1Gas Initial Diffusion Coefficient and Its Influencing Factors in Coal ParticleZHOU Shiwei, ZHANG Yugui, LEI DongjiTest·Research1-42Experimental Study on Gas Desorption Laws of Loading Coal SampleCAI Yongle, YANG Xiaobin, CAI Binbin, LI QuanzhongTest·Research5-83Experimental Study on Characteristics of Coal Resistioity with Gas Adsorption-desorption ProcessDONG Dong, FENG Zengchao, ZHOU Dong, WEI Jianping, XUE WanglongTest·Research9-124Comparative Study on Isothermal Adsorption Curve of CoalLIU Shengdong, LIANG Yunpei, WEI Jintao, SUN Peng, DAI JiahuiTest·Research13-165Numerical Study on Gas Migration Laws for Gas Pre-drainage of Surface WellWEI Jianping, WANG Xiaochuan, YAO Banghua, WANG Yungang, CAI DonglinTest·Research17-206Research on Outburst Prediction Sensitivity Indexes of Coal Seam Under Thick Red BedsLIU Kun, CHENG Yuanping, WANG Liang, JIN KanTest·Research21-247Contrast Experiment Study on CO2 and C3F7H in Inhibiting CH4 ExplosionLI RunzhiTest·Research25-288Study on Description of Empirical Formula on Gas Desorption of Coal Particles in Low Temperature EnvironmentQI Chenjun, WANG Zhaofeng, XIE Ce, YUE Gaowei, LI XiaojunTest·Research29-329High Strength and Complete Bolting-grouting Support Mechanism and Technology Application in Deep Soft Rock RoadwayJIANG Jingping, HUANG Qingxian, WEI Xihe, YANG ZhanbiaoTest·Research33-3510Influence of Mining on Landslide Disturbance Under the Same Inclination of Coal Measure Strata and LandslideSUN Xueyang, YANG Xu, LI Pengqiang, HE Tuoping, LI Cong, WU JingfangTest·Research36-3911Development and Application of Creep Fracture Damage Constitutive Model for Fractured Rock MassWANG Tongxu, MA Qiufeng, QU Kongdian, ZHANG YangTest·Research40-4312New Calculation Method for Drilling Three-dimensional Connectivity Rate and Its Engineering ApplicationQIU Zhiqiang, GAO Mingzhong, LYU Youchang, WANG Man, XIE Jing, XU Xiaolian, ZHANG ZhaopengTest·Research44-4713Instability Mechanism of Seepage Argillaceous Roadway and Safety Control MeasuresJIANG Zuohan, LIU NaTest·Research48-5114Efficient Drainage Technology of Released Gas from Adjacent Layer at Working Face of Y VentilationPAN Fengmao, WANG Zhaofeng, CHEN Tao, LI ShoutangTechnology·Innovation52-5515Comprehensive Prevention and Control Technology of Spontaneous Combustion in Upper and Lower Gobs of Close Distance Coal SeamsLIU HuafengTechnology·Innovation56-5816Fire Preventing and Extinguishing Technology in End-mining and Withdrawal Period at Fully Mechanized Caving Face Under Complex ConditionsYANG GuiruTechnology·Innovation59-6217Fire Preventing and Extinguishing Technology at Fully Mechanized Caving Face of Three-soft Thick Coal Seam During Support Withdrawing PeriodZHOU Ping, FAN Xiangjun, SUN Ming, FENG Hui, HU Qintao, ZHAO XiaolongTechnology·Innovation63-65,6918Comprehensive Fire Prevention and Extinguishing Technology for Fully Mechanized Caving Goaf at Hard-to-extraction and Spontaneous Combustion Coal SeamZHANG Wenyu, ZHENG Jianguo, YU Guisheng, ZHAO Huaipu, YOU Guoqiang, JIN ChaoTechnology·Innovation66-6919Gas Drainage Technology in Adjacent Low-permeability Coal SeamHE Yuanyuan, XING YuzhongTechnology·Innovation70-72,7620Study on Design Types and Adaptability of Anchor TrussZHANG Shoubao, WANG Yu, YUAN Shuaiqi, XIONG Tingyong, YANG Peng, YANG Zhiqiang, YU GuangyuanTechnology·Innovation73-76 