This thesis contains two essays that use state-of-the-art econometric methods to estimate the implicit prices of various housing and vehicle attributes in hedonic price analysis. The additive nonparametric regression proposed by Hastie and Tibshirani (1990) is applied to capture a series of nonlinearities relating prices to their attributes that cannot...
Seedling root fluorescence (SRF) has been used as a test in the USA since 1941 to discriminate Italian ryegrass (Lolium multiflorum Lam.) from perennial ryegrass (L. perenne L.). Generally, roots of Italian ryegrass fluorescece when exposed to ultraviolet light, while roots of perennial ryegrass do not. Presence of fluorescent seedlings...
This study examined associations between participation in voluntary out-of-school programs (e.g., scouting, Boys' and Girls' Clubs, 4-H, YMCA/YWCA) in adolescence and four negative outcomes: school dropout, early sexual activity, delinquency, and drug use. A prospective longitudinal design had collected four waves of interview data on a national sample of 15,000...
The goal of this project is to design and implement an information system for self-service chemistry stockroom at Oregon State University. The system will have the following major functionalities: (1) Recording inventory purchases and sales; (2) Customer account administration and periodic billing of customers; (3) Inventory monitoring; ( 4) Allowing...
Field data collection techniques in combination with remote
sensing techniques were used to interpret and map the complex flow pattern of
the numerous glaciers comprising the Juneau lcefield, spanning the Alaska-
Canada boundary range. The extensive nature of the icefield mandated the use
of a variety of methods for surveying...
One of the most pressing concerns in the Geographic Information Science community is the distribution of spatial datasets over the Internet. Two projects of the Department of Geosciences at Oregon State University are in the process of distributing data. The Oregon Coast Geospatial Clearinghouse was implemented with the goal of...
Satellite measurements of sea-surface temperature (SST) by the TRMM Microwave Imager reveal previously unreported features of tropical instability waves (TIWs). In the Pacific, TIW-related variability is observed from the eastern boundary to at least 160°E. Cusp-shaped distortions of SST fronts and associated trains of anticyclonic vortices both north and south...
NM-9D11A-AN3 alfalfa (Medicago sativa L.) germplasm
(Reg. no. GP-337, NSL 386506) was developed by the New
Mexico Agricultural Experiment Station and released 5 Oct.
1998. NM-9D11A-AN3 has demonstrated high yield potential
under deficit irrigated field conditions in southern New Mexico.
It is highly resistant to anthracnose (caused by Colletotrichum trifolii...
Whitebark pine is an important reforestation species in the northern Rocky Mountains for enhancement of wildlife habitat. Production of container-grown whitebark pine seedlings at the USDA Forest Service Nursery in Coeur d'Alene, Idaho has been increasing the past several years. Diseases continue to be an important limiting factor in seedling...
A preliminary evaluation of the biological control formulation of Trichoderma harzianum marketed as BioTrek® was conducted on bareroot Douglasfir and western white pine seedlings at the USDA Forest Service Nursery, Coeur d'Alene, Idaho. The biocontrol material was applied topically on seed shortly after sowing and comparisons made between treated and...
The adoption and increasing uses of the Internet in higher education
in many parts of the world have resulted in fundamental changes in
academic cultures. The transfer of information is essential to academic
life, and the Internet offers faster and easier access to information and
communication between people than ever...
The purpose of this study was to assess the congruence of perceptions of academic advising between students and advisers. Seventeen tasks involved in developmental academic advising were identified from a review of current academic advising literature. These criteria became the basis of a questionnaire that asked students whether their adviser...
Changes in the federal farm program, in rainfall pattern and quantity, and
increased incidence of herbicide resistant weeds and diseases have generated
increased interest in spring grains in the Pacific Northwest. However, spring grains
have traditionally been treated as minor crops in this region, thus little research has
been done...
This document is the 1998 annual progress report for studies of Pacific lampreys
(Lampetra tridentata) conducted by the Confederated Tribes of the Umatilla Indian
Reservation (CTUIR), Columbia River Inter-Tribal Fish Commission, and University of
Minnesota (U of M). Bonneville Power Administration (BPA) funded activities through
Project 94-026.
The Pacific Lamprey...
Large-scale ecosystem assessments aim to assist ecosystem management by synthesizing current scientific knowledge on an area, and by providing a foundation for policy discussions and decisions on land management. These assessments go beyond traditional research efforts by moving away from narrow scope, system, and institutional boundaries, and by attempting to...
