wave crack 中文意思是什麼

wave crack 解釋
波狀裂紋
  • 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...
  • crack : vt 1 使破裂；敲破，敲碎，砸碎（陶器等）；嗑（瓜子等）；【化學】裂化（石油等）。2 把（槍打得、鞭子...
  1. Scattering of sh - wave by a radial collinear crack at the edge of arbitrary - shape - cavity in isotropy media is studied. the solution of dsif at crack tips is obtained

    研究了各向同性介質中任意形孔邊徑向裂紋對sh波的散射，求解了裂紋尖端的動應力強度因子。
  2. Numeral results of dsif at radial crack tips of ellipse and square cavities are provided. then the influences of different shape cavities upon the dsif at the crack of their edges are discussed. 5. scattering of sh - wave by a radial interface crack at the edge of arbitrary - shape - cavity is studied

    給出了橢圓孔和方孔孔邊徑向界面裂紋尖端動應力強度因子的數值結果，討論了在不同形狀孔、不同入射波數、不同入射角和不同材料常數組合情況下孔邊徑向界面裂紋尖端動應力強度因子變化的規律。
  3. Wave propagation characteristics of cylindrical shells with circumferential surface crack

    含環向表面裂紋圓柱殼的波傳播特性研究
  4. At one time complex structure and area of weariness crack ( including whole suspension hollow axis of swivel, half suspension adopted axletree, substituting holistic grinding steel wheels for wheel - hoop compounded wheels, different wheel - axletree structure of different locomotives, different transmission chamfer machining step of axletresses and driven traction gear etc. ) centralizing make wave clutter and repeat to disturb recognition of real fault wave

    同時，由於全懸掛空心軸、半懸掛抱軸承等復雜結構車軸的使用和整體碾鋼輪陸續替代輪箍組裝式車輪，各型機車輪軸結構不同，車軸加工臺階和過渡圓角不同，從動牽引齒輪與車軸採用過盈裝配等，在這些結構復雜且疲勞裂紋產生集中的區域，探傷時極易發生波形交織和重復，難以識別真正缺陷波。
  5. ( 3 ) the transformation for turbo cycling compressor is designed in both differential pressure seal parts at the inlet and outlet and the connecting construction of the positioning key and turbo cycling compressor casing : replace wave pipe of differential pressure seal parts with asbestos jointing and improve its reliability ; jointing connection of the positioning key and turbo cycling compressor casing has been converted into screw thread connection and avoid the dangers from jointing crack

    （ 3 ）從進出口壓差密封部件和定位鍵與外殼間聯接結構兩方面入手，提出了相應的改造方案：將機組進出口壓差的密封部件由波紋管改為石棉填料函，提高了其運行可靠性；將內件周向定位鍵與外殼間的聯接結構由焊接改為螺紋聯接，避免了焊接裂紋引起的安全事故。
  6. With non - destructive testing technique ( ndt tech ), such as sound wave, electromagnetic and laser scanning, and at the same time, from the prevention - treatment ideas of tunnel health as the springboard, the healing technique is developed with pertinence to leakage and crack damage of the underground engineering supporting structure, and it has important practical value to guide the engineering practice

    結合目前主要的聲波、電磁波和激光掃面等無損檢測技術，從隨道健康的防治理念出發，開發了針對地下支護結構滲漏與裂損的康復技術，對指導工程實踐具有重要的實用價值。
  7. Numerical simulation of crack detection in pipes using ultrasonic longitudinal guided - wave

    管道超聲縱向導波裂紋檢測數值模擬
  8. Available to replace ll - 34 and mini melf, suit for reflow and wave flow solder, without crack

    ，可通過高溫無鉛迴流焊及波峰焊，不會產生爆裂現象。
  9. Elastic wave scattering of an interface cylindrical crack subjected

    多環交界裂紋面在諧振應力波作用下的動應力強度因子
  10. Seismic wave field feature of ordovician carbonate karst reservoir ( cave, reef, hole, crack and cranny ) in tahe oil field is the difference magnitude diffraction wave over weak reflection amplitude, so, the diffraction wave exact imaging and fidelity amplitude processing is the basic of carbonate karst reservoir study

    摘要塔河油田巖溶儲集體（洞穴、礁灘、孔洞、裂縫或裂隙等）的地震波場特徵是弱反射背景之上的強弱不同的繞射波，因此，繞射波準確歸位成像和振幅保持是研究巖溶儲集體的基礎。
  11. The materials by which to make orthotropic model with controlled crack parameter were attempted to develop at laboratory. shear wave splitting was observed in three different directions in small scale samples

    在實驗室內，嘗試了研製可控裂隙密度的正交各向異性模型材料，並在製作的小塊樣品的三個方向上觀測到了橫波分裂。
  12. Through the statistic and analysis of rock core crack, sonic wave velocity test, microcosmic structure of core slice observation by electron microscope, core strength test to the sampled damaged slope rock mass, it indicates that the damage degree of smooth blasting to slope rock mass has no obvious relation with blasting scale but with the line density of explosive filling and the strength of the rock in damaged area decreases evidently

