查询词典 elemental

The structures of the target compounds 6 were characterized by IR, 1H NMR spectra and elemental analysis.

目标产物的结构通过IR， 1H NMR和元素分析进行了表征。

All the compounds were confirmed by elemental analysis, IR and ^1H NMR.

所有的化合物经元素分析、IR和^1HNMR得到了证实。

During this period significant analytical contributions to chemistry include the development of systematic elemental analysis by Justus von Liebig and systematized organic analysis based on the specific reactions of functional groups.

这一时期分析化学对化学的贡献为：尤斯图斯-冯-李比希的系统元素分析、以官能团特殊反应为依据的系统化有机分析。

Hanna: That's over now, isn't it?

都结束了，对吗

You must be ill. You look so pale.

你一定是病了，你的脸色苍白。