. "3" . . "3" . "2019-06-04 17:33:52.0" . . . "SDN:P01::PAKG1ER5" . . "Activity standard error of protactinium-231 {231Pa CAS 14331-85-2} per unit mass of the water body [particulate 0.8-51um phase] by filtration"@en . . . "false" . . "The standard error of the mean (defined as the standard deviation divided by the square root of the sample size) of multiple determinations of the specified phenomenon."@en . "accepted"@en . "2019-06-04 17:33:52.0" . . . "SDN:P01::PAKG1ER5" . . . "SDN:P01::PAKG1ER5" . . . . "Part_231Pa_0.8-51um/kg_SE" .