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ScholarsArchive at Oregon State University
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There are currently more than 580 natural areas in Oregon and Washington managed by 20 federal, state, local, and private agencies and organizations. The natural areas network is unparalleled in its representation of diverse ecosystems found in...
2014-05-15 (iso8601)
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Prairie-oak ecosystems in the Willamette Valley, Oregon have experienced habitat loss and degradation; most of these ecosystems are fragmented into smaller patches. Prairie-oak butterfly species, in the Willamette Valley, have decreased...
2014-05-13 (iso8601)
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Family influence in the home environment has been linked to children’s nutrition and physical activity behaviors. However few tools exist to identify family level behaviors and families’ readiness to change those behaviors, particularly for...
2014-06-09 (iso8601)
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The GALAXY computer is a large, high speed, general
purpose, digital computer intended to be used for solving
scientific problems. It requires a random access memory
system of 16,384 words of 59 bits each with a cycle time
of one microsecond or...
1963-05-06 (iso8601)
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Prior to 2005, ammonia oxidation, the first step of nitrification, was thought mediated mainly by ammonia-oxidizing bacteria (AOB). However, the discovery of Thaumarchaeota carrying the genes coding for the ammonia monooxygenase (AMO) enzyme led...
2014-06-05 (iso8601)
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1963-05-10 (iso8601)
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In his book on abstract algebra, Nathan Jacobson
poses and solves the problem of finding the number of
ways of inserting parentheses in a string of given length
with binary operators. We continue the work of Jacobson
and go beyond it in that we no...
1963-05-02 (iso8601)
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Monte Carlo (MC) algorithms are widely accepted as the most accurate method to calculate dose in a patient geometry. For this work the EGSnrc MC code was used as a benchmark for the identification of dose calculation errors produced by the widely...
2014-03-31 (iso8601)
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1963-05-14 (iso8601)
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The thesis discusses stability of procedures based on linear
computing formulas for numerical integration of an ordinary first-order
differential equation. The theorems are proved: (1) If the
procedure is asymptotically stable it is stable for...
1963-05-08 (iso8601)
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We monitored a suite of stream chemistry parameters for April and May, 2013, at Oak Creek, Oregon, USA. The dataset can be downloaded at the following URL: http://dx.doi.org/10.7267/N9JW8BSJ, via the Dataset Query Tool. The dataset is hosted by...
2013-10-16 (iso8601)
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