Model label

Model

PRSE Values (%)

Coefficient (a)

Exponent (b)

M1

0.2411(D²)^0.959

14.68

8.16

M2

0.1938(D²H)^0.762

19.30

9.35

M3

0.0600H(D²)^0.899

19.83

10.29

M4

0.6484(D²ρ) ^0.930

11.38

7.59

M5

0.7217ρ(D²) ^0.921

13.36

8.16

M6

0.3710(D²ρH) ^0.767

13.45

8.81

M7

0.5412ρ(D²H) ^0.744

18.14

9.26