Besonderhede van voorbeeld: -3977830880106003050

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English[en]
Low pressure sodium appeared earlier, the sodium vapor pressure is not more than a few Pa, and the emission spectrum is mainly in the 589nm yellow, usually only used complexes with other light sources.
Korean[ko]
낮은 압력 나트륨 등장 이전, 나트륨 증기압 이상 Pa 이며 방출 스펙트럼은 주로 노란색, 589nm에 일반적으로 다른 광원을 사용된 단지만.

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