. "SDN:P07::82BHCZEX" . . . "2018-02-12 16:53:18.0" . "false" . "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. \"I\" means the element \"iodine\" and \"134mI\" is the metastable state of the isotope \"iodine-134\" with a half-life of 2.50e-03 days."@en . "SDN:P07::82BHCZEX" . "" . "accepted"@en . . . . "SDN:P07::82BHCZEX" . "1" . "surface_radioactivity_content_of_134mI"@en . "1" . "2018-02-12 16:53:18.0" .