chemical constituent

常见例句

The chemical constituent change in bond area is the main factor that makes the martensitic zone.
熔合区化学成分的变化是马氏体带形成的主要原因。
Liquid glass is composed of almost pure silicon dioxide, the chemical constituent of quartz or silica, basically like ordinary glass.
液态玻璃几乎是由纯二氧化硅构成的，二氧化硅就是石英或硅石中的化学成分，基本上象普通玻璃一样。
huzhangao.blog.163.com
To review the recent study on crude drug identification, chemical constituent, principle of processing, pharmacological action of fructus aurantii.
综述枳壳的生药鉴定，以及化学成分、炮制机理、药理作用等方面近年的研究进展。

That's very useful for things like chemical reactions where this constituent changes to this one.
对于化学反应之类的过程,这是非常重要的。
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Oxygen, water's other chemical constituent, is common in rocks.
ECONOMIST: Mars Odyssey
According to Dr Eastlund, breaking nuclear waste up into its constituent elements using a fusion torch would have a number of advantages over the chemical approach.
ECONOMIST: Nuclear waste