A four - grade porestructuremodel was brought forward for the first time, while all the previous structure models were evaluated.
首次提出了分四级描述的结构模型，评价并总结了前人所提出的结构模型。
2
Combined with the fitting parameters obtained from the VG model, the effects of mineral composition and porestructure of the soil on SWCC are analyzed.
结合VG模型拟合的参数，着重分析了矿物成分和孔隙结构对膨胀土土水特征曲线的影响。
3
The development of fractal catalysts study in recent years was analyzed from four aspects: selection and assessment of catalysts, fractal porestructure, reaction dynamics and mathematics model.