Research Article
A Study of the Differences in the Gas Diffusion and Migration Characteristics of Soft and Hard Coal in High Gas Coal Seams
Table 1
Pore structural parameters of the soft coal and hard coal in the different coal seams.
| Pore structural parameters (m2/g) | Soft coal and hard coal bodies of the different coal seams | No. 6 soft | No. 6 hard | No. 11 soft | No. 11 hard |
| BET specific surface areas | 3.5421 | 1.8008 | 1.6179 | 0.8278 | BJH specific surface areas | 2.9642 | 1.4593 | 1.4921 | 0.453 |
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