...颅咽管瘤内照射治疗 internal irradiation of radioactive nuclide 放射性核素内照射 irradiation of internal target 内靶照射 ..
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介绍了在低能范围内利用放射性同位素源发出的初级射线，照射和激发靶片元素产生的特征X射线的规律性；
The law of characteristic X-rays emitted by target element under the radiation of isotope source in a range of low energy is discussed.
超短脉冲激光照射固体靶时可将其能量在极短的时间内沉积在靶表面一个极小的空间范围内，在固体靶表面产生固体密度的等离子体。
Differing from the long pulse laser the ultra short laser will deposit its energy on the surface of the solid target in very short time and produce solid dense plasmas.
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