1Research on development height of water flowing fracture zone of working face 22611 coal mining working face in Guandi coal mineYIN Shangxian, GUO Junzhong, WANG Jiancheng, JIANG Tao1-82Surface deformation prediction algorithms and system development for repeated mining on large scale and multiple working facesQIN Hongyan, TI Zhengyi, OUYANG Zhenhua, WANG Haidong, LI Xuebing, PENG Rui9-143Study on support technology of the no roadside filling supporting of the gob-side entry retainingSHI Jianjun, FENG Jicheng15-194Determination of Critical Water Bursting Coefficient of Tuanbai Coal MineZHAO Liuhui, LI Zhe20-255A comparison of trace element leaching behavior from coal and coal measure strata rock in the Xuzhou-Datun coal mine districtSHAN Yao, GAO Linsheng, GUO Jinzhong26-30,576Study of Industrial Experiment of Fine Coal Beneficiation Using Hindered Fluidized Bed with New InternalsTANG Ligang, YU Zhaoyi, CHEN Gupeng, WANG Bangmeng, DONG Keyu, ZHANG Jialu31-367Experimental study on the proportion of filling materials and its engineering application in an iron oreLIU Xiaohui, YAO Jian37-428Application research on accident classification based on fuzzy evaluation systemREN Qiang, CHENG Genyin, YANG Wenguang43-469Study of big data technology in accident prevention predictionYANG Yuejiang, TIAN Liqin, LAN Yun47-5110Experimental analysis of heating characteristics of solar assisted air source heat pump systemLV Chuang, ZHANG Yuhan, WEI Yixuan, WEI Jun, WU Jinshun, ZHANG Wenye52-5711Research on the selection and calculation method of IGBT driverCHEN Haiyu, ZHANG Quanzhu, LI Yuanhong, DENG Yonghong58-61,8112An adaptive precision current measurement correction algorithm based upon multi-pointsSONG Yanjun, GU Tao62-6513Study on installation and testing technology of K2 type large-diameter ductile cast iron pipeWANG Xinfa, ZHAO Lei66-7414Pinning synchronization of delayed discrete dynamical networksCHENG Ranran, YU Weibin75-8115Design and Implementation of Network Public Opinion Monitoring Based on Big Data News Website Text MiningLIANG Yongchun, JIAO Wenqiang, TIAN Liqin82-87,9216An Empirical Study on China's Economic Growth and Inflation Based on VAR ModelSHANG Hua, MA Xiaoyue88-9217Evaluation of heavy metal pollution in surface soil of farmland in Fengfeng coal mine collapsed area based on standardized methodWANG Menglu, HAO Chunming, LI Songdong, SUN Tao, SHI Xuelin, ZHAO Weiling, XUE Binying93-98,11318Study on the distribution characteristics and pollution evaluation of heavy metal elements in water bodies in Chaobai river (yanjiao section)ZHAO Yu, HAO Chunming, ZHAO Duan, WANG Qingyu, Dong Yingbo99-10519Research on supervision mode of mine rescue team based on multi-center theoryZHANG Yangyang, MA Hanpeng, LIU Kai, WANG Yumeng, YAO Rongrong, FAN Chunjiao, HUANG Jiguang106-11320Study on Campus Safety Supervision and Hidden Hazard Inspection System Based on AndroidZHANG Jinggang, LI Junru, YUE Hao, XIANG Xiaojuan114-119 