包含 hexane 的英语例句 | 欧路词典例句词典

英语例句库

METHODS The hydroxyl groups of magnolol were protected using ketol reaction and the products were purified by recrystallization from hexane.

方法将厚朴酚两羟基用缩酮保护,再用正结晶分离纯。

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The perservative in liquid beverage was extrcated with n-hexane.The hexane layer was subjected to cyclodextrine polymer resin colume.The colume was eluted with aqueous solution of ethanol.

用正萃饮料中的防腐剂，使萃经环糊精交联树脂分离后，用乙醇溶洗脱。

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原声例句

Crash Course 综合篇

Consider this molecule, a hexane with a benzene ring attached to carbon number 2.

考虑这个分子，一个苯环连接到碳数 2 的己烷。

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Crash Course 综合篇

Sometimes, a hexane can look like a pentane with an ethane sticking off of it.

有时，己烷烷，上面粘着乙烷。

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Crash Course 综合篇

But pentane, C5H12, has 3 possible isomers and C6H14, known as hexane, has 5.

但是烷 C5H12 有 3 种可能的异构体，而称为己烷的 C6H14 有 5 种。

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化学 Crash Course

Ketones, add '-one', so a ketone of a hexane would be hexanone, and amines, you just add '-amine' to the end so methenamine or propanamine.

酮，添加“-one” ，所以己烷的酮就是己酮，而胺，你只需在末尾添加“-胺” ，所以甲胺或丙胺。

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