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- 2019-05-24 ISO/TS 19807-2 "Nanotechnologies -- Magnetic nanomaterials -- Part 2: Specification of characteristics and measurements for nanostructured superparamagnetic beads for nucleic acid extraction"
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- 2016-11-15 Sino-German City-to-City Standardization Cooperation Seminar
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Number of entries (Data is updated on a monthly basis): 46674
GB/T 12372-1990
居住区大气中二氧化氮检验标准方法 改进的 Saltzman 法
Standard method for examination of nitrogen dioxide in air of residential areas--Modified Saltzman method
GB/T 12373-1990
Standard sampling equipments of liquid absorbent methods for determining gaseous pollutants in air of residential areas
GB/T 13580.13-1992
Determination of calcium and magnesium in the wet precipitation--Atomic absorption spectrophotometry
GB/T 11219.1-1989
Determination of plutonium in soil--Extraction chromatography method
Number of entries (Data is updated on a monthly basis): 46674