The activation barrier of the epoxidation reaction is 139.23kJ/mol, and the reaction is exothermic by 25.16 kJ/mol.是什么意思_The activation barrier of the epoxidation reaction is 139.23kJ/mol, and the reaction is exothermic by 25.16 kJ/mol.在线翻译_英语_读音_用法_例句