Determination of coal and gas outburst sensitivity index and critical value in Anshun coal mine蔡成功, 郭鹏435-439
Eliminating outburst effect and main influencing factors analysis of hydraulic flushing白国基, 张纯如, 蒋旭刚, 刘彦伟440-443
Provenance analysis of upper triassic series of Liushan basin曹高社, 杨启浩, 林玉祥, 高立祥, 邢娜娜, 陈俊侠, 俎新许, 徐光明448-453
Geological characteristics and genesis of gypsum deposits in Debuzhuang of Pingyi county of Shandong province闫贺龙, 司荣军, 马昭建, 杜显彪, 王小武454-458
Study on the related factors of the electric parameters of soft coalWANG Yun-Gang, WEI Jian-Ping, LIU Ming-Ju459-462
Discussion of old well re-examination method of Tai 1 gas reservoir in Daniudi gas field陈亚平, 王付斌463-467
Analysis of the present stress state in the hinterland of Daliang Mountain in Sichuan province丰成君, 陈群策, 吴满路, 赵金生468-474
Geological characteristics and ore-searching direction of Songligou gold deposit in Songxian county of Henan province辛志刚475-478
Study on the regionnal causes of collapse column in coal mine area of North China王首同, 白玉, 王恒, 陆鹿479-483