躍遷比 的英文怎麼說

中文拼音 [yuèqiānbǐ]
躍遷比 英文
jumratio
  • 躍 : 動詞（跳） leap; jump
  • 遷 : 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
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  1. In the third part, a more actual dynamic - chemical coupling model than two - state model, a dimensional v " j : ) t t periodic four - state kinetic hopping model, is established. the results are summarized as follows. 1

    第三部分根據分子馬達實際的力學化學耦合過程，建立起比兩態模型更接近實際的模型?一維周期性四態隨機躍遷模型。
  2. We obtain a new quark potential from the effective dilaton - gluon - coupling inspired by superstring theory, and by using this static potential, we explore the mechanism of quark confinement through calculations of the spin - average energy levels, the widths of the leptonic decays and radiative transitions for heavy quarkonium. the obtained results are compared with that of the cornell potenial

    由規范場理論的超弦理論所激發的伸縮子一膠子有效藕合，給出了一個新的靜態夸克一反夸克勢，討論了此勢模型下重介子的自旋平均能譜、輕子衰變和輻射躍遷寬度，並與cdrn叭勢模型所得到的相應結果作了比較
  3. 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是一個典型的系統（其中能級6s ~ 1s _ 0為基態， 6s6p ~ 1p _ 1和6s6p ~ 3p _ 1分別是上述強躍遷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 ） 。
  4. The coincidence data were analyzed with the radware software package. through identifying the transitions in the double - gated spectrum by program of xmlev, we have built the level scheme with high spin states for 113ru for the first time

    利用三維數據分析的xmlev程序，對躍遷開雙門得到的門譜進行反復的對比研究，識別級聯躍遷，首次建立了豐中子核113ru的高自旋態能級綱圖。
  5. The bandgap energy of ar gas c60 thin film is 2. 24 ev, and the bandgap energy of n2 gas film is 2. 09 ev. both are larger than that of vacuum c60 thin films ( 2. 02 ev )

    用直接躍遷吸收邊關系得出在氬氣和氮氣中制備的c60薄膜的禁帶寬度分別為2 . 24ev和2 . 09ev ，均比在真空下生長的c60薄膜禁帶寬度（ 2 . 02ev ）要大。
  6. 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。
  7. 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，單光子失諧量的取值范圍應遠小於禍合場和信號場的強度比與微擾躍遷的失諧量或者衰減速率之積。
  8. There are distinct changes about shifts or intensity in bulk plasmon, surface plasmon, and interband electron transitions losses as a result of oxidation of specimens, and adsorption and oxidation processes can be studied through these changes. at room temperature, the formation of oxide layers on uranium and uranium - niobium alloys were found to occur rapidly upon exposure to oxygen, and the resultant oxide in each case was near - stoichiometric uo2. due to formation of niobium oxide in uranium - niobium alloys, the diffusion of o ~ ( - ) ( o ~ ( 2 - ) ) and u ~ ( 4 + ) in the interface region was prevented, and the corrosion resistance of uranium - niobium alloys to oxygen is greatly enhanced by alloying with niobium

    研究結果表明：清潔表面鈮和鈾的體等離子體振蕩所造成的電子能量損失的實驗值與理論計算值較為符合；隨著氧化程度的加劇，表面等離子體（ sp ） 、體等離子體（ bp ）以及價帶電子躍遷所造成電子能量損失的譜峰發生了明顯的連續偏移或強度的變化，這些變化可以用來分析鈾及鈾鈮合金的初始氧化過程；室溫下，鈾及鈾鈮合金很容易與氧作用，最終結果，鈾僅氧化為二氧化鈾，另外，在鈾鈮合金氧化過程中，因為有鈮的氧化物存在，不利於氧和鈾在界面擴散，增強了鈾鈮合金抗氧化性能； eels能獲得樣品表面的信息比aes更為表面，更為靈敏，但由於eels的譜線過于集中，主要在幾十ev以內，也有不容易區別和解譜的不足。
  9. Comparing of the ratio of 550nm emission intensity to 525nm in samples annealed at different temperature and times, the results obtained from a fit of the integrated intensity for these two emission indicated the change of radiative transition probability at different energy level are different

