nuclear detection 中文意思是什麼

nuclear detection 解釋
核爆炸探測
  • nuclear : adj 1 核的，成核的；有核的。2 【物理學】原子核的；原子能的；原子彈的；核動力的。3 〈比喻〉核心的...
  • detection : n. 1. 探知；發現，發覺；敗露。2. 【化學】檢定，檢查；【電訊】檢波。
  1. In analyzing the neutron active detection, the neutron multiplication in the nuclear warheads induced by outer neutron source with different neutron energys is studied with numeral simulation, and the feasibility of through counting neutrons to determine the presence of high enrichment uranium ( heu ) in nuclear warhead has been proved. the method of detecting the warhead which contains heu pit by counting the released neut rons whose energy is higher than that of source neutron is studied. the feasibility of this method has been studied

    對幾種主動探測核彈頭方法進行的研究中，首先對不同能量各向同性外源中子照射核彈頭的中子增殖行為進行了數值模擬，檢驗了用外源中子照射核彈頭后，通過測量瞬發中子在核彈頭中的增殖量，來證明核彈頭中高濃鈾存在的可行性；研究了用能量低於1mev的外中子源照射核彈頭，用測量核彈頭中裂變產生的高於源中子能量中子數的方法探測核彈頭，通過數值模擬分析了可行性。
  2. Nuclear energy ; performance and testing requirements for criticality detection and alarm systems ; identical with iso 7753 : 1987

    核能.臨界狀態探測和報警系統的性能和試驗要求
  3. Nuclear criticality safety for fissile materials outside reactor. performance and testing requirements for nuclear criticality detection and alarm systems

    反應堆外易裂變材料的核臨界安全核臨界事故探測與報警系統的性能及檢驗要求
  4. Application of nuclear quadrupole resonance technique in mine detection

    核四極矩共振炸藥探測技術在探雷中的應用
  5. Nuclear warheads detection is an important verification technology for nuclear disarmament treaty in nuclear disarmament process, and this technology is also concerned to the national security interests

    在核裁軍過程中，核彈頭探測是對核裁軍條約執行情況進行核查的重要內容，它涉及到國家重大安全利益。
  6. Data acquisition and control is an important part of nuclear electronic & nuclear detection application in hep

    摘要數掘採集與控制是高能物理中核電子學應用的重要部分。
  7. Limit of detection and limit of decision for nuclear radiation measurements ; counting spectrometric measurements, neglecting the influence of sample treatment

    核輻射探測極限和識別極限.不考慮試樣處理影響的計數
  8. Limit of detection and limit of decision for nuclear radiation measurements - part 4 : counting alphaspectrometric measurements, neglecting the influence of sample treatment and equipment used

    核輻射測量用探測極限和判定極限.第4部分:不考慮試樣
  9. Detection limit and decision threshold for nuclear radiation measurements - part 5 : counting measurements by high resolution gamma spectrometry, neglecting the influence of sample treatment ; examples and comments

    核輻射測量的探測極限和決策門限.不考慮試樣處理影響
  10. Nuclear electronics amp; detection technology

    核電子學與探測技術
  11. Nuclear electronics detection technology

    核電子學與探測技術
  12. Limit of detection and limit of decision for nuclear radiation measurements ; counting measurements neglecting the influence of sample treatment ; comments and examples

    核幅射測量的驗算極限和判定極限.不考慮樣品處理影響
  13. Nuclear reactors ; instrumentation and control systems important for safety ; detection of leakage in coolant systems

    核反應堆.安全控制裝置.冷卻設備中核泄漏檢測
  14. Therefore, the crucial factor of technology of nucleus - detection is nuclear spectrum data collecting system whose core is the multi - channel analyzer ( mca )

    所以以多道脈沖幅度分析器為核心的核能譜數據採集系統，是核輻射探測技術的關鍵。
  15. The term " crash dive " refers to the sudden dropping of a sub to escape detection, an act that a nuclear sub is never supposed to make

    海豹特種部隊奉命發動奇襲，登上潛艇跟恐怖分子進行殊死戰。
  16. In numeral simulation of passive neutron detection, it is proposed to use the iterative calculation in analyzing the neutron multiplication in nuclear warhead. on this basis, the mass of the plutonium pit could be obtained under some conditions

    在被動中子探測數值模擬中，提出在確定了核彈頭的泄漏中子計數后，採用迭代方法計算中子在核彈頭模型中的增殖，由此在一定條件下可實施核彈頭質量屬性的反演。
  17. In many fields, such as remote sensing, nuclear medical, computer tomography, geophysical prospecting, groundwater hydrology, global ocean modeling, image processing, tumor detection, nondestructive detection, the objective of applied sciences and engineering is the recovery of the original signal given a collection of noisy observations of the original signal ; we call these problems inverse problem

    在遙感技術、核醫療技術、計算機斷層掃描（ ct ）技術、地質勘探、地下水文學、電磁輻射、圖像恢復和重構、腫瘤檢測、非破壞性檢測等科學研究和工程實踐中，經常需要根據一組觀測到的數據來估計目標的真實信號，而觀測到的數據往往是真實信號經模糊、失真和加噪等過程后所得的輸出信號，通常稱這類問題為逆問題。
  18. The results show that coincidence detection method has obvious benefit in detecting nuclear warheads. for the same type warhead, the coincidence counts rates of the model of warhead of heu pit is 10 times as big as that of fake warhead of natural uranium pit. if we know the nuclear warheads configuration by other methods, the method of coincidence neutron detection could be used to distinguis h the fake nuclear warheads from the reals

    計算表明用探測符合中子的方法探測核彈頭對區分真假核彈頭有明顯的優點，對于同一核彈頭模型，裂變彈芯是高濃鈾和用天然鈾替代高濃鈾時，符合中子計數相差1個量級，如通過其他途徑了解核彈頭的大致結構，符合測量的方法就可以有較高的置信度分辨真假核彈頭。
  19. The encoding of the data by ann approach is a promising method for the measurement of uranium samples. the determination of the shielded uranium, in particular, by passive gamma - ray detection is a formidable challenge. gamma rays are ideal probes for determining the attributes of uranium in nuclear material transparency monitoring and verification of safeguards regime

    2 % ;封裝濃縮鈾屬性的判定一直是nda測量技術中的難點問題，本工作提出了一種輔助探測的方法並給出了高濃鈾的判定依據，該方法通過探測232u衰變子體核素208t1的2614 ， 75kev特徵射線能峰確定鈾樣品中是否存在232u ，從而判定封裝樣品是否為高濃鈾。
  20. The present work is the first in china to research tgs according to the requirements of nuclear safeguards technology in china. three key techniques, determination of detection efficiency, tgs transmission image reconstruction methods and fast reconstruction technique of tgs emission image, are researched thoroughly based on the careful analysis of lots of information on tgs

    本文在充分調研和分析了國外1990年到現在有關tgs技術的信息資料和大量論文報告的基礎上，針對tgs技術研究中的探測效率刻度、透射測量圖像重建計算和發射測量圖像快速重建計算三個關鍵技術進行了如下三方面的研究。
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