| 释义 |
荧光灯yíngguāngdēng灯的一种,在真空玻璃管里充入水银,两端安装电极,管的内壁涂有荧光物质。通电后水银蒸气放电,同时产生紫外线,激发荧光物质而发光。常见的荧光灯光和日光相似。{fluorescent lamp; daylight lamp; vacuum-tubular lamp, fitted with electrodes at both ends, having a coating of fluorescent material on its inner surface and containing mercury vapour whose bombardment by electrons from the cathode provides ultraviolet rays which causes the material to emit visible light, with the light produced by the common type of such a lamp being akin to sunlight;}也叫also日光灯{rìguāngdēng}。 |