Fractal model was an effective tool to describe the distribution characteristics of ore-forming elements.
分形模型是刻画成矿元素品位分布特征的有效工具。
The steady oil production and pressure distribution formulae of vertically fractured well for power_law non_Newtonian fluid were derived on the basis of the elliptic flow model in fractal reservoirs.
以椭圆渗流模型为基础，得到了分形油藏中，垂直裂缝井的幂律型非牛顿流体的定常渗流的压力分布公式和产量公式；
The physical mechanism of fragment distribution and the fractal model on the increasing of fractal dimension are studied in this paper.
文中解释了砂岩碎屑分维增大的原因，研究了碎屑分形分布的物理机制。
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