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医用敷贴器和校准辐射防护β剂量计并测定它们的能量响应,都必须准确地测量吸收剂量率。β辐射吸收剂量的初级标准就是能准确测量β吸收剂量率的装置。它是由外推电离室、静电计、温度计、湿度计、气压计和计时器所组成。有效收集面积7.132×10~(-4)m~2由电离室电容的测量结果计算得出。外推电离室电离
Medical applicators and calibrating the radioprotective beta dosimeters and measuring their energy response must all measure the absorbed dose rate accurately. The primary standard for beta radiation absorbed dose is the device that accurately measures the beta dose rate. It is extrapolated by the ionization chamber, electrometer, thermometer, hygrometer, barometer and timer composed. Effective collection area of 7.132 × 10 ~ (-4) m ~ 2 calculated by the ionization chamber capacitance measurement results. Extrapolation Ionization chamber ionization