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    • 56. 发明申请
    • NON-DESTRUCTIVE INSPECTION METHOD AND DEVICE
    • 非破坏性检查方法和设备
    • US20120199754A1
    • 2012-08-09
    • US13501589
    • 2010-10-08
    • Hiroyuki NoseHajime KuwabaraTetsuya Kobayashi
    • Hiroyuki NoseHajime KuwabaraTetsuya Kobayashi
    • G01T1/16
    • G01N23/222
    • A method of non-destructive inspection of a subject body including one or more elements comprises irradiating the subject body with a neutron ray along an axis line passing through a reference point; synchronously detecting gamma rays from directions inclined at equal angles to the axis line at a plurality of measurement points disposed to have equivalent intervals radially from the axis line, respectively; measuring the detected gamma rays in a plurality of energy ranges; determining whether measured values in the respective energy ranges are beyond thresholds; determining energy ranges where all the measured values are beyond the thresholds; analyzing a type of an element from the determined energy ranges; and detecting a location of the analyzed type of the element in the subject body on the basis of the reference point, the respective measurement points, a relative position relative to a surface of the subject body, and the directions.
    • 包括一个或多个元件的被检体的非破坏性检查方法包括沿着穿过参考点的轴线照射具有中子射线的物体; 在多个测量点分别同轴地检测伽马射线,其方向以与轴线相等的角度倾斜,以分别设置成具有从轴线径向相等的间隔; 在多个能量范围内测量检测到的伽马射线; 确定各能量范围内的测量值是否超出阈值; 确定所有测量值超出阈值的能量范围; 从确定的能量范围分析一种元素的类型; 并且基于参考点,各个测量点,相对于被摄体的表面的相对位置和方向来检测被检体内分析的元件的位置。