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The ratio of light reflected from a surface to that incident upon it.

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Μέρος του λόγου: noun
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Κλάδος/Τομέας: Lights & lighting
Category: Lighting products
Company: GE
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Lights & lighting; Lighting products

For electrical discharge lamps, this is the voltage measured across the discharge when the lamp is operating. It is governed by the contents of the chamber and is somewhat ...

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Lights & lighting; Lighting products

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Lights & lighting; Lighting products

Measurement of the relationship between the AC source voltage and current. High power factor ballasts require less AC operating current at the same wattage than an equivalent low ...

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Lights & lighting; Lighting products

A general term for the release of energy in a "wave" or "ray" form. All light is radiant energy or radiation, as is heat, UV, microwaves, radio waves, etc.

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Lights & lighting; Lighting products

See SPECTRAL POWER DISTRIBUTION (SPD).

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Lights & lighting; Lighting products

Radiant energy in the range of about 100-380 nanometers (nm). For practical applications, the UV band is broken down further as follows: Ozone-producing - 180-220 nm; Bactericidal ...

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Κλάδος/Τομέας: Τροφιμα Category: Herbs & spices

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spice (whole or ground, sometimes mixed with salt - celery salt) Description: Seeds from wild Indian celery called lovage. Slightly bitter, strong ...