non-metallic element, 1813, coined by English chemist Sir Humphry Davy (1778-1829) from fluorspar ("calcium fluoride," modern fluorite), the late 18c. name of the mineral where it was first found (see fluor) + chemical suffix -ine (2). Not isolated until 1886. Related: Fluorinate; fluorination.
实用例句
1. A large proportion of the fluorine is vaporized during the concentration process.
在浓缩过程中大部份氟蒸出.
来自辞典例句
2. The fluorine does not accumulate indefinitely in the water.
氟不会在水里无限制地积累.
来自辞典例句
3. If the fluorine content is high, it may increase plant corrosion.
如果氟的含量高, 会加剧设备的腐蚀.
来自辞典例句
4. Although all plants normally contain fluorine, the concentration varies greatly.
虽然在正常情况下,所有的植物都含氟, 其浓度变化很大.
来自辞典例句
5. Presumably both the very small size and activating influence of fluorine atoms contribute to this exception.
