用非线性参数估计法对四氢萘加氢裂化反应网络的拟一级动力学常数进行了计算。
The pseudo-first-order kinetic rate constant of each step in the network of hydrocracking of tetralin was evaluated by the nonlinear parameter estimation method.
用拟线性化方法时方程求解并进行参数估计，得到了离子在聚苯胺膜中的扩散系数。
The solution of the equation and estimation of the parameters were carried out by the quasilinearization method.
讨论一类退缩拟线性抛物方程组解的局部存在性与猝灭，证明了在一定条件下解在有限时刻发生猝灭，并给出猝灭时间的一个上限估计。
A class degenerate quasilinear parabolic systems is considered. The local existence is proved. In some conditions the solution quench in a finite time. And an estimate of quenching time is given.
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