Even in an insulator the electrons can move about without leaving their parent atoms or molecules.
甚至在绝缘体内,电子也能不离开它所属的原子或分子而运动.
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More intense radiation should have imparted greater acceleration to the electrons.
较强的辐射应该使电子获得较大的加速度.
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Penetration in matter depends on the kinetic energy of the electrons, E.
在物质中的贯穿能力,都是和电子的动能E有关的.
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Large numbers of electrons are transferred from the glass rod to the silk cloth.
大批电子由玻璃棒转移到绸布上.
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Halogen atoms contain seven electrons in their valence shell, and , consequently, are monovalent.
卤原子在它们的价电子层含有七个电子, 因此是一价的.
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Atomic electrons do not behave in this way, regardless of Maxwell's theory.
原子中的电子并非如此, 它并不遵循麦克斯韦的理论.
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The electron microscope uses a beam of electrons to produce images at high magnifications...
电子显微镜利用电子束形成高倍影像。
《柯林斯高阶英汉双解学习词典》
In any atom, not more than two electrons can occupy any given quantum state.
在任一原子中, 不可能有两个以上的电子占据任一给定的量子态.
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Except for the transitional elements, valency electrons are in the outermost electron shell.
除去过渡元素外, 价电子位于最外面的电子层.
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Many properties of an atom are determined by the outermost electrons.
一个原子的许多性质都是由其最外层的电子所确定的.
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These wavelengths are presumably caused by oscillations of the electrons in the atom.
这些波长可能由原子中的电子振动所确定.
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The reason is that their valence band is full of electrons, which obstructs current flow.
因为它们的价带填满了电子, 使电流无法流动.
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The charges themselves in either case are those of electrons or protons.
任一种情况下,电荷就是电子或质子的电荷.
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