    通過比較不同退火溫度和時間樣品的兩者發光變化的不同，發現兩者的激發機理不同。通過比較不同樣品的525nm和550nm發射強度比值隨退火條件的變化以及這兩個發光的積分強度的變溫擬合結果說明退火對不同能級的輻射躍遷幾率的影響不同。
  10. According to the ratio of the intensities of the double lines, the ratio of transition probability of the double lines was deduced. compared with the theoretical value, we found they coincided with each other exactly

    對a1原子共振雙線（ ali394 . 40nm和ali396 . 15nm ）的譜線線型進行分析，扣除連續譜線的影響，計算譜線強度比，得到其躍遷幾率比是w _ 1 w _ 2 （
  11. The zno particles are excited by ultraviolet ( uv ) exciting light ( 365 nm ), showing two photoluminescence ( pl ) peaks / bands, centered at 2. 90 ev ( blue ) and 2. 23 ~ 2. 41 ev ( yellow - green ), respectively. the intensity of the yellow - green band was reduced after the product had been annealed in n2 and o2 at 350 c for 1h. ultraviolet visible absorption spectrum shows that the zno absorbs ultraviolet light intensely

    對于復合h ps zno結構的發光機制，認為是納米h價帶中的電子在紫外光的激發下，躍遷到zno的導帶，從而處于激發態，由於多孔硅的導帶比氧化鋅的導帶低， zno導帶中處于激發態的電子很快躍竄到多孔硅的導帶，然後再與h價帶中的空穴發生復合，發出可見光。
  12. We then discuss the vibrational - rotational level transitions and the population rate equations for the laser. in addition, electron temperature, electron density and the mixtured gas temperature in the laser plasma are investigated in details. the third part is with regard to the optimal designs and the experiments of the lasers

    在二氧化碳激光動力學機理的研究中，比較詳細地討論了二氧化碳激光動力學過程，給出了激光振動-轉動能級躍遷及其速率方程、激光等離子體電子密度和電子溫度，以及混合氣體的氣體溫度
  13. Some microscopic theoretical analysis indicates the branching ratio of the transitions near zero degree is not sensitive to the halo structure. the complete angular distribution of the " h ( 6he, 6li ) n reaction has to be measured to reveal the halo structure of the second exited state of 6li

    有的微觀理論分析表明， 0附近的該躍遷強度比對是否存在暈結構不敏感，要想揭示~ 6li第二激發態的暈結構，應該測量~ 1h （ ~ 6he ， ~ 6li ） n反應完整的角分佈。
  14. The author has calculated the spontaneous radiate probabilities, the linear oscillator strengths, branching ratio of tm3 + iones by judd - oflet theory. according to the j - o calculated data, the transition 1g4 ? 3h6 was stronger than the transition 1g4 ? 3h4. it was agreement with the emission spectra

    3 ）對tbzre玻璃，用j ? o理論計算了各光譜參數，從1g4能級的躍遷分支比從理論上得出480nm波長的光相對650nm波長的光強，這與發射光譜圖是相符合的。
  15. The stochastic resonance appears as the value of the coupling coefficient between two noise terms is increased. when the noise correlation time t is increased, the snr is changed f

    信噪比在單峰和雙峰之間的躍遷對乘性噪聲關聯時間: 、和噪聲之間的禍合系數兄的依賴程度更強于對禍合噪聲關聯時間幾的依賴。
  16. To describe the experiments and to study the intensities of all kinds of transitions, from 1980s, wulfman, levine, lachello and oss tried a new method and proposed the algebraic model of molecules, i. e., to calculate the spectroscopy of molecules by algebraic method. by making use of the algebraic model, we got precise results with less parameters. but it became very difficult to calculate anything as the overtone v increased, for they were done in a non - symmetry adapted bases

    Wulfman ， levine ， iachello和oss從80年代開始致力於新方法的研究，提出了分子的代數模型，即用代數的方法來研究分子的能級和躍遷強度，這種方法不僅所需要的參數較少而且得到的結果比較精確，但是由於採用的是非對稱局域基，所以對于振動量子數很大的振動來說計算量很大。
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