【化】 phosphoric acid-diatomite catalyst
【化】 ortho-phosphoric acid; phosphoric acid
【医】 orthophosphoric acid; phosphoric acid
【化】 diatomaceous earth; diatomite; infusorial earth; kieselguhr
siliceous earth; tripolite
【医】 diatomaceous earth; diatomite; infusorial earth; kieselguhr
silicious earth
activator; catalyzer
【计】 catalyst
【化】 catalyst; catalyzator; catalyzer
【医】 accelerant; catalyst; catalytic agent; catalyzator; catalyzer
contact substance