《Table 4 Measurement result of radioactive source at different positions》

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《桶装固体废物α/γ分类检测装置研制》

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Measurement object model was set up in the need to fill in matrix density，because this system couldn’t accurately know the actual form of matrix，this equipment adopted 152Eu as transmission source to correct attenuation of the matrix，so as to get the matrix inside the MCNP program description，established the calculation model of measuring objects，and calculated detection efficiency of the current layer and adjacent layer.