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time standard

   Also found in: Financial, Wikipedia 0.03 sec.
time standard [′tīm ‚stan·dərd]
(horology)
A recurring phenomenon, used as a reference for establishing a unit of time; the presently accepted standard is the second, defined to be 9,192,631,770 transitions between two specified hyperfine levels of the atom of cesium-133.
(industrial engineering)


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Byline: ANI Washington, August 12 (ANI): Scientists at the National Institute of Standards and Technology (NIST) have said that an experimental atomic clock based on ytterbium atoms is about four times more accurate than it was several years ago, giving it a precision comparable to that of the NIST-F1 cesium fountain clock, the civilian time standard of the US.
The remaining chapters in this section provide a great amount of detail into the methodology for development of the URM, including how workload is measured and reported, how efficiency is calculated and how you can use the various statistical time standard measurements in the most correct and credible manner.
The committee also proposes new subdivision (e)(1)(G), a time standard for permanency proceedings.
 
 
 
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