The research on engineering application of producing acetylene throughcoal pyrolysis in plasma reactor is important for its industrialization.
煤等离子热解制乙炔工艺工程应用研究是该工艺产业化的重要方面。
2
It is the key to cut throughcoal seam safely and economically in highway tunnel construction that the fatalness of coal and gas outburst is predicted accurately.
在公路隧道揭穿煤层的施工中,揭煤突危险性的正确预测是安全、经济地揭穿煤层的关键。
3
Aimed at utilization of iron resources in pyritic slag, the study on production of metallized agglomerate with pyritic slag throughcoal based DR process was conducted.