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大功率Ｘ线球管是ＣＴ设备的主要消耗性部件，其价格昂贵。本研究目的是探讨适当降低曝光剂量（ＭＡＳ）作ＣＴ扫描对ＣＴ图像质量和Ｘ线球管寿命的影响，以寻求在不影响诊断准确性的前提下延长Ｘ线球管使用寿命的方法。１材料与方法所用扫描设备为ＨＩＴＡＣＨＷ４全身...
High-power X-ray tube CT equipment is the main consumable parts, its expensive. The aim of this study was to explore the effect of reducing exposure dose (MAS) for CT image quality and X-ray tube life expectancy, in order to find a way to prolong the service life of X-ray tube without affecting the diagnostic accuracy. 1 materials and methods used by the scanning device HITACHW 4 body ...