ナトリウムランプ
1. sodium vapor lamp (vapour) (from Natrium lamp)
2. Sodium-vapor lampA sodium vapor lamp is a gas discharge lamp that uses sodium in an excited state to produce light. There are two varieties of such lamps: low pressure and high pressure. Low-pressure sodium lamps are the most efficient electrical light sources, but their yellow light restricts applications to outdoor lighting such as street lamps. High-pressure sodium lamps have a broader spectrum of light but poorer color rendering than other types.
Read “Sodium-vapor lamp” on English Wikipedia
Read “ナトリウムランプ” on Japanese Wikipedia
Read “Sodium-vapor lamp” on DBpedia
Read “Sodium-vapor lamp” on English Wikipedia
Read “ナトリウムランプ” on Japanese Wikipedia
Read “Sodium-vapor lamp” on DBpedia
ナトリウム・ランプ
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