The major historical studies that have examined American
biology have emphasized the development of experimental biology at
the end of the nineteenth century. In this characterization, the
descriptive branch of biology has often been treated as less than
important and, in several cases, as a hindrance in the application
of...
The Motor Systems Resource Facility (MSRF) at Oregon State University presently conducts a variety of steady state tests on Motors and Generators, with ratings of upto 300Hp.(225kW), using a dynamometer. The dynamometer consists of an induction motor fed by a power electronic converter. A control computer uses a serial link,...
This dissertation describes an investigation of DNA precursor supply for mitochondrial and nuclear DNA synthesis in HeLa cells and Mouse L-cells. HeLa cells were used for the quantitation of cellular and mitochondrial deoxyribonucleoside triphosphate (dNTP) and ribonucleoside triphosphate (rNTP) pools and of changes in pools in response to treatment with...
The purpose of this study was to describe the level to which a target work culture based on core organizational values was shared in one lumber manufacturing plant. The organization under study perceived that their culture was a source of competitive advantage and was key to their success in safety,...
The United States Congress is currently debating a bill to reauthorize the 1980 Superfund Hazardous Waste Cleanup Law. If this bill is not reauthorized by the end of 1995, the program will either continue in its present form or be eliminated altogether.' As currently administered, the Superfund program sets out...
The brain has long attracted the interest of researchers. Some tasks, such as pattern
recognition and optimization, have proven to be exceptionally difficult for conventional
computing systems to perform, but are executed by the brain almost effortlessly. Due to
the large number of neurons and interconnections, it has proven impossible...
Acute phase protein (APP) measurement can be used to characterize and rapidly detect inflammation. Serum amyloid A (SAA) and haptoglobin (HP) may be useful for diagnostic and prognostic purposes in horses presenting for colic and other inflammatory diseases. The objective of this thesis was to evaluate the use of SAA...
In recent years, state governments in the U.S. have promoted improvements to science, technology, engineering, and mathematics (STEM) education as a means to stimulate future economic growth and increase economic mobility into careers with higher earnings. Oregon’s STEM Initiative includes the creation and development of strategic public-private partnerships which aim...
Group Engagement Theory describes the relationship between citizen perceptions of policy, individual identity and status judgements, and individual group engagement decisions. Utilizing a least likely crucial case methodology, this paper uses the case of Josephine County, Oregon to determine the validity of the Group Engagement Theory prediction that citizen identity...
The primary purpose of this study was to develop guidelines for
planning a preservice preparation program which would encompass the
critical issues in community college teacher education identified in
the related literature and by national and state authorities. The
secondary purpose was to suggest a plan for a community college...
The objectives of this research paper are (1) to establish if a
relationship exists between those water-related services - domestic
water and waste disposal - already present in the North Albany are a
prior to 1966 and housing growth that occurred during the period
1966-1975, (2) to assess the impact...
The Greenbelt Land Trust (GLT) (a grass-roots conservation group in
Oregon) is interested in a conservation plan for the Marys River Corridor. To
facilitate this effort, a resource inventory was required and a Geographic
Information System (GIS) data base used to compile the inventory (called the
Marys River Project (MRP))....
This study was an empirical investigation of two methods of
college classroom teaching--lecture and discussion. The design was
both experimental and descriptive, differing from prior methodological
comparisons in that a more sophisticated test statistic was used in
the analysis of the data. Whereas most similar studies used t tests,
or...
The purpose of this thesis is (1) to study two Oregon communities
and to report data related to their concepts of community
education and (2) from this data, to develop guidelines for the planning,
organization, and implementation of comprehensive community-wide
educational programs. In accomplishing these purposes, it is
hoped a...
May We All Wake Up One By One is the beginning of a novel set in the West African country of Guinea. The story follows Sean Wake, a twenty-something American who finds himself working for the Feed the World Program as the country falls apart around him. While his co-workers...
Problem School districts need information on how to better
communicate with voters because budgets are being defeated. Budgets
are growing larger as schools require an increasing level of
financial support to respond to societal changes.
This research focused primarily on the published school budget
because in the state of Oregon...
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Keith Scribner
The Fifth Floor and Other Stories is a short-story collection about missed
This research examines women's magazine editors' perspectives of the relationship between editorial and advertising content in women's magazines. It specifically investigates how this relationship affects both general editorial content and more specifically, social topic stories. Mainstream women's beauty/fashion magazine editors—including editors-in-chief—were queried as to the nature of these relationships. Interviews...
The problem considered is that of causing all the machines of an
array to turn on simultaneously in the least amount of time. Each
machine is a finite sequential machine that can communicate with a
limited number of prescribed neighbor machines.
A solution for a linear array of these machines,...
Five Ultra light Fabric Reflux Tubes (UFRTs) were tested in a thermal vacuum chamber at the National Aeronautics and Space Administration's Johnson Space Center in September 1994. These test articles were design and fabricated by staff at the Pacific Northwest Laboratory, operated by Battelle Memorial Institute for the United States...
