Table 1.
Uniform design with three parameters and four levels
| Concentration (Parameter 1) | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 |
| Temperature (Parameter 2) | 4 | 2 | 1 | 3 | 1 | 3 | 4 | 2 | 2 | 1 | 3 | 4 |
| Path height (Parameter 3) | 4 | 3 | 1 | 3 | 1 | 2 | 2 | 4 | 3 | 2 | 4 | 1 |
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.