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

Table 6

Fitting results for the relationship between the desorption capacity of the briquette samples within 2.5 min and the square root of time under different loading conditions.

Loading conditions		0.5 MPa		1.0 MPa		1.5 MPa
Frequency (Hz)	Amplitude (MPa)	A1	R^2	A2	R^2	A3	R^2
7	10–20	1.9808	0.9993	2.0010	0.9884	2.5511	0.9894
	12–18	3.6011	0.9946	3.6742	0.9945	3.7156	0.9939
	14–16	3.3655	0.9721	3.2429	0.9956	4.0132	0.9915
—	15	2.4768	0.9962	2.1588	0.9965	2.6301	0.9875