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[1]
Method of oxygen-enriched two-stage underground coal gasification[J]. Liu Hongtao~(a,*),Chen Feng~(a,b),Pan Xia~a,Yao Kai~a,Liu Shuqin~c a State Key Laboratory of Coal-Based Low Carbon Energy,ENN Croup Co.Ltd.,Langfang 065001,China b ENN Coal Gasification Mining Co.Ltd,Langfang 065001,China c School of Chemical and Environmental Engineering,China University of Mining & Technology,Beijing 100083,China.Mining Science and Technology. 2011(02)