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.
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.


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 2529 publications over 29 distinct years, with a maximum of 274 publications in 2018
To see the data from this visualization as text, click here.