neutron spectrum 中文意思是什麼

neutron spectrum 解釋
中子能譜
  • neutron : n. 【物理學】中子。n. -ics 中子(物理)學。
  • spectrum : n. (pl. -tra )1. 【物理學】譜,光譜;波譜;能譜,質譜。2. 【無線電】射頻頻譜;無線電(信號)頻譜。3. 【心理學】(眼睛的)余像;殘像。4. 〈轉義〉范圍,幅度;(連續的)系列。
  1. There appeared to be no gross distortions of the neutron spectrum expect at energies below 2 mev.

    除了2兆電子伏以下的能量外,中子譜似乎不存在顯著的畸變。
  2. Abstract : according to the observation of the number concentration spectrum and the mass concentration of atmospheric aerosol, tsp and its particle size distribution, micrometeorology, and the solar spectroscopic radiation, even the neutron activation treatment of sand dust samples in helan mountainous area, the formation law of sandstrom, dust and sand blowing weather and the characteristics of climatic variation in this area and the influence of helan mountain are counted and analysed

    文摘:利用賀蘭山地區沙塵暴歷史資料和綜合觀測資料,對大氣背景、浮塵、揚沙和沙塵暴發生期間的大氣氣溶膠數濃度譜、質量譜、大氣總懸浮顆粒( tsp )及粒徑分佈、微氣象、分光日射觀測以及沙塵樣品進行中子活化處理,分析了該地區浮塵、揚沙和沙塵暴形成規律,氣候變化特徵和賀蘭山的影響。
  3. According to the observation of the number concentration spectrum and the mass concentration of atmospheric aerosol, tsp and its particle size distribution, micrometeorology, and the solar spectroscopic radiation, even the neutron activation treatment of sand dust samples in helan mountainous area, the formation law of sandstrom, dust and sand blowing weather and the characteristics of climatic variation in this area and the influence of helan mountain are counted and analysed

    利用賀蘭山地區沙塵暴歷史資料和綜合觀測資料,對大氣背景、浮塵、揚沙和沙塵暴發生期間的大氣氣溶膠數濃度譜、質量譜、大氣總懸浮顆粒( tsp )及粒徑分佈、微氣象、分光日射觀測以及沙塵樣品進行中子活化處理,分析了該地區浮塵、揚沙和沙塵暴形成規律,氣候變化特徵和賀蘭山的影響。
  4. The performance of the cngs, including transmission efficiency, neutron flux, flux spectrum, divergency, uniform and gravity effect, have been analysed technically. that the scheme of supermirror guide is optimum has been given and adopted

    在此基礎上,分別從傳輸效率、中子注量率、譜形、發散度、均勻性和重力影響方面,對導管性能進行了技術分析,提出了超鏡導管是建設的最佳方案,並被工程設計采納。
  5. 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。
  6. When the energy distribution of secondary neutron are represented by evaporation spectrum ( lf = 9 ), care must be taken in describing the nuclear temperature near the threshold

    通過分析發現,評價次級中子能譜數據所採用的蒸發譜模型大都忽略了能級密度參數與激發能之間的關聯。
  7. To investigate the space / time distributions and occurrence and evolution of such events, the diffusion pattern over deserts, turbulent transfer features in sandstorm weather, the particle size distribution, mass concentration and its distribution, optic properties, chemical composition and physical factors responsible for the initiation of raising sands, we made integrative observation and sounding of sandstorms deep in the large - scale desert area, including tengri, badanjilin and maowusu, with the items consisting of micrometeorological measurement, 3d wind observation, data from kb - 120 and anderson samplers of mass concentrations of sands with their spectrum, the distribution of aerodynamic particle sizes from the aps3310a, retrieval of aerosols " optic depth from sunphotometer data, assay of the chemical composition by means of neutron activiation analysis ( naa ) and integrated study of all related factors for causing sandstorm to occur, based on the observations of all kinds

    利用所取資料,系統分析了不同強度沙塵天氣條件下沙塵氣溶膠質量濃度和質量濃度譜、粒子譜分佈、光學厚度、化學組分等特徵;綜合分析了影響沙塵起動的諸物理因子在沙塵起動中的作用;用沙塵輸送模式對一次沙塵暴天氣造成的泥雨過程的形成機制進行了模擬。歷史氣象資料統計分析表明,沙塵暴有其高發期( 4 、 5月)和高發時段( 14 - 20時) , 14時到20時之間發生的沙塵暴約占沙塵暴總次數的66 。揚沙和沙塵暴天氣條件下,湍流動量通量和湍流感熱通量都是重要的湍流交換,沙塵暴發生前近地層的超絕熱不穩定對沙塵暴天氣有加強作用。
  8. All cross sections of neutron induced reaction, elastic scattering angular distribution, neutron energy spectrum and double differential cross sections were calculated by using optical model and the semi - classical model of multi - step nuclear reaction processes based on the hauser - feshbach and exciton model in the energy region up to 20mev

    應用光學模型和以復合核平衡態理論( hauser ? feshbach理論)及激子模型為基礎的核反應多步過程的半經典理論,計算了當中子入射能量低於20mev時n + ~ ( 112120 ) sn反應的所有中子入射截面、彈性散射角分佈、出射中子能譜以及出射中子雙微分截面。
  9. The a particle spectrum is monitored with the associated particle method is analyzed. the factors to effect the neutron fluence rate are theoretically analyzed and calculated

    對伴隨粒子法監測的粒子譜進行了分析,對各種可能出現的譜進行了討論,對影響中子注量的一些干擾因素進行了理論分析和計算。
  10. In addition, the study shows that the cmes " traveling direction is also an important factor, which influence the intensity of the geomagnetic storms. we also analyzed gcrs data from beijing super - neutron - monitor ( snm ) by using fft and power spectrum method

    我們對cme運動方向與磁暴強弱的關系進行了初步的研究,研究表明,同樣條件下,正對磁層頂的cme形成的磁暴更強,即cme的運動方向是影響磁暴強弱的一個重要因素。
  11. Iia standard guide for application of neutron spectrum adjustment methods in reactor surveillance, e706

    反應堆監測時中子光譜調節法的應用的標準指南, e 706
  12. Standard test method for use of 2n2222a silicon bipolar transistors as neutron spectrum sensors and displacement damage monitors

    作為中子光譜傳感器和位移損壞監測器的2n2222a硅雙極晶體管的使用的標準試驗方法
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