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采用酶法提取、乙醇水混合溶剂提取工艺提取侧柏叶有效成分，对提取液的超滤过程进行研究。建立了该体系超滤过程的修正凝胶化模型，对模型参数进行了关联。该模型可适用于整个超滤操作压力范围，计算值与实验值非常一致。
The enzymatic extraction and ethanol-water mixed solvent extraction were used to extract the active ingredients from Oriental Arborvitae, and the ultrafiltration process of the extract was studied. A modified gelation model for the ultrafiltration process was established and the model parameters were correlated. The model can be applied to the entire ultrafiltration operating pressure range, the calculated value and the experimental value is very consistent.