Assertion: carnotite's radium | /r/HasProperty | popular name
Facets:
value: at the time
type: TEMPORAL
Source sentences:
text: This is largely due to the fact that at the time "Radium" was the popular name that represented any kind of (good) radioactivity.
text: This is largely due to the fact that at the time "Radium" was the popular name that represented any kind of (good) radioactivity.