激波的形成 的英文怎麼說

中文拼音 [jībōdexíngchéng]
激波的形成 英文
shock-wave formation
  • 激 : 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...
  • 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...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 成 : Ⅰ動詞1 （完成; 成功） accomplish; succeed 2 （成為; 變為） become; turn into 3 （成全） help comp...
  1. In the present dissertation, friction - induced noises emitted by a flat specimen rubbing against another flat specimen or a ball specimen under reciprocating sliding are studied. the detailed observation of the scars is conducted by means of a scanning electrical microscope ( sem ), laser scanning microscope ( lsm ), optical microscope and profilometer. the dynamic state variables are analyzed in detail using the discrete wavelet transform

    使用電子掃描顯微鏡（ sem ） 、激光掃描顯微鏡（ lsm ） 、光學顯微鏡和表面輪廓測量儀等設備對摩擦噪聲發生的區域進行了詳細的觀察和分析，運用小波變換技術對摩擦噪聲狀態下的動力學變量進行了深層次的研究，應用matlab simulink語言對摩擦系統進行了振動動力學模擬，系統地研究了摩擦噪聲的形成機理。
  2. In this paper, firstly, the mechanism of laser plasma shock wave ' s form, the basic formula of the theory of shock wave, the state equation of the shock wave in the water and the relation of the parameters of the shock front are studied

    本文首先討論了激光等離子體沖擊波的形成機理、沖擊波理論的基本關系式、水中沖擊波的狀態方程模型以及沖擊波波前參數的關系。
  3. This idea rooted in the supposal that combustion pressure is a pulse force and the characters that wavform parameters are sensitive to pulse

    這思路來源於將柴油機作功沖程的爆發力近似看成一個脈沖激勵的假設，以及波形參數對脈沖激勵敏感的特點。
  4. Csfb and ssb engaged in inappropriate spinning of " hot " initial public offering allocations in violation of sro rules requiring adherence to high business standards and just and equitable principles of trade, and the firms books and records relating to certain transactions violated the broker - dealer record - keeping provisions of section 17 of the securities exchange act of 1934 and sro rules nyse rule 440 and nasd rule 3110

    面對空中客車公司的激烈競爭，波音與麥道的合併有利於維護美國的航空工業大國地位其次，盡管美國只有波音公司一家干線民用飛機製造企業，但由於存在來自勢均力敵的歐洲空中客車的競爭，波音公司不可能在開放的美國和世界市場上形成絕對壟斷地位。如果波音濫用市場地位提高價格，就相當于把市場拱手讓給空中客車。
  5. The numerical simulation of axisymmetric two - dimensional shock tube is studied, which has a conical convergent section, and its driving gas is the hot product of hydrogen oxygen detonation. finite volume tvd scheme is adopted and the mesh is local orthogonal. the primitive equations are euler s equations of multi - component flow. the new method of eliminating numerical oscillation at the interface of two materials is extended to two dimensions. the mechanical character of this shock tube is analyzed

    對由前向爆轟產生驅動氣體並具有局部錐形收縮截面的軸對稱激波管利用兩相常比熱完全氣體的歐拉方程組和有限體積tvd格式在局部正交的網格上進行了二維數值模擬。將消除兩種介質界面處數值振蕩的新方法成功地推廣到二維情況。分析了該激波管的力學特性。
  6. 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：熱分離機內激波形成的原因是射氣瞬間接觸面兩側壓力和速度不相容；峰值振蕩效應的內在機制為反射激波對充氣階段的驅動氣或低溫排氣的加熱，凡是影響激波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，最佳射流激勵頻率出現在高階峰值振蕩頻率上。
  7. Ip3 is one of the key factors for ca2 + to release from calcium - storage and for oocytes to be activated. in this experiment, ip3 was guided into cytoplasm by instant holds on cell membrane which were made by electric stimulation, calcium - storage in cytoplasm was opened up with ip3s second messenger, and the effects of ip3 on artificial activation of oocytes was evaluated, with ca2 + waves of zygote being imitated

    本實驗利用電激活過程中卵母細胞膜上形成的瞬間孔洞，向卵子內導入一定量的ip _ 3 ，通過ip _ 3第二信使途徑，打開胞內鈣庫，模仿自然受精過程中卵母細胞內ca ~ （ 2 + ）的波動性變化，研究電場導入ip _ 3對小鼠卵子的激活作用。
  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激波形成特點及激波強度對冷效應的影響，指出了實際壓力波製冷機在低轉速下運行時製冷效率很低而在高轉速下製冷效率變化不大的內在原因。
  9. In this dissertation, the pulse jet style, the influence on the shock wave, the flow in the tube and the cooling effect was deeply studied theoretically and experimentally. the influence of the pulse jet style on the forming of shock wave and the shock wave intensity was explored. the initial disconnection style in oscillating tube vented and the initial disconnection breakdown was proposed by different pulse jet style

    本文對脈動射流的型式及其對激波、管內流動及冷效應的影響進行了較系統的理論和實驗研究，主要包括:探討了脈動射流的型式對形成管內激波形成及激波強度的影響，給出了不同脈動射流的型式下振蕩管開口端初始間斷的類型，對初始間斷進行了分解，導出了包含進氣、排氣參數及工質物性參數的管內入射激波馬赫數mj的表達式，給出了管內激波形成的三種原因及其所對應的脈動射流型式和具體的工作狀態。
  10. An enclosed single tube thermal separator was designed and by means of which the influence of single element of q, l, f, on the performances of thermal separator was investigated experimentally. on the basis of the comparison between the theoretical analyses with the results of the experiment, a relatively systematical theory of the cooling mechanism and peak oscillating effect of the thermal separator was founded

