界限速度 的英文怎麼說

中文拼音 [jièxiànsùdù]
界限速度 英文
hump speed
  • 界 : 名詞1 （相交的地方; 劃分的界限） boundary 2 （一定的范圍） scope; extent 3 （按職業、工作或性別等...
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 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
  • 界限 : 1 （分界） demarcation line; dividing line; limits; bounds; boundary; range; limitation 2 （限度...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  1. The speed of light turns out to be nature's speed limit.

    光速原來是自然界的速度極限。
  2. In different in terne die travel, the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve. at the same time, we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally, the optimized technics parameters were used into pilot production, then the qualified oil pump stator forging were produced, the analog results were compared with those of pilot production

    論文具體分析研究了不同成形工藝過程中金屬流動的特點，並對不同凸模行程下溫擠成形過程中的金屬流動特點、坯料連皮厚度（底部高度）與溫擠壓成形工藝中的軸向界限尺寸的差值對金屬變形階段的影響進行了分析，獲得了坯料在不同凸模行程下的等效應變場、速度場等場變量及凸模行程-載荷曲線，同時對油泵定子成形過程的影響因素等進行了分析，優化並獲得了合理的溫擠成形工藝及模具參數。最後，利用模擬優化獲得的各項工藝參數進行生產實驗，得到實際生產出的合格油泵定子件，並將模擬結果與生產實驗結果進行比較。
  3. The true dimensions of a divine creativity would be unendurable for any one consciousness of whatever import ， and so that splendor is infinitely dimensionalized ( most intensely throughout ) ， worlds spiraling outward with each " " moment " " of a cosmic breath ; with the separation of worlds a necessity ; and with individual and mass comprehension always growing at such a rate that all that is multiplies itself at microseconds ， building both pasts and futures and other time scales you do not recognize

    一個神聖的創造的真正維度對任何一個無論何種意義的意識而言，都是無法忍受的，這種壯麗是無限維度化的（強烈到遍布一切） ，這同樣是意識無法忍受的，這些世界隨著宇宙呼吸的每一『瞬間』向外盤旋；因為它們相互分離是一種需要；因為個人和大眾的內涵總是以如此的速率增長，以致於一切全有每一微秒都在增殖它自身，建構過去和未來，以及你們並不知曉的其他時間量度。
  4. The equipment is made up of oil pump set ( driven by gasoline engine 、 electric motor or manpower ) 、 3 - stage telescopic jack 、 horizontal displacement set 、 rescue riggings etc. according to the railway accident, the equipment can rerailing the derailed wagon 、 overturn them out of demarcation or horizontal displace them out of demarcation. the equipment has the characteristics of rapid rate 、 easy operation and high reliability etc. the equipment is suit for railway rescue team to deal with complex derailing accidents and it ' s an efficient implement for improve rescue ability of railway rescue team

    該機具由泵站（手動或機動） 、三級千斤頂頂升裝置、橫移裝置、臺車索具等組成，根據現場事故情況，可選擇將事故車起復復軌、整體翻出限界、整體移出限界，具有省時速度快、操作簡便、安全可靠等特點，適合救援隊處理較復雜的車輛脫線事故，是提高救援隊能力的一種有效工具。
  5. Fist ly, use mass equivalent method to predigest the original rotor system. secondly, use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi - tray rotor bearing system by matlab language. thirdly. finish program the unbalance response using riccati - transfer matrix arithmetic and finity buck arithmetic. fourthly, answer to the high vibration of uncontroled system when cross the critical speed, come out to adopt changing clearance damper bearing to control the viberation

    本文對多柔盤轉子-支承系統的振動現象做了以下初步探索：用質量離散化方法把原轉子系統簡化；採用matlab語言編制了對傳遞矩陣法計算多柔盤轉子-支承系統的臨界轉速；用matlab語言對riccati傳遞矩陣法和有限元法編制了程序計算系統的不平衡響應；並針對其過臨界轉速時振動較大的現象，提出採用變間隙控制油膜剛度和阻尼，從而使原系統的在特定轉速（臨界轉速）的一段范圍內不平衡響應減小；並從被動控制與主動控制兩方面進行數值模擬，取的了較好的控制效果。
  6. There are two implementations for discrete reaching law, both has obvious strongpoint and limi - tations. so the two was synthesized. simulation results showed that the discrete vsc is easier to be implemented by computer control system, and go further in decoupling between chattering control and system dynamics, while the robustness is not so good as continuous time vsc

