有奖纠错
| 划词

P-methoxybenzeneacetonitrile was prepared in 34. 8% yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.

以苯醚为原料,经过氯,氰,精馏获得对苯乙腈,总收率为34.8%

评价该例句:好评差评指正

用户正在搜索


ever since, ever so, Everard, ever-bearer, everbearing, ever-bloomer, everblooming, Ever-brass, Everbrite, everdamp,

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。

怪奇物语 第

During fractional distillation, hydrocarbons are separated according to their......- Melting point.

过程中烃类是以什么离开的?- 熔

评价该例句:好评差评指正
科学大揭秘

In the process of fractional distillation, diesel is extracted first, followed by gasoline as the crude is refined further.

过程中柴油首先,然后汽油随着原油的进步精炼而

评价该例句:好评差评指正

用户正在搜索


exaltolide, exaltone, exam, examen, EXAMETNET, examinable, examinant, examinate, examination, examination paper,

相似单词


3G, 401(K), a,
  • 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