crack speed 中文意思是什麼

crack speed 解釋
開裂速度
  • 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...
  • speed : n 1 快，迅速。2 速率，速度。3 （汽車的）變速器，排擋。4 （膠片，照相紙）感光速度。5 〈古語〉興隆...
  1. The familiar defects of powerful spinning have been listed, such as crack, rising skin, gluing knot, piling, speed bulge, the wound inside the wall, expanding etc. with analysis of the cause and probing into treatments according to the basic fondant and spinning craft parameters

    摘要列舉了強力旋壓常見缺陷，例如裂紋、起皮、堆積、粘結、鼓包、內壁劃傷、擴徑等，分析了產生的原因，針對坯料和旋壓工藝參數，簡要探討了應對措施。
  2. Those of multi - span, middle - length ( about 25 - 40 metres ) are of large percentage among advanced bridges. simply - supported girder bridges with continuous decks are inferior to those of continuous girders because their decks crack easily. owing to the complex construction of continuous girder bridges, which is laboursome and time - consuming, people have been thinking about an approach to combining the advantages of the two so as to speed up the building and reduce the work procedures

    在高等級公路橋梁中，多孔中等跨徑（跨徑在25 40米左右）的橋梁占很大的比重，橋面連續的簡支梁結構體系由於存在橋面容易開裂等缺點而在與連續梁結構體系的競爭中常常處于下風。
  3. The discrepancy settlement control criterion relates to several aspects such as the placidity and comfort of driving at high speed, smooth drainage, and the crack which may occur during or after widening process

    差異沉降的控制標準涉及眾多因素，包括拓寬過程中及拓寬以後高速行車的平穩性、舒適性、排水的暢通以及新老路基間裂縫的開展等多種因素，其中高速行車的平穩性為主要因素。
  4. And then electroplate nickel - sealing with solid particulate, which is to make micro - crack chromium when electroplating chromium again, this can avoid unsmoothness, and slower corrosion speed, as a result, improve defence performanc e

    再鍍一層含有固體微粒的鎳封，令到再鍍鉻時形成微孔鉻，從而防止產生大而深的直貫基體金屬的少量腐蝕溝紋和凹坑，向橫向發展，減緩了穿透基體的腐蝕速度，進一步提高了防護性能。
  5. Experiment study of high - speed photography of crack development in fracture control blasting

    斷裂控制爆破裂紋擴展的高速攝影試驗研究
  6. Testing results are analyzed, then the boundary condition ( the heat transfer coefficient of and the water density ) for computer simulation is acquired. through simulation in computer using the all - purpose computer simulation software secondary cooling in slab continuous casting and test results, the influence of the factor such as casting speed, casting temperature, shell thickness and secondary cooling system are analyzed. the secondary cooling system is evaluated, the reasons of crack are analyzed

    應用模擬軟體和實驗數據對寶鋼1930鑄機進行了模擬計算，分析了拉速、配水制度、過熱度對鑄坯溫度場和坯殼厚度的影響；對寶鋼1930鑄機的二冷制度進行了評估，分析了產生裂紋的原因；並對二冷制度進行優化，提出了改進建議。
  7. The technique of dam construction by weakly expansive concrete added with magnesia ( wecam ) is a new technique developed in china, in which appropriate light - burnt magnesia is added to dam concrete when produced to generate a special delayed expansive stress to compensate shrinking stress due to decrease of temperature so as to prevent concrete cracks. it not only is in favor of simplifing the method of temperature control and an effective solution to the crack problem of concrete dam, but also simplify the technology of dam construction and bring down the project cost, further more, speed greatly up the construction of concrete dam

    外摻氧化鎂微膨脹混凝土築壩技術是指在生產大壩混凝土時，摻入適量的輕燒氧化鎂，利用其特有的延遲膨脹補償混凝土壩的溫度應力，以防止混凝土壩產生的裂縫，這不僅有利於簡化溫控措施，有效地解決混凝土壩的開裂問題；而且簡化了施工工藝，降低了工程造價，大大了加快施工進展。
  8. The company has the nb 26b turbulent flow crack detector and the nc 11 turbulent flow crack detector, the hydraulic pressure testing machinery, the wf 600 multi - purpose testing machinery, the metallographic examination equipment, dfy 12 carbon and sulfur autoanalyzer with high speed

    公司擁有nb26b型渦流探傷儀和nc11型渦流探傷儀，水壓實驗機， we600萬能實驗機，金相檢驗設備， dfy12高速定碳定硫自動分析儀。
  9. The results show that there exists such nonlinear dynamical phenomena as chaos ang quasi - period movement when the rotational speed, mass eccentric and a synthesizing parameter of the system change. from different point of view, the chaotical phenomenen induced by double period bifurcation is found. in this paper, the dynamical model of bearing - elastical rotor with a cross - section of crack is estabilished

    結果表明，在這一非穩態油膜力模型下，在轉速、無量綱偏心及一包含諸多因素的綜合參數的變化過程中，在很大的范圍內，系統運動都會出現由不斷倍周期分岔導致的混沌現象和概周期運動。
  10. By parameter analysis, reflective crack ' s propagation potential and speed are also cleared

    通過參數分析掌握了不同結構組合對反射裂縫擴展潛力及擴展速率的影響。
  11. At last, reflective crack ' s propagation speed of different pavement structural combination was analyzed too

    最後運用paris公式對不同結構組合的路面進行了反射裂縫擴展速率的計算。
  12. It is proved that polypropylene fiber concrete performs well in resisting impact, abrasion and crack, and thus well applicable in sandy flow region characterized in high speed and turbulence, such as the filling & emptying culvert of shiplock, etc

    表明聚丙烯纖維混凝土具有良好的抗沖耐磨性能和抗裂性能，可較好地應用於船閘輸水廊道等處于高速、紊亂、含沙水流區。
  13. Abstract : in this article, the optimization of surface crack detection of speed reducer gear was made using fuzzy set theory, the result show that the rotation magnetic field is the best way of surface crack detection and lots of extending surface fatigue cracks were found in practice

    文摘:採用模糊集的貼近度計算對齒輪表面探傷方法進行了優化選擇，表明旋轉磁場探傷是齒輪表面探傷的最佳方法，在實用中檢測出大量的正在延伸擴展的表面疲勞裂紋。
  14. ( 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。
  15. Now for a long time, it has been very popular lhat the cracks from the cornmodity concrete and high shump concrete appear during constructions. in addition, the thermal release speed of the cement is comparatively much fester than that in the past, causing the problem of the thermal crack in the mass concrete rnore serious

    目前建築施工中普遍使用的商品混凝土和大坍落度混凝土的開裂現象一直比較普遍，加之現在所生產的水泥放熱速度較過去大為提高，這使得大體積混凝土的溫度裂縫問題日益突出，已成為普遍性的問題。
  16. 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。
  17. Bruce went into a low gear and drove at a terrifying speed, keeping the front wheels astride the crack as he followed its zigzag course

    布魯斯掛上慢檔，把兩只前輪分別擱在裂縫的兩邊，順著彎彎曲曲的裂縫，以發瘋的速度向前開去。
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