Ralph Ellison died without ever completing his second novel. After his death, the executor of his literary estate, John F. Callahan, edited Ellison's work into a novel published under the title Juneteenth. This thesis examines the problems posed by Ellison's posthumously released text, especially the issues of authorial intent and...
The identification of sources of point and nonpoint fecal pollution is difficult to determine. Understanding the sources of fecal organisms in quality limited waters could greatly enhance our ability to restore and protect the water quality and habitat of these systems. Antibiotic resistance patterns of fecal streptococci bacteria were analyzed...
Spatially discretized diffusion approximation equations are derived directly from spatially discretized radiation transport equations in 1-D slab geometry. Derivations for isotropic diffusion theory (IDT) and Levermore-Pomraning's flux-limited diffusion theory (FLDT) are applied to lumped linear discontinuous (LLD) transport equations. We find that the (energy density) solution is continuous across the...
Community colleges are in a strategic position to meet the growing demands for educating a population that is in a dynamic state of change, a population that is becoming more diverse with each passing year. A diverse population and other critical issues have created a new challenge for community colleges....
The effects of oligoribonucleotides of identical or similar sequences to a
ribosomal protein binding site, specifically S8, on prokaryotic 30S ribosomal assembly
were investigated in Escherichia coli. The oligoribonucleotides were expected to bind to
the target protein S8 and block its incorporation into the 30S subunit, resulting in a nonfunctional...
This study described how and why a Korean elementary teacher taught mathematics as he did. Specifically, the study sought to describe his beliefs about the teaching and learning of mathematics and relate them to patterns of classroom interaction and norms.
An ethnographic inquiry guided the study of one third grade...
Located on the central Oregon coast, the Umpqua Eden site (35D083) yielded an artifact assemblage which is one of the five largest assemblages from the Oregon coast. The first aspect of the site that I looked at is the people who lived at the site, the ancestors of the Confederated...
Several studies of herbaceous perennials have addressed the effects of environmental factors during and after production, inherent cold hardiness, and post-harvest handling procedures to enhance flowering and growth during establishment. The regrowth of both woody and herbaceous forage plants following establishment is reported to be directly related to reserve-nitrogen content....
The purpose of this study was to understand how adult learners in an online teacher licensure program selected and used learning strategies, transformed existing strategies or developed new strategies. Also examined was whether the environment itself facilitated or impeded usage of transformed strategies, or development of new strategies. Participants in...
Acetaminophen has been safely used for analgesia for many years.
Literature suggests that a plasma acetaminophen level of 5μg/ml is necessary to
maintain analgesic relief in humans. Current dosing regiments are inconvenient (every
4-6 hours) and do not maintain this minimum plasma level. Simulations were
conducted to examine various doses...
Isolated injury of the anterior cruciate ligament (ACL) is less frequent and typically perceived as less severe than ACL injuries with concurrent damage to other knee stabilizing structures. The timing of the ACL reconstructive surgery is thought to be a
critical factor that affects the patient's postoperative outcome. No previous...
DSA (Diffusion Synthetic Acceleration) has been developed to accelerate the SN transport iteration. We have developed solution techniques for the diffusion equations of FLBLD (Fully Lumped Bilinear Discontinuous), SCB (Simple Corner Balance) and UCB (Upstream Corner Balance) modified 4-step DSA in x-y geometry. Our first multi-level method includes a block...
Human beings are condemned to freedom, according to Jean-Paul Sartre's Being and Nothingness. Every individual creates his or her own identity according to choice. Because we choose ourselves, each individual is also completely responsible for his or her actions. This responsibility causes anguish that leads human beings to avoid their...
Sympatric steelhead and resident rainbow trout (Oncorhynchus mykiss) are known
to exist in many rivers throughout the Pacific Rim. Whether sympatric steelhead and
resident rainbow trout are polymorphisms within a single gene pool or two reproductively
isolated populations has significant implications concerning the study and conservation of
this polytypic species....
Reported here is an investigation to determine if azinphos-methyl (AZM), an
organophosphate insecticide, adducts to hemoglobin, and if so, whether the
hemoglobin adduct could be used as a quantitative marker of occupational AZM
exposure. We hypothesized that AZM, or a metabolite of AZM, binds to hemoglobin
in erythrocytes forming an...
