column
A review：Geological feasibility and technological applicability of underground coal gasification
JIANG Xiuming, WU Caifang
2022, 50(5): 1-12. DOI: 10.12363/issn.1001-1986.21.09.0489
View Count Download Count
Spatial distribution of harmful trace elements in Chinese coals
CAO Qingyi, REN Wenying, LIANG Chaoming, ZHANG Yufei, YANG Liu
2022, 50(5): 13-22. DOI: 10.12363/issn.1001-1986.21.09.0520
View Count Download Count
Specific properties and combustion characteristics of natural coke from adjacent areas of Jiangsu, Shandong, Henan and Anhui provinces
QIN Yunhu, WANG Shuangmei, ZHU Shifei, WU Guoqiang, QUAN Jutao, MAO Lixin
2022, 50(5): 23-31. DOI: 10.12363/issn.1001-1986.21.09.0501
View Count Download Count
Nanopore structure and surface roughness in brittle tectonically deformed coals explored by atomic force microscopy
ZHANG Ningyuan, YAO Suping
2022, 50(5): 32-42. DOI: 10.12363/issn.1001-1986.21.09.0500
View Count Download Count
Accumulation mode of middle-low rank coalbed methane in Houxia Basin，Xinjiang
TU Zhimin, CHE Yanqian, LI Peng, LIN Wenji
2022, 50(5): 43-49. DOI: 10.12363/issn.1001-1986.21.09.0504
View Count Download Count
Eefficient fracturing technology and fine drainage system of ultra-deep coalbed methane in southeast Chongqing：A case study of NY1 well
FANG Dazhi, CHENG Zehu, LI Jiaxin
2022, 50(5): 50-56. DOI: 10.12363/issn.1001-1986.21.08.0437
View Count Download Count
Evaluation method and application of fracturing effect based on dynamic permeability change of coal reservoir hydraulic fracturing
SHAN Tuo, SUN Changyan, WANG Qian, XIE Xiangjun, FAN Yigang
2022, 50(5): 57-65. DOI: 10.12363/issn.1001-1986.21.09.0536
View Count Download Count
Ground development technology and engineering application of CBM in coal mine goafs： A case study of Jincheng mining area in Qinshui Basin
ZHOU Xianjun, LI Guofu, LI Chao, WANG Zheng, LI Jiangbiao
2022, 50(5): 66-72. DOI: 10.12363/issn.1001-1986.21.09.0533
View Count Download Count
Efficient treatment technology of incrementally open water gushing channel under dynamic water conditions
PU Zhiguo, DING Xiang, LI Zhe, JI Zhuochen, YAN Xin, HE Xiaolang, MA Jianguo
2022, 50(5): 73-81. DOI: 10.12363/issn.1001-1986.21.09.0542
View Count Download Count
Identification of burning temperature of burnt rocks in northern Shaanxi based on thermoacoustic emission technology
SUN Qiang, WANG Shaofei, GE Zhenlong, WEI Shaoni, DING Xiaoying
2022, 50(5): 82-88. DOI: 10.12363/issn.1001-1986.21.09.0490
View Count Download Count
Optimization calculation of the width of waterproof coal pillars in fault zones based on spatial relationship between coal strata and fault
WU Bin, XIE Daolei, HAN Jing, CHEN Qiang, ZHANG Huide
2022, 50(5): 89-94. DOI: 10.12363/issn.1001-1986.21.09.0498
View Count Download Count
Failure analysis of deep coal seam floor considering strain softening of surrounding rock and formation contact in goaf
YIN Shangxian, MENG Haopeng, QIAN Shuangbin
2022, 50(5): 95-102. DOI: 10.12363/issn.1001-1986.21.09.0474
View Count Download Count
Simplified internal variable gradient model for zonal disintegration of rocks in circular underground tunnels
HE Ziguang, ZHAO Fasuo, CHEN Haoxiang, WU Bo, ZHOU Jingjing
2022, 50(5): 103-109. DOI: 10.12363/issn.1001-1986.21.09.0481
View Count Download Count
Temperature field analysis of new pipe curtain freezing method in river embankment anti seepage reinforcement
ZHOU Yuxuan, HU Jun, XIONG Hui, REN Junhao, ZHAN Jianjian, WANG Zhixin
2022, 50(5): 110-117. DOI: 10.12363/issn.1001-1986.21.08.0473
View Count Download Count
Numerical simulation of azimuth electromagnetic wave response of complex geological model of horizontal hole in coal mines
ZHANG Yi, KANG Zhengming, FENG Hong, HAN Xue, CHEN Gang
2022, 50(5): 118-128. DOI: 10.12363/issn.1001-1986.21.12.0854
View Count Download Count
Geological structure detection with tunnel transient electromagnetic Kirchhoff 2D migration imaging
QI Zhipeng, GUO Jianlei, SUN Naiquan, LI Xiu, FAN Yanan
2022, 50(5): 129-135. DOI: 10.12363/issn.1001-1986.21.10.0583
View Count Download Count
3D forward modeling of DC resistivity method based on finite element with mixed grid
WANG Xinyu, WANG Cheng, MAO Yurong, YAN Liangjun, ZHOU Lei, GAO Wenlong
2022, 50(5): 136-143. DOI: 10.12363/issn.1001-1986.21.06.0338
View Count Download Count
Preliminary investigation of uranium resource evaluation method based on natural gamma logging data：A case study of the Pengyang uranium deposit in Ordos Basin
YU Reng’an, SUN Dapeng, ZHOU Xiaoxi, DENG Fan, SI Qinghong, HU Yongxing
2022, 50(5): 144-152. DOI: 10.12363/issn.1001-1986.21.10.0560
View Count Download Count
Study and application on multi branch point sampling drilling technology of coal seam floor borehole
CHU Zhiwei, LONG Weicheng, JIA Bingyi, LIU Fei
2022, 50(5): 153-158. DOI: 10.12363/issn.1001-1986.21.10.0586
View Count Download Count
Powder discharge characteristics of pneumatic double pipe directional drilling in broken soft coal seams and its application
NIE Chao, WANG Yi, YAO Yafeng, HONG Jianjun
2022, 50(5): 159-166. DOI: 10.12363/issn.1001-1986.21.12.0789
View Count Download Count