Figure 2.
SEM images of PVP (1% w/w) particles produced at (a) 80 bar and (b) 120 bar.
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.