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锡精矿化学分析方法 第13部分：氧化镁、氧化钙量的测定 火焰原子吸收光谱法
Methods for chemical analysis of tin concentrates—Part 13: Determination of magnesium oxide content,calcium oxide content—Flame atomic absorption spectrometric method
锡精矿化学分析方法 第12部分：二氧化硅量的测定 硅钼蓝分光光度法和氢氧化钠滴定法
Methods for chemical analysis of tin concentrates—Part 12:Determination of silicon dioxide content—The silicomolybdenum blue spectrophotometry and sodium hydroxide titration
锡精矿化学分析方法 第11部分：三氧化二铝量的测定 铬天青S分光光度法
Methods for chemical analysis of tin concentrates—Part 11：Determination of aluminium oxide content—Chromazuzal S spectrophotometric method
锡精矿化学分析方法 第10部分：硫量的测定 高频感应炉燃烧红外吸收法和碘酸钾滴定法
Methods for chemical analysis of tin concentrates—Part 10: Determination of sulfur content—High frequency combustion with infrared absorption method and potassium iodate titrimetric method
煤矿区煤层气地面抽采效果检测与评价
Specification for detection and evaluation of coalbed methane surface drainage effect in coal mine
铁矿石 钾、钠、钒、铜、锌、铅、铬、镍、钴含量的测定 电感耦合等离子体发射光谱法
Iron ores—Determination of potassium, sodium, vanadium, copper, zinc, lead, chromium, nickel, cobalt elements—Inductively coupled plasma optical emission spectrometry
铁矿石 钠含量的测定 火焰原子吸收光谱法
Iron ores—Determination of sodium content—Flame atomic absorption spectrometric method
铁矿石 钾含量的测定 火焰原子吸收光谱法
Iron ores—Determination of potassium content—Flame atomic absorption spectrometric method
铁矿石 分析样中吸湿水分的测定 重量法、卡尔费休法和质量损失法
Iron ores—Determination of hygroscopic moisture in analytical samples—Gravimetric, Karl Fischer and mass-loss methods
萤石 磷含量的测定 分光光度法
Fluorspar—Determination of phosphorus content—Photometric method
高炉和直接还原用铁矿石 体积密度的测定
Iron ores for blast furnace and direct reduction feedstocks－Determination of bulk density
铁矿石 低温粉化试验 静态还原后使用冷转鼓的方法
Iron ores—Low-temperature disintegration test—Method using cold tumbling after static reduction
铁矿石 钙含量的测定 火焰原子吸收光谱法
Iron ores—Determination of calcium content—Flame atomic absorption spectrometric method
多绳缠绕式矿井提升机
Multi-rope mine drum hoist
煤炭分析结果基的换算
Calculation of analyses to different bases for coal
煤和焦炭的固体残余物中全碳、可燃碳和碳酸盐碳的测定方法
Determination of total carbon, combustible carbon and carbonate carbon in solid residues from coal and coke
煤样制备除尘系统通用技术条件
General specifications of dust removal system for coal sample preparation
煤对二氧化碳化学反应性的测定方法
Determination of carboxyreactivity of coal
褐煤的苯萃取物产率测定方法
Determination of yield of benzene-soluble extract in brown coals
煤的热稳定性测定方法
Determination of thermal stability of coal