A pilot scale demonstration of a biological permeable barrier was conducted in a pentachlorophenol-contaminated aquifer at a wood preserving facility. A permeable reactor was constructed to fit within a
large diameter well. Arranged in series, a cylindrical reactor 24" x 36" (0.61 x 0.91m) (diameter x height)
was partitioned to...
Issues of diversity are receiving significant attention within the National Park Service recently, due in large part to a growing awareness that its future as a relevant and viable agency is dependent upon improving its response to and management of diversity. A diversity assessment of Fort Vancouver National Historic Site...
This study assessed the effects of thinning on arthropod communities on understory plants in the Central Oregon Coast Range. Arthropods were sampled from five understory plants in five pairs of thinned and unthinned, young (50-80 yrs), managed Douglas-fir stands, from late May to mid-July of 1998. Vine maple (Acer circinatum),...
Ankle injuries comprise more than 15% of all sports injuries worldwide. The efficacy of the ankle taping for injury prevention has long been under scrutiny as numerous studies have shown that tape rapidly loses its ability to constrain ankle motion with exercise. Consequently, ankle braces (orthoses) are being used with...
A Cost-Effectiveness Analysis of a targeted intervention for community control of Ascariasis was carried out in three rural communities near Quito, Ecuador. Targeted treatment with Paico (Chenopodium ambrosioides) and Albendazole (ABZ) was applied to children aged 5 to 15 years attending primary local schools in Aglla, Checa and Iguinaro. Prevalence...
Inferences regarding the biology of extinct taxa are often founded primarily
on cladistically-based phylogenetic hypotheses. However, these inferences are
frequently inconsistent with the morphology and physiology of modern animals. I
suggest that reference to the biology of modern animals might be a more
appropriate tool to aid in the reconstruction...
Individuals with Down syndrome (DS) have less atherosclerosis than others with and without mental retardation (MR). Why individuals with DS do not develop atherosclerosis similarly to others is not known. The insulin resistance syndrome (IRS), a common neuroendocrine disorder underlying cardiovascular disease, has not been investigated in adults with DS...
The aim of the present project was to quantify and compare differences in impact performance and damping effectiveness among various off-road bicycle suspension systems. Two experiments were conducted to compare suspensions. Fork impact performance was tested by measuring peak antero-posterior braking forces and impulses during impact with bumps of 6-...
A direct purge technique was developed for the determination of chloroform or trichloroethylene (TCE) in water samples. These volatile organic solvents are transferred from the water sample to a reagent where they are trapped and react to form products (Fujiwara chemistry) that are monitored fluorometrically. Chloroform in a water sample...
Nutrition and health-related risk factors could be identified through the
implementation of the nutrition preventive strategies, such as nutrition screening,
for the Chinese elderly population who are at high risk of malnutrition. Efficacious
culturally sensitive nutrition assessment tools and nutrition screening tools hold the
most essential value to assess the...
The overarching theme of these stories is the relationship between love and hate, especially the connection between kindness and violence. In this fictional world, love often begets hate, and hate, love: a man's capacity for empathy serves as the catalyst for an act of brutality; a character's loneliness, his desire...
Various vineyard practices influence the quality of a wine. In 1999, three levels of nitrogen (N), two levels of tillage and two levels of irrigation were applied to Pinot noir grape cultivars at Benton Lane Vineyards in the Southern Willamette Valley. N treatments were zero, soil and foliar applications. Every...
The arithmetic portions of almost all modern processor architectures are of very similar design. We use the term "traditional" to describe this design, the primary characteristics of which are native support for integer and floating-point number types and special disjoint instructions and hardware for each supported type. Decades of refinement...
The current production plan at the Potlatch Hybrid Poplar plantation in eastern Oregon is to haul 8,000 whole trees per day (170,000 bone dry Tons of chips annually) to a centrally located processing facility (CPF) where the poplar will be processed. Harvests begin in 2001 and continue on a seven-year...
Recently the independent multinomial selections model (IMS) with the
multinomial logit link has been suggested as an analysis tool for radio-telemetry
habitat selection data. This model assumes independence between animals,
independence between sightings within an animal, and identical multinomial habitat
selection probabilities for all animals.
We propose two generalizations to...
