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Experimental study on advanced real time detection system of seismic-while-excavating
WANG Ji, QIN Si, WU Hai, ZHANG Qingqing, YU Junhui, SU Xiaoyun
2021, 49(4): 1-7. DOI: 10.3969/j.issn.1001-1986.2021.04.001
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Three-component seismic data acquisition system of coal mine based on MEMS and LwIP
WANG Huaixiu, QIU Shuai, ZHU Guowei, CHEN Bo
2021, 49(4): 8-14. DOI: 10.3969/j.issn.1001-1986.2021.04.002
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Fault recognition based on principal component analysis and k-nearest neighbor algorithm
ZOU Guangui, REN Ke, JI Yin, Ding Jianyu, ZHANG Shaomin
2021, 49(4): 15-23. DOI: 10.3969/j.issn.1001-1986.2021.04.003
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Depth correction technique of electrical marker based on electrical field component of CSAMT
LIU Zuiliang, ZHANG Fenxuan, ZHANG Jifeng, ZHOU Guangyu, ZHAO Hui, ZHANG Xin
2021, 49(4): 24-32. DOI: 10.3969/j.issn.1001-1986.2021.04.004
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Application of in-seam wave technology in geological anomaly detection of Yangquan Mining Area
FAN Deyuan, WU Guoqing, MA Yanlong
2021, 49(4): 33-39. DOI: 10.3969/j.issn.1001-1986.2021.04.005
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Evaluation on the resolution ability of underground transient electromagnetic instrument to disaster-causing water bodies
ZHAO Zhongnan, XU Yangcheng, WU Yanqing, TAN Qingqing, KANG Yueming, WANG Yao
2021, 49(4): 40-48. DOI: 10.3969/j.issn.1001-1986.2021.04.006
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Love wave full waveform inversion via Pseudo-Hessian gradient pre-conditioning operator
GUAN Jianbo, LI Yu, YIN Caiyun, YANG Zhi, JIN Chaobin, ZHAO Meng, YANG Hang
2021, 49(4): 49-59. DOI: 10.3969/j.issn.1001-1986.2021.04.007
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Research status and prospect of fault activation under coal mining conditions
TIAN Yutong, ZHANG Pingsong, WU Rongxin, LIU Chang
2021, 49(4): 60-70. DOI: 10.3969/j.issn.1001-1986.2021.04.008
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Research on the model of accurate exploitation and utilization of underground space resources in closed/abandoned mines
LIU Qinjie, WANG Jinjiang, YANG Ke, DI Shengjun, DONG Zhiyong
2021, 49(4): 71-78. DOI: 10.3969/j.issn.1001-1986.2021.04.009
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Study on exploitation and utilization mode of tourism resources of the underground space in abandoned mines
HAN Yun, LIU Qinjie, WU Benniu, YANG Ke, DONG Zhiyong
2021, 49(4): 79-85. DOI: 10.3969/j.issn.1001-1986.2021.04.010
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Key problems and countermeasures of CBM development through surface boreholes in abandoned coal mines of Shanxi Province
WANG Zheng, LI Guofu, ZHOU Xianjun, HU Shengyong, LI Rifu, CHEN Wenke, JIAO Pengshuai, LI Chao, LI Jiangbiao
2021, 49(4): 86-95. DOI: 10.3969/j.issn.1001-1986.2021.04.011
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Technology of across-goaf drainage of coalbed methane from a lower coal seam group and its primary application: Taking Sihe mine field as an example
LI Junjun, LI Guofu, HAO Haijin, HAO Chunsheng, WANG Zheng
2021, 49(4): 96-104. DOI: 10.3969/j.issn.1001-1986.2021.04.012
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Development characteristics of coal microfracture and coal petrology control under cyclic high voltage electrical pulse
LI Hengle, QIN Yong, ZHOU Xiaoting, ZHANG Yongmin, CHEN Yilin
2021, 49(4): 105-113. DOI: 10.3969/j.issn.1001-1986.2021.04.013
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Coal body structure identification by logging based on coal accumulation environment zoning and its application in Mabidong Block, Qinshui Basin
ZHANG Jianguo, HAN Sheng, ZHANG Cong, CHEN Yanjun
2021, 49(4): 114-122. DOI: 10.3969/j.issn.1001-1986.2021.04.014
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Sequence stratigraphy and coal accumulation of barrier coastal system under epicontinental-sea environment: A case study of the Late Paleozoic Taiyuan Formation in Bohai Bay Area
CHANG Jia, CHEN Shiyue, WANG Qiong, PU Xiugang, YANG Huaiyu
2021, 49(4): 123-133. DOI: 10.3969/j.issn.1001-1986.2021.04.015
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Spatial-temporal distribution of outburst accidents from 2001 to 2020 in China and suggestions for prevention and control
