碰撞參數 的英文怎麼說

中文拼音 [pèngzhuàngshēnshǔ]
碰撞參數 英文
collision parameter
  • : 動詞1 (一物體突然接觸另一物體; 撞擊) touch; bump 2 (碰見; 遇到) meet; run into 3 (試探 ) tr...
  • : 動詞1 (猛然碰上) collide; strike; knock; bump against; run into 2 (碰見) bump into; run into;...
  • : 參構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • 碰撞 : 1 (猛然碰上) collide; run into; knock against; run foul of; crash 2 [物理學] collision; impact;...
  1. The value of w2 as a function of transverse momentum pt and collision centrality is presented for both particles up to ~ 3. 0 gev / c

    我們稱碰撞參數b 0的為對心。這類具有初始的方位角對稱性。
  2. Safe zones, which could be set through programmed codes or internal parameter ; created an electronic crash barrier to prevent tool collision

    保險區,即可設置程序密碼或內在的區域,構成了電子防護欄,以防止部件的相互
  3. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對高分子絮凝黃河泥沙,對絮凝過程作了一些符合試驗條件的假設,建立了顆粒頻率表達式,應用了顆粒量平衡方程,從而建立了絮凝過程的動力學生長模型,模型計算結果與試驗據對比表明,二者趨勢一致,在沒有使用經驗的情況下基本上能夠描述黃河泥沙絮凝過程中絮體量和尺寸分佈的變化過程;對絮體結構的研究中,應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體,建立了絮體結構模型,計算得到的模型絮體分形維基本與試驗中的實際絮體相符,在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。
  4. By means of dynamic simulation of multi - body and finite element methods, the influence of the footwell design parameters to lower extremity injuries of the driver in passenger car frontal impacts was studied

    運用多剛體與有限元結合的動力學模擬方法,本文研究了轎車腳艙設計對駕駛員在前中下肢損傷的影響。
  5. The parameter a, is studied in many experiments of hadron - hadron collisions and heavy ion collisions after it was introduced

    非熱相變的概念提出后,很多強子?強子實驗和重離子實驗都對特徵_ q進行了研究。
  6. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了量子干涉效應( cqi ) ,並且測得積分干涉角,為了獲得更加精確的分子內部轉動傳能的量子干涉效應信息,實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢,應用含時微擾理論的一級波恩近似,假想在分子束實驗的條件下,建立在原子-雙原子分子體系中量子干涉的理論模型.理論上推導出微分干涉角具體表達式,通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢,同時初步探討了實驗的正確觀測途徑,得出了採用分子束進行實驗觀測的實驗方法,為進一步進行分子束實驗提供了理論基礎,對實驗的進行起到了一定的借鑒作用
  7. I think that the filth dropout from surface of filter comes from synthetical action of the particles collide and current sheer ad put forward the most efficient outwash style and outwash coefficient in produce technology and it can use as technology f reference in practical application

    認為污物由濾料表面脫落是顆粒和水流剪切兩者綜合作用的結果。並提出了針對生產工藝最有效的沖洗方式和沖洗,可作為實際運行工藝考。
  8. Through the frontal impact test of full size minibus and computer simulation analysis, a parameterized model is set up for the design of body structure crashworthiness in frontal impact during concept design phase, with the modeling techniques well expounded

    摘要選取某微型客車為研究對象,通過實車正面試驗和計算機模擬分析,建立了用於概念設計階段的面向微型客車車身結構正面抗性設計的化模型,闡述了建立模型的建模技術。
  9. The optical - limit glauber theory has been of great success in describing the stable nucleus scattering at high energies. as it is extended to the nucleus scattering at low and intermediate energies, the modification of the coulomb field to the effective impact parameter and the diffuseness of the nucleon - nucleon ( n - n ) scattering in the forward direction has to be taken into account

    其中光學極限近似的glauber模型能很好地描述高能小角度的穩定核散射,進一步推廣應用於研究中低能穩定核散射時,需要考慮庫侖相互作用對有效碰撞參數的修正和核子?核子兩體散射在朝前方向的彌散。
  10. Here is a short description about transcritical bifurcation : the transcritical bifurcation only happens when the system has an equilibrium that exists for all values of the parameter and can never be destroyed. when this equilibrium collides with another equilibrium, the two equilibria exchange their stability property, but continue to exist both before and after the bifurcation

    跨臨界分支描述性定義如下:跨臨界分支只可能發生於對任意都有奇點的含動力系統;當兩個穩定性不同的奇點相互時,兩個奇點的穩定性發生互換。
  11. With the flowchart the program can be divided into six parts and it includes initial flow field, computation of molecular motion, boundary treatment, re - sort of molecular, sample and computation of molecular collision. several cases have been simulated to certify the correctness of the program. dsmc method is improved using method of characteristics to modify the boundary condition and gets the goal as expected

