Fig 7. Residual plots for yield of HAp nano powder, based on Central Composite Design (CCD).
A: normal probability; B: residuals.
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.