surface_radioactivity_content_of_230Th

https://w3id.org/hacid/data/cs/variables/cf/surface_radioactivity_content_of_230Th <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. "Th" means the element "thorium" and "230Th" is the isotope "thorium-230" with a half-life of 2.92e+07 days. rdf:langString
rdf:langString surface_radioactivity_content_of_230Th 

data from the linked data cloud