1Systematic analysis of production and efficiency factors of fully-mechanized mining in steeply dipping seam and research on precise strategy of promoting production and efficiencyYUN Dongfeng, LI Haonan, WU Yongping, HUANG Zhengping, YANG LinMining Science and Engineering1-102Study on working resistance distribution of support and resistance increasing char-acteristics of support partition in longwall face with ultra-large lengthLIN Xingyu, XU Gang, GAO Xiaojin, ZHANG Zhen, LIU QianjinMining Science and Engineering11-203Research on plugging mechanism and parameter optimization of long hole blastingYIN Zhongchang, SONG Junsheng, WANG WenhanMining Science and Engineering21-294Research on high-efficiency sealing material and technology of coal roof deep-hole pre-splitting blastingHU Yachao, XIONG Zuqiang, WANG Chun, WANG ChengMining Science and Engineering30-365Mechanical properties and damage characteristics of coal-rock combined samples under water-rock interactionCHEN Guangbo, LI Tan, YANG Lei, ZHANG Guohua, LYU Pengfei, TENG PengchengMining Science and Engineering37-466Movement of overlying rock and deformation law of surface well under multiple mining with large dip angleWANG Zhimin, LIANG Yunpei, ZOU Quanle, ZHANG Bichuan, RAN QicanMining Science and Engineering47-557Parameter control method of working slope passing fault in open-pit coal mineLIU Guangwei, HUANG Yunlong, CAO Bo, WANG Liang, ZHAO MeilingMining Science and Engineering56-658Open-pit mine slope optimization with the morphology and spatial support effectZHANG Yu, LIU Yu, YANG Yang, YANG Guohua, LYU Wenwei, LI GuangheMining Science and Engineering66-719Research on gas drainage borehole sealing material based on microcapsule technologyZHANG Chao, FAN Fuhuai, LI Shugang, ZHAI Cheng, JIANG Bingyou, YANG Puchao, ZENG XiangzhenSafety Science and Engineering72-7910Correlation analysis between characteristic temperature and microstructure of coal spontaneous combustionZHANG Yutao, YANG Jie, LI Yaqing, ZHANG Yuanbo, SHI XueqiangSafety Science and Engineering80-8711Fracture evolution of coal under uniaxial compression based on X-ray microscopic imagingYANG Qi, YU Yanbin, CUI Wenting, GAO Chengwei, ZHANG Xin, SHEN JialongSafety Science and Engineering88-9512Numerical simulation of coal surface contact angle based on roughnessZHANG Jian, XU Bo, WEI Jianping, ZHANG Pengyan, CAI Maolin, ZHANG KaixuanSafety Science and Engineering96-10413Hydrological characters of coal reservoir and their significances on coalbed meth-ane development: A reviewZHAO Xinyue, WEI Bo, YUAN Liang, GE Yanyan, HU Yong, LI Xin, WANG Maomao, JIA Chao, Mayila·AI SHAN, TIAN JijunEarth Science and Surveying105-11714Optimization of drilling system for CBM horizontal wells in Zhengzhuang Block of Qinshui BasinLI Guishan, YU Zhenfeng, YANG Jindong, SONG Xinya, GUO ChenEarth Science and Surveying118-12615Micro morphology and pore structure of macerals in coal observed by atomic force microscopy (AFM)ZHANG Xiaomei, WANG Shaoqing, CHEN Hao, DENG Jinsong, HUO LiqiEarth Science and Surveying127-13216Some thoughts and suggestions on the practice of water prevention and control in coal minesLYU Yuguang, QIAO Wei, JIN Dewu, LI Xiaoqin, LI JieEarth Science and Surveying133-13917The seepage law of confined water in floor of backfilling working face in Hanxing Mining AreaWANG Chunjuan, LIU Jiangong, WANG Jinxi, ZHAO Jiawei, WANG Yiying, SHI Yannan, YAN ShanfeiEarth Science and Surveying140-14818Geological structure recognition model based on improved random forest algorithmWANG Huaixiu, FENG Siyi, LIU ZuiliangEarth Science and Surveying149-15619Research on surface movement and deformation characteristics of loess gully landform in Northern ShaanxiSHI Guomou, ZHANG Lijia, HU Zhenqi, FU YaokunEarth Science and Surveying157-16520Research on local ventilation constant air volumeintelligent switching technology and its applicationLI Tuanjie, HUANG Weiming, PAN Weihua, DANG Lipeng, ZHU Deyun, GUO Wenfang, LI BoMechatronics and Intelligence166-174 