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fluorescence


  • 英式英标[flʊə\'rɛsns]
  • 美式音标[flʊə\'res(ə)ns; flɔː-]

n. 荧光;荧光性

英文词源

fluorescence (n.)
1852, "property of glowing in ultraviolet light," coined by English mathematician and physicist Sir George G. Stokes (1819-1903) from fluorspar (see fluorine), because in it he first noticed the phenomenon, + -escence, on analogy of phosphorescence.

中文解释

1. flu- + -or => fluor (originally meaning "a flowing, flow").2. => fluor: an old chemistry term for "minerals which were readily fusible and useful as fluxes in smelting". => fluorite / fluorspar.3. fluorspar ("calcium fluoride," modern fluorite), name of the mineral where it was first found.4. fluor + -ine (chemical suffix). So named because it is isolated from fluor / fluorite.5. fluor + -escence (-esce + -ence). Because in fluorspar (fluorite) he first noticed the phenomenon, on analogy of phosphorescence. => "glowing in ultraviolet light".6. fluorescence => fluorescent.

实用例句

1. In X - ray fluorescence, pieces of the filter are used directly.
在 X 射线荧光法中, 可直接使用滤纸.
来自辞典例句
2. The dashboard itself is divided into three vacuum Fluorescence Displays.
仪表板本身化分为三个真空荧光显示器.
来自辞典例句
3. In many atomic fluorescence applications a non - dispersive optical system may be used.
在许多原子荧光法的应用中,可以采用 非 分散的光学系统.
来自辞典例句
4. All the overhead fluorescence was on.
头顶上的荧光灯全都打开了.
来自辞典例句
5. Fluorescence is high in shallow immature samples and decreases in the main zone of oil generation.
浅处未成熟样品的荧光是高位,而主要生油带则降低.
来自辞典例句