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 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学产生的。

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。

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很重要。

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

在烘焙过中，会发生超过 1,500 种化学。

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

我们的某些感官，比如觉，利用的是耗时的化学。

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。

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。

It's actually to start a chemical reaction.

而是为了引发化学。

And when all three mix together, the extremely hot chemical reaction lets off oxygen.

当三者融合，将发生化学，发热产生氧气。

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。

It's often just a sign that you've got some kind of chemical reaction happening.

这通常只是表明发生了某种化学。

Well that is a chemical reaction called oxidation.

这是一种叫做氧化的化学。

The teacher carefully explained each facet of the chemical reaction.

老师仔细解释了化学的各个方面。

The third system of oxygen generation on board the ISS is related to chemical reactions.

国际空间站上的第三个制氧系统与化学有关。

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。

Many molecular enzyme machines can carry out thousands of chemical reactions in a single second.

许多分子酶机器可以在一秒钟内进行数千次化学。

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产生的。

Because essentially the whole metabolism, all the chemical reactions in your body, are accelerated.

“因为从本质上说，体内整个新陈代谢和所有的化学都在加速。”

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。