1Highly Promoting Application of Mine Gas Drainage and MiningZHANG De-jiang1-32Discussion on Key Problems and Countermeasures of Fully Mechanized Mining Technology with High Mining HeightYUAN Yong, TU Shi-hao, WANG Ying, MA Xiao-tao, WU QiMining and Underground Engineering4-83Application of High Pre-stressed Complex Active Support System to Mining GatewayWANG Jing-yi, GE Sheng-wen, SUN LiangMining and Underground Engineering9-12,234Failure Causes and Support Countermeasures of Gateway in Seam with Close Distance to Other Seams in Qianjiaying MineWU Ai-min, ZUO Jian-ping, GUO Zhi-biao, LI Yue-chunMining and Underground Engineering13-16,1105Experiment on Water Injection Affected to Mechanics Features of Coal BodyLIU Zhong-feng, KANG Tian-he, LU Wei, GAO LuMining and Underground Engineering17-196Application of In-Pit Dumping with Compacted Foot Backfill Technology to Anjialing Surface and Underground Combined MiningZHANG Zhi-pingMining and Underground Engineering20-237Seam Geological Structure to Control Role of Coal and Gas OutburstLIU Yan-wei, CHEN Pan, WEI Jian-pingSafety Technology and Engineering24-278Mine Fire Disaster Control Based on Infrared Imaging TechnologyWEN Hu, MA Min, FEI Jin-BiaoSafety Technology and Engineering28-309Comprehensive Index Method to Prediction of Outburst and Critical Value AnalysisWANG Zhao-feng, CHEN Jian-zhong, YIN Jian-guo, YUAN Jun-wei, LI De-canSafety Technology and Engineering31-33,6210Matched Set Technology for Outburst Seam Group Mining Program and Gas Emission ControlCHENG Jian-sheng, ZOU Yin-hui, DONG Gang-feng, CHEN BinSafety Technology and Engineering34-3711Prediction of Coal and Gas Outburst Area in Changcun MineSHEN Zhe, FU Xue-hai, WANG Ke-xin, LIU Zheng, SHEN JianSafety Technology and Engineering38-41,8412Application of Coal Dust Prevention and Control with Deep Borehole Water Injection for Fully Mechanized Coal Mining FaceZHANG Mao-zeng, CHEN Xue-xi, MA Shang-quan, DONG HuiSafety Technology and Engineering42-44,813Outburst Mine Dust Comprehensive Prevention and Control Technology for No. 12 Mine of Pingdingshan Coal Mining GroupHUI Gong-ling, HAN Liu-shengSafety Technology and Engineering45-4714Definition, Connotations and Progress of Digital MineLU Xin-ming, YIN HongMachinery Electric and Automatization48-5215Technical Status of Domestic Electronic-Hydraulic Control System for Hydraulic Powered SupportLI Shou-binMachinery Electric and Automatization53-5616Present Status and Development of Mine Roadway Heading Technology and Equipment in China Coal MineWANG HongMachinery Electric and Automatization57-6217Innovation and Development of Completed Set Equipment and Technology for High Efficient Coal Mining Face in Underground MineWANG Guo-faMachinery Electric and Automatization63-68,10618Vectorized Technology of Ventilator Characteristic Curve GraphYANG Ying-di, ZHANG Guo-shu, QIN Ru-xiang, QIU Jin-weiMachinery Electric and Automatization69-71,12419Pin Shaft Connection Affected to Stability and Reliability of Hydraulic Powered SupportWEI Jing-sheng, REN Huai-weiMachinery Electric and Automatization72-7520Discussion and Research on Illumination Power for Non Power Frequency Transformer in Underground Coal MineLI De-jun, WANG Cong, WANG JunMachinery Electric and Automatization76-80 