Table 2 Fitting table of coal rock desorption model (CH4).

From: Investigation into the variation characteristics and influencing factors of coalbed methane gas content in deep coal seams

Sample

Ro

Fitting formula

Correlation coefficient

No. 1

0.89

\(V=\frac{5.79p}{0.45p+1}+1.83\)

0.9938

No. 2

1.68

\(V=\frac{13.64p}{0.88p+1}+3.65\)

0.9913

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