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The Haber process, [146] also called the Haber–Bosch process, is the main industrial procedure for the production of ammonia. [ 147 ] [ 148 ] It converts atmospheric nitrogen (N 2 ) to ammonia (NH 3 ) by a reaction with hydrogen (H 2 ) using finely divided iron metal as a catalyst:
Ammonium is a modified form of ammonia that has an extra hydrogen atom. It is a positively charged molecular ion with the chemical formula NH + 4 or [NH 4] +.It is formed by the addition of a proton (a hydrogen nucleus) to ammonia (NH 3).
In other projects Wikidata item; Appearance. move to sidebar hide. NH3, NH-3, NH 3 or NH 3 may refer to: Ammonia (chemical formula NH 3) National Highway 3 (India) ...
Science History Institute Digital Collections (Photographs depicting numerous stages of the nitrogen fixation process and the various equipment and apparatus used in the production of atmospheric nitrogen, including generators, compressors, filters, thermostats, and vacuum and blast furnaces).
A bioreactor containing the anammox bacterium Kuenenia stuttgartiensis. Anammox, an abbreviation for "anaerobic ammonium oxidation", is a globally important microbial process of the nitrogen cycle [1] that takes place in many natural environments.
The structure of the ammonia channel from E. coli, [3] [4] was, at the time of its publication, the highest resolution structure of any integral membrane protein. It shows a trimer of subunits, each made up of 11 transmembrane segments (TMSs) and containing a pseudo two-fold symmetry. [9]
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Nitrogen assimilation is the formation of organic nitrogen compounds like amino acids from inorganic nitrogen compounds present in the environment. Organisms like plants, fungi and certain bacteria that can fix nitrogen gas (N 2) depend on the ability to assimilate nitrate or ammonia for their needs.