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[求助]
帮忙翻译一下,本人英语水平有限,谢谢了,附有图片
2.3. Method 1: hydrodynamic dispersion relationship
When advective transport increases with respect to diffusive transport, not only diffusion but also hydro-dynamic dispersion occurs (Domenico and Schwartz,1997).
This can be expressed by:
where Dapp is the apparent diffusion coefficient, and α is the dispersion length (m), a characteristic of the porous medium.
Thus, by plotting Di as a function of Vapp for a series of experiments with increasing values of electrical field, the slope of the regression line is the dispersion length, while its intercept with the ordinate axis is the apparent diffusion coefficient, Dapp.
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