International Journal of Interdisciplinary Research
Table 5 Central combination test design scheme and test results
From: The effect of washing parameters on the quantity of dye discharge from clothes
Run | A/min | B/℃ | C/L | D/g | R/mg |
|---|---|---|---|---|---|
1 | 1 | − 1 | − 1 | 1 | 34.67 |
2 | 1 | 1 | − 1 | 1 | 37.65 |
3 | 1 | − 1 | 1 | − 1 | 23.92 |
4 | 0 | 0 | 0 | 0 | 46.20 |
5 | 1 | 1 | 1 | − 1 | 22.94 |
6 | 0 | 0 | 2 | 0 | 40.60 |
7 | 0 | 0 | 0 | 0 | 49.53 |
8 | 2 | 0 | 0 | 0 | 38.80 |
9 | − 1 | − 1 | − 1 | − 1 | 26.60 |
10 | − 1 | − 1 | 1 | 1 | 41.64 |
11 | − 1 | − 1 | 1 | − 1 | 24.76 |
12 | − 1 | 1 | − 1 | 1 | 32.56 |
13 | 0 | 0 | − 2 | 0 | 21.70 |
14 | 0 | 0 | 0 | 2 | 52.20 |
15 | 0 | − 2 | 0 | 0 | 28.00 |
16 | 1 | − 1 | − 1 | − 1 | 22.43 |
17 | − 1 | 1 | 1 | − 1 | 19.96 |
18 | 0 | 2 | 0 | 0 | 38.80 |
19 | − 1 | 1 | 1 | 1 | 38.34 |
20 | − 1 | − 1 | − 1 | 1 | 30.22 |
21 | 1 | − 1 | 1 | 1 | 35.01 |
22 | 0 | 0 | 0 | 0 | 49.69 |
23 | 0 | 0 | 0 | 0 | 51.80 |
24 | 0 | 0 | 0 | 0 | 53.60 |
25 | 1 | 1 | − 1 | − 1 | 25.62 |
26 | 0 | 0 | 0 | 0 | 49.20 |
27 | 1 | 1 | 1 | 1 | 40.19 |
28 | − 2 | 0 | 0 | 0 | 33.20 |
29 | 0 | 0 | 0 | − 2 | 21.60 |
30 | − 1 | 1 | − 1 | − 1 | 22.68 |