The salivary protein can be chemically synthesized; stored as a powder; and dissolved in water.

唾液蛋白质可以化学合成；以粉末形式储存；并溶于水。

One of the most effective is benzoyl peroxide, a chemical compound that's really good at killing bacteria.

氧化苯甲酰是最有效的药物之，这化学合成物对于杀菌非常有效。

Now C9 is a type of hydrocarbon resin chemically manufactured from oil and is toxic to humans.

C9是碳氢化合物树脂，由石油化学合成，对人体有害。

At the same time, endorphins, another chemical to fight stress, are released by the pituitary gland.

同时, 对抗压力的化学合成物激素内啡肽, 由脑下垂体释放。

He is now turning into his real form, a kind of chemosynthetic large worm.

他现在正在变成他的真实形态， 化学合成的大型蠕虫。

In 1853, a French chemist managed to chemically synthesize the compound, creating a substance called acetylsalicylic acid.

1853 年， 位法国化学家成功地化学合成了这化合物，产生了做乙酰水杨酸的物质。

For example, pure sulfuric acid, which is used in paper mills, iron and steel making, industrial cleaner, and chemical synthesis.

例如用于造纸厂、钢铁制造、工业清洁剂和化学合成的纯硫酸。

A team from Dundee university says the chemical compound will protect people from disease and prevent its spreading all in a single dose.

来自邓迪大学的团队称，这化学合成物将保护人们免于该疾病，并能预防疟疾的传播，且只需剂即可。

However, paradichlorobenzene is also listed as a compound that's thought to be a human carcinogen, though there haven't been any major human studies.

然而，尽管目前还没有主流的对人的研究，但是二氯苯也同样被列为化学合成物质，它也被认为是人类致癌物。

And the bacteria, well the bacteria kind of feed the tube worms through chemosynthesis, remember, that chemical reaction I described earlier.

细菌，嗯，细菌通过化学合成喂养管虫，记住，我之前描述的化学反应。

Doctors, patients and biotechnology companies are interested in the information content of genes, the argument runs, not the incidental details of their chemical composition.

他们还认为，医生、患者以及生物技术公司感兴趣的是基因的信息内容，而不是化学合成基因所附带的信息。

With the advancement of technology, many artificial substitutes can perfectly replace animal products and meat, such as synthetic meat, artificial leather, and chemically synthesized drugs.

随着科技的发展，很多人工替代品可以完美地取代动物产品和肉，比如人造肉，人造皮革，化学合成的药剂等等。

This was a living system based not on photosynthesis but on chemosynthesis, an arrangement that biologists would have dismissed as preposterous had anyone been imaginative enough to suggest it.

这生命体系的基础不是光合作用，而是化学合成。要是哪个想像力丰富的人提出这安排，生物学家们肯定会认为是很荒谬的。

These bacteria that live inside the tube worms, the tube worms provide them with hydrogen sulfide and carbon dioxide. And the bacteria, well the bacteria kind offered the tube worms through chemosynthesis, remember, that chemical reaction I described earlier.

这些生活在管虫体内的细菌，管虫为它们提供硫化氢和二氧化碳。还有细菌，嗯，这细菌通过化学合成提供了管虫，记住，我之前描述的化学反应。