| 释义 |
〔luminescence〕The emission of light that does not derive energy from the temperature of the emitting body, as in phosphorescence, fluorescence, and bioluminescence. Luminescence is caused by chemical, biochemical, or crystallographic changes, the motions of subatomic particles, or radiation-induced excitation of an atomic system.发冷光:不是由于发光体的热量而来的光的发射,比如在磷光,荧光和生物性发光中。发冷光是由化学,生化或结晶变化,亚原子颗粒的运动,或原子系统的辐射产生的〔chemistry〕The science of the composition, structure, properties, and reactions of matter, especially of atomic and molecular systems.化学:研究尤其是原子和分子系统物质的组成、结构、属性及反应的科学 |