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为了评价诊断X射线的线质和测量入口皮肤的吸收剂量,以便估算其所致人群的有效剂量当量,建立了一种以CaSO_4:Dy聚四氟乙烯圆片为基础的
To evaluate the diagnostic X-ray linearises and to measure the absorbed dose at the entrance to the skin in order to estimate the effective dose equivalent of the population it causes, a CaSO 4: Dy based polytetrafluoroethylene wafer was developed