Table 3 The result of orthogonal test

1

1

1

1

1

56.76

22.54

73.79

2

1

2

2

2

69.10

24.97

85.14

3

1

3

3

3

73.18

30.92

98.65

4

2

1

2

3

72.14

31.63

99.44

5

2

2

3

1

34.94

26.04

68.46

6

2

3

1

2

64.81

24.73

82.34

7

3

1

3

2

62.08

30.09

91.09

8

3

2

1

3

65.58

28.54

89.99

9

3

3

2

1

52.24

24.25

74.56

K1

257.58

264.32

246.12

216.81

K2

250.24

243.59

259.14

258.57

K3

255.64

255.55

258.20

288.08

k1

85.86

88.11

82.04

72.27

k2

83.41

81.20

86.38

86.19

k3

85.21

85.18

86.07

96.03

R

2.45

6.91

4,34

23.76