Browse Standards
1391+ standards in database
1391 result(s) found
硫铁矿和硫精矿中铜含量的测定 火焰原子吸收光谱法和分光光度法
Pyrites and concentrate - Determination of copper content - Flame atomic absorption spectrometric and spectrophotometric methods
硫铁矿和硫精矿中全铁含量的测定 硫酸铈容量法和重铬酸钾容量法
Pyrites and concentrate - Determination of total iron content - Cerium sulfate volumetric and potassium dichromate volumetric methods
人造光学石英晶体
Optical grade synthetic quartz crystal
人造光学石英晶体试验方法
Test method for optical grade synthetic quartz crystal
矿用窄轨车辆 第6部分: 材料车
Narrow gauge mine cars - Part 6: Supply car
矿用窄轨车辆 第5部分: 平板车
Narrow gauge mine cars - Part 5: Flat deck car
矿用窄轨车辆 第4部分: 底卸式矿车
Narrow gauge mine cars - Part 4: Drop-bottom car
矿用窄轨车辆 第3部分: 单侧曲轨侧卸式矿车
Narrow gauge mine cars - Part 3: Single-side curved rail dumping car
矿用窄轨车辆 第2部分: 翻斗式矿车
Narrow gauge mine cars - Part 2: Dumping car
矿用窄轨车辆 第1部分: 固定车箱式矿车
Narrow gauge mine cars - Part 1: Solid-end car
矿用三牙轮钻头
Blast hole tricone rock bits
凿岩机械与气动工具 性能试验方法
Test methods of performance for rock drilling machines and pneumatic tools
工业用筛和筛分 术语
Industrial screens and screening - Vocabulary
煤中砷的测定方法
Determination of arsenic in coal
煤的工业分析方法
Proximate analysis of coal
煤中氮的测定方法
Determination of nitrogen in coal
煤岩分析样品制备方法
Method of preparing coal samples for the coal petrographic analysis
煤中硒的测定方法 氢化物发生原子吸收法
Determination of selenium in coal - Hydride generation-atomic absorption method
煤层气含量测定方法
Method of determining coalbed gas content
矿山环境地质分类
Classification of environmental geology of mine