vertical diffusion

In this paper the three-dimensional convection-diffusion problem is reduced to a manageable two-dimensional problem, equivalent to only consider the flat direction of the convection-diffusion without considering the vertical movement of material deposition.

本文把三维对流扩散问题简化为比较容易处理的二维问题，相当于只考虑平面方向的对流扩散运动而不考虑垂直方向的物质沉降。

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Vertical diffusion features of small& type thermal flow smoke plume

小型热浮力烟流的铅直扩散特征

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Vertical microcrack originated in the process of heat treatment resulted in a higher thermal diffusion coefficient.

热处理使EB-PVD热障涂层中产生了垂直于基体表面的微裂纹，导致涂层热扩散系数高于沉积态。

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For rivers and reservoirs with water environment pollution control function divisions, lateral and vertical diffusion coefficient calculation, the pollution of the mixed zone calculation, the outle would be a very broad application prospect.

本项目所研究内容对于江河水库水污染控制与水环境功能区划、侧向与垂向扩散系数计算、污染混合区计算、岸边排污口设计等具有十分广阔的应用前景。

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Based upon Tschebyscheff functions methods are given for integrating the hydrostatic equation and the continuity equation and for computing vertical advection and vertical diffusion.

还对某些气象要素在垂直方向微商呈现间断的问题进行了分析，指出了其中存在的问题和应采取的措施。

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Existence Conditions and Equations of Similarity Solutions for Vertical Natural Convection Flows Induced by Buoyancy and Mass Diffusion From a Vertical Plane Group Theory Analysis for Laminar Natural Convection Flows from a Vertical Flat Plate

垂直平板由于热浮升力和质量扩散引起的自然对流方程组存在相似性解的条件和相似性解方程垂直平板层流自然对流的群论分析

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