对中师物理学第二册第82页沸腾一节的实验,我们作了如下的改进:用附图所示的装置,以人工吹气作演示效果较好,如能由学生分组观察实验,则效果更好。其优点是:①不用抽气机,而是用咀含着橡皮管吸气或 We have made the following improvements to the experiment of the boiling section of page 82 of the second volume of Physics of the Central Normal University: Using the device shown in the drawing, artificial blowing is better for demonstrations. If students can observe the experiment in groups, The effect is better. The advantages are: 1 It does not use a suction machine, but rather sucks in with a rubber tube