1Analysis of enhanced permeability and gas displacement in coal reservoirs by hot flue gasLIN Baiquan, SHI Yu, LIU Ting, HUANG Tao4877-48962Evolutionary patterns of cracking and damage due to anti-reflection of controllable shock waves at the roof of loose and low-permeability coal seamsQIAO Guodong, LIU Zegong, GAO Kui, ZHANG Yongmin, ZHAO Youzhi, LI Yongyuan, FU Shigui, ZHANG Jianyu, WANG Zi, YANG Shuai, ZHANG Xin4897-49143Research and application of key technologies for air jet drilling pressure relief in soft coal seamsLIU Yong, ZHANG Wending, CHEN Changjiang, ZHANG Huidong, XU Xiangyu, YANG Tao, ZHAO Qiqiang, KONG Dezhong, MENG Feihong4915-49274Effect of internal vortex structures in nozzles on energy conversion efficiency of self-excited pulsed SC-CO2 jetsWEI Jianping, JING Gangxia, LIU Yong, ZHANG Huidong, GAO Mengya, LI Xiang, LI Shiyan, CHEN Changjiang4928-49395Behavior of coal failure and permeability characteristics caused by liquid CO2 phase change fracturingLI Zhao, NI Guanhua, FU Zhenglin, GONG Li, SHANG Yuanmeng, CUI Yingxue, LI Moyu4940-49546Characterization method and parameter analysis of multi-hole liquid CO2 flash boiling jet morphology during coal seam drilling processLIU Wenchuan, ZHANG Zhuoya, TANG Jiren, CUI Jiawei, ZHANG Huidong, LU Yiyu4955-49687Investigation of multifractal features in coal pore-fracture network evolution induced by cyclic cryogenic liquid nitrogen shockWEN Hongda, ZHAI Cheng, XU Jizhao, SUN Yong, WANG Yu, XU Hexiang, SUN Peiqin, YU Zijian, WEN Jian4969-49858Research on cross-interface behaviors of tension fractures at coal-rock interfaceLI Xianzhong, HAO Shigang, HENG Shuai, LI Zhenhua, WU Tao, DU Feng4986-50009Multi-field evolution laws of overburden rock in ultra-close multi-seams pressure relief mining and"blocking-reducing-controlling"synergistic control technology of gasLI Kang, HU Guozhong, ZENG Duanwu, XU Jialin, YANG Nan, QIN Wei, ZHU Jiaxin5001-501610Energy characteristics of impact-induced stress waves and their damage effects on coalWANG Zeqi, MA Yankun, CHEN Kuikui, LI Bo, CHENG Zhao5017-503111Effect of metal chelating agents on crack self-healing and mechanical properties of cement-based sealing materialsSI Leilei, WANG Yinghui, WEI Jianping, KONG Yadong, ZHAO Tongyu, SUN Feiyang, WANG Zhiming5032-504212Mechanical properties and impact resistance mechanism of anchor bolts under dynamic-static coupling conditionsWANG Qi, XU Shuo, JIANG Bei, LIU Jingxuan5043-505313Step change mechanism of static mechanical response of coal-rock in stope under structural transient excitationLUO Shenghu, TIAN Chengyang, YAN Zhuangzhuang, WU Yongping, XIE Panshi, HAN Gang, WANG Tong, SUN Mingming, WANG Hongwei, GAO Xicai, LANG Ding5054-506714Electrical response and dynamic monitoring of overburden failure in thin bedrock working faceZHANG Jun, LIU Shengdong, YANG Cai, CHEN Ge, FANG Jinwei, DONG Ya5068-508115Experimental research on the seepage characteristics of water-sand flow in crushed sandstone of the coal mine collapse-type water inrush and sand gushingZHANG Boyang, WENG Yingkang, LI Zhenhua, LIN Zhibin, WANG Wenqiang, SONG Weiya, REN Hao5082-509316Enrichment characteristics and controlling factors of critical metals in coal from Yunhe Mine,Jining CoalfieldLYU Dawei, HAN Daiting, ZHENG Xue, CHEN Wentao, WANG Dongdong, ZHANG Zhihui, JIA Haibo, LIANG Taitao, WANG Zhiming5094-510317Paleogeography and coal accumulation model of the Middle Jurassic Xishanyao Formation in western Dananhu Coalfield of Turpan-Hami BasinLIANG Kaihua, QI Zhenghui, WANG Wenlong, SUN Fanxing, HUANG Yangyang, HE Xuefei, ZHOU Lili, SHAO Longyi5104-511518Study on characteristics of carbonyl compounds from pyrolysis of holocellulose catalyzed by coal gasification fine slagLIU Yuan, CHEN Jialong, SUN Zhenjie, YANG Chen, GUO Feiqiang, WU Songtao, YOU Xiaodong, XIONG Mingjie, LI Zhenming5116-512719Study of simulated crude oil wastewater for flotation separation of coal gasification slagSHANG Yali, LI Mengjie, TENG Daoguang, LI Guosheng, FAN Guixia, LI Peng5128-5138 