有奖纠错
| 划词

This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.

论述了乙烯基醚类合物三种主要制备方法乙炔法、氢法和缩热分解法。

评价该例句:好评差评指正

A novel family of ester acetal molecular glass materials has been created by the reaction between monocarboxylic acid and divinyl ethers.

通过一元羧酸和二乙烯基醚反应,我们得到了一种新颖酯缩结构分子玻璃。

评价该例句:好评差评指正

Bromobutyraldehyde ethylene acetal was synthesized from crotonaldehyde by addition with hydrogen bromide and then acetalation with ethylene glycol with an overall yield of 80.

先与溴氢加成,再与乙二醇缩得到3-溴代丁缩乙二醇,收率80.8%。

评价该例句:好评差评指正

The effects of reactant ratio, reaction time, catalyst amount,the species and amount of deaquation reagent on the yield of benzaldehyde 1,3-butanediol acetal were investigated.

对苯甲与1,3-丁二醇在钒磷氧催剂作用下反应进行了研究,考察了醇比、反应时间、催剂用量、带水剂种类和体积等因素对苯甲1,3-丁二醇缩收率影响。

评价该例句:好评差评指正

用户正在搜索


kilderkin, kilerg, KILEWS, kilfoam, kilhig, kilim, Kilimanjaro, Kilkenny, kill, kill oneself,

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。

科学60秒-科学美国人 2020年6月合集

The acetal linker readily cleaves in the presence of acid.

缩醛遇酸很容易裂解。

评价该例句:好评差评指正
活大爆炸(视频版) 3

I preserved in a one percent solution of polyvinyl acetal resin.

把它保存在纯净的 聚乙烯醇缩醛树脂里了。

评价该例句:好评差评指正

用户正在搜索


killer, killer bee, killer whale, killer-diller, Killers, Killfile, killick, killifish, killing, killing-efficiency,

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