... catalytic dehydration 催化脱水作用 catalytic element principle 催化元件原理 catalytic element 催化元件 ...
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考察了大孔强酸性树脂对1，4 丁二醇脱水制四氢呋喃的催化作用。
The catalysis of big pore strong acid resin for 1,4-butanediol dehydration to tetrahydrofuran is investigated.
利用酯化反应基本原理，以丙三醇和醋酸在催化剂的作用下进行酯化反应，经脱水、减压精馏得甘油三醋酸酯产品。
Using glycerine and acetic acid as raw materials and in the presence of catalyst, glycerin triacetate was synthesized through esterification, dehydration and underpressrue distillation.
讨论了发泡剂、成炭剂、 脱水成炭催化剂、颜填料的选用，及各组分在防火涂料中的作用；
Selection of fireproofing coating components, such as forming agent, carbonforming agent, dehydration and carbonforming catalyst and colourant, were discussed.
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