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catalyst

['kæt(ə)lɪst] rzecz.
akryd. مادة محفزة/ مساعدة   ؛عامل وسيط / حفاز
med. حَفَّاز
ropa / r. 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] rzecz.
ochr.środ. محفز - حفاز
 Angielski tezaurus
catalyst ['kæt(ə)lɪst] skr.
skr., polim. cat
catalyst
: 5 do fraz, 2 tematyki
Rolnictwo1
Technika i technologia4