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- Soya oil fatty acid monoethanolamine was prepared by reaction of soya oil and monoethanolamine in the presence of alkali catalyst. 摘要在碱性催化剂作用下以大豆油和单乙醇胺为原料合成大豆油脂肪酸单乙醇酰胺。
- Preparing fatty acid methyl ester was achieved by reap oil ester exchange reaction by using new type solid alkali catalyst(LDH/LDO). 采用新型固体碱催化剂LDH/LDO进行菜油酯交换反应制备脂肪酸甲酯;产率达98.;5%25以上。
- Preparing fatty acid methyl ester was achieved by reap oil ester exchange reaction by using new type solid alkali catalyst(LDH/LDO).The yield was over 98.5%and the operation simple. 采用新型固体碱催化剂LDH/LDO进行菜油酯交换反应制备脂肪酸甲酯，产率达98.;5%25以上。
- Abstract: A heterogeneous catalytic system for methylolation of alkali lignin was constituted of tetrahydrofuran containing purified alkali lignin and solid alkali catalyst with special structure . 文摘:将合成出的具有特定结构的复合型固体碱催化剂，与溶有纯化碱木素的四氢呋喃建立起多相催化体系，对碱木素进行了多相催化羟甲基化作用。
- This paper emphatically discussed the application of acid catalyst,alkali catalyst and biological enzyme catalyst in transesterifieation process,and made a primary summary on the merits and fau... 重点讨论了不同催化剂及其工艺路线下,酸、碱催化剂和生物酶等3种催化剂在酯交换过程中的应用,并对这些制备方法的优劣进行了初步的总结。
- A heterogeneous catalytic system for methylolation of alkali lignin was constituted of tetrahydrofuran containing purified alkali lignin and solid alkali catalyst with special structure . 将合成出的具有特定结构的复合型固体碱催化剂，与溶有纯化碱木素的四氢呋喃建立起多相催化体系，对碱木素进行了多相催化羟甲基化作用。
- Preparing fatty acid methyl ester was achieved by reap oil ester exchange reaction by using new type solid alkali catalyst(LDH/LDO).The yield was over 98.5% and the operation simple. 采用新型固体碱催化剂LDH/LDO进行菜油酯交换反应制备脂肪酸甲酯;产率达98.;5%25以上。
- This kind of soil contains much alkali. 这种土壤含碱丰富。
- Study on Application of Solid Alkali Catalyst in Vegetable Oil Ester-exchange Reaction 新型固体碱催化剂在油脂酯交换反应中的应用
- The offer of a new job provided just the catalyst she needed. 这份新工作正是她所需要转变的契机。
- solid alkali catalyst 固体碱催化剂
- Cyclization occurs readily with dilute alkali. 遇到稀碱就容易环化。
- The last step is to regenerate the catalyst. 最后一步是将催化剂还原。
- The acid and alkali are combined into salt. 酸与碱化合成盐。
- Of, relating to, or containing an alkali. 碱的与碱有关的或含碱的
- War is a catalyst to help them to choose. 战争是一副催化剂来帮助他们选择。
- The key problem is to overcome alkali in the soil. 关键在于控制土壤里的碱分。
- Debate is the best catalyst of thought. 争论是思想最好的催化剂。
- Clean Synthesis of Ethyl Methyl Carbonate over Solid Alkali Catalysts 固体碱催化剂上碳酸甲乙酯的洁净合成
- Are using lime as the cheapest alkali. 最廉价的碱。
