1Research and Application of Stress-Seepage Relationship of Coal in Heading Face of Liangbaosi Coal Mine under True Triaxial TestGUO Yangyang, SUN Lulu, WANG Pengfei, FENG RuxunTest Research1-52Research and Analysis of Geomagnetic Matching Based on GRPM Underground PositioningWANG Jinhua, GUO Yunfei, WU Bing, ZHANG BoTest Research6-103Influence Experiment and Simulation Study of N2on the Maximum Explosion Pressure of CH4in the Limited SpaceJIA Baoshan, XIAO Minghui, WANG Liancong, LI ShouguoTest Research11-14,204Study on the Acoustic Emission Characteristics in the Rupture Process of Medium Grain Sandstone with Natural Structural PlaneLI Huigui, LI Huamin, LI Changxing, CHEN ShanleTest Research15-205The Effect of Temperature and Stress on Permeability and Damage Characteristics of Clay RockFU XiaofengTest Research21-256Degradation of Coal and Adsorption of Methane by Methanotrophs in Simulated Row Coal Occurrence EnvironmentPAN SidongTest Research26-297Simulation and Study on the Movement Law of Surrounding Rock in Jinhuagong Coal MineSU Tao, LIANG Bing, LI Gang, WANG Beifang, MOU Tiechao, ZHANG TaoTest Research30-358The Erosion Crack's Influence on the Efficiency of Separation of Cyclone SeparatorXIONG Pan, YAN Shuguang, CHEN Xiyang, WU Lang, KONG Can, NING JiangfengTest Research36-39,489Development and Application of a True Triaxial Shear Seepage Test SystemWANG Pengfei, WANG Gang, LI Wenxin, LIU ZhiyuanApplication Technology40-4310Drainage Test of CBM Ground Well in Mining Stability Area of Songzao Coal MineLI RifuApplication Technology44-4811Research on Prediction of Coal Spontaneous Combustion Based on KPCA-Fisher Discriminant AnalysisWEN Tingxin, YU Feng'eApplication Technology49-53,5812The Mechanism and Prevention of Rock Burst Induced by Thick and Hard Roof BreakageGUO LiApplication Technology54-5813Construction of Sharing Platform for the Gas Emission Rate Prediction Based on Source PredictionQI Qingjie, XIA ShiyuApplication Technology59-6414Development and Application of Fixed Length and Location Hole Sealing TechnologyYAN Benzheng, TAO Yunqi, WANG Hongpan, ZHANG JunboApplication Technology65-67,7115Application of Tomography in Transmission Channel Wave to Detect Concealed Structures in Working FaceDUAN TianzhuTechnical Experience68-7116Study on Water-Richness of Roof Sandstone Based on Hybrid Kernel Function Support Vector MachineZHANG Liangliang, SHI Yongkui, LI JunyongTechnical Experience72-7617The Test and Application of Bolt-mesh-anchor Support in Deep Buried Soft Rock Coal RoadwayZENG JinTechnical Experience77-8018Research on Permeability Variation of Floor Strata under Coal MiningHU BaoyuTechnical Experience81-83,8919Analysis of Power Support Jammed and Roof Falling at Remove Stage in Fully Mechanized Working Face with Height of 7.0 mTechnical Experience84-8920Development and Performance Test of Metal Fiber Flame Arrester in Drawer TypeCHEN Yutao, ZHANG Mingming, PANG JinlunTechnical Experience90-92