Skip to main content
. 2022 Mar 1;84:105966. doi: 10.1016/j.ultsonch.2022.105966

Table 1.

Experimental design and results of RSM.

No. Variable COPs yield/%
X1 /W X2 /℃ X3 /(mL/g) X4 /min
1 −1 (2 0 0) −1 (50) 0 (20) 0 (30) 6.95
2 1 (4 0 0) −1 (50) 0 (20) 0 (30) 7.03
3 −1 (2 0 0) 1 (70) 0 (20) 0 (30) 7.24
4 1 (4 0 0) 1 (70) 0 (20) 0 (30) 7.21
5 0 (3 0 0) 0 (60) −1 (15) −1 (20) 6.93
6 0 (3 0 0) 0 (60) 1 (25) −1 (20) 7.16
7 0 (3 0 0) 0 (60) −1 (15) 1 (40) 7.11
8 0 (3 0 0) 0 (60) 1 (25) 1 (40) 7.21
9 −1 (2 0 0) 0 (60) 0 (20) −1 (20) 7.13
10 1 (4 0 0) 0 (60) 0 (20) −1 (20) 6.89
11 −1 (2 0 0) 0 (60) 0 (20) 1 (40) 6.99
12 1 (4 0 0) 0 (60) 0 (20) 1 (40) 7.28
13 0 (3 0 0) −1 (50) −1 (15) 0 (30) 6.83
14 0 (3 0 0) 1 (70) −1 (15) 0 (30) 7.38
15 0 (3 0 0) −1 (50) 1 (25) 0 (30) 7.26
16 0 (3 0 0) 1 (70) 1 (25) 0 (30) 7.23
17 −1 (2 0 0) 0 (60) −1 (15) 0 (30) 6.92
18 1 (4 0 0) 0 (60) −1 (15) 0 (30) 7.06
19 −1 (2 0 0) 0 (60) 1 (25) 0 (30) 7.11
20 1 (4 0 0) 0 (60) 1 (25) 0 (30) 7.19
21 0 (3 0 0) −1 (50) 0 (20) −1 (20) 6.97
22 0 (3 0 0) 1 (70) 0 (20) −1 (20) 7.16
23 0 (3 0 0) −1 (50) 0 (20) 1 (40) 6.93
24 0 (3 0 0) 1 (70) 0 (20) 1 (40) 7.31
25 0 (3 0 0) 0 (60) 0 (20) 0 (30) 7.42
26 0 (3 0 0) 0 (60) 0 (20) 0 (30) 7.39
27 0 (3 0 0) 0 (60) 0 (20) 0 (30) 7.31
28 0 (3 0 0) 0 (60) 0 (20) 0 (30) 7.50
29 0 (3 0 0) 0 (60) 0 (20) 0 (30) 7.16
30 0 (3 0 0) 0 (60) 0 (20) 0 (30) 7.24