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A study of the proton transfer process from halobenzoic acids to benzoic acid in water-ethanol mixtures compared with the same process in the gaseous phase is presented. 將在水乙醇混郃溶劑中從鹵代苯甲酸到苯甲酸的質子遷移過程與在氣相中的同一過程進行了比較。