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    Research advances and emission reduction measures in carbon source and sink of land ecosystems in coal mining area under the carbon neutrality
    YANG Boyu, BAI Zhongke
    2021, 30(5): 1-9. DOI: 10.12075/j.issn.1004-4051.2021.05.028
    Abstract PDF
    Research process and trends of ecological restoration of abandoned/closed coal mines
    TAO Guixin, ZHOU Hongxuan, SUN Jing, WANG Zhaoqing, XU Chen
    2021, 30(5): 10-19. DOI: 10.12075/j.issn.1004-4051.2021.05.032
    Abstract PDF
    Evolution and enlightenment of rare earth industry policy in the past 40 years of Reform and Opening-up
    SU Liping, GAO Shuang
    2021, 30(5): 20-26,35. DOI: 10.12075/j.issn.1004-4051.2021.05.002
    Abstract PDF
    Research on high quality development dynamic mechanism of coal enterprises based on evolutionary game
    WANG Xinping, LEI Jingting, YU Huaiyu
    2021, 30(5): 27-35. DOI: 10.12075/j.issn.1004-4051.2021.05.011
    Abstract PDF
    Research on law enforcement reform of safety in coal mine production
    YANG Huili, FU Meichen
    2021, 30(5): 36-40. DOI: 10.12075/j.issn.1004-4051.2021.05.031
    Abstract PDF
    Analysis of enterprise safety investment and safety management level based on the system dynamics
    YANG Xingang, XIE Zhili, WANG Qiquan
    2021, 30(5): 41-47. DOI: 10.12075/j.issn.1004-4051.2021.05.035
    Abstract PDF
    Forecast of China's vanadium resource demand from 2020 to 2035
    WU Qing, ZHANG Zhaozhi, PAN Zhaoshuai, ZHANG Zenan, XU Hengyi
    2021, 30(5): 48-56. DOI: 10.12075/j.issn.1004-4051.2021.05.024
    Abstract PDF
    Analysis of global trade characteristics of refined copper and its products based on the complex network theory
    LI Bujie, XING Wanli
    2021, 30(5): 57-64. DOI: 10.12075/j.issn.1004-4051.2021.05.033
    Abstract PDF
    Study on spatial temporal pattern and evolution characteristics of international chromite trade from the perspective of complex network
    ZHAO Suyan, DONG Zhiliang, LIU Sen
    2021, 30(5): 65-71. DOI: 10.12075/j.issn.1004-4051.2021.05.006
    Abstract PDF
    Prediction of coal demand in China under environmental constraints based on the neural network
    SONG Hao, ZHANG Yan, GAO Tianming, YAN Qiang
    2021, 30(5): 72-78. DOI: 10.12075/j.issn.1004-4051.2021.05.003
    Abstract PDF
    Research on ecological compensation standard of soil and water conservation during the exploitation of oil and gas resources
    LIU Yang, WANG Jiashan, WANG Ruihua, LIU Weiwei
    2021, 30(5): 79-84. DOI: 10.12075/j.issn.1004-4051.2021.05.025
    Abstract PDF
    Research on the dynamic model of resource-based cities innovation system: a case study of Panzhihua city
    MA Guangxia, HE Zheng
    2021, 30(5): 85-93. DOI: 10.12075/j.issn.1004-4051.2021.05.019
    Abstract PDF
    Study on comprehensive utilization benefit evaluation of iron ore tailings: a case study of Panxi iron mine
    YANG Sifu, KANG Xiaobing, LUO Maolin
    2021, 30(5): 94-99,114. DOI: 10.12075/j.issn.1004-4051.2021.05.013
    Abstract PDF
    Research on the influence of environmental regulation on total factor productivity of Shaanxi energy development industry
    YAO Xiaojian, XIA Dandan, ZHANG Yinglin
    2021, 30(5): 100-106. DOI: 10.12075/j.issn.1004-4051.2021.05.014
    Abstract PDF
    Response of net primary productivity of vegetation to land cover change in six coal fields of Shanxi province
    LI Zhixiang, ZHANG Yifan, ZHANG Hesheng
    2021, 30(5): 107-114. DOI: 10.12075/j.issn.1004-4051.2021.05.005
    Abstract PDF
    Research on the technology decision of agricultural land protection before coal mining subsidence in high ground-water level area
    YANG Yongjun, CHEN Fu, WANG Yanqiu, HAN Fangyi, ZHANG Shaoliang
    2021, 30(5): 115-119. DOI: 10.12075/j.issn.1004-4051.2021.05.009
    Abstract PDF
    Experimental study on overlying strata migration law of coal seam group mining based on digital speckle technology
    YAN Tao, WANG Ming, XIA Xiangxue
    2021, 30(5): 120-124,142. DOI: 10.12075/j.issn.1004-4051.2021.05.026
    Abstract PDF
    Image recognition and loss on ignition prediction model of fly ash particles in electrostatic separation based on the convolution neural network
    LIU Zhongbo
    2021, 30(5): 125-129. DOI: 10.12075/j.issn.1004-4051.2021.05.030
    Abstract PDF
    Technical and economic analysis on control method of hard top coal roof in mine
    CHEN Shuliang, HUANG Bingxiang
    2021, 30(5): 130-135. DOI: 10.12075/j.issn.1004-4051.2021.05.023
    Abstract PDF
    Simulation of coal mine water inrush based on stress seepage damage coupling
    CUI Guozheng, YANG Tianhong, LIU Honglei, LI Zhenshuan
    2021, 30(5): 136-142. DOI: 10.12075/j.issn.1004-4051.2021.05.020
    Abstract PDF
    Research and application of key support technology of new composite structure pier column
    YAN Bingshuang
    2021, 30(5): 143-148. DOI: 10.12075/j.issn.1004-4051.2021.05.029
    Abstract PDF
    Experiment and application of grouting reinforcement material for broken coal and rock in roadway
    LIANG Xuchao, MA Zhenqian, ZU Ziyin, LI Guichen, HAN Sen, GUAN Ruichong, YANG Wei
    2021, 30(5): 149-154,160. DOI: 10.12075/j.issn.1004-4051.2021.05.016
    Abstract PDF
    Study on optimization of support parameters for swelling and broken roadway
    WANG Zhixiu, YU Shibo, HUANG Fakai, ZHENG Zhijie
    2021, 30(5): 155-160. DOI: 10.12075/j.issn.1004-4051.2021.05.010
    Abstract PDF
    Study on flotation behavior of hematite flocs in sodium oleate system
    XIN Xiaofei, ZHANG Jinxia
    2021, 30(5): 161-167. DOI: 10.12075/j.issn.1004-4051.2021.05.004
    Abstract PDF
    Field research on surface movement characteristic by coal mining under thick alluvium in Zhaogu mine area
    XU Guosheng, XU Shengjun, LI Dehai, LI Huigui
    2021, 30(5): 168-172. DOI: 10.12075/j.issn.1004-4051.2021.05.021
    Abstract PDF
    Application of controllable shock wave antireflection technology in Jining low porosity and low permeability soft coal seam
    SU Shilong, ZHANG Yongmin, LI Wengang, GAO Haihai, ZHAO Youzhi, WANG Xiangdong, ZHENG Liang
    2021, 30(5): 173-179. DOI: 10.12075/j.issn.1004-4051.2021.05.007
    Abstract PDF
    Study on the evolution law of mining induced overburden fractures in Pingdingshan No.13 coal mine
    SUN Miyin
    2021, 30(5): 180-187,192. DOI: 10.12075/j.issn.1004-4051.2021.05.022
    Abstract PDF
    Determination of the outburst risk prediction sensitive index of working face
    ZHANG Yuzhu
    2021, 30(5): 188-192. DOI: 10.12075/j.issn.1004-4051.2021.05.012
    Abstract PDF
    Parameter optimization and application of high level borehole for gas drainage in hydraulic presplitting face
    ZHU Kun, LIU Wengang, LIU Qinglin, DANG Yelong, YU Jie, LIU Hui, DONG Hao, WU Yue, WANG Ning
    2021, 30(5): 193-199. DOI: 10.12075/j.issn.1004-4051.2021.05.018
    Abstract PDF
    Numerical simulation of fracture propagation of multi-cluster fracturing in horizontal wells
    HE Youan, GAO Wubin, LU Min
    2021, 30(5): 200-206. DOI: 10.12075/j.issn.1004-4051.2021.05.017
    Abstract PDF
    Adaptability and accuracy analysis of the commonly used analytical models for productivity prediction of horizontal well with multistage hydraulic fracturing
    TIAN Gang, LAN Zhengkai, CHEN Ang, MA Mingwei
    2021, 30(5): 207-213. DOI: 10.12075/j.issn.1004-4051.2021.05.015
    Abstract PDF
    Preliminary study on the water prevention and control engineering technology of coal uncovering in rock roadway of water-rich coal seam of Balasu mine field
    WANG Chunlin, LIU Yang, FANG Gang, LI Yanmin, LIANG Xiangyang, LIU Chenguang, YANG Yanning, YAN Yongle
    2021, 30(5): 214-219. DOI: 10.12075/j.issn.1004-4051.2021.05.027
    Abstract PDF
    Application of inter well tracer test in some sandstone-type uranium deposit
    SUN Gangyou, CHENG Guanghua, FU Haipeng, WANG Hexiang, MEN Hong, LIU Bo
    2021, 30(5): 220-223,236. DOI: 10.12075/j.issn.1004-4051.2021.05.008
    Abstract PDF
    Study on coal quality characteristics and comprehensive utilization of main mining seams in Guishan coal mine, Yunnan province
    LI Xinmin, MING Tianxue, SU Xiaoyu, CHENG Shenghui
    2021, 30(5): 224-229. DOI: 10.12075/j.issn.1004-4051.2021.05.034
    Abstract PDF
    Study on hydro-geochemistry processes of deep Ordovician limestone water of Fengfeng coal mining area
    HAO Chunmin, ZHANG Wei, SUN Wei, HE Peiyong
    2021, 30(5): 230-236. DOI: 10.12075/j.issn.1004-4051.2021.05.001
    Abstract PDF

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