1A Review of the Research Progress of Safety Planning in China's Chemical Industry ParksKANG Rong-xue, HU Yan-kang, SONG Zhan-bing, CHEN Peng, CHEN Bo-feng1-72Study on Stress State of Stope Surrounding Rock in Fully Mechanized Top Coal Caving Working Face Passing by Graben StructureSHI Hao-yu, TIAN Duo8-143Point Load Test Research on the Coal and Rock Mechanical Parameters in Collapse ColumnXU Hai-tao, WANG Xu-ming15-184Study on fault structure of Xuchang Coal MineSHAO Xiao-peng, XU Xu-dong, NAN Ying-hao19-23,515Research on Establishment Method of Mine Water Source Identification Model Base Based on Artificial IntelligenceYIN Ning-bao, HAO Jun, YU Sheng-chen24-286Research and Prevention and Control of Coal Seam Floor Water-irruption Prediction Based on PCA and BPWANG Ru-Meng, WANG Shao-Qiang29-337Research and Application of Waterproof Coal Pillar in Deep Fault in Linxi Mine of KailuanLI Hong-en34-388Treatment practice of high temperature area of broken coal pillar in coal mine at 31303 working face of Chahasu coal mineRUI Guo-xiang, ZHANG Jin-shan, XI Xiao-bin39-419Research on the water richness detection in the collapse colmnn area of lDayang Coal MimeNAN Ying-hao, XU Xu-dong42-4610Modeling and application of MATLAB to the float-and-sink test data of raw coalGUO De, ZHANG Hao47-5111The Three Phase Coordinate System Modeling of Permanent Magnetic Synchronous Motor Based on MatlabCHEN Wen-zhuo, JIN Wen-tao52-5612The influence of ablation threshold caused by the change of reflectivity in Multi-pulsefemtosecond laser ablationHU De-zhi, WU Jin-sui57-6113Performance of solar assisted air-source heat pump in winterCUI Xiao-yue, ZHANG Wei-jie, JIN Hao, TAN Hong-yan, ZHANG Yu-han, WU Jin-shun62-68,9214Influence of deep foundation pit excavation on adjacent buildings and tunnelsZHANG Jun, ZHAO Shao-fei, ZHANG Zhi-ke, HUANG Gang69-7415The Change of Technical code for steel structure of light-weight building with gabled frame and Its Example AnalysisYUAN Xia75-8116Design of Auxiliary Converter Control System for Electric Locomotive Based on CAN BusZHANG Quan-zhu, LI Yuan-hong, DENG Yong-hong82-8517Design of the environment monitoring system for integrated building based on LabVIEWJIN Wen-tao, LIU Jia, LIU Yong-tao, XIA Xu-hong86-9218Application of Trust-based Access Control Model in Coal Mime Enterprise Management SystemWU Ze-nan, TIAN Li-qin, WANG Zhi-gang93-9719Research on energy saving strategy of wireless sensor monitoring system based on data compression technologyYANG Tao, TONG Ying-hua98-10220Prediction Modelling of Optimized Gray-linear Regression Model Based on RBF Neural NetworkZHAO Ya-hong, HAO Yan-jin, DING Jian-chuang103-106 