一层塑料薄膜起着选择性渗透屏障的作用。

A plastic membrane serves as selective diffusion barrier.

youdao

目的探讨表皮渗透屏障对化妆品功能评价的影响。

Objective To study the effects of light damages of epidermal permeability barrier on cosmetics function evaluation.

youdao

这些糖蛋白物质可能是上皮渗透屏障的组成成分之一。

The glycoprotein material may contribute to the epithelial permeability barrier.

youdao