躍遷的 的英文怎麼說

中文拼音 [yuèqiānde]
躍遷的 英文
transitional
  • : 動詞(跳) leap; jump
  • : Ⅰ動詞1. (遷移) move 2. (轉變) change 3. (古時指調動官職) be appointed to a certain post Ⅱ名詞(姓氏) a surname
  • : 4次方是 The fourth power of 2 is direction
  1. In chapter two, the basic principles of rempi technique are introduced including the resonance enhanced effect, the selection rule, the mechanism of photoionization and photodissociation, rempi rate equation and the property of rydberg state

    第二章介紹了rempi技術基本原理,包括多光子共振躍遷的選擇定則、電子態光解離機理、描述rempi過程速率方程和分子rydberg態性質。
  2. In part two of this paper, many - body perturbation theory has been used to calculate the resonance structure ( 3p - 3d ) into the photoionization ( 4s - kp ) for ion ca +

    在本文第二部分,運用多體微擾理論,我們計算了ca ~ +離子在4s kp光電離過程中, 3p 3d躍遷的共振結構。
  3. The activation effect of zn2 + modification, including enhancement of emission intensity, slowing of luminescence decay and increasing of quantum yields, results from the formation of zns shell outside the nanoparticles, which is passivating the surface of nanoparticles, eliminating the surface quenching centers, so as to block the nonradiative transition pathways through these kind of quenching centers

    Zn ~ ( 2 + )表面修飾在納米顆粒表面形成了zns殼層,鈍化了納米顆粒表面,消除了表面猝滅中心,阻塞了通過表面猝滅中心進行無輻射躍遷的通道,從而使得發光強度增加,衰減變慢,量子效率提高。
  4. The indirect optical gaps of ce02 - tioa complex films induce the absorption edges wavelengths red shift so that the films have excellent properties of ultraviolet absorbing

    由於混合薄膜間接躍遷的能隙較小,導致了吸收邊向紅外區移,使薄膜有很好紫外線吸收功能。
  5. By using the multi - configuration dirac - fock ( mcdf ) method, the effects of relaxation and correlation on the transition energies and probabilities of electric - dipole allowed ( el ) resonance and intercombination transitions for 2p53s3 - 2p6 in neutral neon have been systematically studied firstly. and the results of the transition energies and probabilities ( lifetimes ) in length and velocity gauge have been presented. during the calculation, in order to consider the rearrangement effects of the bound - state density and some important correlations, the asfs of transition initial - and final - states were divided according to their angular - momentum and parity and calculated, and different number of csfs were included in the expansion of asfs

    本文利用多組態dirac - fork ( mcdf )理論方法,通過對輻射初、末態電子波函數獨立計算以及在原子態波函數展開中考慮不同數量組態波函數,系統地研究了弛豫和相關效應對中性ne原子2p ~ 53s ~ ( 1 . 3 ) p _ 1 ~ o - 2p ~ 6 ~ 1s _ 0電偶極共振和復合躍遷的能量以及幾率影響,給出了長度和速度兩種不同規范下激發態能量和輻射壽命;以中性ne原子研究為基礎,進一步研究了類ne等電子系列離子( z = 11 - 18 )較低激發組態2p ~ 53s和基組態2p ~ 6能級結構以及各能級間輻射特性。
  6. 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」電偶極( e1 )將遭到來自磁偶極( m1 ) 、電四極矩( e2 )和其它高次「禁戒」躍遷的強烈競爭,禁戒幾率隨核電荷數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。
  7. Abstract : we have studied theoretically a beat effect in a four - level system due to fifth - order optical polarization, and considered the cases that the pump beams have either narrowband or broadband linewidth. we have found that the accuracy for the energy - level splitting measurement is determined by the homogeneous linewidths of the optical transitions. that is to say, this technique can achieve doppler - free precision in the measurement of the energy level splitting between two excited states which are dipolar forbidden from the ground state

    文摘:研究了四能級系統中基於五階極化拍頻效應,考慮了抽運光束為窄帶線寬或寬帶線寬情形.發現其對能級分裂測量精度決定於光學躍遷的均勻增寬.也就是說,這種技術在測量與基態是偶極禁戒躍遷的兩激發態之間能級分裂時,可得到消除多普勒增寬精度
  8. A typical model is the atomic barium in which the state 6s 1s0 corresponds to the ground state and the states 6s6p 1p1 and 6s6p 3p1 correspond to the excited states of strong and weak transition, respectively. the decay rates of the excited states are 47khz and 19mhz, respectively, and the ratio of them is 400

