射线

• In x-ray fluorescence, pieces of the filter are used directly .
  在X射线荧光法中，可直接使用滤纸。
• It screens out lethal ultraviolet and x-rays from the sun .
  它阻挡了来自太阳的致命的紫外线和X射线。
• X-rays are produced whenever electrons are brought to rest suddenly .
  突然使电子停止运动就会产生X射线。
• This interaction can produce gamma rays or secondary protons .
  这种互相作用能够产生射线或第二代质子。
• X-rays were produced when energetic electrons hit a solid object .
  X射线是在高能电子击中固体靶时产生的。
• In a vacuum, gamma rays travel in straight lines with the speed of light .
  真空中，射线以光速沿直线前进。
• Strictly speaking, it is not possible to absorb gamma rays completely .
  严格来说，不可能把射线全部吸收掉。
• Cosmic rays and x-rays produce energetic electrons by ionization .
  宇宙射线和X射线因其电离作用产生高能电子。
• Any outgoing ray path must be coincident with that of the returning ray .
  任何出发的射线与返回的射线路径完全相同。
• Cygnus x-3 is a binary x-ray source located at a distance of 10kpc .
  天鹅座X-3是一个距离约10千秒差距的双重X射线源。