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1 equivalent footcandle
Космонавтика: фут-ламберт
См. также в других словарях:
footcandle — Illumination or brightness equivalent to 1 lumen per square foot; replaced in the SI system by the candela. * * * foot·can·dle kan dəl n a unit of illuminance on a surface that is everywhere one foot from a uniform point source of light of one… … Medical dictionary
millilambert — One thousandth of a lambert; a unit of brightness equal to 0.929 lumen per square foot (roughly, 1 equivalent footcandle). * * * mil·li·lam·bert .mil ə lam bərt n one thousandth of a lambert abbr. mL * * * mil·li·lam·bert (mil″i… … Medical dictionary
Conversion of units — is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors. Contents 1 Techniques 1.1 Process 1.2 Multiplication factors … Wikipedia
foot-candle — /foot kan dl/, n. Optics. a unit of illuminance or illumination, equivalent to the illumination produced by a source of one candle at a distance of one foot and equal to one lumen incident per square foot. Abbr.: FC Also, footcandle. [1905 10] *… … Universalium
Lux — The unit of illuminance equivalent to 1lumen per square meter. *** A unit of illumination equal to the direct illumination on a surface that is everywhere one meter from a uniform point source of one candle; a unit of illumination that is… … Energy terms
foot-candle — /foot kan dl/, n. Optics. a unit of illuminance or illumination, equivalent to the illumination produced by a source of one candle at a distance of one foot and equal to one lumen incident per square foot. Abbr.: FC Also, footcandle. [1905 10] … Useful english dictionary