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    Study on evolution characteristics of international trade network of crystalline graphite products
    ZHANG Cuizhi, DONG Zhiliang, AN Haigang, LIU Sen, JIANG Peixiang
    2021, 30(8): 1-9. DOI: 10.12075/j.issn.1004-4051.2021.08.008
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    Discussion on assessment methods of mining investment environment in China
    WANG Jun, LIU Huifang, CUI Zuxia, TANG Jue, QIN Xianfeng, JIANG Man
    2021, 30(8): 10-16. DOI: 10.12075/j.issn.1004-4051.2021.08.014
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    Research on the measurement technical scheme of the on-the-spot inspection of China national mining rights
    WANG Feiyue, CHANG Yugang, HU Binhua
    2021, 30(8): 17-22. DOI: 10.12075/j.issn.1004-4051.2021.08.003
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    Development course and trend of coal mine trusteeship operation industry in China
    DAI Shuangcheng, DIAO Zongxian, LI Haihong, XING Xudong
    2021, 30(8): 23-27. DOI: 10.12075/j.issn.1004-4051.2021.08.006
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    Research on the driving factors of economical and intensive utilization of mineral resources
    WANG Yijie, LIU Tianke
    2021, 30(8): 28-31. DOI: 10.12075/j.issn.1004-4051.2021.08.029
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    Study on the problem of shaft engineering overstep mining area and disposal measures
    BU Xiaoping, SHEN Xue, WEN Yaping, HAO Jiangfan
    2021, 30(8): 32-35. DOI: 10.12075/j.issn.1004-4051.2021.08.018
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    Current situation of the regulatory system of radiation environmental safety for the development and utilization of associated radioactive mines
    LYU Caixia, XIE Shujun, LIAO Yunxuan, TAO Weiding, SHANG Zhaorong, TENG Keyan
    2021, 30(8): 36-40. DOI: 10.12075/j.issn.1004-4051.2021.08.007
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    Evaluation of oil and gas exploitation efficiency in China based on EROI and DEA
    CUI Tianhang, FENG Lianyong
    2021, 30(8): 41-49. DOI: 10.12075/j.issn.1004-4051.2021.08.024
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    Study on monetary asset macro accounting of mineral resources: take iron ore as an example
    JIANG Ya, MA Jianming, SHU Yanfei, XU Guifen
    2021, 30(8): 50-56. DOI: 10.12075/j.issn.1004-4051.2021.08.004
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    Study on metal mine tailings disposal and resource utilization technology
    DU Yanqiang, DUAN Wenfeng, ZHAO Yan
    2021, 30(8): 57-61. DOI: 10.12075/j.issn.1004-4051.2021.08.020
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    Evaluation and distribution characteristics of green coal resources in Shanxi province
    SONG Wenlong
    2021, 30(8): 62-68. DOI: 10.12075/j.issn.1004-4051.2021.08.027
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    Green development design of resource-based city based on mining heritage and geological heritage: a case study of Pingdingshan city
    LI Bing, SHANG Jiange, XIE Kejia, WEN Jinhua, CHEN Chuanhao
    2021, 30(8): 69-76. DOI: 10.12075/j.issn.1004-4051.2021.08.019
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    Research on land use change of open-pit mining in Gansu province from 2017 to 2019
    QU Peng, LUO Lihui, LI Zhenlin
    2021, 30(8): 77-83. DOI: 10.12075/j.issn.1004-4051.2021.08.017
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    Study on the stability of tailings dam based on unsteady seepage analysis
    WANG Libin, WANG Dengfeng
    2021, 30(8): 84-88,96. DOI: 10.12075/j.issn.1004-4051.2021.08.011
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    Probability integral prediction parameter inversion method based on bat algorithm
    LI Zhong, WANG Lei, TENG Chaoqun, LI Shibao, HUANG Jinzhong
    2021, 30(8): 89-96. DOI: 10.12075/j.issn.1004-4051.2021.08.016
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    Design and implementation of non-contact dynamic gauge detection system for underground mine rail transportation
    CUI Yating, WANG Peng, LI Jimin, FAN Yonggang, ZHAN Haodong, REN Gaofeng, ZHANG Congrui
    2021, 30(8): 97-102. DOI: 10.12075/j.issn.1004-4051.2021.08.001
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    Study on the mechanism and field test of directional fracture blasting of iron mine tunnel surrounding
    WANG Yu, CHEN Shuaizhi, ZHAO Yong, YANG Yang, LUO Haohao
    2021, 30(8): 103-109. DOI: 10.12075/j.issn.1004-4051.2021.08.005
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    Investigation on the nanometer titanium-based materials from ilmenite
    ZHANG Mengyun, YU Qingyao, HE Longguan, FAN Guixia
    2021, 30(8): 110-116. DOI: 10.12075/j.issn.1004-4051.2021.08.010
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    Effect of combined grinding aid on quartz grinding and its mechanism
    MAO Yong, WANG Zehong, TIAN Pengcheng, GAO Wei
    2021, 30(8): 117-124. DOI: 10.12075/j.issn.1004-4051.2021.08.021
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    Mechanical characteristics analysis of the bolt in composite roof
    WANG Jianwei, ZHAN Qinjian
    2021, 30(8): 125-132. DOI: 10.12075/j.issn.1004-4051.2021.08.015
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    Analysis on the load of coal pillar above the working face and the effect of coal pillar blasting
    MAO Jinfeng
    2021, 30(8): 133-137. DOI: 10.12075/j.issn.1004-4051.2021.08.012
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    Application research sectional compound-hydraulic technology for enhancing permeability of hole drilled along seam
    CHENG Hongming, NING Zhangxuan, LI Yongming
    2021, 30(8): 138-143. DOI: 10.12075/j.issn.1004-4051.2021.08.013
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    Study on deep hole blasting technology in unmanned working face of steep seam
    HAN Liang, LIU Juyou, PENG Rui
    2021, 30(8): 144-148. DOI: 10.12075/j.issn.1004-4051.2021.08.002
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    Analysis of paste filling slurry pipeline gravity transportation and pipeline layout
    LI Shouqiang, GUO Lijie, ZHENG Xu, YANG Chao
    2021, 30(8): 149-153. DOI: 10.12075/j.issn.1004-4051.2021.08.022
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    Study on deformation mechanism and reinforcement technology of roof in roadway along bottom in thick coal seam
    LI Xizhi
    2021, 30(8): 154-160. DOI: 10.12075/j.issn.1004-4051.2021.08.025
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    Study on the impact of multi-disaster chains on emergency rescue
    PENG Ran
    2021, 30(8): 161-165. DOI: 10.12075/j.issn.1004-4051.2021.08.023
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    Influence of hilly and gully terrain on the breaking angle in overlying strata
    WU Tao, ZHANG Guanglei, WANG Zhonglun
    2021, 30(8): 166-172. DOI: 10.12075/j.issn.1004-4051.2021.08.009
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    Metallogenic characteristics and prospecting direction of Pb-Zn deposit in Dakuangshan of western Yunnan
    LI Xinmin, MING Tianxue, SU Xiaoyu, LI Rong, CHENG Shenghui
    2021, 30(8): 173-179. DOI: 10.12075/j.issn.1004-4051.2021.08.028
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    Combination characteristics and favorable intervals of Early Carboniferous coal measure gas of Lianyuan sag, Hunan province
    ZHU Wenqing, XI Zhaodong, TANG Shuheng, GONG Minghui, WANG Keying
    2021, 30(8): 180-187. DOI: 10.12075/j.issn.1004-4051.2021.08.026
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