网络释义专业释义英英释义
键。 中文名称： σ键 英文名称： sigma bond 应用学科： 化学（一级学科） 释义 由两个相同或不相同的 原子轨道沿轨道对称轴方向相互重叠而形 成的共价键，叫做σ键。σ键是原子轨道沿轴方向重叠而形成
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Sigma bond
- abstract: In chemistry, sigma bonds (σ bonds) are the strongest type of covalent chemical bond. They are formed by head-on overlapping between atomic orbitals.
以上来源于: WordNet
双语例句原声例句
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PROFESSOR: Yup, it's a sigma bond.
教授：它是sigma键。
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It turns out that it's a sigma bond.
实际上它是sigma键。
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So in this first case here, what we're seeing is a sigma bond.
在第一个例子里，我们看到的是sigma键。
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And a sigma bond forms any time you have two orbitals coming together and interacting on that internuclear axis.
当你把两个轨道合在一起,并在核间轴上有相互作用时,就形成了sigma键。
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So it's going to be a sigma bond, 1s and we have oxygen 2 s p 3 and hydrogen 1 s.
它是sigma键，我们有氧2sp3和氢。
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Any time two orbitals come straight on together in that internuclear axis, you're going to have a sigma bond.
任何时候两个轨道,在核间轴上直接到一起，你就能得到sigma键。
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