1.METHODS The hydroxyl groups of magnolol were protected using ketol reaction and the products were purified by recrystallization from hexane.
1.方法将两羟基用缩酮保护,再用正己烷重结晶分离纯。
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.用正己烷萃取液体饮料中的防腐剂,使萃取液精交联树脂分离后,用乙醇溶液洗脱。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
1.Consider this molecule, a hexane with a benzene ring attached to carbon number 2.
考虑这个分子, 一个苯到碳数 2 的己。机翻
2.Sometimes, a hexane can look like a pentane with an ethane sticking off of it.
有时,己看起像戊, 上面粘着乙。机翻
3.But pentane, C5H12, has 3 possible isomers and C6H14, known as hexane, has 5.
但是戊 C5H12 有 3 可能的异构体, 而称为己的 C6H14 有 5 。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
关注我们的微信
下载手机客户端
划词翻译
详细解释