瞬變流動 的英文怎麼說

中文拼音 [shùnbiànliúdòng]
瞬變流動 英文
transient flow
  • 瞬 : Ⅰ名詞（眼珠一動; 一眨眼） wink; twinkling Ⅱ動詞（眨眼） wink
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 流動 : 1. （液體或氣體移動） flow; run; circulate 2. （經常變換位置） going from place to place; on the move; mobile
  1. Slightly dab your face, instantly making the dry and hard skin soft and smooth, become more clean and fresh. supercritical hydro - extraction technology, enhanced absorption, fully moistening your skin from inside out

    輕拍于面部，瞬間使乾燥發硬的肌膚變得柔軟嫩滑，笑容也生動起來；超臨界流體萃取技術，增強吸收效果，肌膚從內到外充分潤澤。
  2. The caution message cut the flight short, but we still managed to perform some of the planned maneuver blocks, which included throttle transients and one - half stick and pedal inputs

    這個警告信息使得飛行時間被縮短了，但我們仍然安排完成了一些計劃中的飛行動作，其中包括節流閥瞬變、半桿操作和方向舵操作。
  3. By use of - perturbation method with spatial discretization, the hydraulic transient system controlled by quasilinear partial differential equation was converted to a time - continuous linear system, so that the inverse problem of hydraulic transients under limited pressure could be sol ed with the optimal control theory for time - continuous systems

    採用-攝動法並經過空間離散，將由擬線性偏微分方程式控制制的有壓瞬變流系統轉化為時間連續線性系統，從而使有壓瞬變流限壓控制反問題能應用時間連續系統最優控制理論來求解。
  4. The primary of linear induction motor which drives the metro is installed on the chassis bogie, and because it is quite strict with laying down railway rail to use flat linear induction motor to drive metro, its secondary - - - - reaction board ( called induction board ), which is a kind of compound board of aluminum and steel, is fixed on the rail sleeper between the track. it is the airgap which is a gap between the primary and secondary of lim. the electromagnetic airgap is a very important parameter of lim

    利用有限元法對直線感應電動機二維非線性渦流場進行了數值計算，並在此基礎上，運用電磁場有限元分析的專用軟體ansoftmaxwell2d對單邊型直線感應電動機的瞬態特性進行了模擬分析，得到電機運行過程中的電磁推力、法向力、初級電流、氣隙磁密等曲線，通過改變直線電機參數，分析了電機氣隙對其瞬態性能的影響。
  5. A radioactive particle moving in a blood stream causes transient changes of dose rate near its path.

    當一個放射性物質在血流中移動時在它的路徑附近引起劑量率的瞬間變化。
  6. The curves represent the ever - changing demands of its customers. the red colour represents ipm s service with heart

    球體上流動的波浪條紋表示瞬息萬變的客戶需求，而紅色的線條代表國際物業管理將會以誠懇的態度帶給客戶與時並進的服務。
  7. The main circuit is consisted of 18 thyristors circuit and protection circuit. with the help of control subsystem, it can get the output of low frequency voltage ( current ) with the shape of sine wave ; the core of the control subsystem is the cpu of 87c196kc, and the synchronization circuit, the pulse - widen circuit, and the power - enlarged circuit form the accessorial subsystem of the control system. it possesses all the functions of digital triggering, digital tuning, analog / digital conversion ; the input transfer can isolate the input and output ; and the circumfluence reactor can reduce the circumfluence

    主迴路採用由18個晶閘管組成的三相零式電路，並輔以晶閘管的保護電路，通過控制可以得到低頻正弦波的電壓（電流）輸出；控制迴路主要以87c196kccpu為核心，其外圍電路包括同步電路，脈沖拓寬電路，功率放大驅動電路等，完成了數字觸發、數字調節、模數轉換等功能；進線電源變壓器具有變壓和隔離作用；環流電抗器則實現了有效抑制主迴路瞬時脈動環流的功能。
  8. Taking dc motor test as an example, a creative idea of applications of some advanced signal processing tools, such as time - frequency analysis, wavelet, and instantaneous frequency ( if ) evaluation, in motor testing field is presented. the paper systematically summarizes basic theories of time - frequency analysis and wavelet transform based on which an in - depth research of effective if evaluation based on wavelet ridge and wavelet curve is carried out. in the end a fast t - n characteristic testing system with neither torque nor speed sensor is successfully developed

    本論文主要關注小波分析在電機性能自動測試系統中的應用，針對傳統電機測試系統以及信號處理技術在電機測試領域中應用的不足，以直流電機為例，提出了將時頻分析、小波包變換以及基於小波脊的瞬時頻率提取方法應用到電機測試領域的新思路；較系統地總結了時頻分析和小波變換的基本理論，深入探討了基於小波脊線和小波曲線的瞬時頻率提取，並成功開發了基於正交小波包分析和基於小波脊線的瞬時頻率提取的無轉矩轉速傳感器的直流電機快速測試系統。
  9. The algorithm is also applied in the broken rotor bars detection in squirrel cage induction machines, which is dependent on detecting the twice slip frequency modulation due to the speed or torque in the stator current, and the rotor bar faults can be detected effectively without some preprocessing

