Study on the puff transformation valve of three-phase froth pluggingMA Shang-quan, CHEN Xue-xi, LIANG Wei, LIANG Yu-long1-4
Quantitative Determination of Air-leakage in Gob AreaHAO Sheng-ai, ZHANG Zuo-hua, ZHAO Hong-mei, HE Jun-jie5-7
The prevention and control of the sandstone frature water in the roof in Liangbaosi coal mineCHE Hong-huan8-10
The Controlled Circle Ventilation on the Coal Face of Low Gas MineWEI Sheng-li, HAO Lin-shan, WANG Li-bing, HU Chuang-yi11-16
The Synthesization and Characterizations of BaTiO3 By Oxalate Coprecipitation MethodYAN Yu-qing, WEN Yu-gang26-28