Through nonlinear fitting on clastic coal core gas desorption laws in Jiedong mine,compared each desorption model of the loss to the loss of volume by calculation methods.

• 通过对街洞矿区碎屑状煤芯瓦斯解吸规律的非线性拟合,对各解吸模式的损失量与用计算方法所求得的损失量进行了比较。