Results show that the drying process is influenced by the intrinsic heat of microwave power, and the environment and the resistance of mass transfer.

证明了微波干燥既受内热源的影响，同时又受外界环境和湿份传递路径的影响。

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The resistance and mass transfer property of ultrafiltration are analyzed, and the modified model of gelatification and polarization is established for the ultrafiltration process.

同时对超滤过程的阻力及传质特性进行分析，并建立超滤过程的修正凝胶极化模型。

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The different effects of external sorption, adsorption and diffusion on mass transfer resistance are discussed and the resistance model of membrane mass transfer was built.

讨论了界面吸附、脱附与扩散对传质阻力的不同影响，建立了薄膜传质的串联阻力模型。

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