    原子ba是一個典型系統(其中能級6s ~ 1s _ 0為基態, 6s6p ~ 1p _ 1和6s6p ~ 3p _ 1分別是上述強和弱躍遷的激發能級,兩個躍遷的自發衰減速率分別為47khz和19mhz ,兩者之比為400 ) 。
  9. This work was supported by the state science and technology ministry of p. r. china under the contact no. g20000683 - 06, and by the national natural science foundation of p. r. china under grant no. 60046001. gallium nitride is one of the 3rd generation semiconductor materials. from 1990 ' s, gan has attracted more and more attention and advanced rapidly, mainly due to its direct transition, wide band gap ( ~ 3. 4ev ) and other excellent characters

    Gan是直接躍遷的寬帶隙材料,具有禁帶寬度大( 3 . 4ev ,遠大於si1 . 12ev ,也大於sic3 . 0ev ) ,電子漂移飽和速度高,介電常數小,導熱性能好等特點,在光電子器件和電子器件領域有著廣泛應用前景。
  10. The coupling originates from spontaneous emission of the probe transition and the spontaneous transfer of excited state coherence to ground state coherence

    一個是探測躍遷的自發輻射,產生耦合具有相同符號,此時原子相干表現為抑制吸收。
  11. Bohr let neither the unpredictability nor the nonvisualizability of the quantum jump deter him from advancing the idea.

    波爾並沒有讓量子躍遷的不可預言性以及不能使其形象化而妨礙該理論進展。
  12. The coefficient transition in quantum well is larger than that in bulk material

    3對led器件多量子阱有源區載流子輸運與復合躍遷的分析。
  13. Abstract : we have studied the polarization beats spectroscopy with phase - conjugation geometry in a cascade three - level system. it was found that the accuracy for the energy - level difference measurement is determined by the homogeneous linewidths of the optical transitions. under the condition for the occurrence of beating, the frequency difference of the beat between two independent light sources could exceed the laser linewidth. the measurement accuracy for laser absolute frequency could reach the same order of magnitude as the laser linewidth

    文摘:研究了級聯三能級系統中相位共軛極化拍頻光譜術.發現其對能級差測量精度決定於光學躍遷的均勻增寬.在符合拍頻條件時,兩獨立光源拍頻頻差可以超出激光線寬,激光絕對頻率測量精度可達到與激光線寬同一量級
  14. The first chapter states out three crucial opinions of mst theory : action - ontology, mechanism of control, and concept and classification of mst. the second chapter talks about the evolutionary opinions of turchin by introducing general evolution theories of k. popper and d. t. cambell. it also explains five stages of life ' s evolution which turchin used mst to describe : stage of simple reflex, stage of complex reflex, stage of high animal, stage of human being, and stage of social integration

    緊接著從四個主體部分來闡釋這一理論:第一部分詳細敘述了元系統理論三個核心要點,分別是,把世界終極實在看作是「行動」行動本體論、多層次控制機制論以及元系統躍遷的概念與分類;第二部分通過介紹波普爾和坎貝爾廣義進化論思想來闡明圖琴關于進化基本觀點,而重點在於解釋他用元系統描述生命進化五個階段:簡單反射階段、復雜反射階段、高級動物階段、人階段以及社會整合階段;第三部分通過把復雜性看作是系統一種不可還原性質,從而把復雜性與系統層次突現聯系起來。
  15. This limited condition not only depends on the rabi frequencies of the coupling field and the signal field, but also depends on the detuning or the decay rate of the additional transition

    這個限制條件不但依賴禍合場和信號場拉比頻率,而且依賴于附加躍遷的失諧量或者衰減速率。
  16. In detail, one - photon detuning for large kerr nonlinearity and photon switching via eit should be far less than the product of the ratio of intensity of the coupling field to the intensity of the signal field, and the detuning or the decay rate of the additional transition

    具體來說,單光子失諧量取值范圍應遠小於禍合場和信號場強度比與微擾躍遷的失諧量或者衰減速率之積。
  17. No phase transition evidence is found

    沒有發現任何相位躍遷的證據。
  18. Dependence of form factors of 0 transition to the finiteness of the resonance widths

    0躍遷的形狀因子對共振態譜有限寬度依賴性
  19. Influence of polarization - induced electric fields on optical properties of intersubband transitions in alxga1 - xn gan double quantum wells

    雙量子阱中子帶間躍遷的光學性質影響
  20. Transport of atoms or molecules driven by laser beams through a mesoscopic device have continued to receive considerable attention in recent years

    外場驅動下原子或分子躍遷的理論或實驗研究已相當廣泛和深入。
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