems ensured the correct implementation of MFEM, the general fi nite element library employed. A convergence study using the...
Resource Type:: Masters Thesis
Full Text:: order is p, mesh order is m, and problem dimension is d

A Game of Silent Irreverence : Passive Resistance in The Dalles, Oregon

Creator:: Maddoux, Maryanne
Abstract:: 210 East First Street (site 35WS453) contains the only extant remains of a once thriving Overseas Chinese settlement, in the city of The Dalles, Oregon. Very little is known about the everyday lives of these early settlers, or the pressures that they faced. This thesis will help to enrich the...
Resource Type:: Masters Thesis
Full Text:: interpreting field documentation and methodology. I wish to thank Dr. James Bard for taking the time to help

ScholarsArchive@OSU

Boredom, Buttons, and Booze: The Lifeways of an Enlisted Soldier Stationed at Fort Hoskins (35BE15), Oregon

Skin depth dose response of an ionization chamber and a thermo-luminescent dosimeter system using low energy X-rays

Development of a Fundamental Depth-Dependent Neutron Dosimetry Model

A Deterministic Photon and Electron Dosimetry Model for the Lens of the Eye

Archaeological Textile Fragments Present an Opportunity In the Study of Social and Landscape Interactions

Effects of MCNP Model Resolution on Predicting Water Equivalent Thickness of Nanocomposite Materials in High-Energy Proton Fields

Real-time radioxenon measurement using a Compton-suppressed well-type phoswich detector for nuclear explosion monitoring

Discrete Ordinates Radiation Transport using High-Order Finite Element Spatial Discretizations on Meshes with Curved Surfaces

High Order Finite Elements SN Transport in X-Y Geometry on Meshes with Curved Surfaces in the Thick Diffusion Limit

A Game of Silent Irreverence : Passive Resistance in The Dalles, Oregon

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