Record Label : surface_radioactivity_content_of_221Fr
Record Title : Surface Radioactivity Content of 221Fr
CF Standard Name : surface_radioactivity_content_of_221Fr
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. "Fr" means the element "francium" and "221Fr" is the isotope "francium-221" with a half-life of 3.33e-03 days.
Canonical Units : Bq m-2