hydrogen

• 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。
• Compounds such as methane can be cleaved to carbon and hydrogen .
  象甲烷这样的化合物能分解为碳和氢。
• Hydrogen is a gas .
  氢是一种气体。
• Those that are aligned in the place are called equatorial hydrogens .
  那些在平面上定向的氢叫做平伏氢。
• This combination of uranium and hydrogen is called a "hydrogen bomb" .
  这种铀和氢的结合，叫做“氢弹”。
• He applied the concept of quantization of energy to the hydrogen atom .
  他把能量量子化的概念用于氢原子。
• The element hydrogen comprises 90% of the matter in gaseous nebulae .
  元素氢占气体星云物质的百分之九十。
• They react with many metals to form a salt and give off hydrogen .
  它们能和许多金属起反应，生成盐并放出氢。
• Atomic hydrogen was formed as a breakup product of the ions .
  作为这两种离子分裂的产物，形成了原子状态的氢。