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Development achievements of China’s coal industry during the 13 th Five-Year Plan period and future prospects
WANG Guofa, REN Shihua, PANG Yihui, QU Sijian, ZHENG Dezhi
2021, 49(9): 1-8.
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Analysis study on selective preference of recovery mining project for island-like working face
WANG Sujian, JIN Shengyao
2021, 49(9): 9-16.
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Study of top-coal flow mechanism under interval and multi-grouping top-coal caving technology in extra thick coal seam
WANG Shen, HUANG Zhenyu, LI Dongyin, ZHANG Weiyu, WANG Zuguang, LI Huamin
2021, 49(9): 17-24.
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Effect of elevation angle of coal seam on top-coal caving law in fully-mechanized top-coal caving mining face during topple mining
HE Xin, LIU Changyou, WU Fengfeng, PENG Keping, YANG Jingxuan
2021, 49(9): 25-31.
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Analysis on instability deformation and burst liability of composite weak structures
WEI Hui
2021, 49(9): 32-37.
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Fractal characteristics of acoustic emission in different damage degrees of impact coal
GUO Haifeng, SONG Dazhao, HE Xueqiu, LOU Quan, QIU Liming
2021, 49(9): 38-46.
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Charge signal time-frequency characteristics of granite under uniaxial compression
ZHAO Yangfeng, JING Gang, LI Bing, CHENG Chuanjie
2021, 49(9): 47-53.
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Experimental study on range of strength limit neighborhood of red sandstone under effect of creep disturbance
WANG Bo, LIU Chongyang, CHEN Xuexi, LU Changliang, HUANG Zikang, HU Shiyu
2021, 49(9): 54-60.
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Research on response of stress field in working face during the thrust fault activation process under mining disturbance
REN Zheng, ZHANG Kexue, JIANG Yaodong
2021, 49(9): 61-68.
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Study on prediction of blast casting results in open-pit minebased on IPSO-ELM model
MA Li, ZHANG Jianguo, ZHANG Leiming, TU Yuhang, WU Jing, LIAN Kaiyuan
2021, 49(9): 69-75.
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Deformation control of surrounding rocks of mining roadway indeep and close lower coal seam
CAO Yaohua, LI Yunting
2021, 49(9): 76-81.
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Study on influence of coal pore characteristics on initial velocity of gas emission
AN Fenghua, JIA Hongfu, LIU Jun
2021, 49(9): 82-87.
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Effect of coal pile particle size on the spontaneous combustion velocity of coal pile
QU Guona, JIA Tinggui, QIANG Qian, WANG Laigui, LIU Jian, HAO Yu
2021, 49(9): 88-94.
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Risk assessment of filling pipeline blockage based on multidimensional cloud model
SONG Xuepeng, KE Yuxian, WEI Meiliang, SHI Haitian, LIAO Baoquan
2021, 49(9): 95-102.
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Study on storage and retrieval of coal mine accident cases
YANG Meng, CHEN Ning, FAN Yuhang
2021, 49(9): 103-109.
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Collision detection and pre-warning method for remotely controlledfully-mechanized mining equipment
WANG Miaoyun, ZHANG Xuhui, MA Hongwei, DU Yuyang, ZHANG Yumeng, XIE Nan, WEI Qiannan
2021, 49(9): 110-116.
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Study on multi-product coal image classification method based on deep learning
ZHANG Zelin, ZHANG Zhiwei, HU Qi, WANG Li
2021, 49(9): 117-123.
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Influence of carrier frequency on demarcation points of near field in rectangular roadway
JIAO Xiaolong, CHENG Lingfei, ZHANG Weijing, CHEN Nuo
2021, 49(9): 124-128.
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Study on status quo and development as well as utilization of coal resources “underbuildings,water bodies, railways and above confined water”in North China Coalfields
WU Tao, FANG Xiangqing, NING Shuzheng, WU Zhenling, XU Fei
2021, 49(9): 129-135.
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Seismites characteristics and significance of exploration and development fromcoal measure gas of Shanxi Formation in Xishan Coalfield
SUN Changyan, YANG Zongnan, YANG Heng
2021, 49(9): 136-144.
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Research on prediction model of surface dynamic subsidence of mined-out region based on Usher time function
WANG Yutao, LIU Xiaoping, MAO Xuge, CAO Xiaoyi, TIAN Yanzhe
2021, 49(9): 145-151.
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Study on parameters of Weibull time function model based on sited measuredmining subsidence data
LIU Donghai, DENG Niandong, YAO Ting, SHANG Hui
2021, 49(9): 152-158.
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Study on surface subsidence dynamic prediction model based on variogram
GUO Xuwei, YANG Xiaoqin, CHAI Shuangwu, GUO Wenpeng, LIANG Yongtu
2021, 49(9): 159-166.
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Evaluation of spatial water enrichment of ultra-thick bedrockaquifer in coal seam roof
GUO Xiaoming, WANG Hao, ZHOU Linsheng
2021, 49(9): 167-175.
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Research on coalbed methane well gas production forecast methodbased on cyclic neural network
DONG Weiqiang, MENG Zhaoping, SHEN Zhen, ZONG Zhimin, CHEN Tao
2021, 49(9): 176-183.
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Pore structure characteristics of Taiyuan Formation coal measuresshale in south central Qinshui Basin
YUAN Yuyang, LI Zhuopei, ZHONG Mingyang, WANG Ying
2021, 49(9): 184-192.
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Analysis of coal reservoir sensitivity and compatibility in Junlian Area
YU Baoshi, ZHENG Rui, JI Yubing, JIANG Yixin, HU Zantong, LI Ying
2021, 49(9): 193-199.
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Study on control of ground subsidence cracks in coal mine based onextrusion blasting technology
ZHANG Lei, XU Lin, CHEN Liancheng, ZHU Runsheng
2021, 49(9): 200-206.
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Research progress onmigration and transformation behavior of hazardousmineral matter in coals during coal combustion
WANG Xiaoshuai, TANG Yuegang, MA Tengda, CHEN Yifan
2021, 49(9): 207-219.
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Research progresson geochemistry and extraction of lithium from coal and coal ash
XU Fei, QIN Shenjun, LI Shenyong, CUI Li, WANG Yan, QI De’e, ZHAO Gui
2021, 49(9): 220-229.
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