【物理】紫外线滤层，摄影

infra-red lamp, ultra-violet lamp, head radiator

ultra-violet radiation

ultra-violet ray

UV absorber (ultra-violet screening agent) additive (plastic ingredient)

antioxidants as ultra-violet radiations against the effects of ultra-violet radiation

ultra-violet image converter

ultra-violet irradiation foodstuffs

ultra-violet absorption spectrometry