Title compound was synthesized from N-ethylaniline by hydroxyethylation, chloroethylation and quarternarization with short procedure and high yield, 70% aqueous solution was obtained.
采用N-乙基苯胺为原料，经羟乙基化、氯乙基化、季铵化合成本产品，此工艺步骤短，收率高，得到70％以上水溶液产品。
A sequential experimental design procedure was applied to optimize parameter estimation for adsorption isotherm of n -decane on 5A molecular sieves.
采用序贯实验设计法对正葵烷在5A分子筛上的吸附等温线实验进行了实验设计。
The concepts, strategy making procedure, typical implementation methods, steps and key points in blackout restoration of transmission network are Thened. The n...
综述了输电网故障恢复的指导思想、恢复策略的形成过程、典型的实现方法、恢复步骤及恢复过程中所需注意的主要事项。
The concepts, strategy making procedure, typical implementation methods, steps and key points in blackout restoration of transmission network are Thened. The n...
综述了输电网故障恢复的指导思想、恢复策略的形成过程、典型的实现方法、恢复步骤及恢复过程中所需注意的主要事项。
应用推荐