Figure 10.
Models of water droplets as templates to form circular pores (A) or elliptic pores (B), with copyright permission from [93].
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.