. "1" . "" . "1" . "accepted"@en . . "SDN:P07::4O9B7F67" . . "2018-02-12 16:53:18.0" . . . . "SDN:P07::4O9B7F67" . "false" . "surface_radioactivity_content_of_129Te"@en . "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. \"Te\" means the element \"tellurium\" and \"129Te\" is the isotope \"tellurium-129\" with a half-life of 4.86e-02 days."@en . "2018-02-12 16:53:18.0" . "SDN:P07::4O9B7F67" .