有奖纠错
| 划词

Alkylation of Phenylacetonitrile was realized from phenylacetonitrile and benzyl chloride by using PS-PEG-400 as triphase phase transfer catalyst.

摘要利用固载化聚乙二醇-400作三移催化剂,以氢氧化钾的溶液作碱,从苯乙腈和苄发合成了苯乙腈的单烷化物-α-苄苯乙腈。

评价该例句:好评差评指正

Twenty-one species of red tide organisms and four types of red tides (uniphase, biphase, triphase, tetraphase) were found.

共发现赤潮生物21种,赤潮类型4种(单型、双型、三型和四型)。

评价该例句:好评差评指正

用户正在搜索


extraterritoriality, extraterritorially, extrathecal, extrathermodynamics, extra-thin, extrathoracic, extratracheal, extratropical, extrauterine, extra-uterine,

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。

译
  • 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