"SDN:P07::7M8RPACU" .
"false" .
"2018-02-12 16:53:18.0" .
.
.
.
.
"2018-02-12 16:53:18.0" .
"" .
"1" .
"SDN:P07::7M8RPACU" .
"accepted"@en .
.
"SDN:P07::7M8RPACU" .
"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. \"Pb\" means the element \"lead\" and \"211Pb\" is the isotope \"lead-211\" with a half-life of 2.51e-02 days."@en .
"1" .
.
"surface_radioactivity_content_of_211Pb"@en .