    設計了一臺封閉式單管熱分離實驗裝置，對q 、 l 、 f 、 、激波吸收器等因素對熱分離機性能的影響進行了單因素實驗；對理論分析和實驗結果進行了比較，形成了較為系統的熱分離機製冷機理和峰值振蕩理論。
  11. Based on the theory of gas dynamics and thermodynamics, the cooling mechanism and the formation and running rule of shock wave in the tube of the thermal separator was explored

    從熱力學及氣體動力學角度出發，探討了熱分離機的製冷機理、激波的形成與運動規律。
  12. In the thermal separator, the energy is transmitted through the movement of the shock wave. so that, it is of great importance to study the formation, action and controlling of the shock wave for discovering of the mechanism and ameliorating of the running nature of the thermal separator

    熱分離機內氣體間能量的傳輸與轉換主要通過激波的運動來實現的，因此深入研究激波的形成、運動、行為及控制方法對于揭示熱分離機的製冷機理和提高其性能有重要意義。
  13. In chapter 5, constant modulus algorithm ( cma ) is a well - known blind adaptive beamforming method as it requires no pre - knowledge about the signal except that the transmitted signal waveform has a constant envelope

    在實際的無線環境中，隨著用戶的激增，通信環境日趨惡劣，這就要求波束形成演算法在強干擾的環境中，仍然能夠快速而準確的收斂于期望信號。
  14. First, we think periodicity and weakening surge of the nonlinear waveform is caused by self - excitation of the circuit. the electric field thresholds ( et ) and maintenance field ( es ) of lock - on are modulated by the ac electric field ; the nonlinear waveform became two main modes of trans - electron oscillator, namely delay polar domain mode and quenched dipole domain mode

    指出非線性波形周期性的減幅振蕩，是由於光電導開關所處電路自激振蕩形成的交流場對偶極疇的閾值電場e _ t和維持電場e _ s進行控制，從而形成轉移電子振蕩器的兩種主要工作模式：延遲偶極疇模式和猝滅偶極疇模式。
  15. Nonlinear dynamical systems ; nonlinear waves ; diffusion ; stability ; characteristics ; nonlinear steepening, breaking and shock formation ; conservation laws ; first - order partial differential equations ; finite differences ; numerical stability ; etc

    非線性動力系統；非線性波；擴散過程；穩定性；特徵值及特徵曲線；非線性陡斜，阻斷和激波的形成；守恆定律；一階偏微分方程；有限差分；數值穩定性等等。
  16. After analyzed the limitation of dijkstra algorithm and genie algorithm, a pulse coupled neural networks ( pcnn ) algorithm is proposed. pcnn provides group similarity, synchronous exciting and auto - wave generation characters, and is widely researched and applied in image processing, target identification and optimization fields

    脈沖耦合神經網路提供了分組類似性、同步激發和自動波的形成與傳播等一系列基本的特性，並在圖像處理、目標的自動辨識和組合優化等領域中得到了廣泛的應用和研究。
  17. Spr is a physical phenomenon of total intemal reflection ( tir ) of light at the interface between two media when a light beam propagates across such an interface from higher refractive index media to the lower. spr is sensitive to the refractive index of the surface medium. the physical characteristic of spr has been applied to chemo / biosensing in the chemistry and biology

    Spr原本是一種物理光學現象，由沿著金屬和介質界面傳播的電磁波所激發而形成的，它對于附著在金屬表面的介質的折射率非常敏感，化學與生物學上利用spr的這個物理特性來進行傳感分析。
  18. It is revealed that the control commands from the filter are composed of a sequence of ramp signals, whose time - ratio of variation never exceeds the permissible value to restrain the excitation to un - modeled harmonic modes

    研究結果表明，該濾波器形成的控制信號是一系列的斜坡信號，對時間的變化率不超過允許的最大沖擊值，從而降低了未建模動態激勵。
  19. Most of partial differential equation arising from physical or engineering science can be formulated into conservation form : it directly reflects conservation laws in natural sciences. from viewpoints of fluid dynamics, it can be obtained from the mass, momentum, energy conservation laws. because the form ( 0. 2. 1 ) has no other terms such as dispersion, diffusion ( caused by nonuniformity of some physical states ), reaction, memory, damping and relaxation etc, smoothness of solution of ( 0. 2. 1 ) may be loss as times goes on. even for the smooth inital data, solutions of ( 0. 2. 1 ) become discontinuous in a finite time

    由於雙曲守恆律（ 0 . 1 . 1 ）沒有其它項，如色散（ dispersion ） ，擴散（ diffusion ） （某物理量分佈不均勻引起的輸運） ，反應（ reaction ） ，記憶（ memory ） ，阻尼（ damping ）及鬆弛（ relaxation ） （描述非平衡態）等，而僅有輸運或對流項（ convection ） （由於流體的流動引起的輸運）時，守恆律（ 0 . 1 . 1 ）的解失去光滑性（這里不特殊說明守恆律就指該意義下） ，甚至即使光滑的初始數據，解隨著時間的發展會變成不連續，這在物理上表現為激波的形成。
  20. It is showed by numerical calculation that the waves amplify becomes great and the width of waves becomes narrow after the collision or chase of two solitary gravitational waves. the results indicate that the nonlinear interaction between the gravitational waves may be one of the causes for outbreak of severe convective weather. furthermore, by comparing once shear with second shear, we find that it is easier to breaking up or energy dispersion for the solitary gravitational waves by the nonlinear action when the distributing of basic flow is once shear

    引入實際基本氣流，分別討論了具有垂直一次切變和二次切變流時兩個非線性重力波相互作用的數值計算過程，得到兩個重力波波包相遇或相追都會使波包的振幅增加、波寬變窄；進一步分析表明，有高空急流存在的條件下，非線性重力波的相互作用更易使波包破碎、能量頻散，激發強對流天氣的形成。
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