网络释义专业释义英英释义
alpha particle
- n. a positively charged particle that is the nucleus of the helium atom; emitted from natural or radioactive isotopes
以上来源于: WordNet
柯林斯英汉双解大词典
alpha particle
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1.
N a helium-4 nucleus, containing two neutrons and two protons, emitted during some radioactive transformations 阿尔法粒子
双语例句原声例句权威例句
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Rutherford used alpha particles.
卢瑟福用的是阿尔法粒子。
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So, what we've got here is a source of alpha particles.
我们已经有了一个阿尔法粒子源。
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He shot alpha particles which have a charge of plus two.
他入射的阿尔法粒子带有两个正电荷。
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And, so the experiment was to bombard the foil with these alpha particles, and that measure what happens to them.
因此用这些阿尔法粒子,去轰击金箔，将会发生什么事情呢。
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So this project was, let's see if we can detect any alpha particles by making a detector that swings around.
当你是本科生的时候，你们的导师会派一些,你们看上去很傻的工作,给你们干，现在这个工作就是。
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First of all, the majority of the alpha particles were transmitted through the screen, OK, majority, vast majority.
第一点，大部分的阿尔法粒子,全都从屏幕穿透过去了，嗯，大部分的，绝大部分的。
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