Research Article
A Study of the Differences in the Gas Diffusion and Migration Characteristics of Soft and Hard Coal in High Gas Coal Seams
Figure 6
Diagram of the relationships between the increments of the pore sizes and the specific surface areas and the increments of the pore volumes of the hard coal in the No. 6 coal seam. (a) Relationships between the increments of the pore sizes and the specific surface areas. (b) Relationships between the increments of the pore sizes and the pore volumes; A is 10−1 nm.
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