1Analysis and control technology of roof subsidence in non-pillar gob-side entry retaining formed by roof cutting and pressure releaseZHU Zhen, YUAN Hongping, ZHANG Kexue, GAO YubingYouth Doctor Academic Column1-72Study on method to characterize fractal features of pore structures in coal and rock massYU Enxiao, MA Litao, ZHOU Fushuang, LI LinyiYouth Doctor Academic Column8-123Study on rapid excavation technology for hard rock roadway in coal mineLI Gang, NIU Lei, LI WenlongMining and Underground Engineering13-204Optimization of blasting parameters for rock burst coal seam based on pressure release and support couplingLIU Shaohong, PAN Junfeng, LIU Jinliang, SUN Liuwei, XIA Yongxue, DU Taotao, QIN ZihanMining and Underground Engineering21-295Study on occurrence mechanism of rock burst based on dynamic dilatancy of surrounding rockLI Pengbo, SONG Yang, HAN Xiangang, YANG QingMining and Underground Engineering30-356Study on prediction of acoustic emission time series of coal rock fracture under uniaxial compressiveJIN LingziMining and Underground Engineering36-427Research and application of directional long-borehole staged hydraulic fracturing technology for strong rock pressure in mineLUO Wen, YANG Juncai, GAO ZhenyuMining and Underground Engineering43-498Analysis on roof subsidence law and gangue load bearing characteristics in gangue filling goafZHANG Pengfei, ZHAO Tongbin, FU Zhiyong, TIAN Xiuguo, QIU DongweiMining and Underground Engineering50-569Study on reconstruction scheme and optimization of main coal flow transport system in coal minesBAO YongshengMining and Underground Engineering57-6210Recognization on high risk region of mine ventilation system in coal mine based on subgraph isomorphismYAN Zhenguo, CHANG Xintan, FAN Jingdao, WANG Yanping, ZHAO PengxiangSafety Technology and Engineering63-6811Study on coal and rock gas dynamics disaster prevention and control in deep mineLIU XijunSafety Technology and Engineering69-7512Study on influence of hydraulic flushed borehole on evolution law of coal reservoir permeabilityLIU Xiao, ZHANG Fan, MA GengSafety Technology and Engineering76-8113Study on early warning platform of turned over combustion based on oxidation and temperature rising law of coal pileYE ZhengliangSafety Technology and Engineering82-8714Method to estimate coal loss of spontaneous combustion in Wuda CoalfieldXU Youyou, GUO Guangli, LI HuaizhanSafety Technology and Engineering88-9215Study on reasonable arrangement of upper level drainage-way and determination of final roadway position in high gassy mineXU YongjiaSafety Technology and Engineering93-10016Research and application of drilling technology combined rotary with direction in soft-fragmentized coal seamLI QuanxinMachinery Electric and Automatization101-10617Kinematic analysis and simulation of 6-DOF manipulator of transfer-drill-pipe device for automatic rigLUO HuaMachinery Electric and Automatization107-11318Research on directional drilling technology of air srew motor in soft coal seamZHANG Jie, WANG Yi, HUANG Hanjing, WANG ChuanliuMachinery Electric and Automatization114-11819Research on key components of pump-suction coring drill with local reverse circulationCHEN Zongtao, LI Tao, FAN Yijing, HE Qiudong, DING Tao, XIONG WeiMachinery Electric and Automatization119-12520Water prevention and control technology for coal seam floor grouting with high horizontal-vertical ratio ground oriented horizontal holeAn XuliangMachinery Electric and Automatization126-132 