英国物理学会
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作者:... Po Hu , Cheng Guan , Wenbiao Liu
来源:[J].Journal of Geophysics and Engineering, 2018, Vol.15 (3)IOP
摘要:Stress has a significant influence on gas diffusion, which is a key factor for methane recovery in coal mines. In this study, a series of experiments were performed to investigate effect of stress on the gas diffusivity during desorption in tectonic coal. Additionally, the d...
作者:Cheng Guan , Tianyu Wan
来源:[J].Journal of Geophysics and Engineering, 2018, Vol.15 (4)IOP
摘要:Low-frequency magnetic signals with the advantages of fewer interfering factors and longer propagation ranges are more useful for improving the accuracy of monitoring and early warning technology for coal or rock dynamic disasters. In this paper, the characteristics of low-freque...

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