1Analysis and governance of air leakage law in goaf of shallow coal seam miningZHANG Daiyue, AI Zibo, LI PengThe 50th anniversary paper column1-6,332Application of laminated beam theory in stress analysis of composite roofWANG Tongxu, KANG ZhengqingThe 50th anniversary paper column7-123Study on the occurrence regularity and geological genesis of sulfur in coal in Yunquan mining area of Qinshui Coalfield, Shanxi ProvinceGUO Qiang, ZHANG PengThe 50th anniversary paper column13-184Local construction of multi-parameter integrated monitoring and early warning platform for rock burstLUO Tianmin, PANG Wei, LIU Xudong, YU Xiaohui, WANG Heng“Intelligent mine safety monitoring and early warning technology”special theme19-27,385Design of downhole CO gas monitoring system based on GA-PSO-BP hybrid optimization algorithmSUO Yanchun“Intelligent mine safety monitoring and early warning technology”special theme28-336Calculation of landslide early warning threshold in surface coal mine based on tangent Angle theoryZHAO Lichun, XU Changyou, LIU Yongjie, XU Yongchao, WEI Zonggen, QI Limin“Intelligent mine safety monitoring and early warning technology”special theme34-387Study on diffusion law of grouting slurry in single fracture under moving water conditionWANG Tianqi, ZHANG Changsuo, WANG Ziqi, ZENG FabinTest Research39-45,518Study on air leakage law of goaf under "one inlet and two return" ventilation in gob-side entry retaining working faceGUO Yanfei, HAO Dian, LI Xuechen, YI ShugangTest Research46-519Pressure relief gas drainage by directional drilling hydraulic fracturing in hard roofMA Yanyang, WU Jiaokun, FENG Renjun, LI LiangweiTest Research52-5610Study on the effect of temperature on the adsorption and desorption characteristics of methane in coking coal with medium metamorphic degreeWANG Siqi, ZHANG Ruilin, ZHOU YinboTest Research57-61,7811Experimental study on the effect of polypropylene fiber, glass fiber and slag on mechanical properties of cemented tailings backfillWU Shenghai, SONG Ling, YAO YafengTest Research62-67,8412Study on the effect and control of the pressure relief borehole on anchor cableCHEN Jinyu, WANG Shexin, JIA Jinhe, FU Yukai, SUN ZhuoyueTest Research68-72,9613Study on the characteristics of water mist and the technology of dust suppression and explosion suppression in pulverized coal preparation systemHUANG Zichao, XUE ShaoqianTest Research73-7814Study on prediction model of coal spontaneous combustion based on PSO-XGBoostZHOU Xu, ZHU Yi, ZHANG Jiuling, QIN Sijia, WANG YiboTest Research79-8415Study on geothermal extraction method and control factors of extraction effect in high temperature goafYAN Jinghong, WANG Fangtian, ZHANG Shaohua, ZHANG Yuan, HU Jianning, DIAO WangjieTest Research85-9016Influence of nozzle parameters on droplet range of the air-blast sprayerGONG Shuguang, SONG Qingzhuo, LIU Liming, GONG Jingzhong, HE YunchuApplication Techniques91-9617Research on hydraulic fracturing gas extraction technology for No.15 coal seam of Wulihou Coal MineMA Jinfei, FAN YongpingApplication Techniques97-100,11118Research and application of wind control and dust removal technology in rapid anchor excavation working faceQIAO Jinlin, SUN Liansheng, WANG JiaApplication Techniques101-10519Design and application of dynamic drainage scheme for Taiyuan formation limestone aquifer in working face floor of Shunhe Coal MineDAI Lei, DUAN Lihong, YANG Bin, ZHU HanjingApplication Techniques106-11120Comprehensive geophysical exploration and three-dimensional geological model construction of goaf in closed pit coal mine in Karst AreaTIAN Lang, CHEN Shiwan, WU Jiaoji, LI Jiahua, YU Qi, LI RenqiApplication Techniques112-117 