波的傳播速度 的英文怎麼說
中文拼音 [bōdezhuànbōsùdù]
波的傳播速度
英文
velocity 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...
- 的 : 4次方是 The fourth power of 2 is direction
- 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
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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。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。The integral determination of rayleigh wave velocity
波傳播速度的積分確定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。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。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。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。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。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。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。The research shows that students misunderstand the relation between force and motion. gravity and action / reaction ; that in dc circuit, students of different age groups have the belief of " consumption of current ", " clashing currents " and " the battery as a constant current generator " ; that in understanding the concepts of electricity students lack th e knowledge of relating the micro with the macro ; and that students have serious difficulties in understanding the propagation of mechanics wave, the speed of wave and superposition, and do not make a distinction between the initial conditions and the medium properties of the system
具體表現在:學生對力和運動的關系、重力和平衡、作用力與反作用力存在一些誤解;對直流電路,不同年齡的學生不同程度地存在電流消耗、碰撞電流、恆定電流源等觀念,而且對電學概念的理解缺乏宏觀與微觀的聯系;學生在機械波的傳播、波速、波的疊加上存在嚴重的困難,對于機械波的傳播學生不能區分初始條件和媒質特性,並錯誤地將動力學某些觀念與機械波進行類比。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。Any homogeneous viscoelastic medium subjected to one - dimensional tension and compression can be characterized in terms of the phase velocity c ( w ) and the attenuation coefficient deduce the complex modulus and the other equivalent viscoelastic functions
一維的縱向壓縮波在同質的粘彈性介質中傳播時,材料的粘彈性特性主要通過縱向波的傳播速度c ( w )和衰減系數a ( w )兩項來定義。Furthermore using the variation principle in the elasticity, the wave - motion equation is derived in the finite deformation elastic thin rod with viscous and transverse inertia effects, and the characteristic curves and their characteristic relations are obtained by characteristic line method, and the influence of viscous and geometrical - dispersive effects on the propagation of wave is analyzed
再利用彈性力學中的變分原理,導出了同時計及粘性和橫向慣性效應時的彈性細桿的幾何非線性波的波動方程,用特徵線法得到它的特徵線和特徵線上的相容關系,分析了粘性耗散和幾何彌散效應對波的傳播速度的影響。According to fiberglass - reinforced composite material, the propagation modes of lamb wave before and after damage ' s generation is analyzed. ellipse technique is applied to determine damage location. three time delay estimation methods are compared
針對復合材料板,分析了lamb波在結構損傷前後的傳播速度;採用了橢圓技術來確定損傷位置;比較了三種不同的時延估計方法的損傷定位效果。Take the breakage of the pipe joints caused by seismic wave propagation as main damage mode ; the velocity of seismic wave propagation along the pipelines, soil - pipe interaction, and the correlation between the damage of pipe units are discussed
綜合分析了地下管道的地震破壞特徵和反應機理,提出以管道在地震波作用下的接頭損壞作為主要破壞模式;探討了地震波沿管道的傳播速度,管-土相互作用,管單元的失效相關性等問題。Vibration propagates in rail with the form of wave, its spread speed is normally a constant value, that is to say, the product of wavelength and frequency of the vibration wave is a constant
振動以波的形式向遠處傳播,振動波在鋼軌中的傳播速度是恆定的,即波的頻率和波長的乘積是一個定值。And those waves have to travel at exactly the speed of light, which was too suspicious to be a coincidence
而且這些波的傳播速度正是光的速度,這並不是巧合Expressions are first established for c ( w ) and a ( w ) in terms of the fourier transforms of the wave shapes after two distances of travel. this is the general solution of the problem
首先在對兩個傳播距離不同的波進行傅立葉變換后,建立波的傳播速度c ( w )和材料的衰減系數a ( w )兩個項的表達式,得出問題的一般結論。The principle of the ultrasonic method applied to measure elastic coefficient is by measuring the velocity of ultrasonic wave propagation in the solid material to obtain the elastic module, shear modulus and poisson ratio
摘要彈性系數的超聲檢測,即藉助固體彈性常數與超聲波波速間的固有關系,通過測量縱波及橫波在固體中的傳播速度來獲取材料的彈性模量、剪切模量及泊松比。分享友人