Roughness of the thin film surface is due to its sharp protuberance and nano-size pore structure.

薄膜中大量的纳米微孔结构及尖锐的峰状突起增加了表面的粗糙度。

youdao

What happens depends on pore size.

所发生的一切取决于孔隙大小。

youdao

youdao

many of these ion channels have this size exclusion pore, it's a very important part of them.

很多离子通道也都有这样的具有尺寸排斥性的小孔，这是它们非常重要的组成部分。

麻省理工公开课 - 化学原理课程节选