نتایج جستجو برای: absent values
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Biological proteins are known to fold into specific 3D conformations. However, the fundamental question has remained: Do they fold because they are biological, and evolution has selected sequences which fold? Or is folding a common trait, widespread throughout sequence space? To address this question arbitrary, unevolved, random-sequence proteins were examined for structural features found in f...
Eiszler, C.F. (2002). College students' evaluations of teaching and grade inflation. Research in Higher Education, 43(4), 483-501. This study examined the relationship between grades and students’ composite ratings of teaching effectiveness over a 20-year period at a comprehensive, public university in the upper Midwest. Between the spring of 1980 and the fall of 1999, students in more than 37,...
The body of information in this paper is directed to specialists in industrial health and safety, and air and water pollution, who need quantitative data on the odor thresholds of potentially hazardous chemical vapors and gases. The literature, largely unorganized, has been reviewed for 214 compounds and condensed into tables based on consistent units. Data on the volatility, solubility, ioniza...
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