有奖纠错
| 划词

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,再用正己烷重结晶分离纯

评价该例句:好评差评指正

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.

用正己烷萃取液体饮料中剂,使萃取液经环糊精交联树脂分离后,用乙醇溶液洗脱。

评价该例句:好评差评指正

用户正在搜索


lambswool, lambut, lambwool, lamby, LAMDA, lame, lame duck, lamebrain, lame-brain, lamed,

相似单词


3G, 401(K), a,

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。

[+反馈]
  • 微信二维码

    关注我们的微信

  • 手机客户端二维码

    下载手机客户端

赞助商链接