1Experimental Research on Gas Seepage Characteristics for Outburst Coal Briquette Samples Under Constant PressureZHANG Chong, LIU Xiaofei, KONG Yanhui, CHEN Liang, WANG XiaoranTest·Research1-42Test and Application of Coal Seepage Characteristics Under the Condition of MiningXU Dongliang, WU Renlun, WANG Jilin, MENG Lang, ZHANG Yong'an, SUN Xiaoqi, QIAN YingjieTest·Research5-83Study on Coal Pore Structures and Its Isotherm Adsorption Properties in Guizhou Mining FieldsSHEN Zhonghui, LI Xijian, XU MingzhiTest·Research9-124Complete Mechanical Mechanism and Control Principle of Sharp Floor Heave in Deep Coal GatewayLIU Yaming, GAO Mingshi, LIU YonghongTest·Research13-165Research on Sensitive Indexes of Coal and Gas Outburst Prediction for Coal Uncovering Face of Zhaojiazai Coal MineSUN Wenbiao, SHANG ZhengjieTest·Research17-206Study on Coal Adsorbing Supercritical Methane Based on Adsorption Potential TheoryCHAI Lin, WU Shiyue, NIU YuTest·Research21-23,277Research and Application of Early Forecast Indexes for Coal Spontaneous Combustion at 011805 Working Face of Jinfeng MineZHAI Xiaowei, MA Teng, WANG Kai, YU Zhijin, LIU Yongshan, ZHOU DongTest·Research24-278Numerical Simulation of Coal Seam Water Injection Wetting Radius in Driving FaceLIU Lingsheng, LIN Menglu, JIANG Zhong'an, JIANG Qunliang, JIANG GuangxinTest·Research28-319Numerical Simulation Study on Fire Preventing and Extinguishing Technology by Dry Ice in Mined AreaGAO Yukun, LIU Fuxin, FU Mingming, HUANG Zhi'an, ZHANG YinghuaTest·Research32-3510Stress Evolutionary Laws of Retained Coal Pillar at Upper Layer in Forming and Recovering StageWANG ChunguangTest·Research36-3911Study on Pillar Width in Fully-mechanized Caving Section Based on Distribution of Deviatoric StressYIN Shuaifeng, HE Fulian, XIE Fuxing, ZHAO QifengTest·Research40-4312Evolution Laws of Abutment Pressure in the Period of Working Face Heading to Normal FaultGAO Lin, JIANG Jinquan, ZHANG Peipeng, WANG Pu, LIU YanqingTest·Research44-4713Influence of Different Laneway Sections on Coal Mine Refuge Facilities Borne Explosion Impact LoadLUO YiTest·Research48-5114Research and Application on Fracture Mechanism of Soft Rock Roadway in Longkou Mining AreaZHOU Jingkui, LIN JileiTest·Research52-54,5815Model Test and Numerical Simulation of Blasting Vibration in Open-pit Coal MineGAO Fuqiang, ZHANG Guangxiong, YANG JunTest·Research55-5816Influence of D/d and Terminal Tension on Bending Stress and Service Life of Steel Wire RopeYIN Jikai, LI Jishun, ZOU Shengyong, XUE Yujun, MA WeiTest·Research59-6217Hole-sealing and Gas Concentrating Technique for Bedding Gas Extraction Drilling Hole and Its ApplicationLIU Yanbao, XIONG WeiTechnology·Innovation63-6618Efficient Gas Drainage Technology Practice of Placing Screen Pipe in Borehole of Soft and Low Permeability Coal SeamZHANG Xule, LU JianshouTechnology·Innovation67-69,7319CO2 Fracturing Mechanism and Its Application in Floor Heave TreatmentZHANG Jiahang, ZHANG Xinghua, LI HaojunTechnology·Innovation70-7320Fire Preventing and Extinguishing Technology of Fully Mechanized Caving FaceWANG ZhiquanTechnology·Innovation74-76,80 