    首先,編程實現了基本dsmc方法對二維流動的計算,給出了所用演算法的原理、相關模型,並結合程序結構流程圖,分別介紹了初始化流場、計算分子的運動、邊界的處理、分子的排序、抽樣計算分子的、流場采樣統計各個功能模塊在fsmm2d中的實現,並對該程序進行了算例校驗。
  12. In the second part of the thesis, the non - thermal phase transition in high energy collisions is studied in detail in the framework of random cascade model. the relation between the characteristic parameter xq of phase transition and the rank q of moment is obtained using monte carlo simulation, and the existence of two phases in self - similar cascading multiparticle systems is shown. the relation between the critical point qc of phase transition on the fluctuation parameter q is obtained and compared with the experimental results from na22

    文章第二部分中,我們用隨機級聯模型對高能中的非熱相變作了仔細研究,用montecarlo模擬得到了表徵相變的特徵_ q與矩階q之間的關系,證實了自相似多粒子系統中存在兩相,求出了相變點q = q _ c對起伏的依賴關系,並和na22實驗結果進行了比較。
  13. It is indicated that the radius parameter is insensitive to the spatial shape of the edge zone of source and is mainly affected by the size of the central zone of pions emitted in high energy heavy - ion collisions

    結果表明,半徑主要取決于高能重離子中多介子產生的中間區域;對產生介子的邊緣區域的空間分佈形狀不敏感。
  14. 4. achieved the high - speed colliding experiment of landslide for the first time, the paper studies the volume distributing ruler of different velocity segment after collide, fits the experiment data via extreme function, obtains the value range of the shape parameter, thereby gets the distributing function of all part of landslide after collide. on the base of above, the paper studies the accelerating effect of partial rock - mass because of colliding, and acquires the relation between accelerating volume and overall volume, and colliding velocity

    ( 4 )首次進行了滑坡巖體的高速模型實驗,研究了解體后不同速度段巖體體積的分佈規律,並應用峰值extreme函對實驗結果進行了據擬合,確定出了各形狀的取值范圍,從而得到了滑坡巖體高速后不同塊體的分佈函,並在此基礎上研究了滑坡巖體後部分巖體的加速運西南交通大學博士研究生學位論文第2頁動效應,得出了獲得加速的巖體比例與滑坡總體積及速度的關系。
  15. Due to the repulsive coulomb field, the effective impact parameter increases, and therefore the calculated reaction cross section decreases

    庫侖場的排斥效應使得核?核反應有效的碰撞參數增大,使計算的反應截面減小,同時這種修正的效應隨能量增大而減小。
  16. The optimum design of the beat back - impact crusher is proposed, which aims at the highest efficiency of the machine work. the optimum designed mathematics model of the main structural dimension of the crusher ( m, xc, s, w 2 > ir ) is built with restraining conditions such as force condition, energy condition, hammer steady condition, no moving interference, strength of spin axle and bearing condition, upper limit and lower limit of the design variant condition etc. finally, an example is give to illustrate the efficiently of the method proposed

    在綜合考慮影響破碎機效率的各因素的情況下,提出了滿足以力,能量,錘頭穩定性,幾何條件,不發生運動干涉,轉子軸和滾動軸承的強度等約束條件,建立了包含破碎機關鍵(錘頭質量m ,軸心o到銷軸錘頭接觸距離r ' ,四川大學碩士學位論文錘頭質心到銷軸與錘頭接觸點的距離拙,錘頭與巖石到銷軸與錘頭接觸點的距離s ,轉子的速度。
  17. In order to make the theoretical calculation feasible, we first obtain an analytical formalism of partial integrals with respect to the coordinates of the core and target in the phase - shift functions and their cross terms of scattering matrix elements, if the density distributions of the core and target are fitted to a few gaussian forms. then the rest multidimensional integrals with respect to the impact parameter and coordinates of halo nucleons are performed by a monte carlo method

    為使理論計算變得可行,我們在核芯和靶核密度採用多個高斯分佈擬合的情況下,解析求解了各個散射矩陣元中的光學相移函及交叉項含有的與暈核核芯、靶核密度分佈有關的積分;同時對與碰撞參數和暈核子坐標有關的積分(八重以上,並且積分維隨暈核子很快增加)採用蒙特卡洛方法計算。
  18. The physics implication of the pt integrated v % magnitude as a function of particle mass is also discussed. erraticity analysis provide new opportunity in measuring event by event fluctuations in high energy nuclear collisions

    對于這類事件,我們應相對於它們初始的方位角不對稱的方向來研究它們,而這一方向由它們各自碰撞參數的取向和大小完全決定。
  19. It is shown using the monte carlo event sample that impact parameter has approximately linear dependence on multiplicity. both of them can be used as characteristic quantity for centrality

    對產生的事件樣本進行分析表明:碰撞參數與事件的多重有近似線性依賴關系,兩者都可用來表徵的對心度。
  20. The setting up of parameterized model for frontal impact of minibus body structure

    微型客車車身結構正面碰撞參數化模型的建立
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