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    Experimental study on damage characteristics of coal sample by shock wave impact
    XIE Beijing, DING Hao, CHEN Dongxin, YANG Yu
    2021, 52(5): 1-6.
    Abstract
    Law of gas migration and enrichment in goaf based on three-dimensional porosity model
    XU Chao, CAO Mingyue, LI Xiaofang, SUN Haoshi, YAN Zhiming
    2021, 52(5): 7-13.
    Abstract
    Change of pore structure for high rank coal before and after methane adsorption
    LIU Lu, ZHAO Chenlei, CUI Zhanfeng
    2021, 52(5): 14-19.
    Abstract
    Experimental study on damage of different types of fracturing flow-back fluid to coalbed methane reservoir
    HE Jiangyi, ZHENG Chao, ZHANG Jufeng, LEI Wulin
    2021, 52(5): 20-24,30.
    Abstract
    Study on evolution mechanism of unsteady transient pressure drop caused by gas phase cracking
    LEI Yun, LI Chengwu, ZHANG Kaiming, ZHAO Baoyou
    2021, 52(5): 25-30.
    Abstract
    Study on spontaneous combustion characteristics of oxidized coal in re-mining coal seam
    ZHANG Yanfang, WANG Fusheng, WANG Jiantao
    2021, 52(5): 31-35.
    Abstract
    Experimental study on temperature-increasing oxidation characteristics of lignite in oxygen-poor environment
    LIU Xianxin, JI Xiaobo
    2021, 52(5): 36-41.
    Abstract
    Development of a kind of gel foam and its thermal stability
    WANG Jianguo, YAN Tao, ZHENG Chenguang
    2021, 52(5): 42-46.
    Abstract
    Influence of loading rate on macro and micro formation mechanism of acoustic emission events in sandstone and granite
    FENG Xiaojing, ZHANG Ruizhe
    2021, 52(5): 47-53.
    Abstract
    Experimental study on stability of backfill by sulfate and chloride erosion
    HE Hongkun, WANG Chao
    2021, 52(5): 54-58,65.
    Abstract
    Influence of coal mining water level decline and soil reconfiguration on groundwater recharge in open pit mining area
    SUN Jie
    2021, 52(5): 59-65.
    Abstract
    Application of laser schlieren technology in the study of gas deflagration in coal mines
    HU Yang, WU Qiuxia, ZHANG Yanwei, QIN Hansheng, PANG Lei, LIANG Jinhu, YANG Yuxin, CHEN Minghu
    2021, 52(5): 66-71.
    Abstract
    Numerical simulation and engineering application of comb-shaped directional long borehole hydraulic fracturing under different arrangement of holes
    LI Wen, WANG Guanghong, OU Cong, LI Shourui, LI Xiangwang, ZHAO Huajun, LIU Jianhua, ZHAO Bi
    2021, 52(5): 72-77.
    Abstract
    Practice of low oxygen control in the first mining face of Qinglongsi Coal Mine
    DENG Jian
    2021, 52(5): 78-81.
    Abstract
    Application of audio frequency electric penetrating technology in exploring water-rich roof of working face
    ZHANG Guoen, XIE Zhenhua, SHI Hongkai
    2021, 52(5): 82-86.
    Abstract
    Exploration and control technology of Ordovician limestone water hazard in deep area of Xingdong Coal Mine
    GAO Yaoquan, FANG Gang, YAN Xingda
    2021, 52(5): 87-95.
    Abstract
    Efficient utilization and intelligent allocation technology of mine water based on underground-surface and classification and quality
    HOU Pin, DUAN Shule, FAN Yecheng, YU Yue, HE Xuwen, BO Lei, ZHANG Zihang
    2021, 52(5): 96-103,111.
    Abstract
    Key technology of directional grouting in roof and floor of coal field in the north of the Yellow River
    CHEN Juntao, ZHANG Yi, WU Shanyuan, YANG Fan, YUN Ming, LIU Lei
    2021, 52(5): 104-111.
    Abstract
    Application of hydraulic fracturing pressure relief technology in surrounding rock control of double-U roadway retaining
    WU Jianxing
    2021, 52(5): 112-119.
    Abstract
    Monitoring of temporal and spatial evolution of surface deformation in Yuncheng Mining Area with DS-InSAR
    WANG Xinling, DU Yuling, JIANG Jinxiong, ZHAO Feng, YAN Shiyong
    2021, 52(5): 120-125.
    Abstract
    Development and application of experimental device for mechanical and thermal coupling seepage characteristics of coal and rock
    WAN Junfeng, WANG Fei, WANG Yanli, WANG Xuewu
    2021, 52(5): 126-130.
    Abstract
    Anti-interference of coal mine safety monitoring system
    CHEN Shuopeng, CHEN Yitong
    2021, 52(5): 131-133.
