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

以正庚、硫代硫酸钠和溴代正丁烷为原料,合成了正庚正丁硫醇

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

了乙烯基醚类化合的三种主要制备方法乙炔法、脱卤化氢法和热分解法。

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

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。

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

如乙醇的反应括乙,乙酸乙酯,乙酸酯,等一系列有害质。

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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的反应,我们得到了一种新颖的酯结构分子玻璃。

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

巴豆先与溴化氢加成,再与乙二醇化得到3-溴代丁缩乙二醇,收率80.8%。

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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.

对苯与1,3-丁二醇在钒磷氧催化剂作用下的化反应进行了研究,考察了醇比、反应时间、催化剂用量、带水剂种类和体积等因素对苯1,3-丁二醇收率的影响。

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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.

接剂遇酸很容易裂解。

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活大爆炸(视频版) 第3季

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

保存在纯净的 聚乙烯醇树脂里了。

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half-byte, half-calf, half-card, half-care, half-carry, half-case, halfcaste, half-caste, half-cell, half-chair,

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