Is just a chemical reaction that compels animals to breed.

不过是让动物繁衍后代的化罢了。

The enzyme luciferase causes a chemical reaction.

酶荧光素酶引起化。

It's actually to start a chemical reaction.

而是为了引发化。

Other aerosols can host chemical reactions that damage the ozone layer.

其他气溶胶可以主导伤害臭氧层的化。

Lots of chemical reactions occur here such as respiration.

很多化都发生在这里，如呼吸作用。

The blue hue is caused by chemical reactions in plankton which produced the blue light.

蓝色荧光是由浮游生物产生化产生的。

The teacher carefully explained each facet of the chemical reaction.

老师仔细解释了化的各个方面。

The ability to study chemical reactions stage by stage will be equally important.

能够研究化中的每样很重要。

No chemical reaction occurs when tape is pressed onto a surface.

当胶带被铺展在表面上，没有化的发生。

And this chemical reaction got a great reaction from the students.

这个化引起了生们的强烈响。

As the bubble gets hotter, different chemical reactions start taking place.

随着气泡变热，不的化开始发生。

In science, a catalyst is a substance that accelerates a chemical reaction.

在科中，催化剂是种加速化的物质。

And they tracked heat flow through the material, to monitor chemical reactions.

然后对通过这材料的热流进行追踪，以监测化。

The electricity in our bodies is created by chemical reactions between cells.

我们体内的电是由细胞间的化产生的。

DAC technology uses chemical reactions to remove carbon dioxide from the air.

直接空气碳捕获法技术能够利用化去除空气中二氧化碳。

The cell cytoplasm is the site of the cell's chemical reactions.

细胞质是细胞进行化的场所。

One enzyme can activate a thousand of these chemical reactions in an hour.

个酶每小时 可激发千个这种化。

Inside of that flame, there can be hundreds of chemical reactions taking place.

在苗火焰中，可能有上百种化正在进行。

These chemical reactions could be releasing a small burst of energy.

这些化可能会释放少量能量。

Now, during the roasting process, there are over 1,500 chemical reactions that take place.

在烘焙过程中，会发生超过 1,500 种化。