该文对液氮成冰效率作了小云室实验介绍。
The number of ice crystals generated from lg liquid Nitrogen was determined in a cloud chamber.
一块铝板横放在云室中，显然有粒子穿过铅板。
A lead plate crosses the chamber and evidently the particle has passed through it.
在一个改进后的云室里，研究人员们正在重塑地球的大气层。
In an updated version of a cloud chamber the researchers are recreating the Earth's atmosphere.
接着，关闭电场后，使真实的宇宙射线在云室中渗透一会。
Next, the field is switched off, allowing actual cosmic rays to permeate the chamber for a while.
电子是解释云室中电子运动轨迹或者显像管中发光点的一个有效模型。
Electrons are a useful model that explains observations like tracks in a cloud chamber and the spots of light on a television tube.
本文描述一个利用云室研究高能宇宙线粒子与石蜡的核作用中次级粒子角分布的实验。
A cloud chamber experiment is described, in which the angular distribution of secondary particles produced in nuclear interaction by high energy cosmic ray particles with paraffin has been studied.
等一起就绪，他们便用实验室里的老式质子加速器产生某种粒子流，轰击云室中的大气层。
Then they zap the results with a stream of particles from the laboratory's elderly proton synchrotron.
成核理论正确性的主要证据在于它能在云室实验中精密地预测多数液体的临界过饱和度。
The main evidence for the validity of nucleation theory rests on its ability to predict closely the critical supersaturation for most liquids in cloud chamber experiments.
科学家们首次将注意力转向亚原子微粒(包括宇宙射线)，并使用一种名为“云室”的装置对其进行研究。
When scientists first turned their attention to subatomic particles, including cosmic rays, they used a device called a cloud chamber to study them.
当一个带电粒子快速穿越云室时，水汽会凝结形成一串小液滴，这样便标识出了该粒子的路径；若将容器置于一个磁场中，还能知道粒子所带电荷的性质。
When a charged particle zips through the chamber, the vapour condenses into a trail of droplets showing the particle's path and, if the box is placed in a magnetic field, its electrical charge.
当一个带电粒子快速穿越云室时，水汽会凝结形成一串小液滴，这样便标识出了该粒子的路径；若将容器置于一个磁场中，还能知道粒子所带电荷的性质。
When a charged particle zips through the chamber, the vapour condenses into a trail of droplets showing the particle's path and, if the box is placed in a magnetic field, its electrical charge.
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