Research Article
Identification of Initial Crack and Fracture Development Monitoring under Uniaxial Compression of Coal with High Bump Proneness
Figure 4
NMR reconstruction of coal samples: (a) main view, (b) top view, and (c) side view.
| (a) |
| (b) |
| (c) |
| (a) |
| (b) |
| (c) |