compression wave 中文意思是什麼

compression wave 解釋
壓力波
  • compression : n. 1. 壓縮；壓緊；濃縮，緊縮。2. 加壓；壓抑。3. （表現的）簡練。4. 應壓試驗。
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪；碎浪； 〈the wave（s）〉 〈詩〉海。2 波動；波狀...
  1. A compression wave in decelerating flow steepens.

    壓縮波在減速流中變陡。
  2. Shock wave compression technique has play an important role in the understanding of the material composition thermodynamic state and physical properties of the earth ' s ulterior. in this article, the stabling of high - pressure phase of one of the main candidate materials of the earth ' s lower mantle ? enstatite ( mg0. 92, fe0. 08 ) sio3 were investigated through the experimented measurement of hugoniot equation of state, and together with thermodynamic calculation and analysis

    本學位論文以沖擊壓縮技術為手段，從測量其hugoniot物態方程入手，結合高壓物理和熱力學理論分析，較深入地研究了下地幔中的一種主要候選組分頑火輝石（ mg _ （ 0 . 92 ） ， fe _ （ 0 . 08 ） ） sio _ 3在與下地幔大致相當的溫度壓力條件下的相態-鈣鈦礦型結構的相穩定性。
  3. According to the correlative theory of hydromechanics and shock wave, theoretical model of creating quasi - isentropic compression via w - mo - ti - mg system flier - plate with graded wave impedance was established, and study on the numerical simulation of the impact process was then carried out

    根據流體力學和沖擊波理論知識，首先建立了梯度飛片擊靶的理論模型，對w - mo - ti - mg系梯度飛片擊靶過程進行了數值模擬計算。
  4. Compression mach wave

    壓縮馬赫波
  5. The following results were found, i. e., the water ratio affects obviously the acoustic wave velocity of rock sample ; the wave velocity is higher in saturated rock samples than in unsaturated ones ; and it decreases gradually with the strain of samples during uniaxial compression ; and also with the lengthening holding time at 160 ; when heating the samples the acoustic wave velocity increases slightly in initial stage and comes to the peak value at 60, then decreases gradually with increasing temperature ; meantime, there is a certain temperature effect on rock samples size

    實驗發現含水率對波速影響比較大，飽和巖樣的聲波傳播速度高於不飽和巖樣的聲波傳播速度；人工預制裂紋對聲波傳播速度影響不大；單軸壓縮條件下，聲波傳播速度隨應變增加逐漸降低；在同一溫度（ 160 ）下，波速隨保溫時間的增加而逐漸降低；在對巖樣逐漸加熱情況下，初始加熱階段波速略有升高，當溫度達到60時，巖樣波速達到峰值，之後隨著溫度繼續升高其波速逐漸下降；波速隨溫度變化具有一定的尺寸效應。
  6. By comparing difference in compression modulus before and after grouting and detection of seismic waves, the authors concluded that the seismic wave method is a good method for detecting effects of grouting in highway slopes

    通過對坡體在灌漿前後彈性參數的對比分析，說明用地震波法檢測公路邊坡灌漿加固效果是一種較好的方法。
  7. The planeness and integrality of the flier - plate were ensured effectively by exerting restrictive pressure, controlling heating and cooling rate, lowering welding temperature or reducing welding time as much as possible, etc. theoretical model of creating quasi - isentropic compression via 93w - ofc - tc4 - a1 - mb2 system flier - plate with graded wave impedance was established, and numerical simulation of the impact process was then carried out

    採取施加外部機械力、控制升降溫速率以及盡量降低焊接溫度或減少焊接時間（防止脆性金屬間化合物的過度增長）等措施，確保了焊接接頭的平整性和界面結構的完整性。建立起梯度飛片擊靶的理論模型，對93w - ofc - tc _ 4 - al - mb _ 2系波阻抗梯度飛片的擊靶過程進行了數值模擬計算。
  8. In this paper, using high - speed train aerodynamics model research system, the propagation mechanism of compression wave, which created when high - speed train entering into a tunnel was researched, at the same time the effect of velocity of the model train and the ratio of train with tunnel was analyzed, the result is helpful for future research

    利用高速列車空氣動力學模型實驗系統對高速列車在進入隧道過程中瞬變壓力的傳播規律進行研究，並分析了列車速度以及阻塞比對測試結果的影響，得出的結論對以後的研究具有一定的參考和借鑒。
  9. Difference solution to dynamic instability of straight bars under elastic compression wave

    彈性壓應力波作用下直桿動力失穩的差分解
  10. Finite element eigenvalue analysis for dynamic buckling of cylindrical shells under axial elastic compression wave

