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candela    音标拼音: [k,ænd'ɛlə]
新国际光单位; 坎德拉

新国际光单位; 坎德拉

candela
n 1: the basic unit of luminous intensity adopted under the
Systeme International d'Unites; equal to 1/60 of the
luminous intensity per square centimeter of a black body
radiating at the temperature of 2,046 degrees Kelvin [synonym:
{candle}, {candela}, {cd}, {standard candle}]


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  • Candela Medical: Medical Aesthetic Laser Equipment | Candela Medical
    Established in 1970 in the United States, Candela has been a leading global aesthetic device company with a comprehensive portfolio of laser, IPL, radiofrequency, microneedling devices, and with a global distribution footprint
  • Candela Corporation | Call Us @ (800) 922-9226
    Candela Corporation provides high-quality lighting and electrical products for distributors Explore our extensive catalog, including lamps, ballasts, sockets, and more Trusted industry partner for over 30 years
  • Candela – Hydrofoiling Electric Boats and Ferries
    At Candela, we make hydrofoiling electric boats and ferries that are the first to combine long range with high speed Our innovative hydrofoil technology cuts energy use by 80%, creating silent, fast, zero-emission vessels with unmatched efficiency
  • Lumens vs Candela : Whats the Difference? - Quick and Easy Lighting
    Lumens and candela are both units of measurement that can be used to describe how much light is being delivered, but they differ Lumens measure the total amount of light output by a source, while candela is more specific in measuring how much of that light is travelling in a particular direction
  • Candela | NIST
    The candela is the SI’s base unit for photometry—the science of measuring light as perceived by the human visual system It is as notable for what it does not do as for what it does: It does not represent the entire amount of light shining from an object; we have a different unit called the lumen for that
  • Candela (cd) | Britannica
    Candela (cd), unit of luminous intensity in the International System of Units (SI), defined as the luminous intensity in a given direction of a source that emits monochromatic radiation of frequency 540 × 1012 hertz and has a radiant intensity in that same direction of 1683 watt per steradian (unit
  • What is a Candela? - AllTheScience
    A candela is a measurement of the intensity of light and is used in the International Standard (SI) measurement system Historically, a candela has been roughly equal to the intensity of the light emitted by a regular candle
  • candela - Illuminating Engineering Society
    The candela is the luminous intensity in a given direction of a source that emits monochromatic radiation of frequency 540 x 10 12 hertz and that has a radiant intensity in that direction of 1 683 watt per steradian
  • candela – Metric System
    The candela, symbol cd, is the SI base unit of luminous intensity in a given direction By definition, one candela is equal to one lumen per steradian, where the lumen is defined by taking the fixed numerical value of the luminous efficacy of monochromatic radiation of frequency 540 × 10 12 Hz, Kcd, to be 683 when expressed in the unit lm W ‑1
  • About Candela
    Established in 1970, Candela is a leading US-based global medical aesthetic device company with headquarters in Marlborough, Massachusetts Candela Medical develops and manufactures medical aesthetic laser, IPL, and RF microneedling machines which come with extendable technical, clinical, and marketing support





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