Assertion: arc lamp | /r/HasProperty | superior light source
Facets:
value: for the shortwave uv range
type: OTHER
value: despite being several times more expensive
type: OTHER
value: to light-hydrogen arc lamps
type: OTHER
Source sentences:
text: Deuterium arc lamps, therefore, despite being several times more expensive, are considered a superior light source to light-hydrogen arc lamps, for the shortwave UV range.