激波速度 的英文怎麼說

中文拼音 []
激波速度 英文
shock speed
  • : Ⅰ動詞1 (水因受到阻礙或震蕩而向上涌) swash; surge; dash 2 (冷水突然刺激身體使得病) fall ill fr...
  • : 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...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g

    如果通過光冷卻能使原子降至很小甚至為零,光壓力的作用將使原子被較穩定地囚禁于光駐場的節點和反節點處,其穩定程取決于該處光壓力曲線負斜率的大小、對應勢能的勢阱深以及動量擴散系數的大小,因此,如何在實驗中合理選擇光強、失諧量等顯得尤為關鍵。
  2. 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條件下的電子漂移和平均電子能量的變化;著重分析了發、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,同時計算了發發射光譜的長。
  3. 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、末態電子函數的獨立計算以及在原子態函數的展開中考慮不同數量的組態函數,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,給出了長兩種不同規范下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。
  4. Meanwhile, the spectrum is also related to the shock wave velocity

    光譜的結構特徵也依賴于
  5. Principal conclusions were drawn as the following : the non compatibility of pressure or velocity of the gas on both sides of the contact surface is the cause of the formation of shock wave ; the heating effect of reflective shock wave to driving gas during charging or exhausting process is the internal mechanism of peak oscillating effect, and all the factors that influence the formation and the running of the shock wave will influence the peak oscillating frequency, cooling effect

    主要結論如下:熱分離機內形成的原因是射氣瞬間接觸面兩側壓力和不相容;峰值振蕩效應的內在機制為反射對充氣階段的驅動氣或低溫排氣的加熱,凡是影響形成及運動的因素都將對峰值振蕩頻率、冷效應及熱效應產生影響;當充、排氣時間比為0 . 1763時,最佳射流勵頻率出現在高階峰值振蕩頻率上。
  6. 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:當脈沖長接近等離子體長時,稀薄等離子體將發生「前向受raman散射」 ,它使脈沖后沿拉長,導致尾流場的相變小,以至於被尾流場「捕獲」的電子最大動能大大下降。
  7. Because of the resonant interaction between the reb electrons and the wave excitated by the embp instability, the reb electrons cannot transport continuously, but in form of current clumps. the transport velocity is close to the phase velocity of the wave

    因為embp不穩定性所發的和束流電子之間的共振相互作用,束流電子不是連續地傳播,而是以電流團的形式傳播,傳國防科技大學研究生院學位論文播接近於的相
  8. The characteristic of the forming of shock wave in the tube and the influence of the shock wave intensity on cooling effect was also analyzed in working time. the reason why the cooling efficiency was lower in low rotate speed and has no change in high rotate speed was revealed

    分析了振蕩管實際工作時管內形成特點及對冷效應的影響,指出了實際壓力製冷機在低轉下運行時製冷效率很低而在高轉下製冷效率變化不大的內在原因。
  9. In view of predecessors " research achievements we put forward a method using square wave excitation and the fast furrier transformation ( fft ) to realize the comparison calibration for the calibration system of piezoelectric accelerometer

    在吸收前人研究成果的基礎上,文中提出了工作用壓電加傳感器校準系統應用方信號勵,同時應用快傅立葉變換( fft )的方法來實現比較法校準。
  10. Direct hits between stars are extremely rare when galaxies collide, but huge gas clouds can crash into each other at high speeds, creating shock waves that heat the clouds and the surrounding gas to millions of degrees

    當星系相撞時,恆星之間的對撞非常少,但巨大的氣體雲團會以高互相沖擊,產生,並將雲團和周圍的氣體加熱到幾百萬
  11. The influences of optical feedback and external cavity length on the laser output are studied, and the relation between fluctuations of speckle signal and the transverse velocity of rough surface is discussed

    分析了隨機變化的反饋強與外腔長光光譜特性的影響。模擬了散斑干涉信號的動與粗糙表面橫向移動的關系。
  12. The principle of vibrator is to introduce scattered energy to underground in a comparatively long time, and collect the energy through correlation and compress it into a narrow pulse. the portable high - frequency vibrator system, developed by key lab of geo - exploration and instrumentation ( jilin univ ), ministry of education, generates chirp signal and accumulates energy through a long - time bestiring. according to the characteristics of vibrator, the seismic recorder that operates on - line with vibrator must have these functions as follow : first, it must have the ability of recording a great quantity of data. second, it must have assistant channels to sample reference signal. third, it must have the function of data correlation in real - time

