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    Research on the coal industry development and transition in China under the background of carbon neutrality
    SUN Xudong, ZHANG Leixin, ZHANG Bo
    2021, 30(2): 1-6. DOI: 10.12075/j.issn.1004-4051.2021.02.034
    Abstract PDF
    Forecast of China's natural gas demand from 2020 to 2030
    ZHENG Minggui, WANG Ping, ZHONG Conghong
    2021, 30(2): 7-13. DOI: 10.12075/j.issn.1004-4051.2021.02.002
    Abstract PDF
    Analysis of global lead supply and demand pattern from 2020 to 2035
    XU Jianming, LI Ying
    2021, 30(2): 14-20,24. DOI: 10.12075/j.issn.1004-4051.2021.02.033
    Abstract PDF
    Exploitation of mineral resources and restoration of ecology
    WU Wensheng, LI Xiaoying
    2021, 30(2): 21-24. DOI: 10.12075/j.issn.1004-4051.2021.02.035
    Abstract PDF
    Comprehensive exploration system:a theoretical exploration method for copper-silver deposits
    GAO Ren, LI Xuhui, YE Shaozhen, GONG Weiqiang, ZHANG Yunfeng
    2021, 30(2): 25-30. DOI: 10.12075/j.issn.1004-4051.2021.02.014
    Abstract PDF
    Analysis and conception of non-ferrous metal mineral processing production and operations management
    GUO Zhenyu, ZHU Yingzhou, ZOU Guobin, LIU Jiming
    2021, 30(2): 31-35. DOI: 10.12075/j.issn.1004-4051.2021.02.013
    Abstract PDF
    An empirical analysis of the operating efficiency of listed companies in China's mining based on DEA model and Malmquist index model
    PU Xiaochuan, ZHANG Yu, JIANG Song
    2021, 30(2): 36-42. DOI: 10.12075/j.issn.1004-4051.2021.02.021
    Abstract PDF
    Sensitivity analysis of tax policy of oil and gas resource countries to China's overseas oil and gas investment
    HE Lihua, LI Guoliang, CHEN Xiaoping, YU Lei, LI Bin, JIANG Lumeng
    2021, 30(2): 43-49. DOI: 10.12075/j.issn.1004-4051.2021.02.027
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    Study on the difference of information release in mining capital market at home and abroad:a case study of Sandaozhuang molybdenum mine
    WANG Jue, LI Yuxi, HE Yaqing
    2021, 30(2): 50-56. DOI: 10.12075/j.issn.1004-4051.2021.02.029
    Abstract PDF
    Analysis of supervision strategies for land reclamation in coal mines based on evolutionary game
    LAI Xiaojun, HU Zhenqi, GUO Jiaxin, ZHANG Xue, WANG Xiaotong
    2021, 30(2): 57-66. DOI: 10.12075/j.issn.1004-4051.2021.02.031
    Abstract PDF
    Situation analysis and countermeasures of phosphate rock resources exploitation and ecological protection in Yangtze River Economic Belt
    JIA Han, LIU Junxing, JIAO Sen, SHANG Pengqiang, WANG Chunguang, CHI Haoxuan
    2021, 30(2): 67-72. DOI: 10.12075/j.issn.1004-4051.2021.02.028
    Abstract PDF
    Subregional evaluation of the current state of mine geological environment in Zigong city
    LI Zhongyang, ZHANG Jinlin, LUO Maolin, LUO Huan, ZHANG Qiang
    2021, 30(2): 73-79. DOI: 10.12075/j.issn.1004-4051.2021.02.022
    Abstract PDF
    Two phase reserves analysis of multi-type ore storage yard based on UAV aerial survey technology
    ZHANG Bingbing, XU Longxing, ZHOU Min, ZHANG Pu, WANG Fei
    2021, 30(2): 80-83,100. DOI: 10.12075/j.issn.1004-4051.2021.02.030
    Abstract PDF
    Comparative analysis of the underground mine's deep-hole blasting vibration signals based on wavelet and EMD
    LU Chao, WU Xianzhen, LIU Jianwei, CHENG Jie
    2021, 30(2): 84-90. DOI: 10.12075/j.issn.1004-4051.2021.02.012
    Abstract PDF
    Identification of mine water inrush source based on dragonfly algorithm and least squares support vector machine
    WU Zhaoli
    2021, 30(2): 91-94. DOI: 10.12075/j.issn.1004-4051.2021.02.032
    Abstract PDF
    Progress of hydraulic punching technology for relieving pressure and enhancing permeability in China
    HAN Ying, DONG Bowen, ZHANG Feiyan, LYU Shuai, LI Weidong
    2021, 30(2): 95-100. DOI: 10.12075/j.issn.1004-4051.2021.02.026
    Abstract PDF
    Physical model test research on the whole process of high and steep slope instability in Nanfen open-pit iron mine
    TAO Zhigang, SHU Yu, GAO Yushan, WANG Yicong, ZHAO Junkai
    2021, 30(2): 101-106,113. DOI: 10.12075/j.issn.1004-4051.2021.02.015
    Abstract PDF
    Research on gas drainage effect in goaf by deephole presplitting
