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.
(a)
(b)

We are committed to sharing findings related to COVID-19 as quickly as possible. We will be providing unlimited waivers of publication charges for accepted research articles as well as case reports and case series related to COVID-19. Review articles are excluded from this waiver policy. Sign up here as a reviewer to help fast-track new submissions.