摘要
对测量空气密度和气体普适常量实验装置进行改进,用圆柱形有机玻璃密度瓶代替玻璃密度瓶,用高精度指针式真空表代替热偶真空规式真空计,利用橡胶管和密度瓶接口处的缓慢增气特性来改变空气压强,用电子物理天平称量气体质量,改进后的装置较适合学生实验.
In the experiment of measuring the air density and the universal gas constant, organic glass density bottle was adopted instead of glass density bottle, and the high accuracy pointer-type vacuum meter was used instead of thermocouple vacuum gauge. The air pressure was changed by the leakage between the rubber hose and density bottle connector, and the mass of the gas was measured by the electronic physical balance. The improved device was well for student experiment.
出处
《物理实验》
北大核心
2011年第12期24-26,共3页
Physics Experimentation
基金
唐山师范学院科学研究基金项目(No.09D10)
