1New technologies and new equipments of coal mine monitoringSUN JipingAchievements of Scientific Research1-52Research of health status evaluation method for large electromechanical equipmentLI Jin, ZHU Qiangqiang, FAN Xufeng, MENG Yang, CHEN Si'anAchievements of Scientific Research6-93Research of height of water flowing fractured zone of overburden strata in fully-mechanized top-coal cavingZHANG Hui, ZHU Shuyun, LI Xiuhan, LI Tao, MENG FanzhenAchievements of Scientific Research10-144Design of personnel positioning system of special coal mineWANG Wei, HUO Zhenlong, LING Yun, TAN DakeAchievements of Scientific Research14-175Application of join algorithm in coal mine safety productionHUANG Weili, LIU YingAchievements of Scientific Research18-206Design of pressure and temperature monitoring system of coalbed methane wellZHOU Xing, KONG Shanyou, DING Enjie, SHEN JianAchievements of Scientific Research21-247Establishment of intelligent pre-warning platform of mine gas geology and its applicationCUI Junfei, TANG HanyingAchievements of Scientific Research25-298Estimation method of state of charge of lithium battery for nodes of wireless sensor networkYANG Lei, YANG Yi, YANG Dongyong, GU DongyuanAchievements of Scientific Research29-329Status and development trends of mine main transmissionWANG JinhuaAnalysis Research33-3510Evaluation of application level of Internet of Things for coal mineLI Xiangong, LU Juan, WANG HaojiaAnalysis Research36-4011Study on fault diagnosis technologies of motorWANG Huizhong, XIAO Yingchun, ZHANG Ying, ZHU HongyiAnalysis Research40-4412Real-time fault monitoring technology for coal mine conveying beltWANG JianxunAnalysis Research45-4813Impact of obstacles on transmission efficiency of magnetic coupling resonant wireless power transmission systemTIAN Zijian, DU Xinxin, ZHU Yuanzhong, WANG JuanExperimental Research49-5314Facial contour extraction method of underground personnelNIU Yumei, CHEN Lichao, PAN LihuExperimental Research53-5715An early fault detection method of steel cord conveyor beltXIE Fei, ZHANG Xueying, QIAO Tiezhu, YANG YangExperimental Research58-6216Research of a data preprocessing method for near infrared spectrum of coalLI Ming, LI Cui, LEI MengExperimental Research62-6617Application research of borehole hydraulic fracturing technology for Linhuan Coal MineJIANG Qian, ZHANG RuilinExperimental Research67-7018Drill counting method based on improved Camshift algorithmDONG Lihong, WANG Jie, SHE XiangyangExperimental Research71-7619A non-destructive length measuring method for mine-used bolt or anchor cableZHANG Xiaobo, WU Yincheng, SUN Zhifei, HUANG ChunExperimental Research76-7920Design of an instantaneous monitoring system of mine roadway sectionLU Zhongliang, FU Teng, FU TongExperimental Research80-84 