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Why are NSG's standard reference
The National Institute of Standards and Technology (NIST) has released a new standard reference material (SRM) to aid in the detection of two explosive compounds that are known to be used by terrorists.
ST. LOUIS, Jan. 31, 2011 /PRNewswire/ -- Sigma-AldrichÂ® Corporation (Nasdaq: SIAL) announced today that it has acquired the assets of Resource Technology Corporation (RTC) of Laramie, Wyoming, an industry leader in analytical standards and certified reference materials.
- Sleep; the state or condition of being asleep.
- The state or condition of numbness of a part due to pressure on a nerve: as, the obdormition of a limb.