有奖纠错
| 划词

1.It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.

1.另一种2-巯基苯并噻唑法是先将溴化钠反应生成酯,然后2-巯基苯并噻唑反应得到苯噻

评价该例句:好评差评指正

2.The title resin has been prepared by Friedel-Crafts acylation followed by bromination and amination.The method avoids the utilization of cancerogenic chloromethyl methyl ether.

2.通过付氏酰基化反应引入乙酰基,接着溴化、胺化,得到标题树脂。该法避免了使用醚。

评价该例句:好评差评指正

用户正在搜索


misaddress, misadjusted, misadjustment, misadventure, misadvice, misadvise, misaim, misaimed, misalign, misaligned,

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。

  • 手机客户端二维码

    下载手机客户端

赞助商链接