瞬間應力 的英文怎麼說

中文拼音 [shùnjiānyīng]
瞬間應力 英文
instantaneous stress
  • : Ⅰ名詞(眼珠一動; 一眨眼) wink; twinkling Ⅱ動詞(眨眼) wink
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • 瞬間 : moment; instant; minute; wink; in the twinkling of an eye瞬間點焊 shot weld(ing); 瞬間高壓試驗 ...
  1. Mechanics course mainly includes the description of movement of objects, the instantaneous effect of strength, spatial build - up effect of strength, temporal build - up effect of strength, nonindividual body mechanics, mechanical wave and sound, relativity, inalterability and covariability and mechanics foundation of the theory of relativity

    學主要內容包括物體運動的描述,時效的空累積效的時累積效,連續體學,機械波和聲,相對性、不變性與協變性和相對論學基礎等。
  2. The solution greatly improved the ability which brainman establishing project, being successfully applied to missile brigade

    可大大提高參謀與指揮人員制定作戰方案能和效率,實現對戰情作出動態響,有效掌握戰場的主動權。
  3. The research shows that : 1 ) the ductility of the hsc bending members constructed is much greater than 5 ; 2 ) increasing the vertical links and distribution steel can increase the deflection under ultimate moment ; 3 ) with appropriate compressive bars, vertical links and distribution steel the increase of moment after yield and the decrease of moment under ultimate moment can be ignored, so the ductility of the hsc bending member is much larger ; 3 ) the width / depth ratio of hsc bending member has no obvious effect on the ultimate compressive strain of concrete ; 4 ) the method used here to calculate the deflection is applicable ; 5 ) the location of crack coincides with the location of vertical links and distribution steel ; 6 ) the bending property of the hsc structure under the blast load can meet the demand of protective engineering

    研究表明:本文研究的梁、板構件的延性比遠大於5 ;增加箍筋(鉤筋、分佈筋)含量,可以提高壓區混凝土剝落時的撓度;在適當的受壓筋、箍筋(鉤筋、分佈筋)含量下,可以忽略壓區混凝土剝落的承載下降,從而大大提高構件的延性;受彎構件的寬高比對壓區混凝土極限變的影響不明顯;受彎構件的裂縫距受箍筋(鉤筋、分佈筋)的布置影響;文中所用的承載和變形計算方法是可行的。化爆試驗表明,高強混凝土構件的動載抗彎性能能夠滿足防護結構的要求。
  4. Principal conclusions were drawn as the following : the non compatibility of pressure or velocity of the gas on both sides of the contact surface is the cause of the formation of shock wave ; the heating effect of reflective shock wave to driving gas during charging or exhausting process is the internal mechanism of peak oscillating effect, and all the factors that influence the formation and the running of the shock wave will influence the peak oscillating frequency, cooling effect

    主要結論如下:熱分離機內激波形成的原因是射氣接觸面兩側壓和速度不相容;峰值振蕩效的內在機制為反射激波對充氣階段的驅動氣或低溫排氣的加熱,凡是影響激波形成及運動的因素都將對峰值振蕩頻率、冷效及熱效產生影響;當充、排氣時比為0 . 1763時,最佳射流激勵頻率出現在高階峰值振蕩頻率上。
  5. Abstract : there are offered many ways how to improve work of a spark plug. but one of the m ost important problems has not been solved yet. this is a thermal mode operation of a spark plug. the ideal spark plug should be instantly heated at the moment of occurrence of a spark and instantly cooled down in expectation of the foll owing electrical pulse. thus it balances between preservation of heat for self ? c leaning from scale and its removal in avoidance self ? ignition. in this article a uthor managed for this time to offer a spark plug with capability “ self ? regula tion ” of heat flux removed from a zone of ignition. essence of the offer is a t ip , which is transparent for heat flux. it is produced from single crystal of sap phire

