1Prediction of Mine Gas Emission with Improved Particle Swarm Support Vector MachineMENG Qian, MA Xiaoping, ZHOU Yan1-52Simulation of Water Infusion in Deep Strip Working Face by High-pressure Gradual Splitting and Its Application in Stress ReliefZHOU Gang, YU Yanbin, WEN Jinhao6-113Experiment Research on Water-resisting Characteristics of Overlying Strata and Water-preserved Mining in Ecologically Fragile Mining AreaGAO Zhaoning, YING Zhizhong, LI Ming12-15,314Test Research of Hydraulic Fracturing for Loose Outburst Coal Seam in Wangjiazhai MineRAN Qiping, ZHAO Zhifa, BAI Xinhua, SHI Kun, SUN Mingchuang16-195Numerical Simulation Research on Movement and Impact Failure of Surrounding Rock in Isolated Working FaceCAO Jianjun, YI Enbing20-236Numerical Simulation of Down-flow Field Characteristics and Dust Distribution Law of Dust-control and Dust-removal System in Fully-mechanized Heading FaceCHEN Song24-277Design and Implementation of Mine Low-power Wireless Mesh NetworkWANG Fei28-318Design and Verification of Portable PM2 . 5 Detection CutterLI Zhengzhen32-34,389Research on Surrounding Rock Control Technology for Deep Inclined Narrow Pillar Roadway Driving along GobLI Xiushan, WANG Zhenwei35-3810Set-up and Application of Evaluation Model for Coal Seam Floor Water Inrush RiskZHENG Wei, WEN Guangchao39-4211Entropy Weight Extension Method for Spontaneous Combustion Risk Assessment of Residual Coal in GobWANG Jinbao, HOU Jinling, ZHANG Lang, SHU Longyong43-4812Numerical Simulation Optimization of Waste Filling Parameters in Mine RoadwayHE Xueke, GAO Qingchao49-5113Surrounding Rock Control Technology for Small Pillar Roadway Driving along Gob of Isolated Working Face with Thick Compound RoofZHAN Qinjian, CHEN Bin, HAO Guangsheng52-55,6014Study of Gas Concentration Prediction Based on Genetic Algorithm and Optimizing BP Neural NetworkLIU Yijun, ZHAO Qiang, HAO Wenli56-6015Application of Automatic Picking of First Arrival Time of Fuzzy Nesting Multilevel Median Filter Based on Combined Energy Ratio Method in 3-D Seismic Processing in Mingye Coal MineSUN Zhe, JIANG Weina61-63,6716Yield Mining Theory and Roof Control Technology at End-mining Stage of Fully-mechanized FaceZHENG Fangfei, SUN Zhongguang, LI Shaogang, YE Wentao, GUO Wei64-6717Comprehensive Analysis on Surrounding Rock Stability of Deep Soft Rock Roadway and Supporting PracticeNIU Jianchun, GAO Jiaping, ZHANG Shengjun, DING Yaheng, ZHU Shuyun68-7118Detection Method and Abnormal Characteristics Analysis of Mine Transient Electromagnetic Technique in Coal MineLIANG Qinghua72-7519Calculation of Permeability Coefficient Based on Underground Dewatering TestLIU Ji76-7920Research on Water-resisting Characteristics of Carbonate Rock on Top of Ordovician System in Longgu Coal MineRONG Huren, BAI Haibo80-83 