氢

• The addition reaction with hydrogen cyanide is base-catalysed .
  与氰氢酸的加成是碱催化的。
• We will consider this zeeman effect for the hydrogen atom .
  我们将对氢原子考虑此塞曼效应。
• The substituent is deuterium .
  取代基是重氢。
• Hydrogen might be depleted with some of it turning into helium .
  氢可能被耗尽，一部分变为氦。
• Hydrogen evolution is always a possibility in water solutions .
  水溶液中氢的析出永远是可能的。
• Other series spectra for hydrogen have since been discovered .
  此后又发现了氢原子的其他光谱线系。
• Water is a compound containing the elements hydrogen and oxygen .
  水是含有氢元素和氧元素的化合物。
• Hydrogen is a product of the reaction between zinc and sulphuric acid .
  氢是锌和硫酸反应的生成物。
• The element hydrogen comprises 90% of the matter in gaseous nebulae .
  元素氢占气体星云物质的90。
• Now consider applying an external magnetic field to the hydrogen atom .
  现在考虑加一外磁场于氢原子。