Modification of Coal Samples with Bursting Liability Subjected to Microwave Irradiation

Figure 15

The real graphs and schematic diagrams for the cracks in the CGN1-1 and CGY2-2. (a, c) The real graphs and schematic diagrams for the CGN1-1. (b, d) The real graphs and schematic diagrams for the CGN2-2.

(a)

(b)

(c)

(d)