对煤层气在煤岩中渗流机理的认识的深入程度将直接影响到对煤层气的有效开发利用。
How much we know about the storage and seepage of coal gas will determine whether we can make effective exploitation about it.
为合理利用硫酸烧渣中的铁资源，进行了煤基直接还原生产金属化团块的研究，提出了润磨造球-预热焙烧-磁选-冷固结成型的新工艺流程。
Aimed at utilization of iron resources in pyritic slag, the study on production of metallized agglomerate with pyritic slag through coal based DR process was conducted.
如何利用煤直接液化残渣对液化技术商业化应用的经济性有重要意义，是煤直接液化技术商业化应用中亟需解决的课题之一。
How to utilize the residue is a urgent one among tasks and has significant economical efficiency for Direct Coal Liquefaction is commercialized.
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