煤矿瓦斯等级鉴定规范
Specification for coal mine gas classification identification
检测标准
出口氟石中氟化钙的化学分析方法
Chemical analysis method forthe calcium fluride in export fluorspar
商品煤质量 民用散煤
Commercial coal quality-Civil bulk coal
商品煤质量 民用型煤
Commercial coal quality-Civil briquette
进出口煤炭机械化采样制样方法
Mechanical method for sampling and sample preparation of coal for import and export
进口散装铬矿石取样、制样方法
Methods for sampling and sample preparation of chrome ores in bulk for import
进出口富铕、富钇、钐铕钆氧化物测定方法 第3部分:稀土氧化物总量的测定
Method for determination of europium-rich ,yttrium-richi ,Sm-Eu-Gdoxides for import and export Part 3:Determination of total rare earth oxides content
进出口富铕、富钇、钐铕钆氧化物测定方法 第2部分:灼减量的测定
Method for determination of europium-rich ,yttrium-rich ,Sm-Eu-Gdoxides for import and export-Part 2:Determination of ignition loss
进出口富铕、富钇、钐铕钆氧化物测定方法 第1部分:水分的测定
Method for determination of europium-rich ,yttrium-rich ,Sm-Eu-Gdoxides for import and export-Part 1:Determination of moisture content
民用煤层气(煤矿瓦斯)
Civil coalbed methane(coal mine gas)
