Record Label : surface_radioactivity_content_of_149Pm
Record Title : Surface Radioactivity Content of 149Pm
CF Standard Name : surface_radioactivity_content_of_149Pm
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. "Pm" means the element "promethium" and "149Pm" is the isotope "promethium-149" with a half-life of 2.21e+00 days.
Canonical Units : Bq m-2