| low pressure mercury arc l. |
an ultraviolet radiation lamp having a low vapor pressure, low amperage, high voltage, and a glow discharge; more than 95 per cent of its emission is ultraviolet C in the mercury vapor resonance emission line at 254 nm. In the treatment of skin disorders such as acne, the radiation causes acute erythema followed by desquamation of the affected skin.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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