波傳播速度 的英文怎麼說

中文拼音 [bōzhuànbōsùdù]
波傳播速度 英文
speed of wave propagation
  • 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...
  • 傳 : 傳名詞1 （解釋經文的著作） commentaries on classics 2 （傳記） biography 3 （敘述歷史故事的作品）...
  • 播 : 播名詞（姓氏） a surname
  • 速 : 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 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 傳播 : 1 （廣泛散布） disseminate; propagate; spread; （over）; diffuse; transmit; run 2 [物理學] propag...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  1. According to phenomena observed during total solar eclipse, it can be pointed out that the velocity of gravitational field wave is equal to the velocity of light in vacuo

    摘要據日全食時的現象能夠得出：在真空中，引力波的傳播速度和光波的傳播速度相等。
  2. The phase velocity basically tells you how fast a pure sine wave ( with a single frequency ) moves

    相速度可以告訴我們一個純正弦波的傳播速度。
  3. The integral determination of rayleigh wave velocity

    波傳播速度的積分確定
  4. 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。
  5. By comparing with the velocity in normal person ' s shinbone, osteoporosis can be diagnosed conveniently

    與定量超聲波在正常脛骨中的傳播速度相比較，可以為骨質疏鬆癥提供便捷的診斷手段。
  6. The propagation velocity of ultrasound in patient ' s shinbone can be achieved by figuring out the time span between emergent wave and echo wave

    根據相關公式，只需計算出超聲波發射信號和回波信號的時間差，即可獲得定量超聲波在受試者脛骨的皮質骨中傳播速度。
  7. There is no finite velocity of propagation, and we speak of a standing wave.

    波沒有有限的傳播速度，因而我們稱之為駐波。
  8. Pulse wave velocity

    脈搏波傳播速度
  9. At the same time, the relationship between the sound speed traveling through the concrete and the compressive strength of concrete are analyzed, and then * relationship equations are obtained

    接著，測試了混凝土宏觀力學強度，同時對混凝土超聲波傳播速度檢測值和抗壓強度測試值進行回歸分析，給出它們之間的關系方程式。
  10. Generally, tidal bore is wave alignment moving upstream estuary, and its surface will break when the wave alignment is strong, which leads to water roll tracing the source. the velocity, which is between small - disturbed wave velocities before tidal bore happens and the one after tidal bore happens, increases with the ratio of tidal bore height to the water depth in wave front

    涌潮一般是向河口上游推進的波列，強度大時，表面破碎，進而發展成溯源推進的水滾，其傳播速度隨涌潮高度與波前水深比值增加，大小介於涌潮前後小擾動波波速之間。
  11. Analyses results show that the materials, tension and rigidity of wires, speed of trains, wave speed, and lift forces are primary factors that affect fatigue life of contact wires

    分析結果表明，接觸導線線質、張力和剛度以及列車運行速度、波動傳播速度和抬升力是影響導線疲勞可靠性的主要因素。
  12. This theoretic model employs the basic idea of correlation measurement, achieve the density wave speed by the correlation of the signals of upper and lower sensors, and get the total flow rate and water cut through the theoretic relationship of density wave speed and total flow rate as well as holdup with the help of drift flux model so as to accomplish the oil / water two - phase flow measurement at last, using the limited available experiment data, the theoretic model has been simplified into an applicable linear alternative which is suitable to homogeneous oil / water two - phase flow measurement to accomplish the oil / water two - phase flow measurement using the density wave phenomena is of highly theoretically valuable for density wave theory research as well as oilavater two - phase flow measurement research. to develop new type oil / water two - phase flow instrumentation based on this theoretic measurement method will be very applicable and promising

    在此基礎上，針對穩態密度波理論提出了基於密度波理論的油水兩相流測量理論模型，該模型以密度波傳播理論作為基礎，通過上下游傳感器信號相關獲得密度波傳播速度，利用密度波傳播速度與總流量以及持相率的理論關系結合漂移模型來求解總流量和含相率，實現油水兩相流的測量，在理論分析的基礎上，在實驗資料有限的條件下，對基於密度波理論的油水兩相流測量理論模型作了極限的簡化，提出了本文油水兩相流測量理論方法應用在測量均勻油水兩相流中的實用線性模型。
  13. Analysis is done on the change rules of liquid " s temperature along with the pipeline " s distance. the paper points out the defects of the const pressure wave velocity method and do some improvements on it : rebuilding the expressions of the pressure wave velocity in accordance with the simpson ' s rule

    分析了管道內的流體溫度隨傳輸距離而變化的規律，並指出了此規律對管道負內壓力波傳播速度的影響。指出了常負壓力波波速定位方法的局限性，並採用改進的負壓力波定位技術，將管道內的負壓力波速公式採用復化辛普森公式進行了改造。
  14. Standard practice for measuring ultrasonic velocity in materials

    測量材料中超聲波傳播速度的標準實施規程
  15. The system could measure certain distance with the reflected wave on condition in which the speed of transmitting wave is fixed

    該系統以空氣中超聲波的傳播速度為確定條件，利用反射超聲波測量待測距離。
  16. For large wavelengths, the velocity is constant

    對于長波長的波，傳播速度是常數。
  17. In the aspect of saw devices, for zno has high coupling factor, and aln has high saw velocity, if zno thin film was deposited on aln thin film, the multiplayer film has not only high coupling factor, but also has high saw velocity, which was suitable for saw of high frequency

    在聲表面波器件應用方面，由於zno具有很大的機電耦合系數，而aln的聲表面波傳播速度較高，因此若zno和aln相結合，則不僅具有大的機電耦合系數，而且具有很高的聲表面波速度，這非常適合於製造高頻聲表面波器件。
  18. The effects of observing scale on the measurements of acoustical velocity were studied by ray theory and equivalent medium theory

    分析了聲波頻率影響傳播速度的機理，給出了不同溫度不同壓力條件下聲波速度隨頻率變化關系的實例。
  19. This paper deals with the extraction of the seismic attributions, describes their physical significance, studies the relationships between seismic velocity, density and seismic attributions by using model technology, analyses geological implications of seismic attributions, and provides grounds for analysing and selecting seismic attributions in practical application

    摘要介紹了地震屬性的提取及其物理意義，通過正演模型技術研究了地震波傳播速度、密度及深度與地震屬性之間的關系，分析地震屬性的地質意義，為在實際應用中對地震屬性的分析、選取提供了一定的依據。
  20. Nondestructive testing is a very important and difficult research lesson about the defect of concrete structures. this paper mainly measures the stress waves conveying in concrete structures and the depth of surface - opening cracks in concrete plates by using impact echo method after carefully reading a lot of articles about the state and the abroad of concrete nondestructive in the field and incorporating the special conditions on the laboratory

    混凝土結構物的缺陷的無損檢測是一個非常重要而又非常困難的研究課題，本論文在大量參閱了國內外關于混凝土結構物無損檢測的研究資料后，結合本實驗室的具體條件，應用沖擊反射法集中對應力波在混凝土板塊內傳播速度和混凝土結構物內部開口裂紋深度的測量等一系列問題展開了研究。
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