• 考察孔强酸性树脂1,4 丁二醇脱水四氢呋喃催化作用

    The catalysis of big pore strong acid resin for 1,4-butanediol dehydration to tetrahydrofuran is investigated.

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  • 利用酯化反应基本原理,以三醇和醋酸催化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.

    youdao

  • 讨论了发泡剂、成脱水成炭催化填料的选用,及各组分防火涂料中的作用

    Selection of fireproofing coating components, such as forming agent, carbonforming agent, dehydration and carbonforming catalyst and colourant, were discussed.

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  • 研究不同对柠檬催化脱水效果不同PTC催化作用效果,并用正交实验设计确定了使用KOH- TBAB催化脱水法合成柠檬腈最佳反应条件

    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.

    youdao

  • 研究不同对柠檬催化脱水效果不同PTC催化作用效果,并用正交实验设计确定了使用KOH- TBAB催化脱水法合成柠檬腈最佳反应条件

    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.

    youdao

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