铁矿石 交货批水分含量的测定
lron ores-Determination of the moisture content of a lot
检测标准
铁矿石 评定品质波动的实验方法
Iron ores-Experimental methods for evaluation of quality variation
铁矿石 比表面积的单点测定氮吸附法
lron ores-Single-point determination of specifie surface area-Nitrogen adsorption method
铁矿石和直接还原铁粒度分布的筛分测定
Iron ores and direct reduced iron-Determination of size distribution by sieving
高炉炉料用铁矿石 热裂指数的测定
铁矿石校核取样偏差的实验方法
lron ores-Experimental methods for checking the bias of sampling
铁矿石校核取样精密度的实验方法
Iron ores-Experimental methods forchecking the precision of sampling
海岸带综合地质勘查规范
Code of comprehensive geological exploration and survey in the coastal zone
煤矿瓦斯抽采基本指标
Basic index of coal mine gas drainage and exploition
煤矿低浓度瓦斯管道输送安全保障系统设计规范
Code for security system design of low concentration gaspipeline transportation of coal mine
