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Từ điển Oxford Learners Wordfinder Dictionary
contact action
acceleration of a chemical reaction induced the presence of material that is chemically unchanged at the end of the reaction - of the top 50 commodity chemicals, 30 are created directly by catalysis and another 6 are made from raw materials that are catalytically produced • Syn: catalysis • Derivationally related forms: catalytic (for: catalysis) • Hypernyms: chemical process, chemical change, chemical action • Hyponyms: autocatalysis
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