surface_radioactivity_content_of_221Fr

https://w3id.org/hacid/data/cs/variables/cf/surface_radioactivity_content_of_221Fr <https://w3id.org/hacid/onto/data/Variable>

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. rdf:langString
rdf:langString surface_radioactivity_content_of_221Fr 

data from the linked data cloud