|
x
1.3
1.31
1.32
1.33
1.34
1.35
1.36
1.37
1.38
1.39
erfc
0.065992055
0.063936877
0.061934845
0.059984974
0.058086285
0.056237804
0.054438563
0.052687602
0.050983965
0.049326704
x
1.4
1.41
1.42
1.43
1.44
1.45
1.46
1.47
1.48
1.49
erfc
0.04771488
0.046147561
0.044623821
0.043142747
0.04170343
0.04030497
|
|
|
있다. 오차함수표를 이용하면,
0.521 - 0.500
=
- 0.5205
0.550 - 0.500
0.5633 - 0.5205
, 0.42
=
- 0.5205
0.5633 - 0.5205
= 0.538
erf 0.521 = 0.538
= 0.90 - (0.70)(0.538) = 0.52%
12.
= 1024atoms/m3 = ?m
= 0 atoms/m3 = 3h = 3h × 3600s/h = 1.08 × 104s
= 1022 atoms/m3 1100℃ = 7.0 × 10-17m2/s
1024 - 1022
=
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|
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