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目的:探讨MM50射线品质测量方法及扫描光子束的性能。方法:用半导体探测器和电离望及RFA-300水箱等测试工具,采用各种测量方法并对结果作比较。结果:测量值与参考值吻合很好,并且各种方法所得的结果相一致。结论:所得的结果与过去的一些文献的理论不太相符,原因是MM50是一种新型的设备,具备多种能级,并拥有先进的电磁扫描控制和稳定的扫描射束,已超越了传统的局限,证明MM50具备更好的射线品质。
Objective: To investigate the MM50 radiometric quality measurement method and the performance of scanning photon beam. Methods: Test instruments such as semiconductor detectors and ionisers and RFA-300 water tanks were used to measure and compare the results. Results: The measured values agree well with the reference values and the results obtained by the various methods are consistent. CONCLUSIONS: The results obtained are not in line with the previous literature on the theory that the MM50 is a new type of device with multiple energy levels and advanced electromagnetic scanning control and a stable scanning beam that goes beyond the traditional The limitations prove MM50 has better ray quality.