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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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Kristina Ivanovska
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Settore/Dominio: Corpi idrici Categoria: Rivers

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