Groups of second-growth Douglas-fir (Mirb.) Franco were excavated
in plots of two to six trees on two sites in the vicinity of Cowichan
Lake, Vancouver Is., British Columbia. Eleven excavation plots provided
36 trees which could be studied in pairs (a total of 50 pairs) in order
to ascertain the...
Deterministic source signature deconvolution is applied to the
processing of marine wide angle and vertical profiler data with air-gun
sources. Optimum results are obtained with a source signature
measured by stacking the signal reflected from a relatively homogeneous
abyssal plain sedimentary environment. This eliminates the need for
the unstable inverse...
The Humboldt marten, Martes americana humboldtensis, has undergone a dramatic decline throughout its historical distribution in coastal Northwestern California. There is currently only one known population occupying an area occurring in <5% of the historical distribution of the subspecies. Conservation and management efforts to benefit this population are hampered by...
Large-scale experiments on circular model cell bulkheads were
conducted to define the distribution of hoop stresses, deflections of
the cells, distortion of the cell fill, ultimate overturning resistance,
and the critical mode of failure. The embedment depth of the model
cells was varied to investigate the effect of embedment on...
Lamellar x-ray diffraction was studied from thin films of L-α-1,2-dipalmitoyl lecithin (DPL) and a 1:1 mixture (BrDPL) of L-α-l-palmitoyl-2-(9- bromopaimitoyl) lecithin and its 10-bromo analog. The specimens had high lamellar order, with an upper bound on the mosaicity of 6 mrad (0.4°) for DPL and BrDPL. With various water contents,...
A PID controller was designed to control the performance of an oil-heated fractal-like branching microchannel desorber for use in an ammonia-absorption refrigeration system. Both the amount and concentration of ammonia refrigerant generated at the desorber can be controlled by choosing the rectified circulation ratio as the controlled variable in a...
Robots are being utilized in ever more complex tasks and environments to help humans with difficult or dangerous tasks. However, robotic grasping is still in its infancy and is one of the limiting factors which prevent the deployment of robots in the home and other assisted living scenarios. Traditional methods...
Prostate cancer is responsible for a substantial loss of life and burden of suffering among adult males. Evidence suggests that the risk of morbidity and mortality from prostate cancer can be reduced through specific screening and dietary practices (MCI, 2002; Ries et al., 2002). Further evidence suggests that screening can...
The goal of this study was to evaluate the ability of two seedling quality evaluation methods to predict the field survival of Douglas-fir (Pseudotsuga menziesii) seedlings. The starch reserves in seedlings have been suggested as a possible predictor of seedling quality. Starch reserves have been shown to decrease during cold...
Studies towards the total synthesis of (+)-Phomactin A (1), D (6), and G (9), fungal metabolites with unique molecular architecture and pronounced biological activity, are described. These studies resulted in the synthesis of advanced intermediates 354 and 356, which contain all of the carbon atoms of 1, 6 and 9....
Efficiency of nitrogen fertilizer uptake by soft white winter
wheat (Triticum aestivum L.) was measured over two cropping seasons
across a range of soils and cropping histories in the Willamette
Valley. Fate and potential losses of applied nitrogen were also
assessed over a seventeen month period.
In both cropping seasons,...
This study describes the composition of forest landscapes surrounding
northern spotted owl (Strix occidentalis caurina) nests in the central Cascade
Mountains of Oregon. I compared forest composition around 126 owl nests in 70 pair
territories with forest composition around 119 points drawn randomly from all
terrestrial cover-types, and around 104...
Neutron diffraction experiments on europium telluride/lead telluride super-lattice systems reveal pronounced correlations between the antiferromagnetic EuTe layers. The results from an assortment of varying experimental conditions (applied
magnetic field, temperature, etc.) and their relevance to the physical mechanism underlying this striking phenomena are discussed. Stochastic computer simulations are compared to...
In response to concerns about excessive stand densities and high-severity wildfires, land
managers in the western United States are carrying out extensive programs of fuel reduction
thinning. How will these sudden reductions in canopy cover and associated changes in
habitat affect native and exotic herbaceous vegetation and canopy species regeneration?...
Full Text:
AN ABSTRACT OF THE THESIS OF
Keith A. Perchemlides for the
Nearly 9,000 feet of Cretaceous mudstones, shales, sandstone,
and conglomerates are exposed along the northeast-trending Mitchell
anticline of central Oregon, These rocks are divided into two formations
on the basis of criteria developed in this investigation. The
lower formation, hereby designated the Meyers Formation, is 4,716
feet thick at its...
Physical-biological interactions in the Southern Ocean were investigated using remote sensing data from several different satellite sensors. Satellite sea surface temperature data were used to study the dynamics of the Antarctic Polar Front (PF). Satellite ocean color data were used to estimate surface chlorophyll concentrations and their relation to various...