Table 2.
Values of average roughness
| Untreated sample-N | Sample treated with coca cola | |||
| Arithmetic mean of Ra values of all measurement points Xsr | 34.66 | 76.28 | ||
| Variables | temp | tgr | Statistical significance | P |
| N-Ra /CC5-Ra | -237.9093 | 3.291 | VSZ | < 0.001 |
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.