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2021 Vol. 44 No. 2
Published: 26 February 2021
0
2021 Vol. 44 (2): 0- [
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59
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305
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1
Li Ming
Study on Ordovician limestone hydrogeological conditions and lower coal seam mining in Wannian Mine
2021 Vol. 44 (2): 1-5 [
Abstract
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73
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60
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6
Chen Zhongshan1, Yang Biao2
Key technology of eco-closure for closed mines in Hebei Province
2021 Vol. 44 (2): 6-10,15 [
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68
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62
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11
Liu Yuxin
Study on sealing technology of fissure water inrush under high pressure and dynamic water condition
2021 Vol. 44 (2): 11-15 [
Abstract
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67
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59
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16
Guo Qingwu
Research and practice of sealing thin ash residual outflow point technology in directional horizontal shaft
2021 Vol. 44 (2): 16-18,23 [
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78
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61
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19
Liu Haizhe
Research and application of coal column optimization in liberating coal resources
2021 Vol. 44 (2): 19-23 [
Abstract
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70
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59
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24
Wang Gechun
Case study of goaf water burst due to mining influence in complex geology
2021 Vol. 44 (2): 24-26,30 [
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78
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59
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31
He Wentao, Shen Wei, Wang Jun
Study on the prevention and control of double water damage in deep Shanqing coal mining with thin impermeable layer
2021 Vol. 44 (2): 31-32,37 [
Abstract
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64
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61
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33
Liu Bo
Feature analysis and water prevention advice of Linnancang coalfield
2021 Vol. 44 (2): 33-37 [
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50
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(0 KB) (
50
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38
Wang Guowang
Development and application of advanced water inrush prevention technology
2021 Vol. 44 (2): 38-41 [
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79
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52
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42
Wang Jinzhao1,2, Cao Dong1,2
Technical research and application of surface directional drilling technology in water conducting fault management
2021 Vol. 44 (2): 42-45 [
Abstract
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121
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(0 KB) (
55
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46
Zhou Jingjing1, Cao Dong2
Research and application of integrated resource exploration methods for extremely complex landscapes
2021 Vol. 44 (2): 46-48 [
Abstract
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47
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56
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49
Du Junpei，Liu Shulun
Study on roof irregularity of igneous intrusive body and the pressure behavior law of roadway surrounding rock
2021 Vol. 44 (2): 49-54 [
Abstract
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63
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(0 KB) (
56
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55
Ma Xinping, Liu Bo
Development and exploration of underground coal mine drilling equipment and drilling construction technology
2021 Vol. 44 (2): 55-58 [
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72
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(0 KB) (
47
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59
Zhang Shoubao, Huang FuLong, Chen Gongyu, Liu Zhigao, Chen Xiling, Du Weihang
Asymmetric failure characteristics of gob side entry in fully mechanized top coal caving face and its reasons
2021 Vol. 44 (2): 59-61,65 [
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65
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59
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62
Zhao Xinnan1,2,3
Study on the application of goaf retention in high water material roadway filling
2021 Vol. 44 (2): 62-65 [
Abstract
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71
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57
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66
Li Xiaolong
Study on the technical scheme of docking of working face over fault cuttings
2021 Vol. 44 (2): 66-68,71 [
Abstract
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70
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65
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72
Xi Jian, Lu Jianming
Slurry reinforcement management technology for high-rising area of comprehensive mining face
2021 Vol. 44 (2): 72-71 [
Abstract
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54
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56
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72
Li Lidong
Study on expanding brushing support technology of open-off cut in fully mechanized mining face with large mining height
2021 Vol. 44 (2): 72-74，77，37 [
Abstract
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76
)
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58
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75
Zhou Jinlong
Detection of the development height of "two zones" of the working face
2021 Vol. 44 (2): 75-77 [
Abstract
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151
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61
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78
Ren Chenglong
Application of roadway support technology under the near coal seam mining goaf area in Mugua Mine
2021 Vol. 44 (2): 78-81 [
Abstract
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50
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(0 KB) (