    Abstract
    Development and research of in-situ stress parameters database for underground coal mines of China
    YI Bingding
    2021, 52(5): 134-138.
    Abstract
    High efficiency three dimensional water exploration system
    WEN Hengcong, LIU Baobao, YANG Haitao
    2021, 52(5): 139-143.
    Abstract
    Cloud edge integrated coal mine safety production risk monitoring and early warning platform based on big data
    SHU Lichun
    2021, 52(5): 144-148.
    Abstract
    Application of hydraulic reverse circulation coring in exploration of concealed geological abnormal body in coal mine
    ZHAO Jiangpeng
    2021, 52(5): 149-153.
    Abstract
    Fault monitoring of electric and hydraulic control system of remote control drilling rig
    ZHANG Gang
    2021, 52(5): 154-157.
    Abstract
    Design of mine intrinsically safe transient electromagnetic instrument based on STM32
    AN Sai
    2021, 52(5): 158-162.
    Abstract
    Application of UWB technology in accurate personnel positioning system
    CHANG Lin
    2021, 52(5): 163-165,169.
    Abstract
    Multi-level lifting monitoring system of inclined roadway in Tianzhu Coal Mine based on industrial Ethernet
    LIU Jianrong, YI Yuxiang, XU Dumin, DU Lei, YU Shengcun, LIU Junxian
    2021, 52(5): 166-169.
    Abstract
    Simulation and analysis of influence of drag reducer on flow field characteristics of porous rotary nozzle
    BA Quanbin
    2021, 52(5): 170-174.
    Abstract
    Evolution path of mining-induced stress field in full-mechanized caving mining
    QIN Haichu, SHAO Bin, CHENG Haixing, HUO Yuming
    2021, 52(5): 175-181,187.
    Abstract
    Influence of fracturing scale of CBM vertical well on typical indexes of drainage and mining
    LI Quanzhong, NI Xiaoming, HU Haiyang
    2021, 52(5): 182-187.
    Abstract
    CFD-DEM numerical study on coal dust pollution law of coal transfer point in underground coal mine
    TONG Linquan, XU Yang, WANG Xuetao, YANG Hanbin, MA Kui
    2021, 52(5): 188-192,200.
    Abstract
    Numerical analysis on water inrush catastrophe of concealed collapse column of floor under mining
    HUANG Yong, LIN Zhibin
    2021, 52(5): 193-200.
    Abstract
    Experimental study on law of surface subsidence under the condition of large mining depth and thick bedrock
    GAO Chao, ZHANG Yujun, LI Ping, XU Naizhong, TIAN Guocan
    2021, 52(5): 201-206.
    Abstract
    Analysis of foundation beam of lateral roof deformation and bending moment in gob-side driving roadway
    MENG Xiangjun
    2021, 52(5): 207-215.
    Abstract
    Roof pressure data prediction for working face based on back propagation neural network
    CHENG Haixing, ZHU Lei, SONG Liping, LIU Wentao, XU Kai
    2021, 52(5): 216-220.
    Abstract
    Technical analysis of sequential subsequent mining and skip mining production layout in coal mine plate area
    LI Hai, LI Chuan
    2021, 52(5): 221-226.
    Abstract
    Stability analysis of support structure of cutting roof with argillaceous cemented sandstone roof
    ZHI Guojun, XIE Rong, LIU Run, REN Ruiping, ZHENG Wenxiang, BU Qingwei, UO Yujie
    2021, 52(5): 227-232.
    Abstract
    Microstructure analysis of silicate modified polyurethane grouting consolidation materials for mine
    WANG Yuchao, YU Xiaofeng, BAI Guangfeng, SUN Gang
    2021, 52(5): 233-237.
    Abstract
    Stability analysis of seepage slope based on Darcy’s law
    LI Ming, MIAO Haibin, MA Mingkang, MA Xiyan, YUAN Ruiyang
    2021, 52(5): 238-241,249.
    Abstract
    Study on effect of working face length on overburden caving form and force chain arch characteristics
    LIU Yiyang, SHI Guangliang, ZHANG Guanglei, LI Zhijun, SONG Xuanmin
    2021, 52(5): 242-249.
    Abstract
    Human factor analysis of general accidents in coal mines based on HFACS
    BAI Yanlong, LI Haili, CHEN Yu, HE Shulei, BAI Changjiang, XI Long, XUE Yubi, PENG Jiajia, WANG Xin
    2021, 52(5): 250-255.
    Abstract
    Research on optimization of coal mine safety investment structure
    SONG Hongna, ZHAI Xinxian, MA Jinshan, DUAN Zhenwei
    2021, 52(5): 256-259.
    Abstract
    Promotion and improvement of coal enterprise safety concept from the perspective of safety culture
    BU Su, CAI Yishan
    2021, 52(5): 260-264.
    Abstract
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