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中国工程物理研究院核物理与化学研究所
Published:2013
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[1]丁阁,储诚胜,郝樊华,曾军,向清沛.脉冲快热中子分析探雷技术实验研究[J].核技术,2013,36(03):10-16.
DING Ge CHU Chengsheng HAO Fanhua ZENG Jun XIANG Qingpei. Experimental research on PFTNA landmine detection[J]. Nuclear techniques, 2013, 36(3): 030201
[1]丁阁,储诚胜,郝樊华,曾军,向清沛.脉冲快热中子分析探雷技术实验研究[J].核技术,2013,36(03):10-16. DOI: 10.11889/j.0253-3219.2013.hjs.36.030201.
DING Ge CHU Chengsheng HAO Fanhua ZENG Jun XIANG Qingpei. Experimental research on PFTNA landmine detection[J]. Nuclear techniques, 2013, 36(3): 030201 DOI: 10.11889/j.0253-3219.2013.hjs.36.030201.
基于微秒量级的脉冲D-T中子发生器以及溴化镧探测器
搭建了脉冲快热中子分析探雷实验系统。在典型有机土壤与无机土壤背景中开展了地雷及干扰物探测实验
通过分时测量系统
成功获取了各种目标物的快中子诱发伽马谱与热中子诱发伽马谱。通过对中子诱发伽马能谱中12C、16O、1H、14N四种核素相应特征峰的分析
得到了目标物中各核素的相对含量信息
在不同土壤背景下均能有效实现地雷样品和常见干扰物的分辨。
Background: Pulsed fast/thermal neutron analysis(PFTNA) is an advanced bulk technique for non-destructive elemental characterization
which was applied to landmine identification in some advanced countries.Purpose: To demonstrate the feasibility of the PFTNA landmine detection method.Methods: A PFTNA landmine identification system was set up based on a millisecond pulsed D-T neutron generator and a LaBr3(Ce) gamma detector.Interrogative experiment was carried out on different landmines and distracters in the typical organic soils and inorganic soils.Results: The fast neutron induced spectra and the thermal neutron induced spectra of the samples were obtained successfully through time-sharing measurement circuit.The relative contents of 12C、16O、1H、14N contained in the objects were obtained through the analysis of the neutron induced spectra.Conclusions: It could be concluded that the PFTNA method can identify the landmines from the common distracters.
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