Research Article
Analysis of Similarities and Differences between Acoustic Emission and Charge Signal Based on Fractal Characteristics of Coal Fracture
Figure 7
Stress-acoustic emission-charge signal curve of coal. (a) Db = 2.36342; (b) Db = 2.19368; (c) Db = 2.13784; (d) Db = 2.15006.
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| (b) |
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