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全日制十年制学校高中课本《物理》上册的最后一个学生实验是:验证气体状态方程。气体状态方程实验器(小型水银气压计)的构造比较简单,一般学校都可自制。制法是:将内径约3.2毫米、长约280毫米的玻璃管。在喷灯上烧封一端管口后弯成U形,使封闭端的一段玻璃管长约100毫米;开口端的一段玻璃管长约150毫米,再固定在刻度尺上,
The last student’s experiment in the “Physics” book of the full-time 10-year high school textbook “Physics” is to verify the gas state equation. The structure of the gas state equation tester (small mercury barometer) is relatively simple to construct and can generally be made in schools. The preparation method is: a glass tube having an inner diameter of about 3.2 mm and a length of about 280 mm. After blowing one end of the nozzle on the torch, it is bent into a U shape so that the length of the glass tube at the closed end is about 100 millimeters. The length of the glass tube at the open end is about 150 millimeters, and then it is fixed on the scale.