    文摘:在如何提高火花塞的工作質量方面有多種方法,但是其中最重要的一個問題還沒有得到解決,那就是火花塞工作的熱學模型問題.理想的火花塞該能在點火的被立刻加熱,並且在接下來的電脈沖過程中迅速冷卻,由此在熱量的存儲與散發之取得平衡,以避免自點火.本文圖展示一種具有自動調節源於點火區域熱流能的火花塞,其技術的關鍵是頂部絕緣體材料,它是由藍寶石單晶製作,而非傳統的氧化鋁陶瓷
  6. Scattering of dynamic sh - wave and dynamic stress concentration problem are investigated by u - shaped lining in half space

    研究了半空馬蹄形襯砌對態sh波的散射和動集中的問題。
  7. Scattering of dynamic sh - wave and dynamic stress concentration problem are investigated by u - shaped cavities in half space

    研究了半空馬蹄形孔洞對態sh波的散射和動集中的問題。
  8. According to the theory analysis and engineering practice, the application of natural vibration features in bridge inspection is introduced. during the transient dynamic analysis of pubugou cfst arch bridge, the time history responses of the structure under uniform velocity moving load and impact load are analyzed, and the amplification coefficients of deflection and internal forces of the structure are intensively analyzed

    在瀑布溝大橋的態動分析中,模擬分析了當移動荷載以不同速度通過橋面時的時歷程動以及在沖擊荷載作用下橋跨結構的時歷程動,並對橋跨結構在移動荷載和沖擊荷載作用下的動放大系數作了較為詳細的分析。
  9. With the development of automobile industry and road transportation , the traffic accidents happen every day in the world and become a serious society problem the vehicle collision accidents are over 2 / 3 times as much as all traffic accidents they cause a large amount of social infuence and serious economic loss therefore , it is urgent to study vehicle collision accidents comprehensively and systematically , and the research also is the academic foundation to analyze and deal with traffic accident it is difficult to authenticate car velocity after traffic accident to dig over locate witness is right way mechanics is avaid tool in this field it is important to establish math model and this is precondition to calculate vehicle velocity firstly on the basis of summarizing the research results , this paper deeply discusses the calculating model to analyze the instantaneous motion state in the vehicle collision, the interrelation among the every moving mechanics parameters in the every phase of the collision secondly , according to the collinear collision and two - dimension collision and the restitution coefficient , the paper estabishesthe post collision movement models it proves that these models are correct and valid thirdly , this paper try to research reconstruction of road traffic accident and put forward the method on it

    對交通事故的科學分析是建立在正確的數學模型與計算機模擬技術基礎上的定量分析,其基本條件就是要有能正確描述事故過程中汽車狀態的數學模型,只有建立正確的數學模型,才能較準確地推定事故車輛的碰撞速度。所以建立正確地車輛碰撞模型和運動模型正是汽車事故再現的關鍵問題。本文首先在總結前人研究的基礎上,深入地研究汽車碰撞理論,分析了車對車碰撞作用狀態的計算模型及碰撞恢復系數與碰撞前、后速度的關系;其次,根據交通事故中最普遍的一維和二維碰撞的不同情況,採用恢復系數和滑動摩擦系數等概念,分別建立了碰撞后車輛動學模型;第三,對汽車碰撞事故再現進行了初步研究,確定了車對車碰撞事故模擬計算和反推計算方法,並給出相的模擬程序流程圖。
  10. Power consumption : 13a 3250w 250v 2. surge protection : 861 joules, 25, 000amps, response time less than 1ns

    2 .專業防雷保護,能抵銷861焦耳及25000安培過荷,反快於1ns十億分一秒
  11. Power consumption : 13a 3250w 250v 2. surge protection : 2, 700 joules, 75, 000amps, response time less than 1ns

    2 .專業防雷保護,能抵銷2700焦耳及75000安培過荷,反快於1ns十億分一秒
  12. A predigested car model and a reasonable bridge model were presented after the bridge structures and the colliding characters were analyzed. the stress and the displacement of the concrete, bar, pre - stress bar changing with time were presented. the stress of the whole bridge at the time of the contact and the deformation of the whole bridge at the end of the contact are obtained

