電子波長 的英文怎麼說

中文拼音 [diànzibōzhǎng]
電子波長 英文
electron wave length
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 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...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 電子 : [物理學] [電學] electron
  • 波長 : [物理學] wavelength波長標準 [光學] wavelength standards; 波長測量 wavelength measurement; 波長常...
  1. 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。
  2. Based on my working experience in beijing trs information technology limited and the particularities and complexity of e - government requirement and purchasing process are studied by using modern marketing theories and methods systematically in the beginning. and the actual status and characteristic of the e - government software market in china was analyzed scientifically through comparing approach of products competing dominance and market share, increscent sales ratio. then competition status of trs e - government system was evaluated by porter five forces model and a conclusion is that trs lacks of competitions power

    本文結合筆者的實際工作，根據政府部門對電子政務軟體產品技術和服務要求的特殊性和其采購過程的復雜性，系統運用了現代市場營銷理論的基本原理和方法，首先分析了電子政務軟體市場發展狀況和特點，運用產品競爭優勢比較、市場佔有率和銷售增長率比較等方法，根據波特競爭力模型對trs電子政務系統的行業市場競爭情況進行了評價，得出了trs電子政務系統市場競爭力不足的基本結論。
  3. ( 2 ) the emission spectra of laser ablation metal copper plasma were measured. the detailed mechanism of plume emission of cu plasma was qualitatively explained using a simple model based on excitation of atom and ion in plume arising from inelastic collision between the elemental species and electron with high kinetic energy. under the local thermal equilibrium model, the electronic temperature of copper plasma was deduced to be in the 104 scale by its emission lines

    （ 2 ） cu等離子體光譜：在420 570nm波長范圍內觀測了激光燒蝕cu等離子體的光譜和各發射譜線在等離子體中的空間分佈；比較了激光能量對cu等離子體發射光譜、電子溫度的影響；用局部熱力學平衡（ lte ）近似，測得cu等離子體的電子溫度為104k數量級；在不同背景氣壓下，觀測了激光燒蝕cu等離子體光譜的空間分佈。
  4. Abstract : si - based photodetectors are the most promising devices for photoelectronics which can be integrated with microelectronics

    文摘:硅基長波長光電探測器是最有希望與微電子集成的一種用於光通信的光電器件。
  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，通過對輻射躍遷初、末態電子波函數的獨立計算以及在原子態波函數的展開中考慮不同數量的組態波函數，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躍遷幾率的影響，給出了長度和速度兩種不同規范下激發態的能量和輻射壽命；以中性ne原子的研究為基礎，進一步研究了類ne等電子系列離子（ z = 11 - 18 ）較低的激發組態2p ~ 53s和基組態2p ~ 6的能級結構以及各能級間的輻射躍遷特性。
  6. In this paper, besides the simulation of the normal physiological condition, ecg waveforms under pathological conditions due to cell membrane ionic channel mutation such of as long - qt syndrome, short - qt syndrome, t wave alternans and brugada syndrome also be simulated and researched, which validated this ecg model, at the same time be beneficial to further research on

    文中除了模擬正常生理狀態下的心電圖以外，對長qt間期綜合癥、短qt間期綜合征、 t波電交替和brugada綜合癥等幾種由細胞膜離子通道改變所引起的病態心電圖波形也進行了模擬研究，充分驗證了模型的正確性，同時也為進一步在此上進行疾病治療藥物的研究奠定了基礎。
  7. We found the " forward stimulated raman scattering " will be excited if the pulse length is greater than plasma wave length. the " forward stimulation raman scattering " decreases the phase velocity and the amplitude of the wake wave which will lead to the reduction of maximum kinetic energy of the electrons trapped

    結論是：當脈沖長度接近等離子體波長時，稀薄等離子體將發生「前向受激raman散射」 ，它使脈沖后沿拉長，導致尾流場的相速度變小，以至於被尾流場「捕獲」的電子最大動能大大下降。
  8. The positions of certain wavelengths in both cases depend on the proton - to - electron mass ratio

    他們發現，在這兩個觀測結果中，特定波長的位置會隨著質子對電子的質量比而改變。
  9. The electron wavelength is computed from the orbital speed required to balance the electric attraction of the nucleus.

    電子波長是由平衡核力所必須的軌道速率計算出來的。
  10. Interstellar hydrogen will emit a characteristic wave with wavelength 21cm. most of the sources of this wave are gas clouds in the spiral arms. second to the 21cm emission, the radio wave emitted by the molecular gas clouds in the arms are also good spiral arm tracers

    在旋臂中的氫氣分子云，會發射出波長為21厘米的無線電波，只要探測這些無線電波在天空中的強度分佈，便可推算出旋臂的結構。
  11. The innovation in this paper is list below ( 1 ) use rectangle - shape pipeline so that the inducing electromotive force could be enhanced ; ( 2 ) use alternating current whose frequency is adjustable to induce the magnetic ; ( 3 ) make the flowmeter intelligent by use the microprocessor ; ( 4 ) finish designing the ls flowmeter with utra - low power consumption

    本文的創新之處在於採用矩形測量導管大大增加微流量條件下的感應電動勢；採用輸出頻率可調的正弦波電流作為勵磁電流達到消除50hz頻干擾和減少正交干擾的目的；利用單片機等高端現代電子產品實現了電磁流量計的高度智能化及設計出真正的超低功耗的、可用干電池長期供電的ls旋轉流量計。
  12. In recent years, short - wavelength solid - state lasers in the ultraviolet to green spectral range have attracted much attention due to a wide range of applications including high - density optical data storage, all color displays, undersea communications, biomedicine and infrared sensors

