| denitrification | 1. <biochemistry> The removal of an oxygen atom from a nitrogen compound (like NO3 to NO2, NO2 to NO, or NO to N2). This is something soil bacteria do successively until they release nitrogen gas. Conversion of nitrate into nitrogen gases under anaerobic conditions, resulting in loss of nitrogen from ecosystems. Compare: nitrogen fixation. 2. <chemistry> The removal of nitrogen or nitrogen compounds from a substance. (12 Jan 1998) |
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| denitrification |
Denitrification is the process of reducing nitrate, a form of nitrogen available for consumption by many groups of organisms, into gaseous nitrogen, which is far less accessible to life forms but makes up the bulk of our atmosphere. It can be thought of as the opposite of nitrogen fixation, which converts gaseous nitrogen into more biologically useful forms. The process is performed by heterotrophic bacteria (such as Pseudomonas fluorescens) from all main proteolitic groups. ...
출처: en.wikipedia.org/wiki/Denitrification
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| denitrification |
1. The conversion of nitrite or nitrate to gaseous end products NO, N 2 O, and N 2 by denitrifying bacteria. Molecular nitrogen, N 2 , is the most abundant end product. The oxidized forms of N (nitrate, nitrite, nitric acid, nitric oxide, and nitrous oxide) serve as alternative electron acceptors in the absence of sufficient oxygen; thus, denitrification is primarily an anaerobic process. 2. The removal of active nitrogen from the atmosphere through uptake into particles. ...
출처: amsglossary.allenpress.com/glossary/browse
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| denitrification |
The "ideal" completion of the nitrification process...whereby the nitrates are reduced by bacteria ("fab"-faculative anaerobic bacteria) to, either nitrogen or nitrous oxide gases, and are released back into the atmosphere.
출처: members.aol.com/sierram/sierram3.htm
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| denitrification |
The biochemical reduction and loss of nitrate or nitrite to gaseous nitrogen, either as N2 or oxides of nitrogen (N2O, NO, NO2).
출처: www.knowledgebank.irri.org/glossary/Glossary/D.htm
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| denitrification |
Bacterial reduction of nitrite to gaseous nitrogen under anaerobic conditions.
출처: www.nsc.org/ehc/glossary.htm
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