Study on Measuring Effective Gas Drainage Radius of Ⅶ20 Coal Seam in Pingdingshan No.2 Coal Mine of Pingdingshan Tian'an Coal Industry Co., Ltd.

XU Yan-wei

doi:10.3969/j.issn.1008-3731.2019.04.018

Home>Articles>Study on Measuring Effective Gas Drainage Radius of Ⅶ20 Coal Seam in Pingdingshan No.2 Coal Mine of Pingdingshan Tian'an Coal Industry Co., Ltd.

DOI: 10.3969/j.issn.1008-3731.2019.04.018

Study on Measuring Effective Gas Drainage Radius of Ⅶ20 Coal Seam in Pingdingshan No.2 Coal Mine of Pingdingshan Tian'an Coal Industry Co., Ltd.

XU Yan-wei

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Publication Date：2019-01-01

Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)

Pages：4( 59-62 )

Coal Science & Technology Magazine

ISSN：1008-3731

Year, Vol.(Issue)：2019,40(4)