    作為光電子產業的核心器件之一，緊湊型全固體短波長激光器在高密度光學存儲、全色激光顯示、海底通信、生物醫學和光譜學等領域具有廣闊的應用前景。
  13. When electronic ion re - capture their way, the return to the ground state, will be launching some specific wavelength of light waves have

    當離子重新俘獲電子，輾轉回到基態的時候，便會被發射某些擁有特定波長的光波。
  14. And the simulation on the nonlinear beam - wave interaction of two - cavity gyroklystron is made. the influences of the drift length and beam voltage and current and the velocity ratio of the electron beam and et al. on efficiency and gain are analyzed in detail

    並對34ghz兩腔迴旋速調管的注?波互摘要作用進行了大量的數值模擬研究，分析了漂移區長度、電壓、電流、速度lhq值、磁場k ， ； 、注入波功率等多種因素對互作用電子效率及增益的影響。
  15. Gan has d1rect, wide bandgap und is one of the ii1ost promising lnateria1. 1t ' s good e1ectrica1, opt ica1 characteristi cs and excel1ent lllecllaniczl1 properties make it one of the most ideal choices for short wave photoe1ectron devices, such as u1 travio1et photodetectors

    Gan是最有前景的直接躍遷寬帶隙半導體材料之一，它具有優良的光電性質和優異的機械性能，被認為是制備短波長光電子器件的最佳材料之一。
  16. The tests of e - o applications by our flux ktp has been realized, the results showed : optical waveguides fabricated by using an ion - exchange process, which have an exchange - ion concentration depth profile and refractive - index profile, is close to a complementary error - function distribution, optical homogeneity and device thermal stability is much better. amplitude modulation switch formed by our flux ktp has the contrast ratio of 150 : 1 and insert loss is 2. 5 % at 1064 nm. high quality optical pulse with 1 ns width was cut successfully by using an e - o modulator from a laser pulse with 50 ns width, this modulator had run for three years, and the crystal did n ' t blackened, it showed our low conductivity flux ktp can endure high modulation voltage for a very long time

    Ktp晶體的電光應用試驗表明：用離子交換法製作的電光波導，其離子交換濃度、折射率變化符合餘弦誤差函數，光學均勻性以及器件的溫度穩定性較好；製作的強度調制電光開關，消光比為150 ： 1 ，對1064nm激光的插入損耗為2 . 5 ；製作的電光調制器用於激光脈沖整形試驗，從脈沖寬度50ns的激光脈沖削出脈寬1ns的高質量光脈沖，該電光開關經過長達三年多的使用，沒有出現晶體變黑現象，說明本實驗的低電導率ktp晶體能夠耐受長時間的調制電壓。
  17. By use of g. d. shen ' s tunneling cascade theory we have fabricated high performance and high power tunneling cascade ingaas / gaas / algaas 950nm / 990nm double wavelength strained quantum well lasers on the basis of former tunneling cascade high power lasers and high brightness light emitting diodes. the lasers " two peak wavelength are 95 ? nm and 990 ? nm. el spectrum ' s fwhm is 3nm

    在以往隧道級聯大功率應變量子阱激光器及高亮度發光管的理論研究與實驗的基礎之上，採用沈光地教授提出的隧道級聯思想，成功研製出基於ingaas gaas algaas材料的高性能大功率隧道級聯950nm及990nm雙波長應變量子阱激光器，激射波長分別為952 2nm和990 2nm ， el譜的譜線寬度約3nm ，未鍍膜器件單面最大輸出光功率可達2w以上，閾值電流最低達120ma 。
  18. This paper has studied the mean attenuation, scattering, and back scattering cross sections of groups of small rotating spheroids about characteristics of microwave scattering when their rotatory axes are oriented at random in any direction in 2d plane and 3d space respectively under the condition of normal distribution, and that those physical quantities are changed with different variance, expectation and wave lengths of incident electromagnetic wave

    本文研究旋轉軸方向分別在平面內和空間中隨機取向呈正態分佈時的小旋轉橢球粒子群的平均衰減截面、平均散射截面、平均後向散射截面等微波散射特徵，以及這些物理量隨軸向分佈期望、方差及入射電磁波波長的變化。
  19. Based on the theoretical analysis and experimental researches, it is presented that the wider spectra are resulted from the many fluorophores with large numbers of vibrational energy levels on the ground level in the blood cells, and the reduction of the spectral intensity is due to the reabsorption of the blood cells and the energy transfer of the collisions between the fluorophore and another one or other macromolecule. on the other hand, when the concentration of the blood cells is increased, the reabsorption of the blood cells, the secondary fluorescence due to the reabsorption and the influence of the concentration on the energy levels of fluorophores are all the factors of the red - shifted spectral peaks

    在進行理論分析和研究的基礎上，提出了因血細胞中存在多種熒光團，且這些熒光團的電子能級上又存在大量的不同的振動能級，從而導致被激發的熒光團發出較寬的熒光光譜；血細胞濃度的增大，熒光團以及其他大分子之間的距離變小，造成它們之間因碰撞的能量轉移概率加大，因而易產生熒光猝滅，結果導致熒光強度的變小；血細胞溶液中重吸收所導致的熒光猝滅和二次熒光發射，以及血細胞濃度的變化對其中熒光團能級系統的影響都是導致熒光峰值波長「紅移」的原因；進而研究了led光誘導血細胞產生熒光光譜的機理。
  20. The sharp acceleration turns the traveling electron wave into a plane wave, like a nice regular pulse of an electron beam with an extremely short wavelength ? exactly the kind of beam useful for imaging

    急遽的加速會讓行進中的電子波轉變為平面波，就像一道波長極短的電子束所形成的有規律脈沖，完全符合造影所需。
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