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GB/T 4324.22-2012
钨化学分析方法 第22部分:锰量的测定 电感耦合等离子体原子发射光谱法
Methods for chemical analysis of tungsten - Part 22: Determination of manganese content - Inductively coupled plasma atomic emission spectrometry
GB/T 4324.14-2012
Methods for chemical analysis of tungsten - Part 14: Determination of residue content after chloride volatility - Gravimetric method
GB/T 4324.23-2012
钨化学分析方法 第23部分:硫量的测定 燃烧电导法和高频燃烧红外吸收法
Methods for chemical analysis of tungsten - Part 23: Determination of sulfur content - The combustion-conductometric titration and high frequency combustion-infrared absorption method
GB/T 4324.26-2012
钨化学分析方法 第26部分:氮量的测定 脉冲加热惰气熔融-热导法和奈氏试剂分光光度法
Methods for chemical analysis of tungsten - Part 26: Determination of nitrogen content - Pulse heating inert gas fusion-thermal conductive method and the Nessler reagent spectrophotometry
GB/T 3260.7-2013
Methods for chemical analysis of tin-Part 7: Determination of aluminium content-Electrothermal atomic absorption spectrometric method
GB/T 3260.9-2013
锡化学分析方法 第9部分:硫量的测定 高频感应炉燃烧红外吸收法
Methods for chemical analysis of tin-Part 9: Determination of sulphur content-Infra-red absorption method after high frequency induction furnace
GB/T 30044-2013
Coal direct liquefaction-Determination of constituents of heavy products-Solvent extract
GB/T 30043-2013
Coal direct liquefaction-Determination of softening point of liquefaction residue-Ring and ball apparatus
GB/T 30113.1-2013
空间微重力流体物理 流场光学测量技术规范 第1部分:阴影法、纹影法
Optical measurement methods on flow field in microgravity fluid physics-Part 1:Shadowgraph and Schlieren