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

Figure 4

Fit curves for the diffusion coefficient of the samples in the early stage under different loading frequencies. (a) Equilibrium pressure of 0.5 MPa. (b) Equilibrium pressure of 1.0 MPa. (c) Equilibrium pressure of 1.5 MPa.

(a)

(b)

(c)