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首页> 外文会议>International Symposium "Nuclear Physics and Gamma-ray Sources for Nuclear Security and Nonproliferation" >New Non-Intrusive Inspection Technologies for Nuclear Security and Nonproliferation
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New Non-Intrusive Inspection Technologies for Nuclear Security and Nonproliferation

机译：核安全和抗性新的非侵入式检测技术

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Comprehensive monitoring of the supply chain for nuclear materials has historically been hampered by non-intrusive inspection systems that have such large false alarm rates that they are impractical in the flow of commerce. Passport Systems, Inc. (Passport) has developed an active interrogation system which detects fissionable material, high Z material, and other contraband in land, sea and air cargo. Passport's design utilizes several detection modalities including high resolution imaging, passive radiation detection, effective-Z (EZ-3D?) anomaly detection, Prompt Neutrons from Photofission (PNPF), and Nuclear Resonance Fluorescence (NRF) isotopic identification. These technologies combine to: detect fissionable, high-Z, radioactive and contraband materials, differentiate fissionable materials from high-Z shielding materials, and isotopically identify actinides, Special Nuclear Materials (SNM), and other contraband (e.g. explosives, drugs, nerve agents). Passport's system generates a 3-D image of thescanned object which contains information such as effective-Z and density, as well as a 2-D image and isotopic and fissionable information for regions of interest.
机译：核材料供应链的全面监测历史上受到了非侵入式检测系统的阻碍，这些系统具有如此大的误报率，即它们在商业流动中是不切实际的。 Passport Systems，Inc。 Passport的设计利用多种检测模式，包括高分辨率成像，被动辐射检测，有效Z（EZ-3D？）异常检测，来自光缺失（PNPF）的迅速中子，核共振荧光（NRF）同位素鉴定。这些技术结合于：检测可裂变，高Z，放射性和违禁品，从高Z屏蔽材料区分可裂变材料，同位素地鉴定散曲线，特殊的核材料（SNM）和其他违禁品（例如炸药，药物，神经药物）。 Passport的系统生成了一个三维图像，其包含诸如有效Z和密度的信息，以及对感兴趣区域的2-D图像和同位素和可调节信息。

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