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- W2382836632 abstract "The effects of neutron radiation shielding were studied by use of a new hydrogel. A simple PVA / PEO hydrogel and the hydrogel containing metal ions were prepared by physical cross-linking method. The effects of hy-drogels to 2.45 MeV neutron radiation shielding were theoretically analyzed by SHIELD procedure which is based on Monte Carlo simulation to calculate the neutron transport situation in different hydrogels. The flux counts of 2.45 MeV neutron through different thicknesses of hydrogels were measured by a BF3 neutron detector using a K-400 type high-voltage multiplier. The Monte Carlo simulation results show that neutron flux and energy decrease gradu-ally with increment of hydrogel thickness. Compared with simple group,the neutron flux and energy through the same thickness of group containing metal ions decrease more obviously. The results measured by BF3 neutron detector show that the percentage change of neutron flux count through 6—10 cm thickness of hydrogel containing metal ions to 2.45 MeV neutron increase significantly compared to simple hydrogel,and it comes to 61.3% at 10 cm thickness of the hydrogel,and its radiation shielding linear equation is y=-4.5103x +86.229. It can be concluded that PVA / PEO hydrogel has a better neutron irradiation shielding effect,especially for the PVA / PEO hydrogel containing metal ions." @default.
- W2382836632 created "2016-06-24" @default.
- W2382836632 creator A5020845113 @default.
- W2382836632 date "2010-01-01" @default.
- W2382836632 modified "2023-09-23" @default.
- W2382836632 title "Study on preparation and neutron radiation shielding effect of PVA/PEO hydrogel" @default.
- W2382836632 hasPublicationYear "2010" @default.
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