The effect of changes in employment hours on changes in household task hours
was studied. Data were used from the National Survey of Families and Households
(NSFH) waves one and two. Wave one was a probability sample of 13,017 age 19 and
older in the United States who were interviewed...
This essay is an exploration of identity formation and expression. Humanity's identity formations create the orientations and languages with which we use to create our knowledge and understanding of the surrounding external environment (both social and physical) and our internal environment (psychological). This essay traces the sources of identity formation...
Dramatic declines in several groundfish populations have occurred along
the U.S. West Coast during the last decade (PFMC 1999, Sampson 1997,
Ralston 1998, Bloeser 1999). One problem exacerbating these declines is
insufficient stock assessments, especially for species of west coast rockfish
(Family Scorpaenidae, Genus Sebastes) which comprise the core of...
PURPOSE: To determine physical, plankton and nutrient/chemical conditions over the continental margin for climate change studies in NE Pacific. In particular, to make CTD and CTD/rosette and net tow stations along 5 lines (off Newport, Heceta Head, Coos Bay, the Rogue River and Crescent City, OR, to deploy drifters at...
The five short stories included in this thesis depict characters who struggle as they try to balance their responsibilities to each other, and their own independent desires. Whether those desires include personal freedom, another relationship, or self-protection, these characters are at least minimally aware that obtaining what they most want...
These six stories represent a child's search for identity. The first story, "Road Map," is intended to be independent from the other pieces in this collection, but has been included because it is clearly set in the same place and explores many of the same themes of the other pieces....
Kinematic tectonic models constrained by Airy isostatic equilibrium demonstrate the crustal-scale evolution of the Brooks Range during ocean basin closure, arc-continent collision, and exhumation of the orogen. The Bouguer gravity anomaly low that develops across the orogen is related by wavelength to the amount of shortening during collision, and by...
A three-dimensional model based on fundamental principles to simulate heat and
mass transfer and mat densification during hot pressing of wood-based composites is
presented. Mechanisms included in the analysis are water vapor and air transfer by gas
convection and molecular gas diffusion, conductive and convective heat transfer, and
sorptive effects,...
The diverse lichen flora of the Pacific Northwest is being impacted by
population growth and by forest management practices. Accumulating information
about our lichen flora will improve our conservation strategies. This dissertation first
collects information to improve our understanding of how lichen communities vary
among forests of differing structure, and...
In this project we measure the neutron capture cross section of ²⁰⁸Pb. We began by calibrating our silicon detector with ²⁰⁴Tl. Two experiments were then performed, the first in December of 1999 and the second in March of 2000. Both experiments were performed in the nuclear reactor of the Radiation...
The acute phase response (APR) includes an early response of the innate immune
system to an inflammatory agent. Acute phase proteins (APP) are produced at
increased rates in the liver during this response. The APR has been well
characterized in mammals, but it is unclear to what degree teleosts mount...
Fast ice flow and unstable ice sheet behavior were characteristic features of the Lake Michigan Lobe of the southern Laurentide Ice Sheet. Such behavior may result from some combination of subglacial-sediment deformation and decoupled sliding at the ice-bed interface. Both mechanisms depend on high water pressure relative to ice pressure....
In this study overall financial development and the performance of commercial banks in Georgia during 1991-2000 is analyzed. Georgian banking system emerged from a scratch after the country gained its independence in 1991. Initial reform path turned out to be very arduous, full of failures and disappointments. After complete chaos...
The composition and distribution of fish assemblages was examined in a
floodplain lake system in the Amazon basin. Quantitative samples were
collected during the 1992-1993 flooding season at Marchantaria Island, Solimoes
River. A total of 25,819 specimens representing 8 orders, 30 families, 101
genera and 139 species of fish were...
Low nitrogen Chardonnay juice from an Oregon winery was fermented with a series of nutrient supplements, including diammonium phosphate (DAP), Fermaid K, Superfood, yeast extract, yeast hulls and thiamine. These treatments were evaluated for their contribution to the yeast assimilable nitrogen content (YANC) of the juice, which consists of the...
This study examined the differences, at various scales, between northern spotted owl (Strix occidentalis caurina) nest sites and non-nest sites, i.e., sites where no nests were found during surveys, in the Coast Ranges of Oregon. I compared land cover around 41 owl nest sites (ONS) and 41 non-nest sites (NNS)...
