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Từ điển WordNet v3.1 - WordNet Dictionary
nitrification


noun
1. the chemical process in which a nitro group is added to an organic compound (or substituted for another group in an organic compound)
Derivationally related forms:
nitrify
Hypernyms:
chemical process, chemical change, chemical action
2. the oxidation of ammonium compounds in dead organic material into nitrates and nitrites by soil bacteria (making nitrogen available to plants)
Derivationally related forms:
nitrify
Topics:
plant, flora, plant life
Hypernyms:
oxidation, oxidization, oxidisation


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