英德
有道
百度
谷歌
图片
维基
百科
碱催化 [jiǎn cuī huà]
base catalysis
- 摘要以乙二醇单丁醚作为溶剂，KOH作催化剂，碱催化异构化法用豆油制备共轭亚油酸。
Conjugated linoleic acids were prepared from soyoil by alkali isomerization using KOH as catalyst and 2-butoxy ethanol as solvent. - 指出：灭幼脲类杀虫剂的水解、微生物降解和光解机理分别为碱催化的亲核取代反应、酶催化的水解反应及自由基反应。
The mechanisms of hydrolysis, microbialdegradation and photodegradation are base-catalyzed nucleophilic substitution reaction, enzyme-catalyzed hydrolysis, free-radical reaction respectively. - 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。
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 .
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