Index Catalog // ScholarsArchive@OSU

Production and export of biogenic silica in the Southern Ocean

Creator:: Sigmon, Daniel E.
Abstract:: Dissolved silicic acid (Si(OH)4) and biogenic silica (BSiO2) concentrations were measured on four different cruises in the Southern Ocean along 1700 W from late October 1997 to mid-March 1998. These data were used to construct a vertically integrated Si budget in the surface layer from 58° to 68° S. Throughout...
Resource Type:: Masters Thesis
Full Text:: Silica in the Southern Ocean. Abstract approved: David M. Nelson Dissolved silicic acid (Si(OH)4) and

Silicon biogeochemistry in the open-ocean surface waters : insights from the Sargasso Sea and equatorial Pacific

Creator:: Krause, Jeffrey W.
Abstract:: Diatoms are a ubiquitous group of plankton responsible for 20-40% of oceanic primary production, and a higher fraction of organic matter export to the ocean interior. Diatoms actively transport dissolved inorganic silicon into their cells, and through the process of silicification (i.e. biogenic silica production) they build tough and intricate...
Resource Type:: Dissertation

Bildungsroman in contemporary black women's fiction

Creator:: Carey, Cecelia V.
Abstract:: Bildungsroman in Contemporary Black Women's Fiction is a study of Toni Morrison's The Bluest Eye and Alice Walker's The Color Purple. Both of these writers implement a newer version of the genre of Bildungsroman to reveal the complexities involved in coming of age for a young woman of color. Both...
Resource Type:: Masters Thesis
Full Text:: 29. 2001. Title: Bildungsroman in Contemporary Black Women's Fiction. Abstract approved: David M

A beta dosimeter and spectrometer utilizing plastic scintillators and a large-area avalanche photodiode

Creator:: Kriss, Aaron A.
Abstract:: The purpose of this research was to develop and test a radiation detector to perform beta dosimetry and spectroscopy. The detector utilizes plastic scintillator volumes to produce scintillation light in proportion to the amount of energy deposited in them, and a large-area avalanche photodiode to convert the light to electrical...
Resource Type:: Dissertation
Full Text:: David M. Hamby The purpose of this research was to develop and test a radiation detector to perform

An analysis of shielding requirements in conjunction with current radiographic imaging practices

Creator:: Mallory, Stacy L.
Abstract:: The National Council of Radiation Protection and Measurements Report No. 49, originally issued on September 15, 1976, has been the primary design guide for diagnostic x-ray structural shielding in the United States. To further protect the public from various areas of medical radiation exposure, NCRP issued Report 116 in 1987...
Resource Type:: Masters Thesis
Full Text:: Shielding Reguirements in Coniunction with Current Radiographic Imaging Practices Abstract M. Hamby The

Investigation into the effects of subsurface ice deposits on the shielding of fast spectrum nuclear reactors using Martian regolith

Creator:: Frey, Wesley D.
Abstract:: As human exploration of space continues, eventually sights will be set on establishing a permanent manned habitat on the surface of Mars. The success of such a base will depend on many new and developing technologies. Low mass and high energy density power production units will be of paramount importance....
Resource Type:: Masters Thesis
Full Text:: Martian Regolith. Abstract approved: David M. Hamby As human exploration of space continues, eventually

Determination of Phoswich detector response using MCNP analysis to enhance Radioxenon measurement

Creator:: Lopez, Alejandro Uriel
Abstract:: As mandated by the Comprehensive Nuclear Test Ban Treaty (CTBT), the United States (US) is involved in the development and deployment of an International Monitoring System (IMS) for monitoring nuclear explosions. The US system, developed at Pacific Northwest National Laboratory, is known as the Automated Radioxenon Sampler/Analyzer (ARSA). The US...
Resource Type:: Masters Thesis
Full Text:: : David M. Hamby As mandated by the Comprehensive Nuclear Test Ban Treaty (CTBT), the United States (US

Mapping dose rate of the Oregon State University neutron radiography facility

Creator:: Ropon, Kimberly
Abstract:: The Department of Nuclear Engineering at Oregon State University has recently introduced a neutron radiography facility (OSNRF). The facility is dependent on a neutron source established by the OSU TRIGA® Reactor (OSTR). It was unknown how accurately a computerized model of the OSTR in conjunction with the OSNRF could represent...
Resource Type:: Masters Thesis

The wild flesh of Gary Snyder's "natural language"

Creator:: Hanson, Michael (Michael Edward)
Abstract:: This paper explores the language theories of Gary Snyder, an important modern environmental author whose early work was associated with the Beat movement of the early 1950's. I am particularly interested in Snyder's thoughts on how language relates to nature. I focus primarily on Snyder's prose in attempts to understand...
Resource Type:: Masters Thesis
Full Text:: Language" Abstract approved: David M. Robinson This paper explores the language theories of Gary Snyder

Design, construction, and analysis of a skin contamination dosimeter

Creator:: Cazalas, Edward J.
Abstract:: International recommendations provided by the International Commission on Radiation Protection (ICRP), as well as national regulations, set by the U.S. Nuclear Regulatory Commission (NRC), state that the exposure of skin to highly concentrated radioactive sources should be monitored at specified depths in skin and kept below specific dose equivalence levels....
Resource Type:: Masters Thesis
Full Text:: #=M#6?<@09A1;#E;58/#0A9:81?4;6#1;5;06;#87# DM#9:;6?6#98#0@M#1;0.;1#AB8@#1;PA;693## # # ,./01.#23

ScholarsArchive@OSU

Production and export of biogenic silica in the Southern Ocean

Silicon biogeochemistry in the open-ocean surface waters : insights from the Sargasso Sea and equatorial Pacific

Bildungsroman in contemporary black women's fiction

A beta dosimeter and spectrometer utilizing plastic scintillators and a large-area avalanche photodiode

An analysis of shielding requirements in conjunction with current radiographic imaging practices

Investigation into the effects of subsurface ice deposits on the shielding of fast spectrum nuclear reactors using Martian regolith

Determination of Phoswich detector response using MCNP analysis to enhance Radioxenon measurement

Mapping dose rate of the Oregon State University neutron radiography facility

The wild flesh of Gary Snyder's "natural language"

Design, construction, and analysis of a skin contamination dosimeter

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