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.
Signal-to-noise ratios for “the smaller the better” quality characteristics.
| Trial Number | 1st Stage Injection Rate Level | 2nd Stage Injection Rate Level | 3rd Stage Injection Rate Level | 4th Stage Injection Rate Level | S/N |
|---|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 1 | −10.37 |
| 2 | 1 | 2 | 2 | 2 | −19.18 |
| 3 | 1 | 3 | 3 | 3 | −20.60 |
| 4 | 2 | 1 | 2 | 3 | 7.57 |
| 5 | 2 | 2 | 3 | 1 | −10.68 |
| 6 | 2 | 3 | 1 | 2 | −16.89 |
| 7 | 3 | 1 | 3 | 2 | −11.10 |
| 8 | 3 | 2 | 1 | 3 | −8.07 |
| 9 | 3 | 3 | 2 | 1 | −16.17 |