    JI Xiaobo, WANG Fei, GAO Yabin, LI Jingyu, GUO Lehong, LI Wuming
    2021, 30(2): 107-113. DOI: 10.12075/j.issn.1004-4051.2021.02.007
    Abstract PDF
    Study on the technology of shotcrete support for broken surrounding rock in Xishimen iron mine
    SONG Delin, CHEN Feiyu, ZHENG Wenxiang, SUN Ming, KAN Jingwen
    2021, 30(2): 114-120. DOI: 10.12075/j.issn.1004-4051.2021.02.023
    Abstract PDF
    Experimental study on improving quality and benefits of rough copper concentrates
    CUI Bo, SONG Baoxu, JIANG Xiaojun, HOU Ying, XIE Dongdong
    2021, 30(2): 121-126. DOI: 10.12075/j.issn.1004-4051.2021.02.005
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    Research on weighting characteristic of longwall top-coal caving face in different mining periods in two-direction thickening coal seam
    CUI Wan, YANG Liu, LI Xuecheng
    2021, 30(2): 127-132,138. DOI: 10.12075/j.issn.1004-4051.2021.02.001
    Abstract PDF
    Experimental study on toughener modified mineral phenol urea formaldehyde foam
    YU Chuang, WANG Fei, HE Zhihong, LIU Zhenming, JIAO Zhiping, SHEN Long
    2021, 30(2): 133-138. DOI: 10.12075/j.issn.1004-4051.2021.02.006
    Abstract PDF
    Deformation failure analysis and reasonable coal pillar size of two side mining roadway in Gaohe mine
    XUE Qi, LIU Kaiwen, WEI Congcong, HAN Sen
    2021, 30(2): 139-143,152. DOI: 10.12075/j.issn.1004-4051.2021.02.008
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    Study on surrounding rock stress and control technology of goaf side roadway
    WANG Wenjie
    2021, 30(2): 144-152. DOI: 10.12075/j.issn.1004-4051.2021.02.018
    Abstract PDF
    Study on roadway repair technology in complex surrounding rock disaster environment
    ZHAO Changhong, LYU Zhaohai, ZHANG Yiyun, YUE Xiaojun, XU Haidong
    2021, 30(2): 153-159. DOI: 10.12075/j.issn.1004-4051.2021.02.024
    Abstract PDF
    Study on mechanical properties and energy evolution law of coal samples with different impact tendency
    WU Chengjia, QIN Tao, LIU Zhenwen, LIU Gang
    2021, 30(2): 160-166. DOI: 10.12075/j.issn.1004-4051.2021.02.010
    Abstract PDF
    Groundwater quality classification for abandoned mine based on fuzzy comprehensive evaluation
    WANG Shasha, XU Anqi, SONG Baolai, WEI Jiuchuan
    2021, 30(2): 167-171. DOI: 10.12075/j.issn.1004-4051.2021.02.017
    Abstract PDF
    The stability analysis of jointed slope based on similar material test
    LI Changcheng
    2021, 30(2): 172-176. DOI: 10.12075/j.issn.1004-4051.2021.02.011
    Abstract PDF
    Feasibility study on mining overall height in one times of extremely close distance coal seam under complex geological conditions
    NI Chao
    2021, 30(2): 177-182. DOI: 10.12075/j.issn.1004-4051.2021.02.004
    Abstract PDF
    Study on the size of narrow pillar of roadway driving along the goaf within section coal pillar in Baijigou coal mine
    MENG Dejian, QIN Guangpeng, MENG Jiangbo, BAI Yahui
    2021, 30(2): 183-188,218. DOI: 10.12075/j.issn.1004-4051.2021.02.016
    Abstract PDF
    Mine pressure behaviour law and feasibility study of upward mining for short distance coal seams in Fan'gezhuang coal mine
    WANG Xiaohui
    2021, 30(2): 189-196. DOI: 10.12075/j.issn.1004-4051.2021.02.019
    Abstract PDF
    Study on the effect of crack initiation shape on dynamic fracture of PMMA specimen
    AN Chen, XIAO Chenglong, KANG Yiqiang, ZHANG Yuantong, ZHENG Changda
    2021, 30(2): 197-202. DOI: 10.12075/j.issn.1004-4051.2021.02.020
    Abstract PDF
    Experimental study on combined acoustic emission and deformation field monitoring
    WANG Xiaolei, JIANG Pengcheng, YAN Shunxi, ZHAN Sibo, HUANGFU Run, WANG Shangzheng
    2021, 30(2): 203-208. DOI: 10.12075/j.issn.1004-4051.2021.02.025
    Abstract PDF
    Experimental study on evolution law of seepage characteristics of coal-rock mechanics under temperature action
    PAN Yuting, ZHAO Yaojiang, GUO Shengliang, ZHAO Liang, WANG Hao
    2021, 30(2): 209-213. DOI: 10.12075/j.issn.1004-4051.2021.02.003
    Abstract PDF
    Damage and fracture characteristics of rock containing cross cracks
    WANG Guoyan, YU Guangming, YUAN Changfeng
    2021, 30(2): 214-218. DOI: 10.12075/j.issn.1004-4051.2021.02.009
    Abstract PDF

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