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catalyst

['kæt(ə)lɪst] сущ.
акрид. مادة محفزة/ مساعدة   ؛عامل وسيط / حفاز
мед. حَفَّاز
нефт. حفاز
catalyst A substance whose presence alters the rate at which a chemical reaction proceeds, but whose own composition remains unchanged by the reaction. Catalysts are usually employed to accelerate reactions(positive catalyst), but retarding (negative) catalysts are also used ['kæt(ə)lɪst] сущ.
окруж. محفز - حفاز
 Английский тезаурус
catalyst ['kæt(ə)lɪst] сокр.
сокр., полим. cat
catalyst
: 5 фраз в 2 тематиках
Сельское хозяйство1
Техника4