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为探讨同一厂家的ＳＰＥＣＴ仪在不同使用周期中固有泛源均匀性 (ＩＦＦＵ)的变化规律 ,我们分析了ＴｏｓｈｉｂａＳＰＥＣＴ仪的ＩＦＦＵ在不同使用周期中的测定结果。仪器与方法1 仪器。 9台ＴｏｓｈｉｂａＳＰＥＣＴ仪 (1台为双探头 ,余为单探头 ) ,分别属于广东地区ＳＰＥ?
To investigate the variation of the inherent flood source uniformity (IFFU) of the same manufacturer’s SPECT instrument in different life cycles, we analyzed the results of the determination of the IFFU of the Toshiba SPECT instrument in different life cycles. Instrument and Method 1 Instrument. 9 Toshiba SPECT instruments (1 for dual probes and the rest for single probes), which belong to SPE in Guangdong respectively?