    通過受損邊坡巖體取樣巖芯裂隙的統計分析、聲波速度測試、巖芯切片微觀結構的電鏡觀察及巖芯的強度試驗，發現光面爆破對邊坡巖體的損傷程度與爆破規模無明顯關系，而與光爆孔的線裝藥密度有關，損傷區巖石的強度明顯降低。
  13. The effect of cold wave, layer thickness of construct and sluice to temperature field and stress field are studied. this paper analysis the effect of the first stage cooling and the second stage cooling. pertinent measures of temperature control and crack prevention are suggested, settling the practice problems in projects

    重點研究了寒潮、澆築層厚和蓄水等對拱壩混凝土溫度場和應力場的影響；對壩體一期冷卻和二期冷卻的冷卻效果進行了詳細分析；並針對性地提出了相應的溫控防裂措施，以解決工程實際問題。
  14. Based on wave propagation theory, the wave solution of a simply supported beam with a crack is investigated

    摘要基於結構振動波傳播理論，討論了在簡諧力作用下，裂紋簡支梁的彎曲波動解。
  15. ( 3 ) we can detection the azimuth of crack growth by abnormal amplitude or the discrepancy of wave - speed. ( 4 ) we can guess whether crack contains fluids by the change of p - wave speed. second, using pore model, under press and temperature, we have studied the influences of pore density on the characteristic parameters of seismic wave

    第一、利用人工裂縫模型，研究了裂縫密度、方位和張開度的變化對地震波屬性參數的影響，根據實驗結果，總結出：可利用橫波分裂的不同程度來檢測裂縫密度的高低；可利用縱橫波的振幅、主頻、衰減（或品質因子q ）和主振幅的變化來檢測裂縫張開度的變化；可利用速度的差異和振幅異常來檢測裂縫發育的方向；可利用縱波速度的變化來推測裂縫中是否含流體。
  16. The effects of water ratio, crack, strain and temperature on the acoustic wave velocity in granite samples were investigated systematically by means of tico, an ultrasonic concrete tester

    摘要應用超聲波混凝土測試儀（ tico ） ，系統研究了含水率、裂紋、應力和溫度對花崗巖內波速傳播的影響。
  17. Some basic methods about the slot ' s electromagnetic scattering are studied and analyzed in this thesis. these methods include the quasi - static approximation formulation applied in 2 - d infinite long slot, the 2 - d slot scattering analysis based on integral equation and the method of moments, a physical basis formulation for a finite - length trough, and a quasi - static approximation combined with travel wave ' s scattering calculated scattering from a 3 - d crack. through many examples, these methods " characteristics are discussed

    本文通過不同的模型研究分析了縫隙電磁散射的多種基本演算法，包括二維無限長窄縫的準靜態公式、基於積分方程和矩量法的二維縫隙的散射分析、有限長直縫散射計算的物理基公式及準靜態近似結合行波散射計算三維縫隙的散射等，並通過算例，討論了這些演算法的特點。
  18. This author discusses the application of multi - electrode resistivity imaging method and refraction survey to find out the crack and structure in the country rock, to classify the rock according to the wave velocity, and to offer corresponding geological data for engineering design in the anjin highway exploration

    摘要在安景高速公路初勘階段，利用高密度電法及地震折射波物探方法，查明隧道圍巖裂隙、構造發育情況，根據波速對圍巖分類，配合鉆探為工程設計提供相應的基礎地質資料。
  19. The echo of single hole was high, its front was steep edge ; the echo of dense hole was connected and uneven ; the echo of crack was high and keen - edged, the bottom echo was decline in some certain ; the echo root of bird ' s net had some small wave followed

    單個孔洞反射回波高，前沿較尖銳；密集氣孔回波參差不齊，根部互相連接；裂紋回波高而尖銳，底波有所下降； 「鳥巢」缺陷的反射波根部有若干小波峰出現。
  20. Along with increase of pressure, the parameters such as velocity, amplitude, main frequency and quality factor of seismic wave change big gradually, while change very weakly with the change of temperature. through testing research for artificial crack and pore model, we conclude that crack density, azimuth, opening and the change of pore have obvious influences on speed, amplitude, attenuation ( or quality factor ) and main frequency of seismic wave etc. but, seismic wave dynamic characteristics are more evident than its kinematical characteristics for the change of crack and pore parameters. therefore, it offers reliable experiment foundation for detecting crack and pore by seismic wave kinematical characteristics ( such as amplitude, attenuation and main frequency etc. )

    通過對人工裂縫和孔洞模型的超聲波實驗研究，可以認為：裂縫密度、方位、張開度和孔洞密度的變化對縱橫波的速度、振幅、衰減（或品質因子q ）和主頻率等參數均有明顯的影響，但裂隙參數的變化對地震波動力學特徵參數（振幅、衰減、主頻率等）的影響遠遠大於對運動學特徵參數（速度等）的影響，這為利用地震波的振幅、衰減和主頻率等屬性參數進行裂縫和孔洞特徵的檢測提供了可靠的實驗基礎。
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