    本文的另一項工作是在連續系統的基礎上，討論了離散時間變結構控制策略和抖振控制，針對控制量加速度不足，提出了離散趨近律的兩種實現方式，由於兩種實現方式同樣具有明顯的優缺點，因此將兩種方式結合起來，增加了兩個與滑模面平行的切換面作為系統在兩種方式之間切換的界限，並通過計算機模擬驗證控制效果。
  7. The impact tests were carried out at the mid - span, and internal pressures of ompa, 5mpa, lompa and 15mpa were used in addition to the tests with water. the critical energy of perforation and the ballistic speed was measured, and the various types of rupture were identified from the section of the test specimens. force - time curves and internal pressure - time curves were obtained from experiment

    實驗中記錄了沖擊力時程曲線和內壓時程曲線，測量了鋼管軸向和周向橫截面的變形，得到了不同工況下的破壞模態、臨界穿透能量以及彈道極限速度，並找到了臨界穿透能量隨內壓的變化規律。
  8. Equations of mesh, shorting contact line, undercutting limit line, meshing limit lines and the existence conditions, angle between the direction of relative speed and the direction of contact line, induced normal curvature about every point on the contact line are established. moreover, the paper also theoretically analyzed the error of the grinded gear surface. on the basis of the theory, the computer program is worked out to automatically produce the contact line and the boundary curves of mesh. analysis of meshing circs under different parameters can be done so that we can gain the best process condition

    首先對漸開面二次包絡理論進行了深入的探討，推導出了兩次嚙合的嚙合方程式、瞬時接觸線方程式、根切界限線方程式、嚙合界限線的方程式及其存在條件，相對運動速度方向與接觸線方向的夾角及接觸線上各點的誘導法曲率；此外，還對磨齒后工件的齒面誤差進行了理論分析；並在理論基礎上編制了相應的計算機程序，自動生成接觸線族及嚙合界限線，對不同參數條件下的嚙合情況進行分析，可以使工藝條件達到最佳狀態；最後研究了磨齒裝置，設計了磨齒機的傳動系統。
  9. Tooth surface equations and contact line equations of the involute worm gearing are established according to its machining methodology. meshing characteristics in rigidity condition are studied. these characters include the inductive normal curvature along the contact line on the worm surface, the first and the second limit lines during the engage of the worm gear, and the influence of the intersect angle between the contact line the relative velocity of the worm and the gear on transmission performance

    根據漸開線圓柱蝸桿傳動的創成方法，建立了漸開線圓柱蝸桿和蝸輪的接觸線方程式、齒面方程式，分析了漸開線圓柱蝸桿傳動的剛性嚙合特性，如蝸桿與蝸輪嚙合時的誘導法曲率、一類界限曲線、二類界限曲線和蝸桿與蝸輪間相對速度方向和接觸線方向的夾角對傳動性能的影響； 2
  10. At first, the finite element formulation is presented to determine the flutter characteristics of laminated panels at elevated temperature. then both the linear and nonlinear panel flutter characteristics are analyzed. the panel flutter boundaries are finally determined and the effect of temperature, airflow speed, etc, on the panel flutter characteristics is analyzed

    為此，本文首先建立了復合材料壁板熱顫振的有限元模型並對受熱壁板的線性和非線性顫振特性進行了研究；最後確定了壁板的顫振邊界，分析了溫度、來流速度等因素對壁板顫振特性的影響規律。
  11. Research on surface and grain boundary passivation mechanism obtained effects of surface recombination on crystalline silicon solar cell performance and the theoretical expression of grain boundary recombination velocity. the limit ratio of short - circuit current increment for anti - reflection coating utilization on solar cells was obtained. the crystalline silicon solar cell spectral response, contact resistance and minority carrier lifetime measurement systems were established

    鈍化機理研究獲得了表面復合對不同表面摻雜濃度晶體硅太陽電池性能的影響、表面和界面復合速度的理論表達式；研究得到了減反射膜對太陽電池短路電流增量比的極限；建立了太陽電池光譜響應、柵線電極接觸電阻和少子壽命等測試系統。
  12. This system makes a breakthrough of traditional incremental motion control theories. it breaks the strict ambit between continuum and discrete, speed and position, rotation and step, the space vectors of stator magnetic field and rotor magnetic field are selected as the main control objects, incremental motion control and motion control are combined organically to make incremental motion control develop to large capability, high efficiency, high precision

    這其中的交流步進控制理論打破了傳統的增量運動控制思想，打破了連續與離散，速度與位置，旋轉和步進的嚴格界限，以定、轉子磁場空間矢量為主要控制目標，將增量控制與運動控制有機的結合起來，使增量控制向大容量、高效率、高精度方向發展。
  13. The experiment results show that this algorithm is insensitive to the circumstances such as scan background, document layout and line spacing, and the skew angle can be detected rapidly and accurately

