这些新化合物均经元素分析和红外光谱鉴定。

All of the compounds were confirmed by elemental analysis and ir.

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利用拉曼光谱鉴定宝石越来越受到宝石学界的关注。

The use of Raman spectroscopy to identify gem has attracted the attention of increasing number of gemologists.

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本文介绍了利用化学法分离，红外光谱鉴定国外一工程塑料件的化学物质组成成分。

This paper reported the result of the analysis of the chemical components of foreign—made engineering plastic artical.

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Because only atomic hydrogen has that set of lines which means I could then take the spectra of gas phase species and use that information to identify.

我在这抬头看看然后离开，那就是氢原子,那就意味着,我可以测定,气相种类的光谱并且运用那个信息来鉴定。

麻省理工公开课 - 固态化学导论课程节选