过滤X参考辐射装置性能的非介入评价  

NONINVASIVE EVALUATION OF A FILTERED X-RAY REFERENCE RADIATION ASSEMBLY

作　　者：薛永库[1] 蔡反攻[1] 杨国山[1] 钱大可[1] 

机构地区：[1]北京放射医学研究所

出　　处：《原子能科学技术》1994年第3期257-261,共5页Atomic Energy Science and Technology

摘　　要：报道了中能过滤ｘ参考辐射装置的性能参数测量和评价方法。利用ＶＩＣＴＯＲＥＥＮ非介入式诊断ｘ射线质量保证仪器ＮＥＲＯ￣（ＴＭ）６０００Ｂ，一次操作可测出ｋＶ及其平均、最大和有效值，照射时间，辐射的输出和波纹等重要参数以及ｋＶ和辐射波形。测量是从ｘ射线束取样，不需要拆卸装置，故提高了工作效率和安全性。该方法也适用于过滤ｘ参考辐射装置的质量保证。A method of assessing the performance of a filtered X-ray reference radiation assembly withenergies over the range 60-200 kV is given. The measurements are taken by using of a noninva-sive diagnostic X-ray quality assurance instrument NERO￣(TM) 6000B. Some important parameterssuch as instantaneous kilovolt peaks and its waveform,time- integrated effective kV,exposuretime,exposure output,radiation waveform and radiation ripple can be acquired from X-ray beamsjust within one exposure,so the measurement is very effective and need not to disassemblefacility. This method is also suitable for the quality assurance of filtered X-ray reference radiationequipments.

关 键 词：参考辐射 质量保证 管电压 X辐射 

分 类 号：R144.1[医药卫生—公共卫生与预防医学]