对流扩散问题是主要研究流体中由流体质点所携带的某种物理量，如温度或溶解于流体中的物质的浓度在流动过程中的变化规律。
我们探讨了正常呼吸状态下人体气道内氧及二氧化碳对流扩散问题。
The convective diffusive problems of oxygen and carbon dioxide in human airway at normal respiratory status were studied theoretically in the present paper.
文中利用泡函数构造数值，求解抛物型强对流扩散问题的稳定化方法，并给出收敛性分析。
A new stabilized finite element method by also presented use of residual-free bubbles for the parabolic convection-dominated diffusion problems, and proved the convergence.
文中利用泡函数构造数值，求解抛物型强对流扩散问题的稳定化方法，并给出收敛性分析。
A new stabilized finite element diffusion problems, method by also presented use of residual-free bubbles for the parabolic convection-dominated and proved the convergence.
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