1Damage failure mode and parameter optimization of the connecting section of extendable grouting boltsLIU Shaowei, ZHANG Weiyu, HE Deyin1-92Research on optimization method for excavation sequence of deep chamber groupsZANG Jincheng, LI Donghao, ZHANG Lu, SUN Lingfeng, HUANG Yubing10-183Joint characterization of middle and low rank coal pores and fractures based on pressed mercury-nitrogen adsorption-nuclear magnetic resonance methodLIU Jiajia, ZHANG Yunlong, YANG Di, GAO Zhiyang, WANG Dan19-314Study on the coupling relationship between support and surrounding rock and the app-licability of support in shallow buried high mining faces of the Shendong Mining AreaWANG Wei, WANG Wen, ZHANG Guangjie32-415Experimental study on the complex electrical dispersion response characteristics of coal during hydraulic fracturingLEI Dongji, LIU Liying, JIA Ziqiang, LIU Ning42-506The Triassic climate and its evolutionary characteristics in Jiyuan area in south of North China Plate:Evidence from paleosol geochemistryYANG Wentao, FENG Wanying, ZHANG Hongyu, WANG Min51-607Application of SPAC method in dividing strata of the Quaternary strataLI Baochun, SUN Shaohuai, LI Guoping61-68,898Landslide susceptibility assessment based on machine learning and encoder couplingZHANG Mengmeng, LI Shaoda, WANG Xiao, LI Xinyue, DAI Keren69-809Calculation of borehole transient electromagnetic apparent resistivity and dip in anisotropic mediumZHAO Ning, ZHANG Zhaoaoji, JIANG Liming, XIAO Zhanshan, HU Haitao81-8910F-transport law in a coal mine goaf filled with gangue and its variations characteristics with Darcy flow velocityZHAO Li, JIA Xiangteng, ZHANG Qing, XU Feng, ZHU Kaipeng, KONG Weifang, XING Mingfei, JIN Yi90-9811Flow and heat transfer characteristics of microchannel with grooves structure on sidewallsZHU Qifeng, CUI Yang, ZHAO Tongle, WEN Xiaoping, SUN Haolei, HE Wenqiang99-10712A framework of partial discharge detection for gas-insulated switchgear based on LSTM and multi-head attentionYANG Zhengsheng, LIU Fang108-11513Interturn short circuit fault diagnosis method of direct-drive permanent magnet synchronous motor based on two-stage PNNGAO Caixia, FENG Lingyun, DANG Jianjun116-12714Research on dual motor synchronous control method for mining electric locomotiveFENG Gaoming, ZHOU Qingkai, TAN Xingguo128-13715Study on the parameters of the matrix NTRU cryptosystemLI Zichen, WU Qinghao, SONG Jiashuo, PENG Haipeng138-14416Research on the Raft improved algorithm for anti-Byzantine nodesWANG Xiaowei, LI Jie145-15317Study on the mechanism of water inrush disasters in overlying karst tunnels under damage-seepage couplingLIN Zhibin, LI Yahao, LIN Peizhong, ZHANG Boyang, YANG Dafang154-16318Stiffness analysis of partially-filled narrow steel box-UHPC composite beams under negative bending momentMO Shixu, CHAI Longjie, ZHENG Yan, HUANG Yijun, TAN Xinning164-17519Study on the horizontal bearing mechanism of stepped variable cross-section pilesZHANG Jianwei, YANG Sen, YU Lu, HE Shanlin, ZHANG Yan176-18520Mechanical analysis and material preparation of ultra-high-strength base asphalt pavementTAN Bo, ZHENG Gang, LI Qing, XIE Enlian, LIU Jingshuang186-194 