Laboratory Study on Changes in Gas Desorption Properties of Anthracite after Cyclic Loading

Figure 5

Fitting curves of the diffusion coefficients of the samples in the early stage under different loading amplitudes. (a) Equilibrium pressure of 0.5 MPa. (b) Equilibrium pressure of 1.0 MPa. (c) Equilibrium pressure of 1.5 MPa.

(a)

(b)

(c)