化学的例句大全

Chemical energy is converted into heat when fuel burns.

燃料燃烧时,化学能就转换成热能.

All the chemical energy of the fuel is not converted into heat.

并非燃料中的所有化学能都可转为热能.

One advantage of SOFC is that hydrogen and carbon dioxide are as fuel in the cell.

燃料电池装置是能以高效率低污染的方式将化学能直接转换成电能和热能的一项正在迅速发展的技术.

Cryoscopy is obtained by classical chemical methods.

冰点是由经典的化学方法获得的.

The overwhelming presence of chemical contaminants in our daily air, water, and food is a significant concern.

我们日常的空气、水和食物中化学污染物的存在是压倒性的，这是一个重大问题。

Chemicals in the body break our food down into useful substances.

人体中的化学元素把食物分解成有用的物质.

Gold, iron and tin are elements.

金, 铁和锡是化学元素.

Both hydrogen and oxygen are elements.

氢和氧都是化学元素.

The rest of the chemical elements occur in only minor or trace quantities.

其余的化学元素仅以少量或微量出现.

He likes to keep track of all the new developments in chemistry.

他喜欢了解化学方面一切新发展的情况.