粒子數 的英文怎麼說

中文拼音 [lìzishǔ]
粒子數 英文
population粒子數反轉 inversion of the population ratio; population inversion （粒子數布居反轉）; 粒子數密度 population density; 粒子數守恆方程 particle-conservation equation;粒子數增加 populate
  • 粒 : Ⅰ名 （小圓珠形或小碎塊形物） small particles; grain; granule; pellet Ⅱ量詞（用於粒狀物）
  • 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...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 粒子 : grain; granule
  1. Thermodynamical fluctuation of number density of particles in grand canonical ensemble of perfect systems

    理想體系巨正則系綜中粒子數密度的熱力學漲落
  2. The rotational levels of the ground vibrational level may be depopulated by radiation.

    基態振動能級的各轉動能級的粒子數可能因幅射而減少。
  3. 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。
  4. The particle number increased with surfactant and initiator concentration though the data are insufficient for evaluating the nature of these relationships.

    粒子數隨表面活性劑和引發劑的濃度而增加，雖然數據還不足以評價這些關系的本質。
  5. The necessary population inversion can be achieved in a variety of ways.

    我們可以用各種方法來實現這種必要的粒子數反轉。
  6. Through the input parameters modification, we got the micro process image of latent image formation, which indicate the variation of the number of different particles with time and the transformation relationships between them ; also, we got the dependence of photosensitive process on these parameters. on this condition, all kinds of reactions occurred during the process of a certain carrier are very clear from the analysis of the results

    通過對模擬程序中輸入參數的調整，我們得到了不同勢阱密度下潛影形成過程的微觀圖像，揭示了各種粒子數量隨時間的變化關系以及它們之間的相互轉化關系，同時還得到了每一種粒子在感光過程中的反應過程以及它們對整個感光過程的影響。
  7. The absorption of this radiation in various lines followed by cascade transitions to lower levels might ultimately produce an anomalously high population for the excited levels of these molecules.

    在各譜線處對這種輻射的吸收以及接著向低能級的級聯躍遷最終可能使這些分子的激發能級產生異常高的粒子數。
  8. In this paper, we have studied the transmission of a plane wave through a 1d quasiperiodic or aperiodic chain by numerical method. moreover the heat conduction for these chains is calculated. it is found that the heat flux j ~ n - 1 ( 0. 5 < < 1 ), and depends on the on - site potentials

    本文首先用數值方法，計算了各種頻率的平面波通過以上幾種典型的一維準周期和非周期鏈的透射系數，並據此研究了這幾種一維準周期和非周期鏈的熱通量j與粒子數n之間的關系，得出j n ~ （ a - 1 ） ， 0 . 5 1 ，與系統中在位勢的大小有關，並與其他系統的結果作了比較。
  9. The new phenomena, never previously reported in the references, of the pa66 phase morphology in the pp / pa66 in - situ composites varying with pa66 contents ( cd ) are revealed as follows : the diameter or width of pa66 fibers has dispersity, which becomes smaller first and then larger lately with cd. additionally, the number of pa66 unfibrillized paticles increases with cd

    發現和分析討論了pp仔a66原位復合材料中pa66相形態隨其含量ud ）的變化中出現的未見文獻報導的新現象： pa66纖維直徑或寬度存在分散性，此分散性隨cd先變小后變大，另外pa66未成纖粒子數隨cd而趨增多。
  10. A co2 laser with the optimized resonator is made and to be proved by experiments. this dissertation focus on the following problems : the kinetics process of the cvl and the co2 laser, the rate equations for the laser level population, electron temperature and electron density

    本文的重點是：闡述清楚銅蒸汽激光和二氧化碳激光的動力學過程，定量描述激光能級的粒子數速率方程、電子溫度和電子密度等速率方程
  11. On the basis of this, we selected rms as feedback variable and constructed the controller g : add this controller to the right of ion radial self - edlctric force equation like equation ( 1 ). we simulated the motion of ion beam by using muti - paticle code ( partice - in - cell ( pic ) code ). the results demonstrated that the beam halo of five different initial distribution is eliminated well under the same controller. the halo intensity of k - v distribution, water - bag distribution and parabolic distribution and be reduced to zero. in the case of 3 - sigma distribution and full gauss distribution, the result is agree with minimum limitation ( 10 " ) of halo intensity of factual high intensity accelerator

    在此基礎上，選擇a為控制變量，構造延遲反饋控制器g ： g （ s glrrms （ s ）一rms （ s ） （ 2 ）同（ l ）式一致，將此控制器函數加在粒子徑向所受束自生場力方程的右邊。利用多粒子數值模擬程序（ pic ）進行了控制試驗。模擬結果表明，用同一個控制器和同一個控制參數即可實現五種不同初始分佈情況下的束運一混飩的有效控制。
  12. The incompressibility of the fluid is determined by introduction of a so - called particle density number

    流體的不可壓縮性是通過引人粒子數密度概念實現的。
  13. ( 2 ) the process of dc discharge in o2 / n2 mixtures with the different n2 concentration has been simulated. the dependences of number of collisions with the e / n and the energy of electron are given. it is analyzed stressfully that the process of electron - molecule collision with the e / n and the energy of electron in air at atmospheric pressure

    對于o _ 2 n _ 2混合氣體，模擬了不同配比條件下直流放電過程，得出了發生碰撞的粒子數隨e n 、電子能量的變化；著重分析了空氣中激發、電離、分解及分解電離碰撞的粒子數隨e n的變化，給出了電子漂移速度和平均電子能量隨e n的變化。
  14. Abstract : on the basis of equal probability principle, boltzmann statistics and ensemble statistics, this paper has derived the statistical distribution function on multimember system in the quasi - independent particles and obtained the equivalence between boltzmann statistics and ensemble statistics for multimember system

    文摘:利用平衡態統計物理的等概率原理，玻耳茲曼統計法和系綜統計法，導出在平衡狀態下多種近獨立粒子系統的粒子數分佈.結果表明，對于宏觀系統而言，玻耳茲曼統計和系綜統計是等價的
  15. The number of cascade particles changes according to the incident cosmic ray energy, observation height, etc

    到達地面的簇射粒子數目會隨不同因素而改變，包括原初宇宙射線的能量、觀測高度等。
  16. In high energy neutrino - emulsion collisions, the normalized distribution of two - particle relative pseudorapidity and the correlation between the mean maximum number density of shower particles and multiplicity are investigated

    摘要論述了高能中微子與核乳膠碰撞中，歸一化的兩粒子相對鷹快度分佈，和平均最大簇射粒子數密度與多重數的關聯。
  17. The most common method to "pump" a gas laser--that is, to invert the population in the states that give rise to light amplification--is to use a gas discharge.

    「發射」氣體激光（也就是反轉能產生光放大的那些狀態的粒子數）的最普通方法是運用氣體放電。
  18. Distributions of particles in a solitary thermodynamic system

    孤立熱力學系統的粒子數分佈
  19. Mean leading particle number and mass effects

    平均領頭粒子數與質量效應
  20. Determination of impurities particles number in polyvinyl chloride paste resins

    聚氯乙烯糊樹脂中雜質粒子數測定方法
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