Similar words: denitrification, gentrification, electrification, purification, verification, scarification, clarification, esterification. Meaning: ['naɪtrɪfɪ'keɪʃn] 
n. 1. the chemical process in which a nitro group is added to an organic compound (or substituted for another group in an organic compound) 2. the oxidation of ammonium compounds in dead organic material into nitrates and nitrites by soil bacteria (making nitrogen available to plants).
n. 1. the chemical process in which a nitro group is added to an organic compound (or substituted for another group in an organic compound) 2. the oxidation of ammonium compounds in dead organic material into nitrates and nitrites by soil bacteria (making nitrogen available to plants). 
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31. The nitrogen fertilizer losses in paddy field involve nitrification - denitrification, ammonia volatilization nitrate leaching and runoff.
32. The application of nitrification accelerator HB - 1 in wastewater treatment plant was introduced.
33. These were caused by the decrease of nitrification rate and increase of denitrification rate.
34. Ammonification, nitrification and nitrogen assimilation in HA - TF are predominant.
35. Heterotrophic nitrification characteristics of five aerobic denitrifiers which belong to different genus were studied.
36. In Malan Loess, the three nitrogen transform by nitrification and denitrification.
More similar words: denitrification, gentrification, electrification, purification, verification, scarification, clarification, esterification, transmogrification, ratification, gratification, notification, unification, deification, edification, stratification, vilification, pacification, fortification, modification, ramification, codification, ossification, self-gratification, nullification, reunification, qualification, justification, calcification, magnification.