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ScholarsArchive at Oregon State University
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The acute toxicity of Diquat (1:1-ethylene-2:2' dipyridylium
dibromide) and Dichlobenil (2, 6-dichlorobenzonitrile) to six selected
pond invertebrates was determined using the median tolerance limit
estimation method. Diquat was more toxic to the...
1967-11-27 (iso8601)
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Many species of the Fagaceae have been variously interpreted
on the basis, primarily of external morphological characteristics.
The objectives of this study are to elucidate generic and specific
characteristics of the wood of Fagaceae and to...
1968-05-01 (iso8601)
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The vertical reference system being considered utilizes a two-degree-of-freedom gyroscope configured as a vertical gyro. Each
gimbal erection circuit forms a second-order feedback control system.
Gyros are susceptable to a number of error sources....
1968-05-01 (iso8601)
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Terrestrial biosphere models can help identify physical processes that control carbon
dynamics, including land–atmosphere CO₂ fluxes, and have great potential to predict the terrestrial
ecosystem response to changing climate. The skill of models...
2013-11 (iso8601)
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BACKGROUND: Patients receiving hospice or palliative care often receive antimicrobial therapy; however the effectiveness
of antimicrobial therapy for symptom management in these patients is unknown.
OBJECTIVE: The study’s objective was to...
2013-12-10 (iso8601)
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Agricultural land management, such as fertilization, liming, and tillage affects soil properties, including pH, organic matter content, nitrification rates, and the microbial community. Three different study sites were used to identify...
2013-05-01 (iso8601)
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An evaluation of the meteorological usefulness of a maser RF
amplifier on an AN/MPS-34 X-band weather radar indicates that there
are both advantages and disadvantages to its use. The problems
associated with the maser used in this study included...
1968-05-06 (iso8601)
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There are several factors which affect the cost and efficiency
of a structure. The most important and basic factors are: the predominant
stress, the way the structure carries the loads and the
shape of the structure.
The structures in which the...
1968-04-10 (iso8601)
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The Timoshenko beam theory, as an engineering alternative to
the elementary and exact theories, introduces a factor, k', called
the shear coefficient which has been given various interpretations and
values. It is the objective of this study to...
1968-04-25 (iso8601)
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The study of water movement in unsaturated soils by using appropriate
diffusion equations has attracted considerable attention in
recent years.
In this study, a numerical technique is developed for solving
a generalized, dimensionless diffusion...
1967-11-30 (iso8601)
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Forest harvest residues can be a cost-effective feedstock for a biorefinery, but the high
lignin content of forest residues is a major barrier for enzymatic sugar production. Sulfite
pretreatment to overcome strong recalcitrance of lignocelluloses...
2013-12 (iso8601)
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