    實驗結果表明，該傾斜檢測方法不受掃描背景、邊界大小、文本布局及行間距等情況的限制，具有速度快、精度高、適應性強的特點。
  14. On the basis of this velocity field and the optimization theory, the segmented displacement of the boundary of the studied area are deduced with two - dimensional finite element model of linear elasticity

    利用這個速度場，通過構建該區二維有限元模型，結合最優化原理，反演區域分段邊界位移。
  15. At the same time, the mathematical models of the electric field and the flow field distribution were established from the theory of electrostatic enhancement of heat transfer. employed finite differential method and over - relaxation iteration method, according to certain boundary conditions in the wire - plate electrode space, the electric field and the flow field in the wire - plate space were numerically simulated under different initial velocities of r11 stream and different magnitudes of applied voltage. the calculation results agreed with theoretical analysis satisfactorily

    同時從靜電強化換熱理論出發，建立了表徵線板電極間的電場和流場分佈的數學模型，並根據線-板電極間的邊界條件，利用有限差分法和超鬆弛迭代法，分別就不同氣流初速度和不同外施電壓的情況下，對線-板空間的電場和流場進行了數值模擬，計算結果與理論分析基本一致。
  16. It was possible to demonstrate by other methods refined structural differences among neuron types ; however, proof was lacking that the quality of the impulse or its conduction was influenced by these differences, which seemed instead to influence the developmental patterning of the neural circuits

    神經細胞中所顯示的諸如在尺寸，形狀，化學，神經脈沖中傳導速度，激發界限等方面的那種變化差異對多方面的精神感受可能有聯系來說仍然意義不大。
  17. With the development of economy globalization and information technology, economic form breaks through the three tradition demarcations on industry, and appears the development trend of high osmosis and diversification among industries. the enterprise expands faster and faster, and its scale becomes bigger and bigger, development of modern enterprise begins to appear the characteristics of structural complexity : the composite structure replaces the simple structure, the collectivizing operation becomes the new model of enterprise growth ; multi - units management replaces the single management, business coordination becomes the new source of enterprise growth ; speed economy replaces scale economy, sustainable development becomes the new content of enterprise growth ; cooperation competition replaces absolute competition, and the structural opening becomes the new choice of enterprise growth

    隨著信息技術的飛速發展和經濟日趨全球化，經濟形式突破了傳統的三次產業的界限，產業間呈現高滲透、多元化的發展趨勢，企業擴張越來越快，規模也越來越大，現代企業發展中的結構復雜性特徵開始顯現：復合結構取代簡單結構，集團化成為企業成長的新模式；多元經營取代單一經營，業務協同成為企業成長的新源泉；速度經濟取代規模經濟，持續發展成為企業成長的新內容；合作競爭取代完全競爭，結構開放成為企業成長的新選擇。
  18. ( 3 ) on parallel computing of the third generation ocean general circulation model from lasg / iap i ) we present an optimization model by multi - overlapping - boundary for parallel explicit integration with finite difference discretization, and point out that the gap between speed of network and cpu makes it a practical technique. we compare the parallel characteristics of spectral element and finite difference from the point of view of communications, communication - to - computation ratio and scalability

    （ 3 ）關于中科院大氣物理研究所第三代海洋環流模式的高效并行計算? ）基於對有限差分離散的分析，提出了一個面向顯式時間積分并行計算的多重疊國防科學技術大學研究生院學位論文邊界優化模型，指出了網路速度與處理器速度間的落差使得採用冗餘計算取代部分通信成為一種具有相對優勢的實用技術。
  19. Taking the results as boundary constraint and the velocity field of horizontal movement after transforming reference frame as the load of fem node, the velocity field of horizontal movement in the region is simulated, the principal strain rate field and maximal shear strain rate field are calculated, the variety characteristics of the two rate fields and relation between the variety characteristics and strong earthquake preparation are analyzed

    將反演結果作為邊界約束並將變換參考框架后的水平速度場作為有限元節點載荷，模擬區域內部水平運動場並計算其主應變率場、最大剪應變率場，以分析這兩個時段中這兩種場的變化特徵及其與地震孕育之間的關系。
  20. The paper analyzed the influence factors about dying properties of jujube based on experiments, determined the lowest and highest value of temperature and humidity in drying process on jujube, compared the drying rate of before and after intermission in the intermission drying process, and reached a conclusion that drying rate increase distinctly in initial drying process after intermission

    摘要以試驗為基礎分析了影響蜜棗乾燥特性的因素，確定了蜜棗乾燥過程中溫度、濕度的最高、最低界限；對間歇乾燥過程中間歇前後的乾燥速率進行了對比，得出了間歇後開始乾燥時乾燥速率明顯提高的結果。
分享友人
分享到 Line

分享到臉書