Moisture Content on Methane Desorption Characteristics in Coal and Its Effect on Outburst Prediction

Table 2

The regression analysis results.

Model	Fitting formula	Adj. R-square
Linear	ΔP = 17.07–1.43  Mad	0.9464
Exponential	ΔP = 18.07  exp (−Mad/5.6) + 1.08	0.9978
Logarithmic	ΔP = 15.66–4.68  Ln (Mad)	0.9735
Power	ΔP = 15.59  Mad^−0.47	0.8953