用NRTL模型，求解萘在一种离子液体中的活度系数。 求解非线性方程、非线性拟合都可以实现。 稍微对比了一下，发现还是拟合的结果好些。 Matlab源程序及结果在附件里-with NRTL model for naphthalene in an ionic liquid in the activity coefficient. Solve nonlinear equations, nonlinear fitting can be achieved. Contrast

Zeeman spectra of ionic mercury _199_Hg_ confinement and magnetic field effects._199_Hg_离子Zeeman谱及磁场效应.-Zeeman spectra of ionic mercury _199_Hg_ confinement and magnetic field effects.