Browse Standards
1391+ standards in database
1391 result(s) found
直接还原铁 金属铁含量的测定 三氯化铁分解重铬酸钾滴定法
Direct reduced iron—Determination of metallic iron content—The potassium dichromate titrimetric method after decomposition of sample by ferric chloride
直接还原铁 亚铁含量的测定 三氯化铁分解重铬酸钾滴定法
Direct reduced iron—Determination of iron(Ⅱ) content—The potassium dichromate titrimetric method after decomposition of sample by ferric chloride
膨润土
Bentonite
滑石化学分析方法
Methods for chemical analysis of talc
高岭土及其试验方法
Specification and test method of kaolin clay
焊条用还原钛铁矿粉 亚铁含量的测定 重铬酸钾滴定法
Reduced ilmenite powder for welding rob—Determination of ferrous iron content—Potassium dichromate titrimetric method
铁矿石 钡含量的测定 EDTA滴定法
Iron ores—Determination of barium content—EDTA titrimetric method
铁矿石 多种微量元素含量的测定 电感耦合等离子体质谱法
Iron ores—Determination of multiple trace elements—Inductively coupled plasma mass spectrometric method
全尾砂膏体充填技术规范
Technical specification for the total tailings paste backfill
综合机械化固体充填采煤技术要求
Technical requirements of solid-filling in fully-mechanized coal mining
煤中砷、硒、汞的测定 氢化物发生-原子荧光光谱法
Determination of arsenic, selenium and mercury in coal—Hydride generation-atomic fluorescence spectrometry
沿空留巷高水材料巷旁袋式充填技术要求
Technical requirement of roadside bag filling for gob-side entry retaining with high-water material
冲击地压测定、监测与防治方法 第9部分：煤层注水防治方法
Methods for test, monitoring and prevention of rock burst—Part 9: Prevention method of water infusion on coal seam
冲击地压测定、监测与防治方法 第14部分：顶板水压致裂防治方法
Methods for test, monitoring and prevention of rock burst—Part 14: Prevention method of roof hydraulic fracturing
综合机械化超高水材料袋式充填采煤技术要求
Technical requirement of fully mechanized bag filling mining with superhigh-water material
立井冻结法凿井井壁应用C80～C100混凝土技术规程
Technical specification on C80~C100 concrete shaft lining applied in vertical freezing shaft
煤的燃烧结渣指数测定方法
Test methods for slagging indexes in coal combustion
综合机械化膏体袋式充填采煤技术要求
Technical requirement of fully mechanized bag filling mining with paste
煤的燃烧特性测定方法 一维炉法
Test method for coal combustion characteristics—One-dimensional furnaces method
石材工业用设备术语和分类及型号编制方法
Equipment nomenclature and sorted and numbering for stone industry