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根据国家职业卫生标准 GBZ1 32 - 2 0 0 2《工业 γ射线探伤卫生防护标准》整理出防护距离的计算公式 ,利于防护距离的计算和防护层厚度确定 ,并举例说明公式的使用
According to the national occupational health standard GBZ132-2002 “Industrial γ-ray detection health protection standards” to sort out the calculation formula of protective distance, which is conducive to the calculation of protective distance and protective layer thickness determination, and illustrates the use of the formula