Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
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) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Control variables, their coded values and actual values included in optimisation.
| Control variables | Units | Symbol | Coded levels | ||||
|---|---|---|---|---|---|---|---|
| − 1.68 | − 1 | 0 | + 1 | + 1.68 | |||
| Ethanol concentration | %, v/v | X1 | 7.95 | 25 | 50 | 75 | 92.05 |
| Temperature | °C | X2 | 14.77 | 25 | 40 | 55 | 65.23 |
| Sonication time | min | X3 | 3.18 | 10 | 20 | 30 | 36.82 |
