Assertion: krypton | /r/CapableOf | excite phosphor
Facets:
value: with no external source of energy
type: OTHER
value: to detect abnormal heart openings
type: PURPOSE
value: in light sources
type: LOCATION
Source sentences:
text: It is used to detect leaks in sealed containers, to excite phosphors in light sources with no external source of energy, and in medicine to detect abnormal heart openings.