The chemical reaction that follows is very complex and continues for many years, and the concrete just keeps getting harder.

接下来的化学反应非常复杂，会持续很多年，混凝土只会变得越来越硬。

youdao

These bacteria actually combine the hydrogen sulfide with the carbon dioxide and this chemical reaction is what produces organic material which is the food for larger organisms.

这些细菌实际上就是硫化氢和二氧化碳的结合体，而这种化学反应产生的有机物质是更大的有机体的食物。

youdao

The bacteria, well the bacteria kind of feed the tubeworms through chemosynthesis, remember, that chemical reaction I described earlier.

而细菌呢，有点像通过化学合成的方式来为管虫提供食物，记得之前讲过的化学作用吧。

youdao

Soap is made from a chemical reaction called saponification.

VOA: special.2011.03.09

I can take an insulated box, and I can have a chemical reaction in that insulated box.

里面进行着化学反应,比如说把一个药店。

麻省理工公开课 - 热力学与动力学课程节选

To ask questions like how much heat is released in a chemical reaction that takes place at constant temperature.

当我们想要知道,当一个化学反应在恒定的温度下发生时,会放出多少热量时。

麻省理工公开课 - 热力学与动力学课程节选

Next, they prompted a chemical reaction, causing the cells to fuse and begin development.

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The resulting chemical reaction converts the nasty NOx fumes into nonpolluting nitrogen, water and carbon dioxide.

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He said his outfit included the packaging because of the technology--the chemical reaction--not the can.

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