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中文摘要：
利用^60Co放射源分别对3种塑料闪烁体（BC-408，EJ-200，BC-404）进行辐照损伤研究，比较辐照前后的透射谱、发射谱及光产额的变化，发现3种闪烁体在低剂量具有较好的抗辐照性能：当照射剂量超过1．44×10^4Gy时，透射谱明显变坏，光输出减少很严重，但发射谱却保持不变．
英文摘要：
Using ^60Co radioactive source, the radiation damage properties of three kinds of plastic scintillators, BC-408, EJ-200 and BC-404 were studied. By the study of the variation of transmission spectra, emission spectra and light yield, it can be found that the scintillators have good irradiation hardness at low dose. When the dose is over 1.44×10^4Gy, the transmission spectrum becomes worse and the light output decrease very much. However, the emission spectrum is unchanged.
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