1Research on image super-resolution technology of coal mining faceMA Ying, LEI ShengSpecial Column for Young Editorial Board Members1-72Safety intelligent system and overall solution of mine intelligent safetyCUI Tiejun, LI Shasha, WANG XinyangSpecial Column for Young Editorial Board Members8-12,213Research and engineering practice of gas control technology system with hole instead of roadwayTAO Yunqi, KOU Jianxin, ZHANG Pengwei, LEI CongSpecial Column for Young Editorial Board Members13-214Research on the weakening effect on mechanical characteristics of hard sandstone with prefabricated crackZHANG Yujun, LI Youwei, XIAO Jie, ZHANG Zhiwei, LI JiaweiSpecial Column for Young Editorial Board Members22-30,385Study on sound wave characteristics of directional drill rods in coal minesYAN Baoyong, CAO Liu, WANG Guozhen, ZHANG XiaozeSpecial Column for Young Editorial Board Members31-386Study on spray dust removal of separated powder based on the movement characteristics of mine air flowLI Gang, JIANG Boyang, HU Fangqiang, MA Tao, GUO LiwenSpecial Column for Young Editorial Board Members39-46,557Study on the relative water-resisting performance of carbonate rocks at the top of the Ordovician Fengfeng FormationLIANG Qinghua, ZHAO Yaohua, CAO Jianjun, ZHU Haikun, SUN Wenyu, WANG Chunyuan, LI WenxinSpecial Column for Young Editorial Board Members47-558Research on the dynamic evolution law of gas and quadratic programming of air volume under the Y-shaped ventilation with three inlets and one returnLIANG Yunpei, GUO Yabo, LI Quangui, SUN Wanjie, LI Shang, ZHENG Menghao, WANG ChengchengSafety Science56-649Study on gas extraction characteristics of multi-branch directional long drillings along underground coal seamWANG Zhen, SHEN Kai, LIN GuilingSafety Science65-7310Study on gas explosion characteristics in a mixed environment of open-end rigid and flexible obstaclesCHENG GuojianSafety Science74-8111Experimental study on hydraulic fracturing crack propagation of coal-rock complex with different hole-interface distanceLIN Junqi, LIU Cheng, LI Liangwei, WU Wenbin, YAO Zhuangzhuang, NING Erqiang, QIN FengyuanSafety Science82-9212Research and application of slitting and slag discharge technology based on solid-liquid two-phase flow theory for borehole drilling along seamLU ZhanjinSafety Science93-9913Research on the influence of temperature and effective stress on gas seepage and deformation law of loaded coalSUN RuiSafety Science100-106,11514Research on stress analysis and application of rockbolt anchoring based on optical fiber monitoringWANG Yi, FAN Jinsong, XIAO Hai, YUAN Qiang, ZHANG Mengjun, ZHANG Dingding, HUANG Wenxiang, LI HongSafety Science107-11515Analysis and discussion on safety risks of low concentration gas combustionZHANG QunSafety Science116-122,12916Research progress of tectonic control on coalbed methane developmentZHENG Chao, CHEN Yue, LEI Wulin, JIANG Shengling, LIN YabingSafety Science123-12917Study on the subsidence influence law of isolated grouting for filling mining in adjacent working facesCHENG Yongxin, XU Dalong, WANG Chengzhen, WANG Quanming, YAO Sumeng, GU WeiMining Engineering130-13918Study on the differences of acoustic emission multichannel parameters for sandstone failure under different loading conditionsYIN Yong, YANG Wei, ZHAO Zhipeng, LI Zhenlei, LI Na, YANG Fei, LU AnliangMining Engineering140-14719Study on stress evolution law during coal winning of hanging wall working face of step faultLI Kang, ZHANG Wenxuan, WANG Xianglai, ZHOU Xiaoyu, DONG Jiaxu, CAO Anye, WEN Yingyuan, GUO WenhaoMining Engineering148-15620Study on mechanical evolution law of natural gas well casing under repeated mining of coal seamDONG Junliang, WANG Lin, ZHANG Shen, ZHAI Ruihao, WANG Zewei, SONG YuhangMining Engineering157-164 