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ScholarsArchive at Oregon State University
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This work sets forth a reformulation of Levins' loop analysis for the qualitative
modeling of complex dynamical systems. Relationships between members of ecological
communities can be analyzed through a qualitatively specified community matrix,...
2001-04-13 (iso8601)
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A million acre tract of land within the "Big Bend" of the
Columbia River in south-central Washington became the locale for an
important public area planning experiment and geotechnic enterprise
in the late 1930's and early 1940's. The Columbia...
1973-07-11 (iso8601)
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Water right marketing and transfers represent a resource reallocation
strategy that has received considerable attention in the American West owing to
nearly full appropriation of water in the region. Several western states permit
transfers between...
1999-06-04 (iso8601)
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A systematic study of the subfamily Dicyphinae Reuter (Heteroptera: Hiridae) resulted in a redefinition of the subfamily and included genera) and a revision of the
genus Dicyphus Fieber in the Western Hemisphere. The study entailed examination of...
1984-03-28 (iso8601)
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This study explored the effects of a collaborative learning community (CLC) upon the persistence of community college students. Treatment subjects were participants in two different offerings of the learning community "Life on the Edge". The ex...
1992-04-16 (iso8601)
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The effects of incorporation of selected biocides on physical and mechanical properties of aspen strandboard were assessed using five copper-based preservatives or zinc borate at three retention levels. Tebuconazole or...
2008-06-19 (iso8601)
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Eighty-seven brachiopod species are described and illustrated from a brachiopod fauna of the Cape Phillips Formation of Baillie Hamilton Island, Arctic Canada. Two new
families, Wangyuiidae and Rhynchotretidae, are proposed. Six new genera and...
1991-06-07 (iso8601)
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In two breeding experiments, straightbred and crossbred rabbits were evaluated for performance characters relating to reproduction, disease resistance, growth and carcass quality. In the first experiment,
New Zealand White CNN) and Flemish Giant...
1982-10-29 (iso8601)
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The U.S. Bureau of Fisheries (now National Marine Fisheries Service) conducted stream habitat surveys in the Upper Grande Ronde River Basin in 1941. This survey was part of an extensive inventory of stream habitat conditions for anadromous...
1992-02-18 (iso8601)
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In vitro growth of twelve isolates of Tither spp., the true truffles, was quantified by an agar-melt procedure. All isolates grew
poorly on media commonly used for the culture of mycorrhizal fungi, but responded markedly to the addition of...
1982-09-02 (iso8601)
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The purpose of the present investigation was to develop an adaptive teaching model for an interactive computer-assisted instruction (CAT) program and to evaluate the effectiveness of the implementation of individualized examples or individualized...
1992-03-18 (iso8601)
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The thermal wave technique has been explored for the use of liquid thermal conductivity measurement and flow property diagnostics in this dissertation. For liquid thermal conductivity measurements, an experimental technique based on the thermal...
2008-08-11T17:58:00Z (iso8601)
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The graduate student population has been traditionally overlooked within
higher education. However, within recent decades, much research has been
devoted to addressing the multiple facets of the graduate student experience,
including that of the...
2008-04-24 (iso8601)
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With energy prices rising and increasing concern about the influence of
fossil fuels on climate change, wave energy systems are on the verge of
commercial implementation. These first generation wave energy converters utilize
either pneumatics or...
2008-07-14 (iso8601)
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Women are economically disadvantaged in most U.S. labor markets, demonstrated by a persistent gender wage gap. The relative wage discrepancy can be understood as a result of labor market conditions, human capital investments, and gender...
2008-08-05T14:50:01Z (iso8601)
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This research focuses on the relationship between the emerging role of land trusts and
rapid growth and change in the West. Teton County, Idaho, Teton County, Wyoming, and
Sublette County, Wyoming, and each of their associated land trusts, are...
2008-08-11T15:55:06Z (iso8601)
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Collaboration between scientists and decision makers is a critical element in
mobilizing science into action. Likewise, the United Nations defines collaboration
between scientists and policymakers as a requisite component in the process of...
2008-06-27 (iso8601)
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