1Study on Process Parameters of Gas Permeability Enhancement by Hydraulic Fracturing in Coal-rock MassZHANG Chuanming, WU HourongTest Research1-42Experimental Study on Gas Desorption Law of Coal Samples in Different Fluid FieldsQI Liming, ZHAO Rong, LIANG Wei, LV ZhiqiangTest Research5-7,123Experiment Study of Pore Water Pressure Fluctuation and Influence Mechanism in Bottom Aquifer during MiningGAO XuetongTest Research8-124Study on Distribution Law and Control Technology of H2S Gas in Fully Mechanized Caving FaceLIU KuiTest Research13-185Research of Dust Removal Efficiency by Magnetized Water SprayLIU Zhichao, MA Sai, SONG WenyaTest Research19-216Impact of Different Fan Pressures on Airflow Reversal Induced by Gas PressureWU Zeqi, CHEN ZhuoTest Research22-25,297Influence of Water Content in Coal Dust on Measuring Results of Dust InstrumentsLI Shihang, LI Jianlong, ZHOU FubaoTest Research26-298Research and Design of Energy Self-supplying Mine Wireless Monitoring NetworkWANG FeiDevelopment Design30-32,369Build of Underground Refuge System Based on Geomagnetic Navigation and PositioningWANG Jinhua, LI Weiqiang, ZHANG Yajing, BAI YangDevelopment Design33-3610Ventilation Simulation System and Its Key Techniques Based on Electronic Mine MapTIAN Weidong, GONG LiangweiDevelopment Design37-40,4411Research on Transient Electromagnetic Synchronous Acquisition Technology with Semi-aviation Pilotless Plane Based on Signal PeakZHANG Xiaoyu, WU Yanqing, ZHANG Jun, XU YangchengDevelopment Design41-4412Measurement Method of Coal Wall Gas Emission Intensity in Coal Face and Its ApplicationWANG Zhiliang, CHEN XuexiApplication Techniques45-4913Safety Classification Evaluation and Application of Roof Accidents in China's Coal MinesDAI LinchaoApplication Techniques50-53,5814Application of MFOA-SVM in Coalface Gas Emission PredictionWANG Yanhui, LI Guoyong, WANG BingxuanApplication Techniques54-5815Coal Seam Floor Water Inrush Evaluation Model Based on Variation Coefficient Method and GIS Spatial AnalysisLIU Weitao, LIAO Shanghui, SONG Wencheng, XIE XiangxiangApplication Techniques59-6216Research on Extension Clustering Prediction Method for Coal Seam Floor Water Inrush RiskLIU Nianping, ZHAO Chunxia, WANG Hongtu, HU HuihuiApplication Techniques63-6617Bolt Supporting Technology for Mining Roadway in Carboniferous System Thick Coal Seam Based on OEDMGAO Feng, LIU BinApplication Techniques67-70,7518Comprehensive Research on Overburden Strata Failure Law during Backwater Slice Mining of Extra-thick Coal Seam in Gondwana strataYU Xueyi, GUO Wenbin, ZHAO BingchaoApplication Techniques71-7519Burial-depth Effect of Advance Abutment Pressure Distribution Law in Fully Mechanized Top-coal Caving Face of Shallow-buried Coal Seam with Thin BedrockLIU QuanmingApplication Techniques76-78,8320Application Study on Seam Water Infusion Effect Improvement by Sectional Infusion and Borehole SealingZHANG Jian, XU Ming, LIU Tao, ZHANG DiApplication Techniques79-83 