不同的酶会协助不同的化学反应。
它是一种蛋白质，一种特殊的蛋白质，可以加速化学反应。
It's a protein, a specific kind of protein, one that speeds up chemical reactions.
接下来的化学反应非常复杂，会持续很多年，混凝土只会变得越来越硬。
The chemical reaction that follows is very complex and continues for many years, and the concrete just keeps getting harder.
我当然不明白它们是如何与化学反应联系起来的，更不用说我感兴趣的其他学科了。
I certainly didn't understand how they even connected really to chemical reactions, much less other disciplines that I was interested in.
如果你想想我们周围的许多颜色、形状和质地，它们都是具体而独特的化学反应的产物。
If you think of the many colours, shapes and textures around us, they are all the product of specific and unique chemical reactions.
你看，原来某些微生物是化学合成的——它们不需要阳光，因为它们从化学反应中获取能量。
You see, it turns out that certain microorganisms are chemosynthetic—they don't need sunlight because they take their energy from chemical reactions.
表观遗传过程是一种化学反应，与天生和后天培养都没有关系，但它代表了研究人员所说的“第三种成分”。
Epigenetic processes are chemical reactions tied to neither nature nor nurture but representing what researchers have called a "third component".
你的每一个想法都会在瞬间影响你体内的化学反应。
Every thought that you have affects your body chemistry within a split second.
现在在这个结构下，我说过讨论这些价电子可能会让我们对化学反应有更深的理解。
Now with this framework, I said that talking about these valence electrons might give us some insight into chemical reactivity.
光化学反应使光变为电脉冲。
The photochemical reactions transform the light into electrical impulses.
臭氧是氧气与紫外线发生化学反应而产生的。
Ozone is produced by the reaction between oxygen and ultraviolet light.
钙能与水产生化学反应但不如钠以及钾那么剧烈。
Calcium reacts with water but less violently than sodium and potassium do.
通过化学反应，可以产生碳氢化合物。
化学激光器的特点是以释能化学反应提供能源。
Chemical laser is characteristically energized by an exoergic chemical reaction.
在活细胞里催化化学反应的蛋白质。
A protein that catalyzes chemical reactions in living cells.
我们如何描述一个化学反应？
但是许多复杂的化学反应也同时发生。
But while this is happening, many complicated chemical reactions are taking place.
一些电池是基于一些可逆的化学反应。
Some batteries are based on an underlying chemical reaction that can be reversed.
我们对化学反应了解些什么呢？
当把电池接到一个负载上，化学反应就开始了。
When a battery is connected to a load, a chemical reaction begins.
他们之间有激烈的化学反应。
好吧，我们对化学反应的极限有那些了解呢？
Well, what do we know about extremes of chemical reactivity?
它决定了原子的排列以及化学反应如何发生。
It determines the atomic lines and how chemistry takes place.
它不是化学反应。
它不是化学反应。
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