1Study on the Equilibrium Point of Coordinated Control of Gas and Fire in Fully Mechanized Goaf with High Gas ContentJIA Baoshan, LI He, WAGN Peng, WAGN Yuan, HU Haiyong, ZHAO HaiboTest Research1-72Effect of Coal Particle Size on Pore Structure Characteristic and Gas Adsorption CharacteristicLI Shugang, ZHANG Xiaoyu, YAN Min, BAI YangTest Research8-12,163Experiental Study on Stress and Strain Characteristic of Gangue Filling MaterialLIU PengliangTest Research13-164Study on Measurement and Change Law of Wind Speed in Cross Section of Coal Mine Ventilation RoadwayZHANG ShilingTest Research17-205Study on Prevention and Control of Small Coal Pillar Rock Burst by Roof Deep Hole BlastingSU Zhenguo, DENG Zhigang, LI Guoying, MA Binwen, LI ShaogangTest Research21-25,296Influence of Vacuum Chamber Thickness of Weak Panel Material on Gas Explosion SuppressionMIAO Menglu, HU Chengzhou, JIANG ShuguangTest Research26-297Study on Distribution Law of Gas Leakage Fissure in Shallow Thick Coal Seam MiningLI Jianwei, YAN Yongle, ZHAO Yajie, LIU Changyou, ZHAO JieTest Research30-348Numerical Simulation Study on Influence of Geostress and Reservoir Pressure on Ground CBM Pre-extractionJIANG WangangTest Research35-39,449Experimental Study on the Inhibition of Coal Spontaneous Combustion with Compound Inhibitor by FTIRXU Hongying, MIAO Menglu, CHEN PengTest Research40-4410Similar Simulation Study on the Law of Mining Pressure in "Three Soft" Coal Seam near the FaultXIE Xiaoping, HUANG Yuqi, HU CaimengTest Research45-4811Research and Application of Electromagnetic Wave Multi-frequency Synchronous CT Detection Technology in Gas Enrichment Area of Coal MineLIU BaixiangApplication Techniques49-5312Evaluation Model of Uncertainty Measurement on Occupational Hazard in Coal MineWANG Ming, DENG Quanlong, TIAN Dongmei, ZHANG WenzhongApplication Techniques54-58,6313Study on the Influence of Low Concentration Gas Source Quality on Gas Generating SetXU HuijuanApplication Techniques59-6314Study on Safety Design of VAM Thermal OxidationZHANG QunApplication Techniques64-67,7215The Risk Assessment of Roof Water Inrush based on Cluster Analysis and Fuzzy Comprehensive EvaluationJI YadongApplication Techniques68-7216Design and Application of the Inter-frame Ejector based on Negative Pressure Induction TechnologyLI Humin, YANG JunleiApplication Techniques73-76,8117Study on Comprehensive Dust Control Technology of Coal Cutting against the Wind in Coal Ming Face with High Dust IntensityLIU YongTechnical Experience77-8118Technology of Uncovering Coal and Outburst Prevention in Hengdong Work Area of Tianping TunnelTIAN WeidongTechnical Experience82-8619Category of Microseismic Signals and Time-space Analysis of Microseismic Event in Liyazhuang Coal MinePENG MinghuiTechnical Experience87-9120Permeability Enhancement Technology of Hydraulic Fracturing of Bedding Drilling Borehole in Outburst Coal SeamGAO Song, MOU Jingshan, YANG HuimingTechnical Experience92-94