The generalized conditional symmetry; Exact solutions; The nonlinear reaction diffusion equations; symmetry group.
广义条件对称；精确解；非线性反应扩散方程；对称群。
After a series of conditional experiments with the apparatus, the optimum experimental conditions of gas releasing, such as sample granularity, HCl concentration and reaction duration, are confirmed.
通过一系列条件试验，确定了在改进后装置下酸脱气过程中最佳的样品粒度、盐酸浓度、反应时间等条件。
A complete classification of the functional forms of the reaction coefficients and source terms is presented when the equation admits the generalized conditional symmetry reduction.
又对允许广义条件约化的方程的反应系数和热源项的函数形式作了分类。
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