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Nitrogen

"Nitrogen" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

expand / collapse MeSH information
An element with the atomic symbol N, atomic number 7, and atomic weight [14.00643; 14.00728]. Nitrogen exists as a diatomic gas and makes up about 78% of the earth's atmosphere by volume. It is a constituent of proteins and nucleic acids and found in all living cells.


expand / collapse publications
This graph shows the total number of publications written about "Nitrogen" by people in this website by year, and whether "Nitrogen" was a major or minor topic of these publications.
Bar chart showing 19 publications over 12 distinct years, with a maximum of 5 publications in 2005
To see the data from this visualization as text, click here.