GB/T 31923.1-2015
高爐爐料用鐵礦石 低溫還原粉化靜態試驗 第1部分:與CO、CO2、H2和N2的反應
Iron ores for blast furnace feedstocks.Determination of low-temperature reduction-disintegration indices by static method.Part 1: Reduction with CO, CO2, H2 and N2
GBT31923.1-2015, GB31923.1-2015