1Study on Numerical Simulation of Gas Seepage Regularity in Gob of Fully Mechanized Caving FaceTest and Research1-3,72Study on Numerical Simulation of Controlled Deformation in Partial Excavation with Waste FillingTest and Research4-73Study on Numerical Simulation of Permeability Increase by Long-hole Pre-splitting Controlled BlastCHENG Jian-sheng, GENG Yan-hui, HE QingTest and Research8-10,134Preliminary Study on Application of Microorganism Technique for Coal Mine Gas ControlTest and Research11-135Development of Mine Semiconductor Refrigeration and Dehumidification DeviceLIU Sheng, TANG YongTest and Research14-166Simulation Study on Distribution Regularity of Fore Abutment Pressure in Different Mining ThicknessTest and Research17-18,217Development of JTJ Coal Mine Fire-fighting Gel MaterialTest and Research19-218Pilot Study on Gas Explosion Propagation in Low-concentration Gas PipelineXUE Shao-qian, CAI Zhou-quan, LI Xin-jianTest and Research22-249Realization of Equal-stress Axial Ratio with FLAC3D and Its ApplicationHUI Xing-tian, DENG Kun, GA0 ZhanApplication Techniques25-2710Improvement of Nitrogen-making Process of Carbon Molecular Sieve Used in Coal MineCHEN Xiao-tongApplication Techniques28-30,3311Construction of Data Resource Sharing Standard 0f C0al Mine Safety SystemHAO Qin-xia, ZHA0 An-xin, LU Jian-junApplication Techniques31-3312Research an Application on Reinforcing Technique of Using Anchor Mesh to Support Retained Roadway with Irregular Coal Piliar in Mechanized Caving FaceApplication Techniques34-35,3813Numerical Simulation of Weakening of Hard Top C0al by Pre-splitting BlastGU Shuan-cheng, YU Yuan-xiang, ZHU BinApplication Techniques36-3814Research on Early Warning Method for Axial-flow Fan SurgeYANG LinApplication Techniques39-4115Design of Electromagnetic Compatibility of Mine Safety Monitoring SystemSHI Fa-qiangTechnical Experience42-4416Research on Gas Monitoring and Control Technique in Tunnel Passing through Coal Seam DistrictLU Chun-chang, WU Zai-shengTechnical Experience45-46,4917Study and Application of "Anchor Bolt and Shed" Support Technology for Pitching Coal RoadwayTechnical Experience47-4918Research and Practice of Support Technique for Soft Rock Roadway in Luling MineCAi Xiang-leiTechnical Experience50-5119Application of Prop Withdrawal Technology without Timber in Conventional-mechanized Coal FaceZHAO Feng, WU JunTechnical Experience52-5320Application of Combined Support Technology for Crosscut Passing through Soft Rock in Jinjia Coal MineREN Li-longTechnical Experience54-55 