.
"2018-02-12 16:53:18.0" .
"SDN:P07::6RZFEE06" .
.
"SDN:P07::6RZFEE06" .
"1" .
.
.
"2018-02-12 16:53:18.0" .
.
"SDN:P07::6RZFEE06" .
"radioactivity_concentration_of_97Nb_in_air"@en .
"" .
"false" .
.
"1" .
"\"Radioactivity\" means the number of radioactive decays of a material per second. \"Radioactivity concentration\" means radioactivity per unit volume of the medium. \"Nb\" means the element \"niobium\" and \"97Nb\" is the isotope \"niobium-97\" with a half-life of 5.11e-02 days."@en .
"accepted"@en .