What is the chemical symbol for copper?
铜的化学符号是什么？
Fire spread rapidly after a chemical truck exploded.
一辆装有化学品的卡车爆炸后火势迅速蔓延开来。
You can ask for a chemical analysis of your tap water.
你可以要求给你的自来水做化学分析。
He said chemical weapons had never been sited in Germany.
他说从未在德国部署过化学武器。
Once hay has been cut and baled, it has to go through some chemical processes.
干草一旦被割下来打成捆，必须经过一些化学处理。
A drug is a chemical substance.
毒品是一种化学物质。
I understand that your company has a chemical processing plant.
我了解到，贵公司有一个化学加工厂。
A lot of poisonous waste water comes from that chemical factory.
那个化工厂排出大量有毒的废水。
This god has also given his name to one of the chemical elements.
这个上帝也把他的名字给了一种化学元素。
Well, I understand that your company has a chemical processing plant.
我知道贵公司有一个化学加工厂。
There are several chemical factories pouring waste water into the stream.
有几家化学工厂把污水排入河里。
The factories cannot afford to finance chemical treatment plants by themselves.
工厂自身负担不起化学处理厂的费用。
It's a protein, a specific kind of protein, one that speeds up chemical reactions.
它是一种蛋白质，一种特殊的蛋白质，可以加速化学反应。
Such a war could result in the use of chemical and biological weapons.
这样一场战争可能导致生化武器的使用。
Reductive Alkylation is a process often seen in chemical production.
还原性烷基化是化工生产中常见的过程。
It was a perfect chemical soup.
这是一个完美的化学汤。
黛安娜是名化学老师。
它不是化学反应。
You could be a chemical engineer.
你就可能成为一个化学工程师。
We think about chemical potential.
我们考虑化学势。
Chemical pesticides are expensive.
化学杀虫剂十分昂贵。
If you want the chemical potential.
如果你想知道化学势。
So, you're a chemical engineer.
所以如果你是一个滑雪工程师。
So chemical residues are rarely found.
因此，很少发现有化学残留物。
Avoid the hazard of a chemical emergency.
避免这些化学品造成危害。
包括化学势。
What can we say about chemical reactivity?
我们对化学反应了解些什么呢？
Another popular chemical is tri-butyl tin.
另一种流行的化学物质是三丁基锡。
In the chemical industry, they are routine.
而在化工行业，这样的起落已成为常规。
In the chemical industry, they are routine.
而在化工行业，这样的起落已成为常规。
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