中子源 的英文怎麼說

中文拼音 [zhōngziyuán]
中子源 英文
[核物理] neutron source; neutron producer中子源增殖 neutron multiplication
  • 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
  1. Americium - beryllium neutron sources

    鎇鈹中子源
  2. Americium beryllium neutron source

    鈹中子源
  3. Generally, the share of the autogeny target neutron in d - t neutron source is less than one percent

    一般，自生靶中子在d - t中子源中所佔的份額小於1 。
  4. The autogeny target neutron and pipeline neutron are monitored with associated particle method and long counter through changing different target foil. the effect of the autogeny target neutron is over ten times than that of the pipeline neutron

    對加速器d - t中子源自生靶中子和管道中子，通過改變不同靶片，用伴隨粒子法和長計數器進行測量，評估了自生靶中子和管道中子的影響。
  5. 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。
  6. 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。
  7. Our results show that with the up to date experimental data, 13c can not sufficiently burn, the neutron number density decrease, the timescale of neutron source become long and these come into conflict with model of thermal pulse agb star

    研究結果表明，在新實驗結果下， 』 3c不能充分燃燒，中子數密度降低，中子源持續的時標變長，這與熱脈沖agb星的現有模型出現矛盾。
  8. Specifiation of nuclear fuel rods for miniature neutron source reactor

    微型中子源反應堆核燃料棒技術條件
  9. 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。
  10. When the neutron decay constant is measured in the zero power assembly, the dt external neutron measurement system ( scintillator photomultiplier tube detector st - pmt ) may provide trigger - signal and time correlationship

    摘要在零功率堆上進行了衰變常數測量實驗中，建立外中子源dt中子測量系統可以為物理診斷系統提供觸發信號和時間關聯信號。
  11. Moreover, we compute the change against neutron irradiation of heavy element abundance in typical branching point 85kr of s - process and result is good agreement with the former too

    重元素的核合成中最重要的因素之一是中子源問題，穩定的中子源是重元素的核合成必要保證。
  12. According to the demand of the concept design of china spallation neutron source ( csns ), the target station, i. e. the target, the reflector and the moderator have been simulated and optimized using monte carlo simulation software, nmtc / jam and mcnp4a, firstly. the neutron flux escaping from the target and the moderator and the heat deposition in the target, the reflector and the moderator are calculated. these results provided essential data as a basis of the spallation neutron source design

    本論文結合當前中國散裂中子源（ chinaspallationneutronsource ， csns ）工程概念設計的迫切需要，選擇國際上廣泛使用的基於蒙特?卡羅方法，用於模擬粒子輸運過程的程序mcnp4a和nmtc jam作為研究工具，首次對csns靶站進行了全面的模擬與優化，內容包括靶、反射體與慢化器系統的中子通量分佈以及熱量沉積，同時計算了靶的溫度場與應力場分佈。
  13. ( 2000 ). the neutron irradiation is assumed to derive primarily by the reaction 13c ( a, n ) i60 with a minor contribution from the marginal burning of 22ne through the channel 22ne ( a n ) 23mg in the final, high temprature phase of each flash. and we considered the influence of the various parameters such as the initial core mass, the envelope mass, the mass - loss rate, the overlap factor and the delution factor etc., and we vary their value with the pulse number

    本文採用分叉s -過程反應通道，以~ （ 13 ） c （ ， n ） ~ （ 16 ） o 、 ~ （ 22 ） ne （ ， n ） ~ （ 25 ） mg為雙脈沖中子源，用最新的中子俘獲截面，利用gallino和busso等人給出的agb星三殼層核合成模型，考慮到核心質量、挖掘程度、重疊因子、稀釋因子及星風質量損失率隨脈沖數的變化，詳細計算和研究了各個金屬豐度情況下的3m 。
  14. 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。
  15. 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。
  16. The target studied in this paper is one of the most important components in the ads. coupling the two innovative fields in the nuclear scientific and technological circles that are accelerator and sub - critical reactor. the physical function of this part is be as the neutron source, accepting the medium or high energy proton, breeding spallation reaction, arising the self - sustaining nuclear fission and generating the power

    本文所研究的靶件作為該系統最重要的關鍵部件之一，耦合核科技界的兩大創新領域-高功率質子加速器和次臨界堆，該靶件的物理作用主要是接受中、高能質子，發生散裂反應，產生中子源，引發持續鏈式反應，產生能量。
  17. 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。
  18. 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。
  19. 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。
  20. Adopting single pulse neutron exposure 22ne ( a, n ) 2dmg and the updated neutron cross section, making use of the core helium burning model of the single neutron exposure theory, we calculate the s - process nucleosynthesis in massive stars at different mettalicity and compare the results with the solar s - weak component

    我們採用單脈沖中子源『 zne （ a ， n ） zsmg ，採用最新發表的中子俘獲截面，用中心氦燃燒模型計算了各金屬豐度情況下15m m叼0m 。的大質量星的s過程核合成，並將所得結果與太陽的s刁分量進行比較。
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