Assertion: americium | /r/AtLocation | small quantities
Facets:
value: in nuclear reactors
type: LOCATION
value: for research purposes
type: PURPOSE
value: for decades
type: TEMPORAL
value: artificially
type: MANNER
value: mostly
type: DEGREE
Source sentences:
text: Americium is produced mostly artificially in small quantities, for research purposes.
text: Americium has been produced in small quantities in nuclear reactors for decades, and kilograms of its 241Am and 243Am isotopes have been accumulated by now.