指出聚乙二醇作为相转移催化剂可增加转化率。
The results showed that poly( ethylene glycol) as a phase transfer catalyst can raise the conversion.
聚乙二醇作为相转移催化剂可以提高反应的选择性。
As a phase transfer catalyst polyethylene glycol can improve the selectivity of the reaction.
聚乙二醇作为相转移催化剂可以提高反应的选择性。
As a phase transfer catalyst, polyethylene glycol could improve the selectivity of the reaction.
磷钨杂多酸季铵盐作为相转移催化剂，在胶束两相催化反应中具有良好催化效率。
Quaternary ammonium heteropolyphosphatotungstate, as one kind of the phase transfer catalysts, has good catalysis activity in two phase catalysis reaction of micelle.
研究出用价廉、易得，能够方便自产的间—苯氧基苄基三乙基氯化铵作为相转移催化剂，获得了较好的结果。
Authors have obtained by using m-phenoxybenzyltriethylammonium chloride as the phase transfer catalyst which is cheap, available and self—productive. We hare achieved better results.
聚乙二醇可作为卤素交换氟化反应有效的相转移催化剂。
Polyethylene glycols can be used as effective phase transfer catalyst in halogen exchange fluorination.
聚乙二醇可作为卤素交换氟化反应有效的相转移催化剂。
Polyethylene glycols can be used as effective phase transfer catalyst in halogen exchange fluorination.
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