有奖纠错
| 划词

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

论述了烯基醚类化合物主要制备方法炔法、脱卤化氢法和缩醛热分解法。

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.

通过一元羧酸和烯基醚反应,我们得到了一新颖酯缩醛结构分子玻璃。

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.

巴豆醛先与溴化氢加成,再与缩醛化得到3-溴代丁醛缩,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.

对苯甲醛与1,3-丁在钒磷氧催化剂作用下缩醛化反应进行了研究,考察了醛比、反应时间、催化剂用量、带水剂类和体积等因素对苯甲醛1,3-丁缩醛收率影响。

评价该例句:好评差评指正

用户正在搜索


cakewalk, cakey, caking, caky, CAL, Cal., cala, calabar, Calabar bean, calabarine,

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.

缩醛连接剂遇酸很容易

评价该例句:好评差评指正
爆炸(视频版) 第3季

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

我把它保存在纯净的 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


calafatite, Calais, calaite, calal, calamanco, calamander, calamari, calamary, calamendiol, calamene,

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