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。

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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。

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By virtue of the collective failure of the Class to follow the procedure set forth in N.

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According to the report, Mr. Christie underwent the 40-minute procedure at the New York University Langone Weight Management Program and was home in Mendham, N.

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