1Study on Laws of Coal Adsorbing and Desorbing Gas and Microcosmic CharacteristicsWANG Lei, YANG Dong, YAN Junxin, KANG ZhiqinTest·Research1-42Study on Electric Potential Characteristics of Coal Fracture Under Uniaxial Compression and Gas Confining PressureLIU Shuaijie, LI Zhonghui, NIU Yue, YIN Shan, KONG Yanhui, CHEN Fuqi, WEI YangTest·Research5-83Research on Applicability of Supercritical Methane Isothermal Adsorption Model to Tectonic CoalTANG Runchi, WANG Jilin, CHANG Xixi, WANG Linjie, QI NingTest·Research9-124Influence of MgCl2 on Initial Oxidation and Secondary Oxidation of CoalDUAN Zhiyong, WANG FeiTest·Research13-15,195Experimental Study on Deeply Promoting Drainage by Gas Injection and Replacement in Boreholes at 1307 Floor Drainage Roadway of Zhaozhuang MineLIU Xiaohui, GAO HongTest·Research16-196Study on Strength of Hole Pretection by Casing for Large Diameter Drilling Extraction BoreholeLIU Chungang, SUN ZhenpingTest·Research20-237Experimental Study on Fracture Extension Range of Deep Hole Pre-splitting Coal Body by Carbon Dioxide Fracturing DeviceWANG ZileiTest·Research24-278Experimental Study on Mechanical Properties and Permeability Evolution Law of Coal-rock CombinationCHANG Yue, ZHANG Yaping, LI Jizu, WANG Xiangling, MA Liyun, LI YanTest·Research28-319Experimental Study on Power Producer of Duster with Pneumatic OrificeLIANG AichunTest·Research32-34,3910Experimental Study on Gas Production Discipline of Coal Low Temperature Oxidation Under the Condition of Methane AtmosphereYU Zhaoyang, YANG Shengqiang, HU XinchengTest·Research35-3911Similar Experimental Study on Hydraulic Characteristics of Mine Dustproof Water Supply NetworkHAN Shuo, JIANG Zhong'an, DENG QuanlongTest·Research40-4312Experimental Study on Point Hydraulic Fracturing in Low Permeability Coal SeamLIANG WenxuTest·Research44-47,5113Study on Pressure Release Mechanism of Pressure Releasing SlotWU Zheng, ZHANG Enqiang, QI Zite, LIU MengTest·Research48-5114Study on Difference of Gas Absorption Between Soft and Hard Coal with Different Grain SizesLIU Yanwei, PAN Baolong, ZHANG Jiaqi, LI YapengTest·Research52-55,5915Model Test on Lining Structure of Spray Steel Fiber Reinforced ConcreteXU Jin, YAO Zhishu, LI Zhenyu, ZHANG YingweiTest·Research56-5916Experimental Study on Reinforcement of Deep Soft Roadway by Using ACZ-1 Modified Grouting MaterialYANG Jiayi, YANG ShaokunTest·Research60-6417Experimental Study on Proportion Optimization of Construction Waste Paste Filling MaterialsLIU Yin, LU Yao, GUO Hao, CUI BoqiangTest·Research65-6818Comprehensive Control Technology of Coal Spontaneous Combustion in Close Distance Coal SeamsTANG HuiTechnology·Innovation69-71,7519Fire Prevention and Control Technology for Very Close Distance and Easy Self-ignition Coal Seam Group During Working Face Retracement PeriodYANG Yuanxun, ZHANG LingTechnology·Innovation72-7520Research on Separating Technology for Fire Area in the Boundary of Bandingliangta Coal MineLIU HuafengTechnology·Innovation76-78 