With the arrival of European settlers to Western Oregon nearly 150 years ago came new methods of forest management. Early settlers' forest practices consisted of little more than harvesting what seemed an endless supply of timber. Forestry in the 20th century eventually incorporated such management concerns as re-forestation, biodiversity, wildlife...
Indole-3-carbinol (13C), a metabolite of glucobrassicin, is found in cruciferous vegetables. It is able to act as an inhibitor or promoter of carcinogenesis depending on the species, the carcinogen and when it is given in relation to the carcinogen. This is probably due to the fact that it reacts in...
The implementation of concurrent engineering into many large
companies has greatly improved their product development processes.
These companies have seen significant gains in quality and customer
satisfaction with reduced product costs, defects, and time-to-market
(Lake, 1992). Many large companies have successfully employed this
relatively new product development philosophy. However, smaller...
The diageotropica (dgt) mutation has been proposed to affect either auxin
perception or responsiveness in tomato plants. Auxins and cytokinins are plant
growth regulators known to interact with each other via a variety of mechanisms.
Here, we report the interactions of auxins and cytokinins in VFN8 wild-type and
dgt mutant...
Crystallizing a virus can be difficult and not always successful. Forty-eight salts, buffers, and precipitating agents were used in the hanging drop preparations in attempts to crystallize the San Miguel sea lion virus type 5 (SMSV-5). The first attempt resulted in 22 of the 48 solutions forming a precipitate. The...
We present a decade-long (1981–1990) high-resolution (subseasonal) record of Pb and Cd concentrations and Pb isotopic composition in a series of 119 snow samples from a 6-m snow pit at Summit, Greenland. Both metals show order of magnitude seasonal variability, with maxima in spring of every year, coinciding with sulfate...
Wireless Application Protocol (WAP) is an industry standard aimed to bring the web to handheld devices. The handheld devices are constrained by battery life and it becomes important that power is conserved across web transactions. The power consumed by the handheld device is directly proportional to the time taken for...
Published June 2000. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Published June 2000. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Published June 2000. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Direct numerical simulations of turbulence resulting from Kelvin–Helmholtz instability in stably
stratified shear flow are used to study sources of anisotropy in various spectral ranges. The set of
simulations includes various values of the initial Richardson and Reynolds numbers, as well as
Prandtl numbers ranging from 1 to 7. We...
This data report includes documentation of the Coastal Mixing and Optics (CMO) Experiment inherent optical property surveys on the continental shelf and slope in the Mid-Atlantic Bight south of Cape Cod, Massachusettes, USA. The surveys were conducted aboard the R/V Endeavor during two physical oceanography cruises: E9608 (14 August to...
A set of 119 study trees was identified in a 65 year-old Douglas-fir stand after a thinning operation conducted seven years ago using pre-planned skid trails and groundbased machinery. Some of the trails were tilled using a winged subsoiler after this operation in order to alleviate the effect of compaction...
This is an attempt to increase the power of a spreadsheet and try to use the spreadsheet as a powerful programming tool. The basic idea is to treat each cell of the spreadsheet as an object. The cell (Object) could be programmed, that is, the attributes and the functionality of...
El Niflo and La Nifia are oceanographic and atmospheric phenomena that have been
catalogued for well over a centuly. In El Nifio years, Peru's otherwise thy west coast is
subjected to torrential rainfall. Higher ocean temperatures off the coast are deemed the
culprit. Attempts to quantify this began in the...
Published June 2000. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
A nonlinear 2½-layer reduced gravity primitive equations (PE) ocean model is used to assimilate sea surface
temperature (SST) data from the Tropical Atmosphere–Ocean (TAO) moored buoys in the tropical Pacific. The
aim of this project is to hindcast cool and warm events of this part of the ocean, on seasonal...
Turbulence resulting from Kelvin–Helmholtz instability in layers of localized stratification and shear is studied by means of direct numerical simulation. Our objective is to present a comprehensive description of the turbulence evolution in terms of simple, conceptual pictures of shear–buoyancy interaction that have been developed previously based on assumptions of...
Published June 2000. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Published June 2000. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Published June 2000. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Communities across the United States are becoming more culturally and ethnically diverse. Indeed, demographers predict that by 2030 most of America’s school-age children will be from a minority group and by 2050, so will most Americans. This increasing diversity changes the nature of the population served by volunteer-based organizations, and...
Published June 2000. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog