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2021, 49(5)
Abstract FullText HTML PDF
Construction and practice of accurate gas drainage system for pressure relief gas in deep mining
LI Shugang, YANG Erhao, LIN Haifei, ZHAO Pengxiang
2021, 49(5): 1-10.
Abstract FullText HTML PDF
Principle and technology of precise and quantitative gas traceability in coal seam group mining face
ZHOU Fubao, LIU Hong, LIU Yingke, KANG Jianhong, HE Zhihong
2021, 49(5): 11-18.
Abstract FullText HTML PDF
Study on underlying coal seam stress distribution and failure characteristics in slicing mining of extra-thick coal seams
GAO Jianliang, CAI Hanghang, LU Fangchao, WANG Wenyuan
2021, 49(5): 19-26.
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Research progress and prospect of key technology of intelligent gas drainage in coal mine
ZHAO Xusheng, MA Guolong
2021, 49(5): 27-34.
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Study on influence of stress on desorption characteristics of coal containing gas
WEI Jianping, WEN Zhihui, YUAN Yongwang, WANG Qi, SI Leilei
2021, 49(5): 35-43.
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Coal seam gas content prediction based on fusion of feature selection and machine learning
LIN Haifei, ZHOU Jie, GAO Fan, JIN Hongwei, YANG Zhuoya, LIU Shihao
2021, 49(5): 44-51.
Abstract FullText HTML PDF
Optimization designing method of pressure-relief gas drainage in adjacent layers based on key strata movement
HU Guozhong, XU Jialin, QIN Wei, QU Qingdong, PENG Xiaoya, LI Kang
2021, 49(5): 52-59.
Abstract FullText HTML PDF
Technology of precise control of oil-type gas and engineering practice in coal mine with coal-oil-gas coexistence
SUN Siqing, CHEN Dongdong, LONG Weicheng, ZHAO Jizhan, ZHANG Jian, ZHENG Kaige, JIA Bingyi, ZHANG Jingfei
2021, 49(5): 60-66.
Abstract FullText HTML PDF
Study on joint characterization of pore structure of middle-rank coal by nitrogen adsorption-mercury intrusion-NMR
YANG Ming, LIU Lei, LIU Jiajia, MAO Junrui, CHAI Pei
2021, 49(5): 67-74.
Abstract FullText HTML PDF
Study on mechanism of permeability improvement for gas drainage by cross-seam cavitation borehole
WANG Liang, LIAO Xiaoxue, CHU Peng, ZHANG Xiaolei, LIU Qingquan
2021, 49(5): 75-82.
Abstract FullText HTML PDF
Application and Mechanism on pressure relief and permeability enhancement of diamond beaded wire saw cutting in low-permeability coal seam
LI Shuqing, TANG Zhu, HUANG Fei, LI Bo, CAI Kangxu, LIU Cheng, DUAN Rong, ZHU Yanping, YANG Dangzhen
2021, 49(5): 83-90.
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Accurate determination of effective gas extraction range of gas drilling holes in steeply inclined coal seams
WANG Gang, LI Huaixing, CHANG Bo
2021, 49(5): 91-99.
Abstract FullText HTML PDF
Optimization of precise extraction parameters in high-drainage roadway based on nonlinear permeability model
XU Chao, LI Xiaofang, CHEN Qingqing, CAO Mingyue, SHEN Lihua
2021, 49(5): 100-109.
Abstract FullText HTML PDF
Study on real time dynamic monitoring and early warning technology of regional and local outburst danger
SONG Dazhao, HE Xueqiu, QIU Liming, ZHAO Yingjie, CHENG Xiaohe, WANG Anhu
2021, 49(5): 110-119.
Abstract FullText HTML PDF
Gas control technology in super large area of high gassy mine
LIU Zhongquan, CHEN Dianfu, SUN Bingxing, LI Jianwei
2021, 49(5): 120-126.
Abstract FullText HTML PDF
Dynamic response of coal seam parameters during gas drainage and its application
ZHANG Chaolin, WANG Enyuan, XU Jiang, PENG Shoujian
2021, 49(5): 127-134.
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Analysis of blasting effect of asymmetric V-shaped oblique initiation network in complex rock mass
CHEN Yajun, BAI Xiaojie, LI Yongwu, ZHOU Liyun
2021, 49(5): 135-140.
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Research status and evaluation of theoretical calculation of plastic zone boundary for hole surrounding rock
LI Yongen, GUO Xiaofei, MA Nianjie, LI Chen, HUO Tianhong
2021, 49(5): 141-150.
Abstract FullText HTML PDF
Study on secondary grouting technology for coal seam gas extraction failure in borehole pipe bottom
GAO Baobin, REN Chuangnan, KANG Haoqing, CHEN Liwei, DONG Qun
2021, 49(5): 151-158.
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Study on influencing factors of deformation and instability of deep coal seam drainage borehole
ZHANG Xuebo, WANG Wenyuan, CAI Hanghang
2021, 49(5): 159-166.
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Experimental study on characteristics of replacement and displacement of CH4 at different CO2 injection temperatures
BAI Gang, JIANG Yanhang, ZHOU Xihua, LAN Anchang, WANG Jiren
2021, 49(5): 167-174.
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Discussion on mechanism and influencing factors of deep dynamic disaster
GUO Huaiguang, ZHU Likai
2021, 49(5): 175-181.
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Experimental study on effect of heat on methane adsorption and desorption in coal based on modified langmuir model
TANG Mingyun, ZHANG Hailu, DUAN Sanzhuang, YAO Guanlin, ZHENG Chunshan, ZHANG Liangwei
2021, 49(5): 182-189.
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Key technology and equipment of hole-forming for surface large diameter borehole in coal mine area
MO Haitao, HAO Shijun, ZHAO Jiangpeng
2021, 49(5): 190-197.
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Experimental study on dispersion characteristics of complex resistivity of hydraulic fracturing coal
GUO Yuehui, LEI Dongji, ZHANG Yugui, ZHOU Meng, LI Jian
2021, 49(5): 198-202.
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Mixed lithofacies shale and depositional environment of Longmaxi Formation in southern margin of Sichuan Basin
XU Chuanzheng, LI Xin, TIAN Jijun, LIN Wen, JIANG Liwei, ZHANG Zhiheng
2021, 49(5): 208-217.
Abstract FullText HTML PDF
Study on characterization and fractal features of adsorption pores of coal reservoirs in Jixi Basin
HUANG Zan, SUN Bin, YANG Qing, MA Shiming, SHAO Yanwen, TIAN Wenguang, QI Ling, HUANG Lei
2021, 49(5): 218-226.
Abstract FullText HTML PDF
Study on removing noise effect of magneto telluric signals based on multi-resolution VMD algorithm
PANG Xi, WANG Chenchen, SUN Weixiang
2021, 49(5): 227-233.
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Study on development key technologies of long-distance remote-control equipment train set in underground coal mine
LI Gang
2021, 49(5): 230-207.
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Analaysis on deformation mechanism of landslide at tunnel entrance of expressway in loess area
NI Xianglong, LONG Jianhui, ZHANG Lingling
2021, 49(5): 234-241.
Abstract FullText HTML PDF