    可控震源利用可控的小能量、長時間來實現沖擊震源瞬時產生的大能量。在利用可控震源進行地震勘探時,要求地震儀長時間記錄地震信號,這對地震儀的采樣長提出了很高的要求。受存儲量和數據傳輸的限制,絕大多數地震儀很難對如此大的數據量進行記錄,同時,可控震源要求地震儀有兩個輔助通道並且具有數據相關功能,目前國內還沒有出現滿足要求的地震儀產品。
  13. In order to predict the arrival time at 1au of interplanetary shocks, a simple model called disturbance model is established here. in this model, the travel time is assumed to be a function of energy that is released from solar explosives, and input pulse longitudinal width, input pulse duration, the interaction of interplanetary shock and background solar wind are also taken into account

    本論文考慮了爆發源角寬、能量、驅動時間、激波速度及其與背景太陽風之間的相互作用,利用流體力學擾動方程建立起一個擾動傳播模型,用於研究從太陽傳播到地球軌道附近( 1au處)所需要的時間問題。
  14. This paper presents a method of improving on frame & horizontal synchronization in laser phototypesetter, by using singal - chip computer system to detect real - time frequency deviation and adjust film transmission speed

    摘要提出了一種在光照排機電控系統中,利用單晶片微機對轉鏡掃描光柵頻率信號的暫態動量進行檢測、提取,並以此實時校正系統輸片,實現場掃描對行掃描的跟蹤、補償,從而提高行、場掃描同步精的方案。
  15. A study on the proposed scanlan linearity has discovered that if the self - excited loads and movement of the model and velocity constitute a linear relationship, and the model vibration accounts for a sine function of the frequency, the rate of the high - order harmonic waves should be quite small

    考查了scanlan的線性假定:如果自力與模型運動的位移、成線性關系,模型振動是某一頻率的正弦函數,那麼相應的自力也應是這一頻率的正弦函數,高次諧的分量應極小。
  16. At first, the propagation and influence of stress wave on the top of the pipe pile were discussed in the paper and a formula was obtained about the time difference between two initial signals which were received from two different points

    本文首先研究了應力在管樁頂面的傳播及其影響,並提出了計算不同點峰值時間差的關系式。
  17. Experiments are conducted in a 5 m long, 60x60 mm cross - section shock tube, liquid drops acted by shock wave undergo deformation, breakup and atomization. based on experiments, the effects of shock velocity and drop diameter on drop breakup time have been discussed

    採用ya ? 16高照相機,詳細研究了液滴在作用下變形、剝離、破碎、霧化的全過程,並討論了液滴的破碎模式、和液滴直徑對液滴破碎時間的影響。
  18. With a purpose to provide basic data or figures for the feasible research of a project construction and its planning, taking the practical project of preselecting a factory location for an instance, using the principle and method of shallow seismic reflection, based on the area conditions, differences in physical features and disturbance, with experiments on typical sections of the construction area, one can draw reasonable measuring lines, choose right modes of producing and receiving waves, conduct primary and precise computer data processing, acquire a distinct reflected wave section from a shallow depth and explore the stratum structure in the preselected location and the distribution of longitudinal waves

    摘要結合某重大工程預選廠址項目的工程實例,利用淺層地震反射法的原理和方法,根據現場的場地條件、物性差異和干擾情況等,結合典型地段的試驗,合理布置測線,選擇恰當的發和接收方式,進行初步和精細的計算機資料處理,可以得到清晰的淺層反射剖面,準確地查明了預選廠址的地層結構和縱分佈,為工程建設的可行性研究和規劃提供了基礎資料。
  19. The method permits the calculation of the three stages of shock wave evolution, and gives the temporal and spatial relationship of peak pressure, velocity, and profile of shock wave

    文中採用流體動力學模型,解析地描述了脈沖強光輻照靶材時,的產生及增強、維持和衰減規律,給出了峰值壓力、激波速度形的時空關系。
  20. Explosives for civil uses - detonators and relays - part 23 : determination of the shock - wave velocity of shock tube ; german version en 13763 - 23 : 2002

    民用爆炸物.雷管和繼電器.第23部分:激波速度
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