general name for elements of the chlorine family, 1842, from Swedish, coined by Swedish chemist Baron Jöns Jakob Berzelius (1779-1848), literally "salt-producer," from Greek hals "salt" (see halo-) + -gen "giving birth to" (see -gen); so called because a salt is formed in reactions involving these four elements. Related: Halogenous.
halogen 英文释义
1. any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions
halogen 双语例句
1. Halogen atoms contain seven electrons in their valence shell.
卤原子在它们的介电子层含有七个电子.
来自辞典例句
2. Without doubt chloroform is one of the most important compounds containing a carbon - halogen bond.
毫无疑问,氯仿是含碳?卤键的最重要的化合物之一.
来自辞典例句
3. The formation of polyhalides depends on the combination of a central halide ion with a halogen.
多卤化物的形成取决于中心卤化物离子与卤素的结合.
来自辞典例句
4. Halogen atoms contain seven electrons in their valence shell, and , consequently, are monovalent.
卤原子在它们的价电子层含有七个电子, 因此是一价的.
来自辞典例句
5. The cable achieves the performance of low smoke halogen free.
电缆具有低烟、无卤特性.
来自互联网
halogen 实用场景例句
Open the rear cover of the headlamp and pull the installed halogen lamp out.
打开照明灯后盖,取出原有的卤素灯泡.
期刊摘选
We are interested in purchasing automobile halogenHalogen Lamps.
我们想采购大量的汽车前大灯,请厂家与我们联系.
期刊摘选
Conclusion : The condensation reaction were affected by the position of halogen in the benzene nucleus.
并探讨了卤素对缩合反应的影响.
期刊摘选
There are brighter sources of light like Halogen lights, LED lights, or Xenon lights.
有光明的来源一样卤素光灯, LED灯或氙气灯.
期刊摘选
CB without halogen residues, can effectively improve the welding quality and reliability.
CB无卤素残留, 能有效提高焊接品质和可靠性.
期刊摘选
Summarizes the techniques of the light as halogen lamp and xenon lamp, etc.
