"1" .
"1" .
.
"SDN:P07::2370TTAP" .
"" .
"accepted"@en .
.
"SDN:P07::2370TTAP" .
.
.
.
"2018-02-12 16:53:18.0" .
"false" .
"SDN:P07::2370TTAP" .
"surface_radioactivity_content_of_93Zr"@en .
"2018-02-12 16:53:18.0" .
"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. \"Zr\" means the element \"zirconium\" and \"93Zr\" is the isotope \"zirconium-93\" with a half-life of 3.47e+08 days."@en .
.