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    • 7. 发明授权
    • Non-destructive inspection method and device
    • 无损检测方法及装置
    • US08680477B2
    • 2014-03-25
    • 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。
    • 8. 发明申请
    • NON-DESTRUCTIVE INSPECTION METHOD AND DEVICE
    • 非破坏性检查方法和设备
    • US20120199746A1
    • 2012-08-09
    • US13501468
    • 2010-10-13
    • Hiroyuki NoseHajime KuwabaraTetsuya Kobayashi
    • Hiroyuki NoseHajime KuwabaraTetsuya Kobayashi
    • G01N23/22
    • G01N23/222
    • A method of non-destructive inspection of a subject body including an element is comprised of irradiating the subject body with a neutron ray through a first measurement point and a second measurement point; measuring an elapsed time after a first time point when a resonant neutron specific to the element passes through the first measurement point and before a second time point when a prompt gamma ray made emitted by the resonant neutron from the subject body is detected at the second measurement point; and determining a location of the element in the subject body by the first measurement point, the second measurement point, a relative position toward a surface of the subject body, and the elapsed time.
    • 包括元件的被检体的非破坏性检查方法包括通过第一测量点和第二测量点用中子射线照射被检体; 测量当所述元件特有的谐振中子通过所述第一测量点的第一时间点之后的经过时间,以及在所述第二测量点处检测到来自所述主体的所述谐振中子发出的迅速伽马射线时的第二时间点之前的经过时间 点; 以及通过第一测量点,第二测量点,朝向被摄体的表面的相对位置和经过的时间来确定被摄体内的元件的位置。