Experimental Study for Influence of Surfactants Chemical Microstructures on Wetting Effect about Coal Dust in Tongchuan Mining Area

Table 12

Fitting results of parameters in the model of evaluating the wettability of surfactants to bituminous coal.

Index	a	b	c	d	e	f		h	i	j	k
V	25.63	−1.07	−1.64	6.47	−2.57	12.88	0.07	13.24	−1.80	−12.90	0.24
S.E.	12.07	0.04	0.28	1.01	0.39	2.88	0.14	5.69	0.67	2.68	0.14