A new simple pore mechanics model is established based the pore structure of low permeability reservoir rock, from which the quadratic equation of effective stress and permeability can be educed.

针对多孔介质特殊的孔隙结构特征，建立了一个新的简化孔隙力学模型，并由该模型导出了渗透率与有效应力的二次多项式关系。

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Fair skin spring to black useful, simple to black's method, how to go to black-headed contraction pore, how to use salt to black.

皙肤泉去黑头有用吗，简单去黑头的方法，如何去黑头缩毛孔，怎么样用盐去黑头。

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Anodic alumina oxide (AAO) membrane prepared by anodizing of al not only has a simple process, but also contains uniform parallel pores and high pore density.

阳极氧化铝膜不仅制备工艺简单，而且具有孔径分布均匀、孔密度高、孔道平行可根据实际需要调控孔径大小及分布。

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