<http://aims.fao.org/aos/agrovoc/xDef_4221b8ae> <http://www.w3.org/1999/02/22-rdf-syntax-ns#value> "Thorium is a weakly radioactive metallic chemical element with the symbol Th and atomic number 90."@en .
<http://aims.fao.org/aos/agrovoc/xDef_4221b8ae> <http://purl.org/dc/terms/created> "2022-01-20T09:27:02"^^<http://www.w3.org/2001/XMLSchema#dateTime> .
<http://aims.fao.org/aos/agrovoc/xDef_4221b8ae> <http://purl.org/dc/terms/modified> "2022-01-20T09:28:17"^^<http://www.w3.org/2001/XMLSchema#dateTime> .
<http://aims.fao.org/aos/agrovoc/xDef_4221b8ae> <http://purl.org/dc/terms/source> <https://en.wikipedia.org/wiki/Thorium> .