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一、简单原理云雾室的作用是在于观察微观粒子运动的径迹,并以此来研究微粒的性质. 在过饱和蒸汽中,若有尘埃或其他微小颗粒时,则过饱和汽就会以它们为核心而凝结成小液滴,这是早已发现的事实.后来威尔逊发现除了空气中的尘埃等可以作为凝结中心外,离子也可以作凝结中心,利用这道理我们就可以观察出微观粒子的运动情况.
First, the simple principle The function of the cloud chamber is to observe the track of the microscopic particles and to study the properties of the particles. In supersaturated steam, if there is dust or other fine particles, the supersaturated steam will use them. Condensing into small droplets for the core, this is a fact that has long been discovered. Later Wilson found that in addition to the dust in the air as a condensation center, the ions can also act as a condensation center. Using this principle, we can observe the movement of microscopic particles. Happening.