fast-neutron 中文意思是什麼

fast-neutron 解釋
快中子
  • fast : adj 1 緊 （opp loose）， 牢實的，堅牢的，粘得緊的，堅固的；固定的。2 忠實的，可靠的。3 耐久的；不...
  • neutron : n. 【物理學】中子。n. -ics 中子（物理）學。
  1. Undertaking isotopic geochronological study on ar - ar, adopted the fast - neutron activation dating technique to test 40ar - 39ar age of quartz from au - bering quartz veinlet ore in the deposit, and well - defined plateau age of 210. 59 ma ?. 92 ma, the lowest apparent age of 208. 07 ma ?. 22 ma, and isochron age of 207. 14 ma ? 1. 92 ma

    通過流體包裹體顯微測溫學研究，表明金礦床的均一溫度成礦早階段為270 320 ，成礦主階段為170 250 ，成礦晚階段為110 250 ，呈逐漸降低的趨勢，低溫成礦作用明顯。
  2. Neutron fluence measurement - part 6 : fast - neutron fluence determination with thorium fission detectors

    中子注量測量.第6部分:用釷裂變探測器測定快中子注量
  3. Neutron fluence measurement - part 2 : fast - neutron fluence determination with iron activation detectors

    中子注量測量.第2部分:用鐵活化探測器測定快中子注量
  4. Irradiation defects decompounded and recombined with oxygen impurity and large quantity of nucleation centers were introduced in czsi bulk during annealing at 1100. in nitrogen atmosphere, more defects were induced in fast neutron irradiated czsi than in argon atmosphere

    不同氣氛下快中子輻照直拉硅中缺陷形成的差異很大， 1100的高溫退火中，與氬氣氛相比，氮氣氛退火樣品中出現了更多缺陷。
  5. U - 238 can induce fission after absorbing a high energy neutron fast neutron and then forming the plutonium 239 pu - 239, which is a fissile nuclide

    后極可能產生裂變的核素，鈾- 238則是可裂變的核素。鈾- 238在吸收高能量的中子快中子后，會形成- 239 pu - 239 。
  6. In chapter two the general design requirements for a measuring system for fast neutron reactors and fuel pins are presented and the brief introduction of mechanical equipment is also given

    第二章介紹了快堆組件套管及燃料棒測量控制系統總體設計需求，以及機械設備的概況。
  7. Standard test method for measuring fast - neutron reaction rates by radioactivation of niobium

    通過鈮的輻射活化測定快中子反應速率的標準試驗方法
  8. The study on fast neutron physics and relative technique of experiment and data analysis made at a pulsed neutron generator in beijing normal university during recent yeras is introduced

    摘要綜述近年來在北師大低能所的國內第一臺脈沖化高壓倍加器上開展的快中子物理，及有關的實驗和數據處理技術研究。
  9. The let factors rlet ( rlet = 0. 05 ) of neutron response for liftld in various n + y mixed fields in the fast neutron reactor have been determined experimentally due to the existing let effects of the response for liftld to neutron absorbed dose. the experimental results show that the let factor for neutrons from thermal energy to 5mev energy is about 0. 050. so it is workable to measure the photon fluence in the pulse reactor with 7liftld

    為確定liftld能否用於n 、混合場的區分測量，本文定義了let效應因子，並對liftld的let效應因子進行了實驗測定，測量結果表明： liftld對熱中子至5mev中子響應的let效應因子值約為0 . 050 ，因此，選用~ 7liftld用於脈沖堆光子注量測量是可行的。
  10. A uniform state ion chamber with double layers has been developed for distinct measurement in various n + y mixed fields in the fast neutron reactor. the cavity material is 6lif + 7lif. the inner wall material is 6lif and the outer wall material is 7lif

    根據let效應因子的測量結果和快中子堆y譜、中子譜等基本資料，以及~ 6lif和~ 7lif對中子響應靈敏度有較大差異這一特點，研製了以~ 6lif + ~ 7lif為空腔、 ~ 6lif為外壁、 ~ 7lif為內壁的具有雙層室壁結構的均勻固體電離室，並將其用於快中子脈沖堆n 、混合場區分測量，徹底剔除了熱中子的干擾。
  11. Standard test method for measuring fast - neutron reaction rates by radioactivation of copper

    用銅的輻射激活化法測定快中子反應率的標準試驗方法
  12. Standard test method for measuring fast - neutron reaction rates by radioactivation of aluminum

    通過鋁的輻射激活化法測量快中子反應速率的標準試驗方法
  13. Usage : as superconductor, structure materials of fast neutron reactor and additives for special alloy

    用途：用做超導材料、快中子反應堆結構材料和特種合金添加劑。
  14. Neutron fluence measurement - part 4 : fast - neutron fluence determination with niob activation detectors

    中子注量測量.第4部分:用鈮活化探測器測定快中子注量
  15. Neutron fluence measurement - part 5 : fast - neutron fluence determination with copper activation detectors

    中子注量測量.第5部分:用銅活化探測器測定快中子注量
  16. Neutron fluence measurement - part 3 : fast - neutron fluence determination with nickel activation detectors

    中子注量測量.第3部分:用鎳活化探測器測定快中子注量
  17. The new vibrational infrared absorption band at about 485cm - 1 was annealed at about 400. it was difficult to annealing v - o complex in fast neutron irradiated si under 600 for 1h

    同時快中子輻照后硅中產生v - o復合體等缺陷，在低於600 、 1小時的退火也難以消除，表明快中子輻照直拉硅中的氧相關缺陷更加復雜。
  18. The double differential cross section ( ddx ) of neutron emission from 51v at 10. 26 mev neutrons was measured using normal and abnormal fast neutron tof spectrometers on hi - 13 tandem accelerator in china institute of atomic energy ( ciae ). the problem of influence from breakup neutrons of the d ( d, n ) neutron source on secondary neutron spectra was successfully solved

    用中國原子能科學研究院hi - 13串列加速器上的常規和非常規快中子飛行時間譜儀，測量了10 . 26mev中子引起~ （ 51 ） v的次級中子雙微分截面，成功解決了d （ d ， n ）中子源中破裂中子對次級譜的影響。
  19. Moreover, concentrations of interstitial oxygen in samples changed after fast neutron irradiation. the interstitial oxygen concentration of the samples decreased with increasing of irradiation dosage. this result can be explained in terms of higher generation rates of ( v - o ) complex

    另外，快中子輻照對于直拉硅的間隙氧含量有很大影響，間隙氧含量隨著輻照劑量的增加而減少，這主要歸于樣品中產生了大量的（ v - o ）復合體。
  20. In chapter one the development of nuclear fuel and the significance of examining nuclear fuel assembly as well as the development of a measuring system for fast neutron reactors and fuel pins and the significance of controlling a measuring system by computer is recommended

    第一章介紹了核燃料發展現狀和對核燃料器件進行檢測的意義，以及快堆組件套管及燃料棒測量系統的發展現狀和採用計算機控制測量系統的意義。
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