Table 5 Variance analysis of the surface tension model.

From: Optimization and performance evaluation of a fully biodegradable dust suppressant with ternary synergistic effect

Source

Sum of Squares

df

Mean Square

F Value

P Value

Source

Model

3.54

9

0.39

19.39

0.0004*

significant

A-XG

0.045

1

0.045

2.22

0.1800

 

B-GLY

0.000

1

0.000

0.000

1.0000

 

C-APG

2.88

1

2.88

141.97

 < 0.0001*

 

AB

2.500E-003

1

2.500E-003

0.12

0.7359

 

AC

0.022

1

0.022

1.11

0.3273

 

BC

0.20

1

0.20

9.98

0.0159*

 

A2

0.029

1

0.029

1.41

0.2734

 

B2

4.47E-003

1

4.47E-003

0.22

0.6539

 

C2

0.34

1

0.34

16.56

0.0047*

 

Residual

0.14

7

0.020

   

Lack of Fit

0.090

3

0.030

2.31

0.2183

not significant

Pure Error

0.052

4

0.013

   

Cor Total

3.68

16

    
  1. R2 = 0.9614, Adj- R2 = 0.9119, Pred-R2 = 0.5869, AP = 15.105, CV = 0.52, * indicates significance (P < 0.05).
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