Certain amount of heat的意思|示意

As the lubricating oil passes over a hot engine part, it removes a certain amount of heat.

当机油经过发动机的热的部件时，它将带走一定量的热量。

So we don't really need to put in a certain amount of heat and change the temperature of the products and the calorimeter and so on.

所以我们实际上并不需要输入，一定的热量，改变生成物，和量热计的温度之类。

Even if you heat your house with electricity, the generation of the electrical power may also have emitted a certain amount of CO2.

就算你家的房子是用电采暖，电能产生的过程也是释放二氧化碳的。

So, for instance, a cannon-ball which is at rest possesses a certain amount of energy in the form of heat, which we measure in a similar way.

那么，以一枚古代大炮为例，它以热量的形式占据了相关数目的能量，我们可以用简单的方法来测量它。