理论值：
1.0摄氏度=75.626
2.5摄氏度=74.860
3.10摄氏度=74.113
4.15摄氏度=73.350
5.20摄氏度=72.583.
6.25摄氏度=71.810
7.30摄氏度=71.035
8.35摄氏度=70.230
9.40摄氏度=69.416
10.45摄氏度=68.592
11.50摄氏度=67.799
12.55摄氏度=66.894
13.60摄氏度=66.040
14.65摄氏度=65.167
15.70摄氏度=64.274
16.75摄氏度=63.393
17.80摄氏度=62.500
18.85摄氏度=61.587
19.90摄氏度=60.684
20.95摄氏度=59.763
21.100摄氏度=58.802
表面张力单位：mN/m.