Table 1 Experimental factor coding table.

From: Study on the effect of different high-voltage electric field polarization process parameters on the vitality of dried chili pepper seeds

Coded Value

Considerations

Output voltage X1/kV

Polarisation time X2/s

− 1.41421

9.17157

15.8579

− 1

10

20

0

12

30

1

14

40

1.41421

14.8284

44.1421

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