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As random walk dimensionality ranges from two to three, the part of power exponent that shows dynamic property influence is less than zero. When medium is equality, dispersion will be normal £¨brownian motion£©, so the right item of formula achieves maximum value of zero. While medium is fractals, dispersion displays abnormal, and then right item of formula will be varying around -1 to 0. The more heterogeneity of medium is better, the smaller the right of item takes, the opposite tendency to penetration.
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Formula£¨1£©and Henquis equation go all the way that provides empirically Henquis equation with physical and mathematical analysis. Meanwhile, compare with obtained similar expression of other researchers, formula (1) combines flow dynamic and static properties that embodies common influence of them on fluid penetration.
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