基于水动力弥散理论的对流-弥散方程（Convection-Dispersion Equation，CDE）是常用的研究溶质 运移问题的数学模型 ［2］ 。
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对流弥散方程 advection dispersion equation ; Convective-dispersive equation ; CDE
本文根据对流弥散方程 Convective-dispersive equation ; CDE
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.
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.
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).
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