halogen是什么意思？

halogen

英[ˈhælədʒən] 美[ˈhælədʒən]

• n. 卤素；

例句

• Halogen bond is known as a kind of non - covalent intermolecular interaction. 卤键是一种类似氢键的分子间弱相互作用.
• The behavior of halogen ions in alkaline - earth metal oxides + halogenide + molten slag of scales was investigated. 研究了碱土金属氧化物+卤化物+氧化铁熔渣中卤离子的行为.
• 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.
• 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.
• 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.
• The fluorescence quenching of these emissive compounds in solution by halogen anions was studied carefully. 研究了它们在溶液中的荧光被卤素离子猝灭的问题.
• 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.
• AOX ( adsorbable organic halogen ) was an important signal of artificial pollution. 可吸附有机卤化物 ( AOX ) 是人为污染的重要标志之一.

英英词典释义

• Noun
  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

行业词典

• 化学： 卤素；
  医学： 卤素：为化学性质上密切相关的一类元素，包括溴、氯、氟、碘及砹(astatine)，可与钠及其他许多金属形成类似的(盐样)化合物；