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单词 nitrification
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ni•tri•fi•ca•tion  (nī′trə fi kāshən),USA pronunciation n. 
  1. the act of nitrifying.
  • nitr- + -i- + -fication 1820–30

Collins Concise English Dictionary © HarperCollins Publishers::
nitrification /ˌnaɪtrɪfɪˈkeɪʃən/ n
  1. the oxidation of the ammonium compounds in dead organic material into nitrites and nitrates by soil nitrobacteria, making nitrogen available to plants
  2. the addition of a nitro group to an organic compound
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