Advances in Civil Engineering / 2020 / Article / Fig 6

Research Article

A Study of the Laws of Abnormal Gas Emissions and the Stability Controls for Coal Mine Walls in Deeply Buried High-Gas Coal Seams

Figure 6

Relationship between the specific surface area increments of the coal and the pore diameters of the No. 8 coal seam (Å is 10−1 nm): (a) hard coal; (b) soft coal.

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