任何能接受质子的物质（包括分子和离子）；称为质子碱。 NH、OH、HPO、CO、[Al(HO)OH]等都是质子碱，因为它们都能接受质子
指出用质子论定义酸和碱比较合理。
It points out that it is reasonable to define acid and base in terms of proton theory.
本文主要根据酸碱质子理论分析总结分子结构对有机化合物的酸（碱）性强弱程度的影响规律。
The author on the basis of Acid-Base Proton Theroy analyses and summarizes the law that molecular structure influences the acid-basity of organic compounds.
综述了L酸与质子酸、碱（土）金属和分子筛催化剂在合成反应中的研制与应用情况，指出了分子筛催化剂是一种极具开发潜力的催化剂。
Researches in and application of Lewis acid, Bronsted acid, alkali, alkaline earth and molecular sieve catalysts were described in detail.
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