单词	nitrify
释义	nitrify /ˈnʌɪtrɪfʌɪ / verb (nitrifies, nitrifying, nitrified) [with object] Chemistry Convert (ammonia or another nitrogen compound) into nitrites or nitrates: a considerable amount of the ammonia so formed is nitrified Derivatives nitrifiable adjective nitrification /nʌɪtrɪfɪˈkeɪʃ(ə)n / noun ... Other reactions unique to life, except at extremely high temperatures and pressures, include nitrogen fixation, nitrification and denitrification, sulphate and sulphur reduction, and methane formation. Oxygen production by benthic microalgae enhanced rates of, and coupling between, nitrification and denitrification when ammonium was not limiting, resulting in significant loss of nitrogen from sediments as dinitrogen gas. Current research has shown an increase in soil acidification through anthropogenic effects including acid precipitation and nitrification of ammoniacal fertilizers. Origin Early 19th century: from French nitrifier.
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