極矩 的英文怎麼說

中文拼音 [jíjǔ]
極矩 英文
polar moment
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 矩 : 名詞1. （畫直角或正方形、矩形用的曲尺） carpenter's square; square2. （法度; 規則） rules; regulations 3. [物理學] moment
  1. Any heteronuclear diatomic molecule must have a dipole moment since its two ends are different.

    任何異核雙原子分子必然具有偶極矩，因為它的兩端是不同的。
  2. The molecule has a zero time-average dipole moment.

    分子按時間平均的偶極矩為零。
  3. The nitroalkanes have high dipole moments in the range of 3. 5-4. od.

    硝基烷在35-4OD范圍內具有較大的偶極矩。
  4. Infra-red absorption takes place only when there is a change of dipole moment.

    紅外吸收峰僅在有偶極矩變化時才能實現。
  5. We now show how to calculate molecular dipole moments from wave function.

    我們現在說明如何從波函數來計算分子的偶極矩。
  6. Dipole moment in quantum chemistry calculation

    量子化學計算中的電偶極矩
  7. Apparent dipole moment

    表觀偶極矩
  8. Finally we focus our attention on studying the emission spectrum of two atoms driven by a single - mode field in an ideal cavity. we showed that the atomic emission spectrum is insensitive to the phase of field for the two atoms initially in the coherent superposition state tf / = v2 / 2 ( j +, - ) h ? + } ), when the two atoms is initially prepared in ( fs * } = cos ( 0 / 2 ] +, + ) + sm ( 0 / 2 ) ei ' p -, - ), the atomic emission spectrum is associated with not only the field photon - number distribution and the atomic populations, but also the phases of the field and the atomic dipole

    接著考察了好腔中由單模量子場驅動的雙原子發射譜，結果表明初態為的雙原子發射譜與驅動場的相位無關；而初態為的雙原子發射譜不僅與光場的光子數分佈以及原子的布居數有關，而且依賴于光場的相位以及原子偶極矩的相位，並且在適當的條件下，壓縮真空場可將雙原子俘獲在相干疊加態。
  9. The " allowed " electric dipole ( el ) transitions will encounter strong competition from " forbidden " transitions, i. e. magnetic dipole ( ml ), electric quadruple ( e2 ) and other higher order transitions, the transitions rates for the forbidden decay scale with higher powers of z than those of el transitions, the effects of quantum electrodynamics ( qed ) also scale with higher power of z. accelerator - based beam - foil spectroscopy ( bfs ) is an important method for spectroscopic studies of highly ionized atoms

    在高離化態原子中，磁相互作用明顯增強， 「允許的」電偶極（ e1 ）躍遷將遭到來自磁偶極（ m1 ） 、電四極矩（ e2 ）和其它高次的「禁戒」躍遷的強烈競爭，禁戒躍遷幾率隨核電荷數z增加而迅速增加，此外量子電動力學效應也隨著z增加而增強。
  10. In the volume change study, we found appropriate temperature is helpful for shrinkage control, and different lpas have different shrinkage control effects due to their dipole moment, tg, miscibility with upr and morphology after blending. there existed an optimal concentration range of poly ( vinyl acetate ) based lpas for shrinkage control. lpa was effective for shrinkage compensation in this range, on the other hand, lpa only acted as filler and the low profile effect vanished out of this range, however, for polystyrene based lpa, the more concentration the better shrinkage control

    在膨脹研究中，發現適當的溫度條件更有利於upr達到好的收縮控制效果；不同類型的lpa隨著偶極矩、玻璃化溫度、與upr的相容性、與upr的混合形態的不同，表現出不同的收縮控制效果；聚醋酸乙烯酯類的lpa - a存在一個最佳收縮控制的濃度范圍，在這個范圍之內， lpa起到補償收縮的作用；而在這個范圍之外， lpa的作用僅相當于填料，不能起到收縮控制。
  11. If a non-polar molecule is subjected to an electric field, the electrons and nuclei are displaced and a diplo moment is generated.

    如果一個無極分子被置於電場作用之下，則電子和核發生位移，從而產生一偶極矩。
  12. Application of nuclear quadrupole resonance technique in mine detection

    核四極矩共振炸藥探測技術在探雷中的應用
  13. Dipole moments of inorganic compounds

    無機化合物的偶極矩
  14. In the second chapter, the nonlinear optical properties are described from both macroscopic and microscopic views, at the same time, giving the definitions of the linear and nonlinear polarizabilities. then, the explicit expressions of the linear and nonlinear polarizabilities are obtained by using quantum mechanical perturbation theory and density matrix formalism, respectively

    第二章非線性光學性質，首先分別從宏觀和微觀兩個角度討論了極化強度和電偶極矩與外加光電場強度之間的關系，同時給出了線性極化率和非線性超極化率的定義，然後分別運用含時微擾理論和密度矩陣理論求解了分子體系的線性極化率和非線性超極化率。
  15. Electric dipole moment

    電偶極矩
  16. The effects of the energy, the angular momentum of particles and the mass quadrupole moment on the orbits of particles are discussed

    討論了粒子的能量、角動量和質量四極矩對于粒子軌道的影響。
  17. By means of the effective potentials and with the phase - plane method, the properities of the orbits of particles in the gravitational field with mass quadrupole moment are studied

    摘要通過等效勢能圖，並利用相平面分析的方法，研究了質量四極矩引力場中粒子軌道的性質。
  18. Van der waals ( vdw ) complexes are weak bonding complexes formed by atoms or molecules through interaction of electric multipole moments and dispersion forces. these complexes are characterized by their comparatively low binding energy ( 100 - 1000cm - 1 )

    范德瓦爾斯（ vdw ）復合物是原子或分子間通過多極矩和色散相互作用形成的弱鍵能復合物，它們的鍵能比較弱，一般為100 1000cm ~ （ - 1 ） 。
  19. Obvious deviation from experimental observations is caused since many - body and multipolar effects are neglected in this approximation. we proposed a dipole - induced - dipole ( did ) model based on a multiple image method to deal with multipolar interaction in er fluids

    本文中，我們採用多重鏡象法近似處理顆粒間的多極矩相互作用，建立了研究er流體基態問題的did模型，並將它應用於顆粒具有一定分佈的多分佈er流體。
  20. Therefore it is considered that the spontaneous emission of atom is caused by the fluctuation of dipole moment, not by the dipole moment oscillation of the atomic system

    原子偶極矩的期待值總是零，但偶極矩的起伏恆等於一個不為零的常數，因此，原子的自發輻射是由偶極矩的漲落引起的，並非原子偶極矩振蕩造成的結果。
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