1Micro-failure mechanism and bolt-grouting reinforcement support technology of water-bearing sandstone roadwayFANG Xinqiu, XUE Guangzhe, LIANG Minfu, WANG Gang, FAN Hailiang561-5682Thermal metamorphism effect of magma intrusion on underlying coal seams in the Haizi mine fieldWANG Liang, CAI Chuncheng, XU Chao, CHENG Longbiao569-5763Investigation of the boundary conditions of modeling semi-continuous mining systemJI Changsheng, CHEN Qinghua, SUN Jinlong577-5814Study of the granular medium structure of mine rock and solution distribution based on MRI technologyWU Aixiang, XUE Zhenlin, YIN Shenghua, WANG Heng582-5875Experimental study of stress distribution and evolution of surrounding rock under the influence of fault slip induced by miningWANG Tao, WANG Zhaohua, JIANG Yaodong, WANG Wenjie588-592,6836Effect of dry-water on hydration separation dynamics of mine gas mixtureZHANG Qiang, WU Qiang, ZHANG Baoyong, GAO Xia593-5997Research on the sulfate corrosion resistance of fly ash concrete in adsorption areaDU Jianmin, CHEN Yao, YU Guixia, JI Yongsheng600-6058Influence of the ground pressure error on theoretical design of frozen shaft thickness in deep thick soilsXU Zhiwei, SHAO Peng, SHANG Xiangyu, ZHU Wenxin, HAN Zhongyang606-6119Organic carbon isotope composition and paleoclimatic evolution of Jurassic coal seam in the northern Qaidam basinLU Jing, SHAO Longyi, WANG Zhangang, LI Yonghong, WANG Shuai612-61810Characteristics of tight reservoir and origins of heavy crude oil in Huobei area, eastern Junggar basin619-62811Volcano slope deposition and its facies model: a case study of Yingcheng formation in Songliao basinSHEN Yanjie, CHENG Rihui, XIA Zhiwei, YU Zhenfeng, WANG Tengfei629-63812Optimization and realization of stress interference in tight oil and gas reservoirWENG Dingwei, YAN Xingming, LU Yongjun, PENG Xiang, MENG Jiong, ZHENG Lihui639-64513Geochemical characteristics and oil source of crude oils in the east edge of Chepaizi high, Junggar basinXIAO Fei, LIU Luofu, ZENG Liyuan, WU Kangjun, XU Zhengjian, ZHOU Changxiao646-65514Geochemical characteristics of mudstone in the northern Baiyun depression and its provenance natureYU Ye, ZHANG Changmin, LI Shaohua, QIN Chenggang656-66515Uncertainty analysis of pre-drilling in-situ stress for deep wells drilled in complex formation with confidence levelZHANG Lisong, YAN Xiangzhen, YANG Xiujuan, TIAN Zhonglan, WANG Xin666-67116Study of rotary triboelectrostatic separation and decarbonization of fly ashTAO Youjun, ZHANG Jie, WANG Xu, DENG Mingrui, TAO Daniel672-67717The experimental research on coal particles grading in a gas-solid fluidized bedZHAO Bin, WANG Qinggong, YAO Qiang, QU Tingting, LV Junfu, YUE Guangxi678-68318The accelerated solvent extraction of Xinyu coking coalZHANG Lu, QIN Zhihong, ZHAO Cuicui, RONG Liman, LI Chunsheng, ZHANG Peiran, ZHANG Lifang684-68819Effect of breakage and cleavage ways on the electrokinetic properties of kaolinite particlesLIU Lingyun, MIN Fanfei, ZHANG Mingxu, SONG Shaoxian, LU Fangqin689-69420Characteristics of the heavy metal distribution in the soils of underground coal fire and the evaluation of its impact on environmentZENG Qiang, Tashpolat · Tiyip, Manfred W.Wuttke, Busare · Kurban695-700 