有奖纠错
| 划词

In this paper,W amino polyoxyalkylene were synthesized by two steps.In the first step,polyoxyalkylene were brominated.In the second,the brominated polyoxyalkylene were aminated.

本文用聚乙醇先溴代,成法,成了胺基单取代聚乙醇衍生物。

评价该例句:好评差评指正

用户正在搜索


communes, communicable, communicable disease, communicant, communicate, communicatee, communicatingcode, communication, communication channel, communication equipment,

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。

  • 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