نتایج جستجو برای: absent values

تعداد نتایج: 555513  

2011
Thomas H. LaBean Tauseef R. Butt Stuart A. Kauffman Erik A. Schultes

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...

2011

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,...

Journal: :Journal of applied toxicology : JAT 1983
J E Amoore E Hautala

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...

Journal: :Indian Journal of Anaesthesia 2017

Journal: :BMC Bioinformatics 2009

Journal: :Communication 2021

Journal: :Pediatric Neurology Briefs 1998

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