反向过滤

让大物质通过的膜

加入我们的科学爱好者社区!

00

Steven Ashley is a freelance science-technology writer and editor.

More by Steven Ashley
大众科学 Magazine Vol 287 Issue 1This article was originally published with the title “Filtering in Reverse” in 大众科学 Magazine Vol. 287 No. 1 ()
doi:10.1038/scientificamerican072002-309cgZuUOSKsoUTVWatUqp
© . All rights reserved.