基于土壤中溶质运移的对流弥散方程(CDE)提出了溶质运移参数估计的图解方法。
A graphing method is proposed in this paper for estimating parameters of solute transport in soils based on the convection-dispersion equation (CDE).
该模型的控制方程中不仅包含传统的对流和传导项，还有热弥散项，后者在许多著作中常被忽略掉。
The governing equation of the model contains not only the convection and conduction terms that were usually considered, but also the heat dispersion term that was generally neglected in many papers.
模型的控制方程不仅如通常那样包含对流项和传导项，还包含许多文献中常被忽略的热机械弥散项。
The governing equation of our model contains not only the convection and conduction terms, as usual, but also the heat dispersion term, which is neglected la many papers.
由于对流为主的弥散方程具有双曲性质，中心差分格式虽然关于空间步长具有二阶精度，但会产生数值弥散和非物理力学特性的数值振荡，使数值模拟失真。
Due to the hyperbolic properties of convection-dominate dispersion equations, the central difference formula often cause numerical dispersion and oscillation even it has two-order precision in space.
同时与传统的二维整数阶对流-弥散方程的求解结果作了对比。
Then we compared the calculation results of our new schemes with the solution of traditional two-dimensional advection-dispersion equation.
同时与传统的二维整数阶对流-弥散方程的求解结果作了对比。
Then we compared the calculation results of our new schemes with the solution of traditional two-dimensional advection-dispersion equation.
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