Assertion: carnotite's radium | /r/AtLocation | secular equilibrium
Facets:
value: with its daughters
type: OTHER
value: through radium-c.
type: TEMPORAL
value: with radon
type: LOCATION
Source sentences:
text: Radium-C. Thus, one had to ensure that both the standard radium and the radium sample under test were in secular equilibrium with radon and its daughters, at least through Radium-C.