Figure 18.
SEM micrographs displaying the microstructures of (a) GPO-0%NS, (b) GPO-1%NS, (c) GPO-2%NS, (d) GPO-3%NS, and (e) GPO-4%NS.
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.