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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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GB/T 4702.9-1985
Methods for chemical analysis of chromium metal--The crystal violet spectrophotometric method for the determination of antimony content
GB/T 4702.10-1985
Methods for chemical analysis of chromium metal--The cupral spectrophotometric method for the determination of copper content
GB/T 4702.11-1985
Methods for chemical analysis of chromium metal--The alizarin violet spectrophotometric method for the determination of tin content
GB/T 16405-1996
Acoustics--Measurement of insertion loss of ducted silencers without flow--Laboratory survey method
GB/T 15433-1995
Ambient air--Determination of the fluoride--Method by lime-paper sampling and fluorine ion-selective electrode analysis
GB/T 4192-1984
Method for the determination of the resistivity of tungsten and molybdenum used in electric light sources and vacuumtubes
GB 5086.1-1997
Test method standard for leaching toxicity of solid wastes--Roll over leaching procedure
GB/T 15130.1-1994
信息处理 数据交换用90 mm改进调频制记录的位密度为15916 磁通翻转/弧度、每面80条磁道的软磁盘 第一部分:尺寸、物理性能和磁性能
Information processing--Data interchange on 90mm (35in) flexible disk cartridges using modified frequency modulation recording at 15916 ftprad, on 80 tracks on each side--Part1:Dimensional, physical and magnetic characteristics
GB/T 15130.2-1995
信息处理 数据交换用90 mm改进调频制记录的位密度为15916磁通翻转/弧度、每面80条磁道的软磁盘 第二部分:磁道格式
Information processing--Data interchange on 90mm flexible disk cartridges using modified frequency modulation recording at15916 ftprad, on 80 tracks on each side--Part 2:Track format
GB/T 4548-1995
Test method and classification for hydrolytic resistance of the interior surfaces of glass containers