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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 29617-2013
Determination of density, relative density,and API gravity of liquids by digital density meter
GB/T 4325.7-2013
钼化学分析方法 第7部分:铁量的测定 邻二氮杂菲分光光度法和电感耦合等离子体发射光谱法
Methods for chemical analysis of molybdenum - Part 7: Determination of iron content - 1,10-phenanthroline spectrophotometry and inductively coupled plasma atomic emission spectrometry
GB/T 4325.24-2013
钼化学分析方法 第24部分:钨量的测定 电感耦合等离子体原子发射光谱法
Methods for chemical analysis of molybdenum - Part 24: Determination of tungsten content - Inductively coupled plasma atomic emission spectrometry
GB/T 4325.8-2013
钼化学分析方法 第8部分:钴量的测定 钴试剂分光光度法和火焰原子吸收光谱法
Methods for chemical analysis of molybdenum - Part 8: Determination of cobalt content - 5-Cl-PADAB spectrophotometry and flame atomic absorption spectrometry
GB/T 4325.3-2013
Methods for chemical analysis of molybdenum - Part 3: Determination of bismuth content - Atomic fluorescence spectrometry
GB/T 29230.1-2012
塑料光纤系统用光-电-光双向波长转换器 第1部分:百兆以太网650nm与1550nm/1310nm/850nm波长转换器
Opto-electronic-opto bidirectional wavelength converter for plastic optical fiber transmission system - Part 1: Wavelength converter between 650nm and 1550nm (or 1310nm or 850nm) of 100Mbps ethernet
GB/T 29236-2012
Criteria for evaluating recoverability of telecommunication infrastructure equipment
GB/T 29237-2012
Criteria for evaluating recoverability of telecommunication terminal equipment