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This image is a derivative work of the following images: File:Nitrogen Cycle.svg licensed with Cc-by-sa-3.0 . 2009-09-27T05:47:47Z Raeky 800x600 (298078 Bytes) outlines for text
File:Nitrogen_Cycle.jpg licensed with PD-USGov, PD-USGov-EPA 2009-08-31T17:22:00Z Dj Capricorn 475x370 (147183 Bytes) Reverted to version as of 11:33, 23 August 2007 2009-08-31T17:19:30Z Dj Capricorn 475x370 (117246 Bytes) This file was translated to Estonia by user Dj Capricorn.
The nitrogen cycle is of particular interest to ecologists because nitrogen availability can affect the rate of key ecosystem processes, including primary production and decomposition. Human activities such as fossil fuel combustion, use of artificial nitrogen fertilizers, and release of nitrogen in wastewater have dramatically altered the ...
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Nitrogen cycle. Nitrification is the biological oxidation of ammonia to nitrate via the intermediary nitrite. Nitrification is an important step in the nitrogen cycle in soil. The process of complete nitrification may occur through separate organisms [1] or entirely within one organism, as in comammox bacteria. The transformation of ammonia to ...
Nitrogen-15 is frequently used in NMR (Nitrogen-15 NMR spectroscopy). Unlike the more abundant nitrogen-14, which has an integer nuclear spin and thus a quadrupole moment, 15 N has a fractional nuclear spin of one-half, which offers advantages for NMR such as narrower line width. Nitrogen-15 tracing is a technique used to study the nitrogen cycle.