    採用美國ansys公司的有限元軟體ansys ls - dyna對碰撞過程進行數值模擬分析,得到了撞擊點附近混凝土、普通鋼筋以及預鋼筋的及位移隨時的變化規律,同時得到了全橋在碰撞后分佈規律和碰撞結束前全橋的變形規律。
  13. This paper selects the pulsating wind power density spectrum of davenport and simulates the wind speed time series and the wind load time by matlab. considering the vertical and horizontal correlation of the pulsating wind, the study make use of the time domain analysis of buffeting to carry out the transient dynamic analysis of the whole frame structure which is loaded by the random pulsating wind load. finally, in terms of the whole frame of the pipe belt conveyor, the evaluation for

    選取davenport脈動風功率譜,利用matlab模擬脈動風的風速時程曲線和風荷載時程曲線,並考慮脈動風的空豎向和側向相關性,利用抖振時域法對整體機架結構進行隨機脈動風壓作用下的態動學分析,最後再對圓管帶式輸送機整體機架結構對環境風荷載的適性做出評價。
  14. The differential equation of flexible rotor operating unsteadily is also derived and solved, its transient dynamics responses under different accelerations are obtained with simulink ' s program. the amplitude, phases and advancing angular velocity of response along with rotational speed and time under different accelerations are discussed. the responding conclusions have been reached

    同時,建立了單盤轉子的態運動方程,用simulink程序求解了所建立的態方程,模擬得到了它在不同加速度下的態動,並就不同加速度下的振幅、相位、進動角速度隨時和隨轉速的響分別作了較詳細的討論,得出了相的結論。
  15. Residual stresses analysis of joints of partial transient liquid phase bonding in ceramic - metal

    金屬二次部分液相連接接頭殘余分析
  16. An application of gap element to the transient dynamics analysis of drillstring

    隙元在鉆柱態動學分析中的
  17. Secondly, the steady and transient characteristics of concentric cylinder er clutch and plane er valve are studied with the consideration of yield. it can be found that when the extra electric field is suddenly applied, non - yield region in the clutch dose not generate synchronously. there is a retardation time which becomes shorter while the extra electric field becomes stronger

    對圓桶型電流變離合器動學特性的分析發現,在離合器關閉時突加電場,流場中並未時產生未屈服區,而存在滯后時,且隨外加電場強度的增大而減小;電流變液屈服方程中,參數以2 . 0為界,和時,離合器動學特性具有顯著區別。
  18. Based on the wave equation in unsaturated soil, the dynamic response of a pile under transient torsional loading was theoretically investigated

    摘要基於己建立的非飽和土中的波動方程,研究了扭轉荷載作用下樁的動問題。
  19. If there are high temperature gradient between cool liner and hot liner, compressive plastic strain appear at that transient time, which lead to gas film wall bearing high tensile stress at high temperature. high tensile stress is one of main reasons which destroy combustor

    分析表明,起動過程中由於熱傳導滯后引發的溫度梯度可以導致火焰筒氣膜唇邊在起動發生較大的壓縮塑性變,進而使得該區域在工作時承受較高水平的拉伸,高的拉會導致火焰筒萌生裂紋。
  20. The more unfavorable assets the bank has, the slower the turnaround speed of loan bankroll will be, the more bankroll will be needed to produce ration of supply, so there would be more supply for loan currency and more pressure of gross social demand. however, the excess of liabilities on loan over net assets actually means the enterprise has consumed residents ' deposits in the form of practicality but failed to do the substantial compensation, which also means this part of deposit the urban and country residents hold go up in somke

    銀行不良資產越多,周轉速度較慢的貸款將越甚,糧食供將需要更多的貸款周轉,因此會有更多的貨幣供量和貸款的壓,更加嚴重的影響社會需求.盡管如此,超額的貸款負使得企業凈資產被耗盡,實際上就是居民存款的形式,但沒有做大量實用性補償,這也意味著這部分城市、全國居民存款耗盡
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