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.
研究了不同碱对柠檬肟的催化脱水效果及不同PTC的催化作用效果,并用正交实验设计法确定了使用KOH- TBAB催化脱水法合成柠檬腈的最佳反应条件。
The catalytic dehydration of lemonile with various alkalis and PTC was studied. The optimal conditions dehydration to lemonile for KOH TBAB catalytic by orthogonal design were determined.
研究了不同碱对柠檬肟的催化脱水效果及不同PTC的催化作用效果,并用正交实验设计法确定了使用KOH- TBAB催化脱水法合成柠檬腈的最佳反应条件。
The catalytic dehydration of lemonile with various alkalis and PTC was studied. The optimal conditions dehydration to lemonile for KOH TBAB catalytic by orthogonal design were determined.
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