Is just a chemical reaction that compels animals to breed.

不过是让动物繁衍后代的化学罢了。

The enzyme luciferase causes a chemical reaction.

酶荧光素酶引起化学。

It's actually to start a chemical reaction.

而是为了引发化学。

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学。

Lots of chemical reactions occur here such as respiration.

化学都发生在这里，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生化学生的。

The teacher carefully explained each facet of the chemical reaction.

老师仔细解释了化学的各个方面。

Scientists think these chemical reactions could exist on icy moons.

科学家认为这些化学可能存在于冰冷的卫星上。

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

能够研究化学中的每一步同样重要。

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

当胶带被铺展在表面上，没有化学的发生。

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

这个化学引起了学生们的强烈响。

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

在科学中，催化剂是一种加速化学的物质。

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

然后对通过这一材料的热流进行追踪，以监测化学。

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学生的。

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学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学的场所。

Some of our senses, such as vision, use chemical reactions that take time.

我们的某些感官，比如视觉，利用的是耗时的化学。

A catalyst is a substance that permits certain chemical reactions to happen.

催化剂是一种允许某些化学发生的物质。

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

一个酶每小时 可激发一千个这种化学。

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

在一苗火焰中，可能有上百种化学正在进行。