1Technical development status and tendency of rescue robot in dangerous environmentGe Shirong, Zhu Hua1-8,212Design on intelligent control platform of mechanized mining robot based on Ethernet/IPHuang Zenghua, Nan Bingfei, Zhang Kexue, Feng Yinhui9-153Development and application of robot intelligent welding production line to hydraulic powered supportRen Huaiwei16-214Study on coal-rock interface recognition of coal shearer based on cutting infrared thermal image of picks22-275Automatic speed control system of mine belt conveyor based on videoTao Weizhong28-336Dynamics analysis on chain driving system of scraper conveyorZeng Qingliang, Wang Gang, Jiang Shoubo34-407Study on diagnosis technology of flying chain fault in scraper conveyorDong Gang, Ma Hongwei, Nan Yuantong, Ma Kun41-468Development status and tendency on digitalized drilling technology in underground coal mineZhang Jianming, Cao Ming, Chen Xiaoming47-51,709Study on remote control technology of mine rescue robot based on virtual realityZhang Xuhui, Dong Runlin, Ma Hongwei, Du Yuyang, Mao Qinghua, Wang Chuanwei, Xue Xusheng, Ma Kun52-5710Research and development on robot system of mine disaster rescue second grade information detectionZheng Xing, Zhang Gaofeng, Wang Hongqi58-64,13511Status and countermeasures of roof management in China coal minesYu Jianhao, Mao DebingMining and Underground Engineering65-7012Study on water conductivity features of mining cracks in watery overburden strataWang Wen, Dong Miao, Li Huamin, Huang ZujunMining and Underground Engineering71-75,8013Study on overburden strata movement law above near vertical super-thick seam and working resistance of powered supportXu Mengtang, Zhang Wei, Wang Xufeng, Liu Honglin, Guan Weiming, Zhou RuiMining and Underground Engineering76-8014Influences on key stratum movement to surface gas drainage (n)ole and borehole prevention countermeasuresWang Xiaozhen, Jiao Dianzhi, Ji Yingming, Han Hongkai, Wang WeiminMining and Underground Engineering81-85,14715Study on technology of gob-side entry retaining with hard roof in 1 000 m deep mineYao Yahu, Zhang QinghuaMining and Underground Engineering86-91,18016Study on mine strata pressure law of fully-mechanized coal mining face under coal pillars and goaf in contiguous seamsMining and Underground Engineering92-97,16917Study on rib spalling cause and control technology of high cutting island coal mining faceZhou Shixuan, Li HongbinMining and Underground Engineering98-10218Experimental study on water sensitivity of shear strength of extremely soft coal seamZhou Peng, Zhang BoMining and Underground Engineering103-10819Features and prevention countermeasures of major disasters occurred in China coal mineDing BaichuanSafety Technology and Engineering109-11420Experiment study on physical simulation of gas drainage effect under the condition of different gas pressureXu Jiang, Tang Xupei, Zhang Chaolin, Peng Shoujian, Feng Dan, Liu LongrongSafety Technology and Engineering115-120,186