非彈性中子 的英文怎麼說
中文拼音 [fēidànxìngzhōngzi]
非彈性中子
英文
inelastic neutron- 非 : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
- 彈 : 彈名詞1. (彈子; 小球形的東西) ball; pellet 2. (內裝爆炸物, 具有破壞和殺傷能力的東西) bullet; bomb
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 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...
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Elastic collisions deplete very little of the electron's energy.
彈性碰撞中電子減少的能量非常少。Elastic collision and inelastic collision are considered in oxygen molecule, nitrogen molecule by electron impart. the mail simulation results were as follow : ( 1 ) the variations of drift velocity and the average energy of electron with the e / n in o2 and n2 are obtained. the number of electrons for excitation, ionization, dissociation and dissociative ionization collision with the e / n and the energy of electron are analyzed emphatically
考慮了各種彈性和非彈性碰撞過程,在純氧氣、純氮氣中,給出了不同簡化場e n條件下的電子漂移速度和平均電子能量的變化;著重分析了激發、電離、分解及分解電離碰撞的粒子數隨e n 、電子能量的變化,同時計算了激發發射光譜的波長。Inelastic collisions among photoelectrons rapidly distribute their initially gained energy throughout the region of ionized gas.
光電子之間的非彈性碰撞使它們原來獲得的能量在整個電離氣體中迅速分配。While wanting to recombine, unbound electrons also lose some of their kinetic energy through inelastic collisions with other charged particles.
自由電子在復合之前,會與其它帶電粒子發生非彈性碰撞而損失其中一部分動能。By deep inelastic scattering of leptons on nucleus and nuclear drell - yan processes one can learn the parton densities in nucleus
通過輕子與原子核的深度非彈性散射、核drell - yan過程,可以了解原子核中的夸克?部分子分佈的信息。The main results and academic contributions of the dissertation can be summarized as following : 1 ) for the difficulty to obtain the accurate analytical solution of the stress constraints around 3d cracks, detailed 3d fe analyses have been conducted to study the out - of - plane constraint factor tz around a straight through - thickness crack, a quarter - elliptical corner crack and a semi - elliptical crack embedded in an isotropic elastic plate subjected to uniform remote tension loading. the distributions of tz are minutely studied in the forward section of the cracks. strong 3d zones ( tz > 0 ) along the crack front were investigated despite the far field stress - free boundary conditions
全文主要研究內容和學術貢獻如下: 1 .針對一般三維裂紋端部場應力約束準確解析的困難,對均勻拉伸載荷作用下各向同性彈性板中穿透厚度中心直裂紋、半橢圓表面裂紋和1 / 4橢圓角裂紋進行了大量詳細的全場應力三維有限元分析,首次全面分析了非穿透裂紋端部場三維影響區范圍,給出了不同形狀三維裂紋前沿離面應力約束因子tz的數值解,並結合k場平面解給出了非穿透裂紋端部應力場k - tz雙參數描述。The leakage gamma ray of iron spheres is measured by high pure germanium ( hpge ) detector. comparing with the bc - 501a scintillator detector, four characteristic gamma rays : 846. 77, 1238. 282, 1771. 351 and 2212. 933kev caused by inelastically scattered neutrons are coincident with the bc - 501 a scintillator detector. it shows that the measurements by bc - 501 a scintillator detector are accurate and credible
利用高純鍺探測器測量泄漏能譜,並與bc - 501a測量的結果進行了對比,幾個典型的中子非彈性散射所產生的特徵射線峰846 . 77kev , 1238 . 282kev , 1771 . 351kev和2212 . 933kev ,對應的較一致,由此確定bc - 501a探測器測量結果是準確、可靠的。Scattering sections reflect some characters of interaction potential in collision systems ; therefore one can get information about interaction from the theoretical and experimental research of collision between atoms and molecules. it is especially noted that non - elastic scattering sections and single rotational - excitation sections give abundant information about orientation and repulsive potential of interaction between atom and molecules, which meant an important way as to fully investigating the interaction between atoms and molecules
散射截面反映了碰撞體系相互作用勢的基本特性,從原子分子碰撞的理論及實驗中能夠獲得有關相互作用的信息;非彈性散射截面和單個轉動激發截面提供了有關原子與分子相互作用方向性和排斥勢的豐富信息,是全面探索原子與分子相互作用的重要途徑之一。But if we want to make it work normaly and make it work with electronic development to distinguish the neutron ' s inelastic scattering y spectra with the capture spectra, then we can get the element ' s inelastic scattering y spectra, we must research again the controlled circuit of the pulse neutron generator
而要使脈沖中子發生器正常工作並且能於我們自己研製的電控門配合,將中子與物質中所含元素的原子核相互作用的非彈性散射反應和俘獲反應區分丌來,從而得到能夠較好的表徵該元素的非彈性散射譜。Bamboo skateboards be provid by wayout sporting goods co., ltd, one of 7 ply be made by bamboo to improve the flexibility of the deck
竹子滑板並非完全由竹子製作,只是7層中有一層為竹子材料(頂層或底層) ,在加大板片的彈性的同時又不至於使板片過重。When the stress at the tip of crack is inflicted on the m - type ferrite particle dispersed in matrix as a second particle, not only the toughness of composites will be pro ved because of the non - elastic area produced by the particle but also the strength change of magnetic field and the stress distribution in the structural ceramics will be detected by the strength of spontaneous magnetization varying while magnetic materials being pressed or drawn
