surface_radioactivity_content_of_142Ce
https://w3id.org/hacid/data/cs/variables/cf/surface_radioactivity_content_of_142Ce <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. "Ce" means the element "cerium" and "142Ce" is the isotope "cerium-142" with a half-life of 1.82e+19 days.
rdf:langString
rdf:langString
surface_radioactivity_content_of_142Ce