Cd) is the si unit of luminous intensity [5][6] it measures the luminous power per unit solid angle emitted in a particular direction A common wax candle has a luminous intensity of roughly 1 cd. 坎德拉（candela）是发光强度的单位，国际单位制（SI）的7个基本单位之一。 简称“坎”，亦称烛光，符号cd。 是一光源在给定方向上的发光强度，该光源发出频率为540×10^12赫兹的单色辐射，且在此方向上的辐射强度为1/683瓦特/球面度。 At candela, we make hydrofoiling electric boats and ferries that are the first to combine long range with high speed Candela成立于1970年，总部位于美国马萨诸塞州波士顿，是一家专业的国际医疗美容设备公司。
Explore our extensive catalog, including lamps, ballasts, sockets, and more Trusted industry partner for over 30 years. 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. The candela has replaced the standard candle or lamp as a unit of luminous intensity in calculations involving artificial lighting and is sometimes called the “new candle.” The frequency of electromagnetic radiation chosen for the definition of the candela is in the green region of the visible spectrum The human eye, when adapted for bright conditions, is most sensitive near this frequency.
