Figure 11.
The relationship between the dosage of SS activator and the flexural strength. (a) 3 days, (b) 7 days, (c) 28 days.
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.