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.
The adjusting line to the data obtained by means of the least squares fit is shown (R2=0.40) and the RA is correlated with the CA with this formula: RA=0.19-3.17×CA.
