Record Label : surface_radioactivity_content_of_221Rn
Record Title : Surface Radioactivity Content of 221Rn
CF Standard Name : surface_radioactivity_content_of_221Rn
Record Description : The surface called "surface" means the lower boundary of the atmosphere. "Content" indicates a quantity per unit area. "Radioactivity" means the number of radioactive decays of a material per second. "Rn" means the element "radon" and "221Rn" is the isotope "radon-221" with a half-life of 1.74e-02 days.
Canonical Units : Bq m-2