Table 2 Box-Behnken experimental design with three factors and three levels.

From: Exploration of electrospinning hemp/polyacrylonitrile composite fiber membrane and dye adsorption capabilities

Level

Heating temperature (℃)

Methylene blue concentration (mg/L)

Oscillation time (h)

1

35

15

6

2

40

20

8

3

45

25

10

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