Using model of coronal and non-coronal radiation, ionization rate equation has been solved respectively.

在日冕和非日冕两种模型下，分别求解了电离速率方程。

youdao

And the equation to calculate ionization rate is obtained at the base of the principle that the system free energy is the least versus the particle number.

论文采用统计求和法推导出系统自由能的表达式，利用系统自由能对粒子数取最小值的原理得到计算电离度的沙赫方程。

youdao