1Characteristics of microseismic events and damage degree calculation method in kilometer deep fully mechanical longwall panelWANG Jiachen, TANG Yuesong, WANG Zhaohui, YANG Shengli, LI Zheng, ZHANG Xin417-4312Scientific connotation on the key location backfilling for carbon storage space reconstruction in the residual mining areaFENG Guorui, BAI Jinwen, CAO Guangming, HAN Yanna, MA Junbiao, WANG Pengfei432-4453Experimental study of competitive adsorption characteristics and mechanism of N2/CH4/CO2 mixture on coalLI Shugang, LI Zefan, LIU Peng, BAI Yang, YAN Min446-4564Mechanism and design method of dynamic pressure support for non-pillar mining with automatically formed roadwayYANG Jun, MIN Tiejun, WANG Yajun, LIU Ben, HOU Shilin, CHEN Kuikui457-4655Analysis of phased attenuation characteristics of elastic wave in coal measure strataLI Quangui, LING Faping, HU Qianting, LI Nan, JIANG Zhizhong, QIAN Yanan, LIU Ronghui, LI Wenxi466-4776Study on progressive failure mechanism and quantitative analysis of specimen containing the central hole subject to asymmetric loadZHAO Hongbao, JI Dongliang, CHENG Hui, LIU Shaoqiang, WAN Huhu, HUANG Yifan478-4917Energy dissipation and damage characteristics of lateral-restraint coal under impact loadJIAO Zhenhua, JIANG Yaodong, ZHAO Yixin, LIU Bin, YUAN Qiupeng, HUANG Zujun492-5018Development and application of a testing system for static and dynamic combined loading of rock-coal structuresFAN Yufeng, XIAO Xiaochun, DING Xin, XU Jun, WU Di, WANG Aiwen, LEI Yun502-5129Influence of coal deformation on calculation of gas isothermal adsorption capacity and model optimizationZHANG Zunguo, TANG Chao, CHEN Yi, ZHANG Chunhua, ZHANG Honghu, YUAN Xinli513-52610Method and parameters of hydraulic-driven mechanical drill for repairing the invalid gas extraction boreholeWEN Zhihui, YUAN Yongwang, ZHANG Tiegang, WEI Jianping, LIU Yong, WANG Jianwei, DAI Shuo, GUO Xinhui527-53911Experimental test and parametric analysis on flexural performance of laminated square tubular beams in steel box moduleCHANG Hongfei, HU Lei, SONG Xinyi, QIN Fuyang, AN Aichen, ZHANG Shaohua540-54912Mineralization and distribution of gold deposits in Gansu section of West Qinling metallogenic beltMA Dongyang, GUO Dongbao, NIU Yongjie, ZHANG Xiaolan, DAI Shuang550-56513Influence and mechanism of metal-organic complexes on flotation behavior of ilmeniteLU Xiaolong, GAO Huanzhi, LI Fang, WANG Hongbin, LUO Yangyong, CHEN Pan566-57514Combined morphology and dissociation characteristics of carbon-ash in fine slag of entrained flow gasificationSHI Xu, CHU Mo, DONG Jianfei, ZHANG Mengxia, YUAN Yifan, WANG Xinhong576-58415Iron extraction from Bayer red mud using chloridizing reduction roasting—low intensity magnetic separation with calcium saltsXIAO Junhui, ZOU Kai, ZHONG Nanlan, GAO Deqiang, LI Chengxiu585-59516DFT calculations on the adsorption of dodecylamine on surface of Fe2+-doped kaoliniteLING Yunjia, CHEN Jun, SUN Yu, CHU Xinxia, LU Fangqin, MIN Fanfei596-60617Rapid establishment and mechanism exploration of algae crust based on montmorillonite in semi-arid mining area with desertificationZHOU Keqiang, XIA Ling, SONG Shaoxian, YI Hao, WU Li, PENG Yonghe607-61418Segmentation method of concrete CT pore and cracks based on improved UNetHE Junyi, FENG Jiashen, JIAO Huazhe, LI Yuanhang, Wu Mengxiang, HAN Yijie615-624 