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. 2020 Apr 16;14:1481–1491. doi: 10.2147/DDDT.S236997

Table 2.

The Factors Level Table of Response Surface

Factors Level
−1 0 1
A lipid ratio (%) 1 1.5 2
B ultrasonic time (min) 15 20 25
C ultrasonic power (w) 65 100 130