    指出可以利用信號的小波脊線來提取頻率隨時間連續變換的信號的瞬時頻率，並將該瞬時頻率提取演算法成功地應用到異步電動機定子起動電流信號的分析中，有效地提取出了轉子斷條故障特徵。
  10. The wet natural gas in transmission pipeline assumes two phase of gas and liquid, so its flowing always assumes a slow transient flow state

    在實際運行中，濕天然氣在輸送管道中存在氣液兩相，因此管道中的流動總是處于慢瞬變流動狀態。
  11. Based on the theory of fluid dynamics. transient - flow and vibration, the structure parameters of the air - volume ( such as the volume and position of the air - volume ) affect the pressure oscillation in piping system is put forward, and the designing method for the parameters of the air - volume according to the role of the air - volume is provided

    本文根據流體力學、瞬變流以及振動學的理論，研究了管道系統中空氣室結構參數（空氣室的容積，安裝位置等）對壓力脈動的變化規律，提出了根據空氣室工作任務要求設計空氣室的計算方法。
  12. The pid control of output voltage feedback is easy to give attention to static and dynamic performance of the control system. output performance of inverter of ups is improved when rms of output voltage feedback is added to pid control system. the hardware and software is designed in order to achieve the digital pid control of inverter of ups

    設計了用於逆變器數字化控制的采樣調理電路，結合tms320f240的硬體資源，通過軟體實現了ups系統的緩起動和市電跟蹤，並改進了逆變器電壓瞬時值控制，通過引入輸出電流中心值檢測，對反饋電壓進行補償，解決了逆變器輸出的偏磁問題。
  13. The major research areas of a ship against non - contact underwater explosion include four sectors, namely, ( 1 ) the characteristics of fluid field disturbed by an underwater explosion ( loadings of underwater explosion ) ; ( 2 ) the analysis of transient fluid - structure interactions, and the corresponding dynamic responses of the ship ; ( 3 ) safety assessment of the ship structure undertaking the elastic - plastic dynamic responses ; and ( 4 ) determination of the shock environment imposed on the shipboard equipments, and evaluation of shock protection design

    即非接觸水下爆炸的流場特徵（水下爆炸載荷） 、瞬態流場與結構相互作用所決定的艦船動響應分析方法、以彈塑性動變形響應分析為依據的艦船結構水下爆炸安全性評估與防護技術、以船體結構動響應為輸入條件的船用設備沖擊環境的確定方法及相應的設備抗沖擊設計分析方法。
  14. On the base of the whole model structure, it realized the dynamic display of the transient fluid parameters in the conduit according to data available

    在整體模型構建的基礎上，根據試驗數據和計算數據，實現了輸水系統中流體瞬變物理量的動態的演示。
  15. Review on active control strategy of transient flow in pipeline

    管道瞬變流動主動控制策略研究綜述
  16. Valve adjustment is a indispensably sector for pump system running, and it will bring transient flow to the system under some conditions

    閥調節是泵系統運行過程中不可缺少的環節，在一定條件下，調節會使系統發生瞬變流動。
  17. The results show the moment developing course of flow over flat wall and the evolvement of coherent structure, and also completely simulate all kinds of detail processes in development of boundary layer over flat wall, such as the generation and rise of low - speed stream, the extension and rupture of horse - hoof - shaped vortex and so on

    模擬結果給出了平壁流動的瞬態發展過程以及流動中擬序結構的發展演變過程，成功地模擬了平壁邊界層發展中的各種瞬態細節過程，如低速條帶的產生、上舉過程，馬蹄形渦的拉伸變形、破裂過程。
  18. 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力學特性的分析發現，在離合器關閉時突加電場瞬間，流場中並未瞬時產生未屈服區，而存在滯后時間，且隨外加電場強度的增大而減小；電流變液屈服應力方程中，參數以2 . 0為界，和時，離合器動力學特性具有顯著區別。
  19. The neutral gas pressure is smaller where electric fields is stronger, which is independent of the instantanious electric polarity of the electrode and cause gas flow from high pressure region to low pressure region. so flow can be accelerated if electric field is properly adjusted, which is the mechanism of the active flow control

    場強越大的區域氣體靜壓反而越低，而與瞬間電極的極性無關，導致了氣體從高壓區到低壓區的流動，因此只要適當改變電場的分佈就可以使氣體產生加速，這就等離子體主動流動控制的加速機理。
  20. But technology is usually a two - side sword, web media brings the human being much benefit ; at the same tune, it seems as if opening the padola box, its " negative effect is obvious : the direct of the public opinon is not clear ; the deed of violating power off often happens ; fictitious news and fithy information are flooding. information trans ceding the region and the national boundaries makes the opion of ethics between the west and the east communicate and collide. at the same time, international media produces a new monopoly

    但是，技術從來都是一把「雙刃劍」 ，網路傳播在給人類生活帶來巨大便利的同時，也如同打開了潘多拉的盒子，其負面影響日益顯著：輿論導向模糊；侵權行為頻繁發生；虛假新聞和色情信息泛濫；信息的超地域、超國界流動使得東、西方倫理觀遭遇空前的交流和沖撞，國際傳播產生新的壟斷… …網路技術飛速發展和信息流動的瞬息萬變使得上述倫理沖突幾乎是在一夜之間凸現出來。
分享友人
分享到 Line

分享到臉書