在Lipowitz合金中，2兆伏、4兆伏、10兆伏和18兆伏产生的X射线以及钴-60的γ射线的衰减。
Attenuation in Lipowitz's metal of x rays produced at 2, 4, 10, and 18 MV and gamma rays from cobalt-60.
作者信息
Huen A, Findley D O, Skov D D
出版信息
Med Phys. 1979 Mar-Apr;6(2):147-8. doi: 10.1118/1.594526.
DOI:10.1118/1.594526
PMID:460064
Abstract
Attenuation in Lipowitz's metal of x rays produced at 2, 4, 10, and 18 MV and gamma rays from cobalt 60 were measured to the 1% level with a narrow beam geometry. Blocks made from standard styrofoam mold (7.6 cm thick) would reduce these primary beams by 95% to 99%.
摘要
在窄束几何条件下，测量了在2兆伏、4兆伏、10兆伏和18兆伏产生的X射线以及钴60产生的γ射线在利普沃茨合金中的衰减，测量精度达到1%。由标准聚苯乙烯泡沫塑料模具制成的块体（7.6厘米厚）可将这些原射线束减少95%至99%。
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