计算结果表明，顶层原子向内收缩至1.13A的失排结构为最可靠结构。

The result shows that missing row model with top layer spacing contracted to 1.13A is the most reliable structure.

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液相色谱、气相色谱、原子吸收、原子荧光室前处理间或缓冲间需要进行排风。

HPLC, GC-MS, AAS, and spectrometer atomic fluorescence on 5th floor need air exhaust function.

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Step three in our Lewis structure rules is to figure out how many electrons we would need in order for every single atom in our molecule to have a full valence shell.

路易斯结构规则的第三步是,找出让分子中每个原子的价壳层,都排满应该需要多少个价电子。

麻省理工公开课 - 化学原理课程节选