    軸向應力波作用下圓柱殼彈性軸對稱動力失穩有限元特徵值分析
  11. At the same time, the thickness of target should also be in accord with the impact velocity. experiments of quasi - isentropic loading to 93 w alloys by 93w - ofc - tc4 - a1 - mbz system flier - plate with graded wave impedance were performed on light gas guns. the corrected visar - measured wave profiles were profiles with an initial velocity jump followed by a stepwise - rising front to the peak velocity amplitude, indicating that quasi - isentropic compression energy waves had been successfully generated

    在輕氣炮上利用研製的93w - ofc一tc4 . ai一mbz系波阻抗梯度飛片實現了對93w合金（靶材料）的準等嫡壓縮，經修正後的測試波形都是由一個較弱的初始速度跳躍和一段呈階梯狀緩慢上升的波陣面前沿所組成的準等嫡壓縮波。
  12. As a result, the p - v curve of the target was a quasi - isentropic compression curve, which consisted of small hugoniot curves ( similar to isentropic curves ) from different original states, and was located betwee n the hungoniot curve and isentropic curve but closer to the latter. finally, on a two - stage light - gas gun, titanium alloy projectiles ( with mass of 0. 35 ~ 2. 80g ) were driven intact to hypervelocities as over 15km / s by 93w - ofc - tc4 - a1 - mb2 system flier - plate with graded wave impedance, although the fl

    在二級輕氣炮上，利用93w - ofc一tc4一al一mb :系波阻抗梯度飛片成功將克量級（ 0 . 35一2 . 809 ）欽合金二級飛片發射到了15kln / s以上的超高速度，且二級飛片主體是完整性，但其平面性和飛行姿態還有待於今后的深入研究。
  13. Flier - plate with graded wave impedance, which can be regarded as a new type of functionally graded material ( fgm ) since its wave impedance changes gradually along the thickness direction and thus can be used to generate quasi - isentropic compression energy waves in targets or drive projectiles to hypervelocities, has come to show great potential for the application in dynamic high - pressure technique

    波阻抗梯度飛片作為一類新型的功能梯度材料（ fgm ） ，因其波阻抗值沿厚度方向呈梯度變化而具有準等熵壓縮特性並能進一步用於超高速發射中，可以看作是fgm的優異特性在動高壓物理領域中的應用新拓展。
  14. By the use of dynamic buckling supplementary restraint conditions at the compression wave front of cylindrical shells at the instant when the buckling occurs, the critical load and dynamic buckling modes of shells were calculated from the solutions of finite element characteristic equations

    計算結果揭示了圓柱殼彈性軸對稱動力屈曲變形發展的機理，以及軸向應力波和屈曲變形的相互作用規律。
  15. In these equations, the compression wave propagation and the transverse inertia effect were taken into consideration

    通過引入圓柱殼動力失穩時的波前約束條件實現了此類問題的有限元特徵值解法。
  16. This paper conclude the history and present situation of the research of the compression wave home and abroad ; summarize the forms dimensions of the railway tunnels and tunnel hoods abroad ; discuss the physics model and mathematics model of the air flow when high - speed train running in a tunnel and introduce the compulation method of the pressure in tunnels briefly

    本論文首先總結了隧道壓縮波研究的歷史和現狀：針對高速列車所引起的空氣動力效應要求，統計了國外高速鐵路隧道及各種緩沖結構的形式和尺寸。討論了高速列車在隧道內運行中引起的空氣流動物理模型和數學模型，並簡單介紹了隧道內空氣壓力的計算方法。
  17. The finite element numerical method was used to study the dynamic buckling of cylindrical shells under elastic compression wave

    摘要本文運用有限元特徵值分析方法對應力波作用下圓柱殼彈性軸對稱動力失穩問題進行了研究。
  18. Model research on compression wave of high - speed train entering into a tunnel

    高速列車進入隧道產生壓縮波的實驗研究
  19. The analysis of the compression wave and the effects of the tunnel hoods by experimental method is the purpose of this paper

    本論文以實驗為主，對隧道壓縮波和緩沖結構效應進行研究分析。
  20. In order to make the tunnel hoods have a better effect on the respect of alleviating the aerodynamics in tunnels, the theory of the generating and propagation of the compression wave in tunnels should be research and the effects of all kinds of tunnel hoods on the compression wave should be analyzed

    為了使隧道緩沖結構在減小隧道空氣動力效應方面起到更好的作用，須深入研究有關隧道壓縮波的形成及傳播機理，比較分析不同形式緩沖結構對其影響等一系列問題。
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