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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 20975.25-2020
铝及铝合金化学分析方法 第25部分:元素含量的测定 电感耦合等离子体原子发射光谱法
Methods for chemical analysis of aluminium and aluminium alloys—Part 25:Determination of elements content—Inductively coupled plasma atomic emission spectrometric method
GB/T 20975.9-2020
铝及铝合金化学分析方法 第9部分:锂含量的测定 火焰原子吸收光谱法
Methods for chemical analysis of aluminium and aluminium alloys—Part 9:Determination of lithium content—Flame atomic absorption spectrometry
GB/T 20975.7-2020
Methods for chemical analysis of aluminium and aluminium alloys—Part 7:Determination of manganese content
GB/T 38946-2020
Specification of centralized operation and maintenance for distributed photovoltaic power system
GB/T 38832-2020
基于公用电信网的宽带客户网络联网技术要求 通照一体化高速可见光通信
Technical requirements of broadband customer networking based on public telecommunication network—High-speed visible light communications under lighting constrains
GB/T 7409.2-2020
Excitation systems for synchronous machines—Part 2: Models for power system studies
GB/T 39605-2020
Test method for measuring the evaporative resistance of clothing—Sweating manikin method