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Journal of North China Institute of Science and Technology

ISSN：1672-7169

CN：11-5188/N

Frequency：Bimonthly

Website：none

Email：hkxuebao@qq.com;xuebao@ncist.edu.cn

Postcode：065201

Articles3126

Citations13962

Funded1279

Impact Factor：0.74

Articles

2022 No.04

Total 17 articles

Experimental studies on gas desorption and diffusion characteristics of coal with different particle sizesCHEN Xuexi, GAO Zeshuai, JI Feiyang, WANG Lingshan

1-6

Pressure relief gas control technology of hydraulic fracturing of key stratum overlying in soft coal seamLIU Yaohui, XIANG Guangyou, ZHANG Yue, CHEN Chuang, LU Yifan

7-13

Experimental study on cyclic adsorption-desorption of coal under constant temperature and constant volumeWANG Chen, WANG Xing, FENG Zengchao, ZHOU Dong, ZHAO Dong, YANG Tao

14-18

Simulation analysis and practice of dilution inerting effect of step nitrogen injection pumping in short distance old goafCHU Tingxiang, SU Yuanyuan

19-28

Three-dimensional numerical simulation of gas drainage from boreholes with different layout shapesCHEN Yuexia, ZHAO Dongyun, SU Yuanyuan

29-35

Research on the deviation law of drilling hole in traditional drilling technology of soft and hard interbedded coal and rock massCHENG Zhiheng, GAO Haobin, HOU Jianjun, WANG En, CHEN Liang

36-42,47

Study on gas unsteady state diffusion mechanism of coal particles gasWANG Zhiliang, CHEN Xuexi, YANG Tao

43-47

Study on the continuous determination of negative pressure fixed point of gas extraction drillingCHEN Peng, CHENG Wei, CHEN Zuguo, ZHAN Hao, CHEN Xihua

48-55

Application of three-dimensional sectioning method of microseismic monitoring data in spatial arrangement of gas drainage boreholesYANG Hongwei, WANG Haidong, WANG Junhong, GAO Hong, QIAN Zhiliang, HAN Bing

56-59,77

Research on reasonable coal mining ratio for pressure relief and outburst elimination by hydraulic flushing in outburst coal seamHAO Congmeng

60-64