- equivalent foot-candle
- 相当呎烛光
Atmospheric Sciences (English-Chinese) dictionary. 2014.
equivalent foot-candle
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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
foot-candle — foot′ can dle n. opt a unit 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 • Etymology: 1905–10 … From formal English to slang
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
foot-candela — /fʊt kænˈdilə/ (say foot kan deeluh) noun a unit of illumination in the imperial system, equivalent to that produced by a standard candle at a distance of one foot; equal to 10.763 91 lux. Symbol: ft cd Also, foot candle …
foot-lambert — noun a former luminance unit equal to one lumen per square foot • Syn: ↑ft L • Hypernyms: ↑luminance unit * * * /foot lam beuhrt/, n. Optics. a unit of luminance or photometric brightness, equal to the luminance of a surface emitting a luminous… … Useful english dictionary
optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… … Universalium
lux — /luks/, n., pl. luces /looh seez/. Optics. a unit of illumination, equivalent to 0.0929 foot candle and equal to the illumination produced by luminous flux of one lumen falling perpendicularly on a surface one meter square. Symbol: lx Also called … Universalium
Grow light — A grow light is an electric lamp designed to promote plant growth by emitting an electromagnetic spectrum appropriate for photosynthesis. The emitted light spectrum is similar to that from the sun, allowing indoor growth with outdoor conditions.… … Wikipedia
Photometry (optics) — This article deals with the usage of this term in optics and lighting .Photometry is the science of measurement of light, in terms of its perceived brightness to the human eye. It is distinct from radiometry, which is the science of measurement… … Wikipedia
lux — [[t]lʌks[/t]] n. pl. lu•ces [[t]ˈlu siz[/t]] opt a unit of illumination, equivalent to 0.0929 foot candle and equal to the illumination produced by luminous flux of one lumen falling perpendicularly on a surface one meter square Symbol: lx Also… … From formal English to slang
MythBusters (2009 season) — Country of origin Australia United States No. of episodes 23 (includes 3 specials) Broadcast Original channel … Wikipedia
