裂變中子源 的英文怎麼說

中文拼音 [lièbiànzhōngziyuán]
裂變中子源 英文
fission neutron source
  • 裂 : 裂動詞[方言] （東西的兩部分向兩旁分開） open
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  • 裂變 : [核物理] atomic fission; fission; nuclear fission
  1. At the first start up of a new reactor, primary source rods consisted of californium - 252 are inserted into the reactor to produce sufficient neutrons to initiate the first fission

    反應堆在首次啟動時，會放入含有- 252 cf - 252的一次中子源棒，以提供足夠數量的中子進行初次核裂變。
  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. Practically every atom had its origin in the tiny violence of a radioactive disintegration some time within the past few billion years.

    實際上每個原子都來源於過去幾十億年中某一時刻放射性分裂的微小激變。
  5. 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。
  6. The nuclear fissile reaction system, which provides nuclear energy or neutrons, theoretically demands its criticality safety and neutron energy spectrum to be predicated. generally, those are realized by calculating the k - eigenvalue problem

    對于提供核能源或中子源的核裂變反應系統，需從理論上給出它的臨界安全性和中子能譜，通常通過k本徵值問題的計算來實現。
  7. Fission and fusion, the sources of large-scale nuclear energy, deserve more than passing notice in a modern survey of physics.

    裂變和聚變是大規模原子核能之源，在物理學的現代概觀中值得注意而不是予以忽視。
  8. The fds ( fusion - driven sub - critical system ) can realize the transmutation of hlw ( high level waste ), fuel production, energy breeding and tritium production by utilizing the external neutron source to make the reactor operated under the sub - critical state

    聚變中子源驅動的次臨界核能系統（ fds ）是根據聚變和裂變反應的各自特點，利用外源中子進入包層的次臨界系統，實現增殖燃料、增益能量、產氚和嬗變核廢料等功能。
  9. In addition, considering the essential characteristics of the fusion - fission hybrid reactor, the preliminary analysis and research of the mhd pressure drop of liquid metal that flow through the fuel packed pebble bed - based blanket are given

    另外，基於聚變中子源驅動的次臨界清潔核能系統，針對聚變?裂變嬗變混合堆的本質特點，對液態金屬球床包層進行初步地探討和研究，進行了球床液態金屬溢流的磁流體動力學流動的建模分析和計算。
  10. The liquid metal pb - 17li flow through a packed pebble bed - based blanket is considered to be one of the blanket candidates. the mhd pressure drop of liquid metal flow through the packed pebble bed has been calculated and analyzed under various conditions including ( a ) the size of the packed pebbles ; ( b ) the ratio of occupied room by the packed pebbles to that of liquid metal ; and ( c ) whether the pebbles surface is insulated or not

    在聚變中子源驅動的次臨界清潔核能系統的科學可行性和技術現實性基礎上，對聚變?裂變嬗變混合堆的多種概念性包層進行探討，對影響液態金屬在球床包層中的mhd壓降的相關因素（包括燃料小球的大小、液態金屬與燃料小球的占空比和燃料小球表面是否絕緣）進行分析研究。
  11. 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。
  12. 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。
  13. The method of numeral simulating the coincidence neutron detection is proposed with combining the neutron transportation and probabilistic calculation. the method is introduced and used to simulate the nuclear warhead induced fission by source neutrons with energy below 1 mev

    推導並提出用中子輸運計算與概率方法結合計算符合中子計數，對能量低於1mev的外源中子照射核彈頭誘發裂變的符合中子測量作了數值模擬。
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