有奖纠错
| 划词

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

论述了乙烯基醚类化合物三种备方法乙炔法、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.

通过一元羧酸和二乙烯基醚反应,我们得到了一种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.

巴豆醛先溴化氢加,乙二醇缩醛化得到3-溴代丁醛缩乙二醇,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.

对苯甲醛1,3-丁二醇在钒磷氧催化剂作用下缩醛化反应进行了研究,考察了醇醛比、反应时间、催化剂用量、带水剂种类和体积等因素对苯甲醛1,3-丁二醇缩醛收率影响。

评价该例句:好评差评指正

用户正在搜索


diphenazyl, diphenhydramine, diphenimide, diphenindione, diphenol, diphenoxylate, diphenychlorarsine, diphenyl, diphenyl-18-crown-6-polyether, diphenyl-3-thiosemicarbazide, diphenylacetonitrile, diphenylacetylene, diphenylacetypene, diphenylamine, diphenylaminechlorarsine, diphenylaminechloroarsine, diphenylamine-sulfonate, diphenylaminocyanarsine, diphenylarsine, diphenylate, diphenylbenzidine, diphenylcarbazide, diphenylcarbazone, diphenylchlorarsine, diphenylchloroarsine, diphenylcyanoarsine, diphenyldihydroxyethane, diphenyldiimide, diphenylene, diphenylenemethane,

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

The acetal linker readily cleaves in the presence of acid.

醛连接剂遇酸很容易裂解。

评价该例句:好评差评指正
活大爆炸(视频版) 第3季

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

我把在纯净的 聚乙烯醇醛树脂里了。

评价该例句:好评差评指正

用户正在搜索


Diplus, dipmeter, di-p-methoxy-diphenylamine, dipnet, dipnetting, Dipneumonomorphae, dipneust, Dipneusti, dipnictide, dipnoan, Dipnoi, dipnone, dipodand, dipode, Dipodidae, dipody, dipolar, dipole, dipole antenna, dipole molecule, dipole moment, dipoles, dipolymer, diporate, dipper, dipperful, dippers, dipperstick, dipping, dippoldism,

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