1.METHODS The hydroxyl groups of magnolol were protected using ketol reaction and the products were purified by recrystallization from hexane.
1.方法将厚朴酚两羟基用缩酮保护,再用正结晶分离纯。
2.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.
2.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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1.But pentane, C5H12, has 3 possible isomers and C6H14, known as hexane, has 5.
但是戊烷 C5H12 有 3 种可能的异构体， 而称为己烷的 C6H14 有 5 种。机翻
2.Consider this molecule, a hexane with a benzene ring attached to carbon number 2.
子， 环连接到碳数 2 的己烷。机翻
3.Sometimes, a hexane can look like a pentane with an ethane sticking off of it.
有时，己烷看起来像戊烷， 上面粘着乙烷。机翻
4.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。机翻
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划词翻译
详细解释
结晶分离纯
。
饮料中的防腐剂，使萃
子， 
环连接到碳数 2 的
