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转身丶忘不掉

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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.

帮忙翻译一下,本人英语水平有限,谢谢了,附有图片
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转身丶忘不掉: 金币+8, 翻译EPI+1, ★★★★★最佳答案 2014-09-03 17:15:08
方法1:水动力弥散关系
当对流传输相对于扩散传输增快时,扩散和水动力弥散过程均发生。用关系式表示为:

其中Dapp为表观扩散系数;a 是弥散长度(m),为多孔介质的一个特征。因此,通过提高电场值的一系列实验可以Di对Vapp作图,所得回归线的斜率即为弥散长度,纵坐标截距为表观扩散系数Dapp。
2楼2014-09-03 16:48:54
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