1Study on distribution law of supporting pressure and plastic zone of coal pillar in strip miningGU Shuancheng, YANG Chaofan, WANG Pan, NIU HongxinTest Research1-62Numerical simulation on multiphysics field distribution characteristics of coal and gas outburstCAO Jie, ZHAO Xusheng, LIU YanbaoTest Research7-113Experimental study on double-cycle grouting reinforcement of loose and fractured surrounding rockLIANG Xiaomin, HAO BingyuanTest Research12-174Study on the influence of gas pressure on the propagation of coal and gas outburst shock waveJIANG Anfei, SUN Dongling, LIU Yanbao, CAO Jie, YANG Xuelin, DAI LinchaoTest Research18-225Study on the law of drainage range and flow of surface well in mining areaHU Jun, DU Zijian, SUN Haitao, FU Junhui, LIU YanbaoTest Research23-27,326Numerical simulation of shallow buried contiguous seams mining under karst conditionDU XuelingTest Research28-327Study on anti-adhesion technology of wet dust collector of sprayerDING Zhiquan, LI Dewen, XIE JunshengTest Research33-36,438Study on surrounding rock control of 15106 return airway in gob-side entry driving of Wenzhuang Coal IndustryHOU Yujun, SI Lujun, YIN HongTest Research37-439Study on the influence of the extraction rate of highly-located drainage roadway on compound disaster prevention in goafWANG Hongmei, JIN Zhupeng, ZHAO Shanyou, LI Junzhi, ZHAI Guangshun, HOU FengjunTest Research44-48,5410Study on the determination method of the height of caving zone in fully mechanized caving faceZHANG Feng, CHE Yuheng, TI Zhengyi, QIN Hongyan, LI JiazhenTest Research49-5411Simulation study on filling wall width of gob-side entry retaining in longwall faceGAO YulongTest Research55-60,6512Research on dust control technology of dry directional drilling in soft-fragmentized coal seamWU Dongmei, GONG Xiaobing, LU Ke, XING PengchaoTest Research61-6513Study on the wettability of coal dust suppressantsGUO Wangyong, JU Zhenfu, JIN Xin, WU Liusuo, LU Yuying, YANG Jingfeng, LI Peng, XU Zeqiang, ZHANG JianchengTest Research66-7014Study on the distribution of plastic zone of borehole under the combined action of slitting and fracturingZHOU Yingjiang, LIU Huaifu, WANG Youqing, ZHANG Yongjiang, XU ZunyuApplication Techniques71-7515Study on the hole arrangement of hole release pressure support materialsZAHNG Bo, LI Yanbin, WEI Qingliang, GU PanApplication Techniques76-80,8616Study on the distribution law and application of negative extraction pressure in bedding boreholeWANG Kai, ZHAO Xusheng, LI ShugangApplication Techniques81-8617Research on discrimination of mine water bursting source based on factor analysisZHU Jingzhong, LI Ling, YANG SenApplication Techniques87-91,9618Design and application of heat pipe self-balanced ventilation thermal energy systemWANG Kanhong, ZHAO Dongxue, LUO Jinghui, LIU HuanApplication Techniques92-9619Design and application of exhaust ventilation and dust removal system in driving face of rock roadwayGUO Fenchao, YANG Tong, YANG Junlei, MO JinmingApplication Techniques97-100,11120Study on the air quantity of mine ventilation network based on BP neural network prediction model of friction resistance coefficient in roadwayLIU YanqingTechnical Experience101-106 