1Improving Ideological Recognition and Working Harder to Strengthen Promoting Mechanized Mining in Small-size coal MinePENG Jian-xun1-32Support of Technology Mining Gateway with Mining Dynamic Broken Surrounding Rocks in Wangzhuang Coal MineOUYANG Chang, BAI Jian-biao, WANG Chun-lei, YAN ShuaiMining and Underground Engineering4-73Analysis on Support Results of Different Pre-stressed Bolt/Anchor in Seam Gateway Along Goaf of Fully Mechanized Top Coal Caving Mining FaceWANG Qing-di, JING Hong-wen, WANG MengMining and Underground Engineering8-10,134Measurement and Application of Pressure Released Ring Zone in Surrounding Rock of Mining Gateway Island Coal Mining FaceHE Hu-jun, SUN Li-hui, YANG Ben-sheng, YANG Xing-ke, LIAN WeiMining and Underground Engineering11-135Roof Deformation Features and Procedure Control of Mining Gateway Under Weak Water Bearing ConditionXU Tian-binMining and Underground Engineering14-16,966Analysis on Stability of Supports in Coal Mining Face in High Inclined Seam of Guishan MineLI Zhi-chengMining and Underground Engineering17-20,237H-steel Bar Combined Shield Support Technology for Mining Gateway Seam with Soft Roof, Soft Coal and Soft Floor in Guhanshan MineAI Ke-zhongMining and Underground Engineering21-238Practices on Deep Borehole Blasting for Mine Roadway Heading in Hard RockHAO FeiMining and Underground Engineering24-26,309Gas Prevention and Control Technology with Hydraulic Pressing and Pushing for Fully Mechanized High Gassy Coal Mining FaceWANG Bai-shun, LI Shou-qinSafety Technology and Engineering27-3010Simulation and Analysis on Influence of Electromagnetic Field to Gas Flow of Coal-bodyYU Ben-sheng, HE Shi-chaoSafety Technology and Engineering31-33,3711Research on Comprehensive Spontaneous Combustion Prevention and Control Technology of Coal Left in High Falling AreaQU YangSafety Technology and Engineering34-3712Gas Drainage Technology with Borehole Through Protected Seam for Up Protective Seam MiningHUANG Xu-chao, MENG Xian-zheng, FU Kun-lan, LIN QingSafety Technology and Engineering38-4013Results Analysis on Safety Penetration Improvement Technology for Outburst Seam in Qinan MineLIAN You-hong, DENG TaoSafety Technology and Engineering41-43,4714Discussion on Prediction Model of Coal and Gas Outburst Area in Coal Mining FaceMU Quan-binSafety Technology and Engineering44-4715Study on Rational Borehole Space of Crossed Boreholes for Gas Pre-drainageSHANG Qun, YANG Zhan-wei, JIN Jian-weiSafety Technology and Engineering48-50,9316Numerical Analysis of Surrounding Rock Heat Radiation Influence Factors of Mine Wet and Moisture RoadwaySHI Lan, ZHANG Xue-boSafety Technology and Engineering51-5317Realization of Ventilation, Electricity and Gas Close Lock Function in High Gassy and Coal and Gas Outburst MineLANG QiSafety Technology and Engineering54-5718Performance Prediction Method of Gas Emission from Mining and ExcavationWU Jian-guo, CAI Kang-xuSafety Technology and Engineering58-60,7119Study on Uncertainty of Internal Supply Chain Within Coal Enterprises Based on EntropyWANG Xiao-zhen, ZHOU Mei-hua, HUANG Yan-boSafety Technology and Engineering61-64,7820Goaf Gas Control and Utilization Technology in Zhangji Coal MineWANG Kang-jian, LI Ying-hui, JIANG Dong-mingSafety Technology and Engineering65-67 