ZHANG Chaolin, WANG Enyuan, WANG Yibo, ZHOU Xifang
2021, 49(4): 134-141. DOI: 10.3969/j.issn.1001-1986.2021.04.016
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Distribution characteristics of heavy minerals in the sandstone of Zhiluo Formation of northern Ordos Basin and its implication
ZHANG Yuanyuan, ZHANG Pengfei, NIE Fengjun, YAN Pengbing, ZHANG Zhibo, YAN Zhaobin, ZHANG Xin
2021, 49(4): 142-152. DOI: 10.3969/j.issn.1001-1986.2021.04.017
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Mechanism and applicability of increasing coalbed methane well production by pre-positioned acid fracturing
FAN Yao
2021, 49(4): 153-161. DOI: 10.3969/j.issn.1001-1986.2021.04.018
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Effects of different combined pretreatments on biogenic methane production by anaerobic digestion of lignite
ZHANG Huaiwen, YAO Yiqing, XIE Changwen
2021, 49(4): 162-169. DOI: 10.3969/j.issn.1001-1986.2021.04.019
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Construction and application of "eight in one" closed-loop management and control mode of roof water disaster in coal mines
LIU Qingbao, DING Xiang, FENG Jie, ZHANG Kun
2021, 49(4): 170-177. DOI: 10.3969/j.issn.1001-1986.2021.04.020
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Hazard source effect and location experiment of concealed water disaster in coal seam floor
LI Panfeng
2021, 49(4): 178-184. DOI: 10.3969/j.issn.1001-1986.2021.04.021
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Introductions and applications of a self-locking wire-line coring system with a water-shielding bit and a circlip-shielded core barrel
LIAO Yuansu, HU Qifeng
2021, 49(4): 178-286. DOI: 10.3969/j.issn.1001-1986.2021.04.033
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Water inflow forecasting method of deep buried coal working face in northern Ordos Basin, China
YANG Jian, WANG Hao, LIANG Xiangyang, HUANG Hao
2021, 49(4): 185-191. DOI: 10.3969/j.issn.1001-1986.2021.04.022
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Development and application of borehole sealing technology for water-sand inrush from Ordovician limestone aquifer in coal mine
LI Xiaolong
2021, 49(4): 192-197. DOI: 10.3969/j.issn.1001-1986.2021.04.023
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Prediction of the height of water flowing fractured zone based on PSO-BP neural network
LOU Gaozhong, TAN Yi
2021, 49(4): 198-204. DOI: 10.3969/j.issn.1001-1986.2021.04.024
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Hydraulic connection of aquifers in Barapukuria Coal Mine, Bangladesh
YU Bo, WANG Hao, LIU Feng, LIU Ji, WANG Qiangmin, SHANG Hongbo
2021, 49(4): 205-212. DOI: 10.3969/j.issn.1001-1986.2021.04.025
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Regularity and control of overburden and surface fractures in shallow-contiguous seams
CAO Jian, HUANG Qingxiang
2021, 49(4): 213-220. DOI: 10.3969/j.issn.1001-1986.2021.04.026
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Improvement of shear strength and anti-disintegration performance of compacted loess
ZHU Yanbo, LI Hongfei, JU Zhitong, LAN Hengxing, LIU Zhenqian, HAN Yutao
2021, 49(4): 221-233. DOI: 10.3969/j.issn.1001-1986.2021.04.027
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Numerical study of Mabian landslide kinematics and impact intensity
CHEN Xing, ZHAO Zhou, WEI Jiangbo, XU Chong
2021, 49(4): 234-241. DOI: 10.3969/j.issn.1001-1986.2021.04.028
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Study on the strength and microstructure of loess under freeze-thaw based on temperature path
LONG Jianhui, ZHANG Lingling, XING Xianli, GUO Xiaojuan
2021, 49(4): 242-249. DOI: 10.3969/j.issn.1001-1986.2021.04.029
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Characteristics analysis of the geothermal water in Heshan Coalfield based on hydrogeochemistry
ZHAO Guanhua
2021, 49(4): 250-259. DOI: 10.3969/j.issn.1001-1986.2021.04.030
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Temporal and spatial evolution of surface thermal environment in Huainan Mining Area in the last decade
FANG Liangcheng, CHEN Yongchun, AN Shikai, XU Yanfei, ZHAO Yuejiao, WANG Ning, LI Zhihui, ZHAO Ping
2021, 49(4): 260-268. DOI: 10.3969/j.issn.1001-1986.2021.04.031
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Exploration method of underground geological anomaly and its application based on directional drilling
FANG Jun
2021, 49(4): 269-277. DOI: 10.3969/j.issn.1001-1986.2021.04.032
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