Figure 2.
(a–c) FE-SEM images and (b) BET results of the HAPC obtained after chemical activation and carbonization processes of pine cone flowers.
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.