這是因為當結構陶瓷中裂紋尖端的應力作用在彌散於基體內的鐵磁體二相粒子上時,鐵磁粒子不僅在裂紋尖端周圍產生的非彈性區域使復合材料的韌性提高;而且還能利用鐵磁材料在外應力作用下自發磁化強度發生變化的性質,通過測量復合材料在應力作用下磁場強度的變化,探測出結構陶瓷中的應力分佈情況。Soil springs are used around the pipe including vertical, lateral and axial soil springs to consider the interaction between the pipeline and the surrounding soil. the pipe segment near fault that usually suffers large deformation is modeled with a plastic shell element in order to consider the effect of local buckling and section deformation. to reduce the calculating time of the whole model, an equivalent spring proposed by the author is applied at two ends of the shell model
為了解決現有的殼單元方法需要大量計算機時的缺點,本論文首次從理論上把離斷層較遠管土之間相對變形較小的管子直線段部分的變形等效為一個非線性彈簧,將此等效邊界引入到有限元模型中,使得模型中的殼單元部分主要用來分析我們所感興趣的在斷層附近發生大變形的管段,從而達到節約計算時間的目的。The main reason is that the short - range potential is ignored. 2. we presented the theoretical model of collisional quantum interference on rotational energy transfer in atom - diatom system, using the theories of time dependent born approximation and quantum inelastic scattering, and taking into account not only the long - range interaction potentials, but also short - range interaction potential
2 .應用含時微擾理論和量子非彈性散射理論,考慮一級含時波恩近似,長程相互作用勢,短程相互作用勢和直線軌跡近似,完善了原子一雙原子分子體系分子轉動能量傳遞中的量子干涉模型。In the positive - issue research of bird impact, the thesis carefully explores the basic theories, finite element numerical method and key techniques of the solution process in ls - dyna3d software system for contact - impact issue of viscoelastic bodies at large deformation. the well - chosen cases examine the accuracy of solutions in ls - dyna3d for large deformation impact issues. under the proof work, the incremental constitutive equation of bilinear and nonlinear viscoelastic materials are derived, coded and verified in ls - dyna3d
在鳥撞正問題的研究中,本文詳細推導了大變形粘彈性接觸-碰撞有限元分析的基本理論、數值計算方法、求解過程、關鍵技術以及上述內容在ls - dyna3d中的具體應用,算例考察了ls - dyna3d在求解碰撞以及大變形問題上的計算精度,同時推導了線彈性材料、雙線性彈塑性材料以及非線性粘彈性材料增量法迭代方程,編制了相應的用戶自定義材料子程序,並進行了子程序驗證。Using it, time amplitude converter and pulse neutron generator, the y spectra of 14mev pulse neutrons is measured. utilizing the time difference of several different reactions about the interaction of neutrons and nucleus, the whole spectra and the capture spectra are measured. a method that uses double gate subtracting background to gain the fast neutrons " inelastic scattering y spectra is introduced
研製了一種線性門電路,介紹了它與脈沖中子發生器、多道脈沖幅度分析器配合,進行14mev脈沖中子譜的測量,利用中子和原子核相互作用的幾種反應在時間上的差異,測量了總譜和俘獲譜,採用雙門減本底方法得到了快中子非彈性散射譜。The propagation of soliton and interaction for the periodic distributed amplification line are discussed in detail, and the explicit soliton solution on continuous wave ( cw ) background is presented, and two exact analytic solutions that describe the modulation instability and the soliton propagation on a cw background are in detail discussed, and inelastic interaction for the vector solitons is also investigated
具體研究如下三個方面的內容:周期分佈放大系統中孤子的傳輸特性和相互作用;在非零邊界條件下孤子解的存在形式並解釋非均勻光纖中光脈沖的調制不穩定性以及孤子在連續波背景中的傳輸特性;討論多個光場同時在光纖中傳輸的耦合非均勻非線性薛定諤方程並詳細研究孤子間的非彈性相互作用。And by deep inelastic scattering of polarized leptons on nucleus and polarized nuclear drell - yan process one can understand polarized parton densities in nucleus more deeply
通過極化的輕子與原子核的深度非彈性散射、極化的核drell - yan過程,可以更深入地了解原子核中的極化夸克?部分子分佈的信息。In the foreign country, neutron induced prompt gamma - ray analysis ? ipga was used to analyze the elements in substance and has been used in real production and industry " s analysis on line now. in our country, the method has been studied and used from 70 " s and has been more and more perfect. however, the neutron source they used is the isotope source
在國外,早已開始採用中子感生瞬發射線分析法( nipga )對物質進行元素分析,如今這種方法已經應用於實際生產和工業在線分析,國內在八十年代也開始研究、應用這種方法,如今已日趨完善,然而,他們使用的中子源絕大多數仍然是同位素中子源,做為一種可行性實驗方法研究,我們採用脈沖中子發生器做為中子源,自行研製的線性門電路和多道脈沖幅度分析器相配合,獲取非彈性散射和俘獲譜,對物質進行元素分析。Kondo interactions in the ceos4sb12 skutterudite studied by inelastic neutron scattering
12近藤相互作用的非彈性中子散射研究Impact oscillator is an important model of nonsmooth dynamical system. in this article, we study the dynamics of elastic imapact oscillators. we will consider the asymptotically linear oscillator and study it in two parts : the existence of periodic bouncing solutions ; the lagrange stability of impact motion
碰撞振子是非光滑動力系統中一類重要模型,本文討論彈性碰撞振子的動態行為,主要考慮漸近線性振子的碰撞解,文章分兩部分:周期碰撞解的存在性;碰撞運動的lagrange穩定性。分享友人