acetal-的意思|示意

Phase transfer catalyst was used for synthesis of citral diethyl acetal, the yield has increased.

用相转移催化合成了柠檬醛二乙缩醛，提高了产率。

The synthesis of furfural glycol acetal from furfural and ethylene glycol in the presence of ion exchange resin was investigated.

本文研究了在离子交换树脂存在下，由糠醛和乙二醇反应制备糠醛缩乙二醇的工艺条件。

The compositions include an aqueous alkaline solvent soluble phenolic resin or poly (vinyl acetal) as a polymeric binder.

该组合物包括含水碱性溶剂可溶性酚醛树脂或聚(乙烯醇缩醛)作为聚合物粘结剂。

METHODS:N (2,2 dimethoxylethyl)guanidine sulfate from aminoacetaldehyde dimethyl acetal was treated with concentrated HCl to get 2 aminoimidazole sulfate.

方法：以氨基乙醛缩甲醇制备的N （2 ，2 二甲氧基乙基）胍硫酸盐经盐酸催化环合制得2 氨基咪唑硫酸盐。

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缩醛结构分子玻璃。

Specifications for particular types of winding wires - Part 14 : polyvinyl acetal enamelled round aluminium wire, class 105.

特种绕组线规范。第14部分：聚乙烯醇漆绝缘的圆铝线，等级105。