ефикасност

ефикасност

A measurement of how effective the light source is in converting electrical energy to lumens of visible light. Expressed in lumens-per-watt (LPW) this measure gives more weight to the yellow region of the spectrum and less weight to the blue and red region where the eye is not as sensitive.

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Industri / Domain: Lampu & pencahayaan
Kategori: Produk-produk pencahayaan
Company: GE
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Industri / Domain: Buah & sayuran Kategori: Sayur-sayuran berakar

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Annual or biennial plant (Raphanus sativus) of the mustard family, probably of Oriental origin, grown for its large, succulent root. Low in calories ...