63
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82
Jiang Zejin
Study on comprehensive geophysical prospecting technology in mine collapse column identification
2021 Vol. 44 (2): 82-84,108 [
Abstract
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82
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(0 KB) (
55
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85
Chen Feng, Wu Tao
Simulation study of groundwater contaminant transportation based on visual modflow software
2021 Vol. 44 (2): 85-89，116，54. [
Abstract
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93
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(0 KB) (
69
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90
Zhang Yanan
Application of integrated water damage control technology for large water working face under complex conditions
2021 Vol. 44 (2): 90-93 [
Abstract
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45
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(0 KB) (
58
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94
Li Min, Li Siqi
Influence of microscopic characteristics of coal seams on gas fugacity in Yuzhou Mining Area
2021 Vol. 44 (2): 94-96 [
Abstract
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54
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62
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97
Li Jinhai, Wang Bing, Wei Xunkuo
Environment friendly composite materials for mining-experimental study on carbide slag foam
2021 Vol. 44 (2): 97-100，104. [
Abstract
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59
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(0 KB) (
61
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101
Ning Tao
Research and application of online gas monitoring technology in mining area
2021 Vol. 44 (2): 101-104 [
Abstract
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62
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(0 KB) (
53
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105
Lu Dongsheng
Optimization and practice of hydraulic punching process for drilling through layers
2021 Vol. 44 (2): 105-108 [
Abstract
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87
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(0 KB) (
64
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109
Li Shixiong
Research and application of gas extraction technology in high level boreholes towards the roof
2021 Vol. 44 (2): 109-111，116. [
Abstract
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61
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61
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112
Chen Xiaoyong
Application of three-dimensional gas extraction technology for high directional long boreholes in complex rock formations in deep areas
2021 Vol. 44 (2): 112-116 [
Abstract
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51
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59
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117
Bai Mingkai
Investigation and application of fixed hole sealing of plugging and injection in unloading pressure area
2021 Vol. 44 (2): 117-120 [
Abstract
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50
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(0 KB) (
58
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121
Guo Ruiya1, Hu Xiaojing1, Zhao Guanzhou2
Selection and design of zero discharge process for salty wastewater in coal chemical industry
2021 Vol. 44 (2): 121-123，131. [
Abstract
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61
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(0 KB) (
59
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124
Di Yajing， Li Zibin， Fu Yufeng， Liu Hui， Feng Cheng， Wang Ronggeng
Application of disinfectant spray device
2021 Vol. 44 (2): 124-126 [
Abstract
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63
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(0 KB) (
55
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127
Li Jingjing
Optimizing coal blending system to improve coal blending accuracy
2021 Vol. 44 (2): 127-128，140. [
Abstract
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65
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(0 KB) (
61
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129
Wu ChunLei
Industrial application of 2-butene double bond isomerization to 1-butene
2021 Vol. 44 (2): 129-131 [
Abstract
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96
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(0 KB) (
57
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132
Zhang Yun1, Wang Yong2,4, Yang Bo3
Effect of impurity iron on performance of titanium dioxide and its mechanism analysis
2021 Vol. 44 (2): 132-134，145. [
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75
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(0 KB) (
57
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135
Fan Shengjun1， Wang Hang1， Jin Lei2， Zhang Sirui2， Zhang Jinying2
Study on the influence of micromorphology and spontaneous combustion characteristics of polysulfide on coal
2021 Vol. 44 (2): 135-140 [
Abstract
] (
71
)
PDF
(0 KB) (
57
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141
Xu Yuanyuan1, Rong Yuan1, Cong Fei2, Wang Xueqi1, Zhang Rui1, Li Yazhao1, Liu Haoyu1
Study on extraction and mid-infrared spectrum of polysaccharide from cedar needles
2021 Vol. 44 (2): 141-145 [
Abstract
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63
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(0 KB) (
56
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146
Du Linnan1, Guo Lixiao2, Xia Yufeng3, Zhao Yuliang4, Du Jianhui5,
Study on mid-infrared spectrum of Wuchang rice
2021 Vol. 44 (2): 146-150，160. [
Abstract
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81
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(0 KB) (
54
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151
Zhang Yu
Study on the factors affecting the bonding strength of silicate modified polyurethane reinforcement materials
2021 Vol. 44 (2): 151-155 [
Abstract
] (
57
)
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(0 KB) (
56
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156
Wang Wenxin, Yao Lu， Xu Jun
Design of landslide detection system based on MEMS acceleration sensor MPU-6050
2021 Vol. 44 (2): 156-160 [
Abstract
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72
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PDF
(0 KB) (
56
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