有奖纠错
| 划词

The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.

以正庚醛、硫代硫酸钠和溴代正丁烷为原料,合成了正庚醛正丁硫醇缩醛。

评价该例句:好评差评指正

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

论述了烯基醚类化合物的三种主要制备法炔法、脱卤化氢法和缩醛热分解法。

评价该例句:好评差评指正

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.

苯甲醛与1,3-丁二醇在钒磷氧催化剂的缩醛化反应进行了研究,考察了醇醛比、反应时间、催化剂量、带水剂种类和体积等因素苯甲醛1,3-丁二醇缩醛收率的影响。

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,再与二醇缩醛化得到3-溴代丁醛缩二醇,收率80.8%。

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.

通过一元羧酸和二烯基醚的反应,我们得到了一种新颖的酯缩醛结构分子玻璃。

评价该例句:好评差评指正

A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

如醇的反应产物包括醛,酸酯,酸甲酯,缩醛等一系列有害物质。

评价该例句:好评差评指正

Dimethoxymethane possesses higher quantity of oxygen, higher ratio of hydrogen to carbon and lower flash point.

甲缩醛含氧量大、氢碳比高、闪点低,加入柴油中能够提高其十六烷值。

评价该例句:好评差评指正

用户正在搜索


house of cards, House of Commons, house of detention, House of Lords, House of Representatives, house of worship, house painter, house party, house physician, house plant,

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

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

它保存在纯净的 聚乙烯醇缩树脂里了。

评价该例句:好评差评指正

用户正在搜索


housebroken, house-car, housecarl, houseclean, housecleaner, housecleaning, housecoat, housecraft, housed, housedress,

相似单词


3G, 401(K), a,
译
  • 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