1Study on fast networking technology of automatic drilling rig in coal mineWANG Qingfeng, WANG Xing, XIAO YuqingSpecial Theme of"Intelligent Drilling Technology and Equipment for Coal Mine Disaster Prevention"1-5,102Research on coal-rock interface recognition technology based on multi-source heterogeneous information couplingLI Yanming, SUN LihaiSpecial Theme of"Intelligent Drilling Technology and Equipment for Coal Mine Disaster Prevention"6-103Target tracker of drilling robot under low-illumination environment in coal mineYOU Shaoze, ZHU Hua, LI Menggang, TANG Chaoquan, JI Zeyong, DUAN YufengSpecial Theme of"Intelligent Drilling Technology and Equipment for Coal Mine Disaster Prevention"11-17,234Design and optimization of hydraulic semi-automatic rod loading device for coal mine drilling rigXIE JieSpecial Theme of"Intelligent Drilling Technology and Equipment for Coal Mine Disaster Prevention"18-235Development and application of automatic drilling rig for bedding in broken soft coal seamXIN Dezhong, TANG Min, LIU XiaohuaSpecial Theme of"Intelligent Drilling Technology and Equipment for Coal Mine Disaster Prevention"24-28,336Research on fast drilling technology of high-energy hydraulic hammer impact in super hard rockZHAO ZhiqiangSpecial Theme of"Intelligent Drilling Technology and Equipment for Coal Mine Disaster Prevention"29-337Analysis of effects of microstructure of tectonically-deformed coal on the CO2 and CH4 competitive adsorption capacitySHI Yu, YANG Xiaona, XUE Junhua, LI Shugang, YANG Meng, LIU YangSpecial Column for Young Scholars34-428Research and engineering practice of mining-induced pressure relief gas extraction of replacing roadway with borehole technologyTAO Yunqi, ZHANG Jianzhao, GUO Minggong, YU Hong, PAN RenjieSpecial Column for Young Scholars43-489Research on the technology and equipment of one-step holing with ?200 mm directional drillingYAN Baoyong, MENG XianghuiSpecial Column for Young Scholars49-52,5810Technology and practice of enhancement antireflection by hydraulic fracturing with flushing in deep coal seams with high outburst riskWANG Chaojie, YANG Hongwei, LI Xiaowei, WEI Mintao, GAO XiangyangSpecial Column for Young Scholars53-5811Study on seepage characteristics and visualization of coal and rock under coupled stress-strain-seepage conditionsJIANG Changbao, WEI Wenhui, LIU Xiaodong, WU JiayaoSpecial Column for Young Scholars59-63,7212Research advances and hotspot of methane management and control technology based on CiteSpace analysisJIA Guowei, XU Bang, SHAO ZhuangzhuangReview and Issue Discussion64-7213Current situation and development trend of environmental control technology in mine refuge chamberGUO Weishuang, ZHANG Zujing, WANG Kequan, LIU Lin, LAN JiangReview and Issue Discussion73-80,8814Feasibility study on distributed optical fiber monitoring of coal roadway roofDU Chuanwei, HU Tao, LI Yehong, WANG JiayuTest Research81-8815Study on the mechanism of AMD seepage on corrosion and permeability decline of fractured limestoneMO Yunchuan, ZUO Shuangying, FU Li, CHEN ShiwanTest Research89-94,10116Research on fracture shape of high stress roadway floorWEI Junqiang, XU Ying, FENG Zhao, LI Dexian, CUI Jiqiang, WANG XianlaiTest Research95-10117Study on surrounding rock control technology of gob-side entry passing through fault fracture zoneYIN Shuaifeng, LI Yaqi, LI Hao, SHI Songhao, REN YuxinTest Research102-10818Numerical simulation study on optimization of ultra-high pressure post mixed abrasive water jet nozzleLI Luyuan, ZHANG Xinghua, KANG JianhuaTest Research109-113,11819Study on the influence of multiple exhaust pipes on dust removal in fully mechanized excavation faceHAN Min, WANG Jianguo, WANG KangTest Research114-11820Effect of channel width on flame acceleration and deflagration to detonation transitionZHAO Yongyao, ZHANG YanminTest Research119-123,130 