The addition of methyl amine to ethanolamine solution can significantly increase the absorption rate of CO2, and the best mixed concentration ratio of ethanolamine and methyl a-mine is 5:1.

乙醇胺溶液中添加甲基胺可明显提高CO2的吸收速率，且混合溶剂中乙醇胺与甲基胺浓度比5：1为最佳。

youdao

C H 3 So any time you see c h 3 here, remember that that's methyl and that's going to be a terminal group.

因此一旦你看到，记得这就是甲基,而且只能在结构的末端。

麻省理工公开课 - 化学原理课程节选

So, you already have a hint that methyl groups are never in the middle, they always have to be on the outside.

那么，你已经得到了一个提示,那就是甲基永远都不可能在中间，它们总是在外侧。

麻省理工公开课 - 化学原理课程节选

Any time you see a c h 3, this means a methyl group.

一旦你看到一个，C，H，3，的组合，这就意味着一个甲基。

麻省理工公开课 - 化学原理课程节选

This is the process by which DNA is chemically altered by the addition of a methyl group (a carbon atom and three hydrogens) to genetic letter C.

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Generally, the health benefits of seafood outweigh the risks associated with methyl mercury, a heavy metal found in varying amounts in much seafood, according to U.S. Department of Agriculture guidelines.

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Eugenol, a methoxyphenol found in various essential oils such as clove, bay laurel, cinnamon leaf, and rosemary, appears to be a particulary effective peorxynitrites scavenger (the methyl group binds to peroxynitrites and the phenol group converts it into water and a nitrogen dioxide anion).

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