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1.The study of intraparticle diffusivity is crucial for understanding the behavior ofmaterials in a granular medium.
研究颗粒内部扩散性对于理解材料在颗粒介质中的行为至关重要。
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2. In order to improvethe performance of the material, it isnecessary to understand the intraparticle diffusivity.
为了提高材料的性能，有必要了解颗粒内部扩散性。
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3. Theresearch on intraparticlediffusivity has provided valuableinsights into the transport properties of granular materials.
颗粒内部扩散性的研究为颗粒材料的传输特性提供了宝贵的见解。