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The beta sheet ( β-sheet, also β-pleated sheet) is a common motif of the regular protein secondary structure. Beta sheets consist of beta strands ( β-strands) connected laterally by at least two or three backbone hydrogen bonds, forming a generally twisted, pleated sheet. A β-strand is a stretch of polypeptide chain typically 3 to 10 amino ...
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The jib sheet attaches to the clew of the jib, and controls it. The jib has a sheet on each side, only one of which (the leeward one) will be in use at one time. The spinnaker sheet attaches to the clew(s) of the spinnaker, if carried. A symmetrical spinnaker has two sheets, an "active" one and a "lazy" one, in the same way as a jib, but they ...
High-temperature superconductivity. A sample of bismuth strontium calcium copper oxide (BSCCO), which is currently one of the most practical high-temperature superconductors. Notably, it does not contain rare-earths. BSCCO is a cuprate superconductor based on bismuth and strontium. Thanks to its higher operating temperature, cuprates are now ...
Responsibility assignment matrix. In business and project management, a responsibility assignment matrix [1] ( RAM ), also known as RACI matrix [2] ( / ˈreɪsi /) or linear responsibility chart [3] ( LRC ), is a model that describes the participation by various roles in completing tasks or deliverables [4] for a project or business process.
The 2007 Tostitos BCS National Championship Game was an American football game played at the University of Phoenix Stadium in Glendale, Arizona, on January 8, 2007, and featured the top-ranked Big Ten champion Ohio State Buckeyes against the 2nd-ranked SEC champion Florida Gators. The Gators routed the Buckeyes by a final score of 41–14 to ...
Safety data sheet. A safety data sheet ( SDS ), [1] material safety data sheet ( MSDS ), or product safety data sheet ( PSDS) is a document that lists information relating to occupational safety and health for the use of various substances and products. SDSs are a widely used type of fact sheet used to catalogue information on chemical species ...
BCS: 50 Years is a review volume edited by Leon Cooper, a 1972 Nobel Laureate in Physics, and Dmitri Feldman of Brown University, first published in 2010.. The book consists of 23 articles written by outstanding physicists, including many Nobel prize-winners, and presents the complete theory of superconductivity - a phenomenon where the electrical resistance of some metallic materials suddenly ...