фреквенција

фреквенција

Rate of alternation in an AC current. Expressed in cycles per second or Hertz (Hz).

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Valdkond/domeen: 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 ...

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 ...

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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 ...

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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Valdkond/domeen: Literature Category: Chilldren's literature

раме анђео

Раме анђео је уређај земљиште користи за било драматичног или хумористичан ефекта у анимацији и стрипова (и повремено у ливе-ацтион телевизија). Анђео ...