1Experimental Study of Methane-coal Dust Compound Explosion in a Closed TubeBI Ming-shu, LI Jiang-bo1-42Numerical Simulation of Gas and Ventilation Safety in Coal and Gas Outburst Process Simulation LaboratoryWU Xin, XU Jiang5-8,123Experimental Study on Failure Characteristics of Thick Overlying Strata in an Indian Coal MineKONG Hai-ling, WANG Lu-zhen, CHEN Rong-hua9-124Simulation on Releasing Characteristics of Cd, Zn and Cu in Soil Polluted by Acid RainGU Chang-hong, SHAN Zhen-xiu13-15,195Emulation Study on Flying Process of Air-boosting Carrier in Limited Mine SpaceZHANG Chun, TANG Shu-ming16-196Research on Failure Regularity of Overburden Rock in Process of Thick Seam Slicing MiningCHEN Xue-xing, LIU Wei-tao, ZHANG Pei-sen20-22,267Development of Machine-mounted Remote Gas Monitoring and Control System Based on ZigBee Wireless Transducer NetworkSONG Wen23-268Test Study on Treatment of Printing and Dying Wastewater with Modified Coal Gangue AbsorptionWU Jun-feng, YU Hai-jing, WANG Xian-li27-289Resource Utilization of Coal Ash as Fire Extinguishing Material29-3110Numerical Simulation Research of Bolt Support for Roadway with Friable RoofGAO Feng32-33,3711Key Technology for Coal Dust Control in High-output and Efficient MineGU Da-zhao34-3712Design of Hydraulic System of Outburst-prevention Remote-control Drilling MachineXIN De-zhong, CHEN Song-lin, WANG Zhi-hong38-40,4313Application of Fuzzy Evaluation and Classification Model in Mine Floor Water Burst Discrimination41-4314Study on Water Conductivity of Magmatic Intrusion Fault in Bucun MineBIAN Kai, XU Jin-peng, GUI Hui44-46,5015Study of Air Flow and Gas Migration Law in a U-Shaped Fully Mechanized Caving Face47-5016Experimental Study on Subsidence Reduction by Ground Grouting Fill during Coal MiningXU Jing-li51-52,5517Study on Blocking-up Water Grouting Technology for Coal Roadway in H2S EnvironmentLI Jin-hua53-5518Analysis on Gas Drainage and Extraction Technology of Huangling No. 2 MineHUO Chun-xiu56-58,6219Practice of Using Ground Radon Measurement Method to Detect Underground Fire Area Distribution59-6220Research and Practice of Operation-state Real-time Monitoring System for Thickening Tank of Sihe Coal-preparation PlantGONG Gu63-65 