келвин

келвин

A unit of temperature starting from absolute zero, parallel to the Celsius (or Centigrade) scale. 0C is 273K.

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Κλάδος/Τομέας: Lights & lighting
Category: Lighting products
Company: GE
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келвин (K)

Αεροπορία; Δορυφόροι

The temperature measurement scale used in the scientific community. Zero K represents absolute zero, and corresponds to minus 459 degrees Fahrenheit or minus 273 Celsius. Thermal ...

Келвин (К)

Αεροπορία; Διαστημόπλοια

The SI base unit of thermodynamic temperature.

радни напон

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 ...

фосфор

Lights & lighting; Lighting products

An inorganic chemical compound processed into a powder and deposited on the inner glass surface of fluorescent tubes and some mercury and metal-halide lamp bulbs. Phosphors are ...

фактор снаге

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 ...

зрачење

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.

рефлексија

Lights & lighting; Lighting products

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

спектар

Lights & lighting; Lighting products

See SPECTRAL POWER DISTRIBUTION (SPD).

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