The Ru/active carbon (AC) ammonia synthesis catalyst was prepared by the impregnation method using coconut ( A BET = 1?020 m 2/g) as the support. Firstly, AC was impregnated with RuCl 3 aqueous solution.是什么意思_The Ru/active carbon (AC) ammonia synthesis catalyst was prepared by the impregnation method using coconut ( A BET = 1?020 m 2/g) as the support. Firstly, AC was impregnated with RuCl 3 aqueous solution.在线翻译_英语_读音_用法_例句