neutron counting 中文意思是什麼

neutron counting 解釋
中子計數
  • neutron : n. 【物理學】中子。n. -ics 中子（物理）學。
  • counting : n. 計算。 counting house 〈英國〉＝counting room 〈美國〉賬房；會計室；事務室。 counting overseer [witness] （投票的）唱票監察人。
  1. Test method for oxygen content using a 14 - mev neutron activation and direct - counting technique

    使用14兆電子伏特的中子活化和直接計數技術測定含氧量的試驗方法
  2. 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。
  3. The simulation can be divided into three processes sequentially : calculating the induced fission neutron rate of uranium and space distribution by mam - li neutron source, computing the total uranium fission neutron count rate and time distributions of 42 3he tubes, and calculating the neutron coincidence counting rate

    第一步，以ain ? li源為中子源，計算鈾的誘發裂變中子產生二率及空間分佈；第二步，以鈾的誘發裂變中子為中子源，計算化根』 ne管的總中子計數率及時間分佈；第三步，計算中子符合計數率。
  4. The results of numeral simulation show that the higher - energy neutrons counting rate is quite low, it requires more counting time or much stronger low energy neutron source to detect the reliable signals

    計算結果表明，核彈頭裂變產生的較高能的中子數很少，需要較長的時間或較強的低能中子源才能探測到可靠的信號。
  5. Neutron coincidence counting is widely used in the authentication and management of nuclear material

    摘要中子符合計數在核材料認證和管理中有著廣泛的應用。
  6. This paper describes the principle of neutron yield measurement with icf activation taking example for cu 、 - coincidence counting system based on pxi, software configuration and function, the counting method of neutron yield and the calibration coefficient

    摘要以銅為例介紹了中子產額活化法測量的原理、基於pxi的-符合計數系統、軟體結構和功能、中子產額的計算與實驗刻度因子標定等，最後結合實驗測試結果對系統性能進行了分析。
  7. If using the natural uranium to replace the heu pit in warhead, the delayed neutron counting rate would be about 3 times lower. the coincidence neutron detection is proposed to be used in nuclear warhead detection

    計算表明用天然鈾替代高濃鈾作的假彈頭，它們的出殼緩發中子數相差約3倍，需在一定條件下，才可對真偽核彈頭做出判斷。
  8. Detecting nuclear warhead by counting delayed neutrons induced by neutron source is studied. the 2 - step calculation method is proposed to resolve the delayed neutron transportation issue. this method can save computer ' s calculation time, and is easy to operate

    本文研究了用外中子源照射核彈頭，誘發其裂變材料裂變，探測緩發中子的方法，以此判斷高濃鈾與低濃鈾，從而為核查核彈頭的真偽提供依據。
  9. With the outer neutron source which can only induce 235u fission, it could possibly prove the presence of heu in a warhead by counting the coincidence neutrons. this method possibly provides one of necessary attributions in identifying the real nuclear warheads

    本文研究了用中子符合探測方式測量能量低於1mev的外中子源在核彈頭中誘發的裂變數，以判別模型中是否含有高濃鈾，從而作為判斷核彈頭的真偽的可行性。
  10. Standard test method for nondestructive assay of plutonium in scrap and waste by passive neutron coincidence counting

    無源中子復合計數法測定廢棄物中鈈的無損檢驗的標準試驗方法
  11. Standard test method for nondestructive assay of plutonium by passive neutron multiplicity counting

    用無源中子重復計數法對鈈進行無損分析的標準試驗方法
  12. Standard test method for nondestructive assay of nuclear material in scrap and waste by passive - active neutron counting using a 252 cf shuffler

    使用a252cf的被動-主動中子計數法在碎片和廢料中作核材料無損檢定的標準試驗方法
  13. Nuclear energy. fuel cycle technology. waste. determination of radioactive characteristics of solid waste packages by passive neutron counting

    核能.燃料循環技術.廢料.用無源中子計數法測定固體廢料包裝的放射特性
  14. Nuclear energy - nuclear fuel technology - waste - recommendations for the calibration of an activity measurement facility of radioactive waste forms by passive neutron counting

    核能.核燃料技術.廢料.用無源中子計數法對放射性廢料形態活性測量裝置校準的推薦規范
  15. Standard test method for non - destructive assay of nuclear material in waste by passive and active neutron counting using a differential die - away system

    用差動衰減系統鈍化-活化中子計數法對廢物中的核物質進行無損分析的標準試驗方法
  16. The aim is to find sensitive observables specifically for strength and density dependence of sp. our results show : 1 ), the rapidity distribution of differential neutron - proton counting ( n ) from more neutron - rich reactions can be favorable to extract the information of sp. 2 ), the correlation between n and nc depends on the density dependence of sp more obviously

    我們的研究表明： 1 ）越豐中子核系統的中子-質子差的快度分佈顯示出對對稱勢更強的依賴， 2 ） n _ （ imf ） n _ c關聯更強地依賴于對稱勢的密度依賴形式。
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