【摘要】 介绍了美国ASTM标准中推荐的一种利用工业CT测量物体质量密度的原理与方法以及一个应用案例,显示了该方法较高的测量精度。该法可在工业CT的实际应用与系统性能测定中参考使用。更多还原

【Abstract】 A density calibration method by industrial CT was introduced,which was recommended by ASTM.An example was presented to demonstrate the feasibility and accuracy of the method under a 9MeV industrial CT.The method could be put into use in practical density measurement and in the performance test of an industrial CT.更多还原