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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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Number of entries (Data is updated on a monthly basis): 46674
GB/T 12690.11-2003
稀土金属及其氧化物中非稀土杂质化学分析方法 镁量的测定 火焰原子吸收光谱法
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of magnesium content--Flame atomic absorptionspectrometric method
GB/T 606-2003
Chemical reagent--General method for the determination of water--Karl Fischer method
GB/T 12908-2002
Information technology--Automatic identification and data capture technique--Bar code symbology specifications--Code 39
GB/T 6881.3-2002
声学 声压法测定噪声源声功率级 混响场中小型可移动声源工程法 第2部分:专用混响测试室法
Acoustics--Determination of sound power levels of noise sources-using sound pressure--Engineering methods for small,movable sources in reverberant fields--Part 2:Methods for special reverberation test rooms
Number of entries (Data is updated on a monthly basis): 46674