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运用高速显微摄影方法对１０￣１…１０￣３ｕｍ尺度上的微观混和过程进行了实验观察，将物质微元的形态特征归结为片状与条状两类。在此基础上，提出了片状结构模型，将微观混和描述为片状微元上的收缩变形与分子扩散。分析表明，由于变形与扩散之间的相互作用，微元上分子扩散区的宽度将趋于某一尺度δ＝１２λＢ，从而使微元体积呈指数增长，ｖ～ｅｘｐ（ｓｆ）．微观混和对化学反应的影响可用Ｄａｍｋ６ｈｌｅｒ数Ｄａ来表征，模型能够正确模拟这种影响。
The micromixing process on the scale of 10 ~ 1 ... 10 ~ 3um was experimentally observed by using high-speed microscopic photography method, and the morphological characteristics of the material micro-elements were reduced to two types of sheets and strips. On this basis, the sheet structure model is proposed, and the microscopic mixing is described as shrinkage deformation and molecular diffusion on the sheet-shaped micro-elements. The analysis shows that due to the interaction between deformation and diffusion, the width of the molecular diffusion region on the micro-element will tend to a certain scale δ = 12λB, so that the volume of the micro-element grows exponentially, v ~ exp (sf). The effect of micromixing on the chemical reaction can be characterized by the Damk6hler number Da and the model can correctly model this effect.