Figure 1.
Scanning electron micrograph of powder samples of PC (a), PC 2% (b), PC 5% (c), PC 10% (d), PC 15% (e) and MTA (f) (magnification, 1000×)
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.