駐點 的英文怎麼說

中文拼音 [zhùdiǎn]
駐點 英文
arrest point
  • 駐 : 動詞1. （停留） stay; halt; stop 2. （住在執行職務的地方; 設在某地） be stationed; encamp
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  1. Ablation performance and mechanism of 3d c c composites

    復合材料的電弧駐點燒蝕及機理分析
  2. These saddle points represent points of stagnation of the current flow.

    這些鞍點代表電流的駐點。
  3. We are seeking a stationary point.

    我們要尋求的是駐點。
  4. The thermal visualizations of jet impingement cooling with single or double row holes inside semi - enclosed channel are measured by using infrared camera and then the impingement cooling heat transfer coefficients are deduced. the effects of flow and geometry parameters on convective heat coefficients are obtained. the results show that : for a single row normal impingement, the impingement cooling effectiveness is enhanced with the increase of impinging reynolds number or the decrease of hole space to diameter ratio, and the best effectiveness is achieved under the jet - to - surface spacing equals to 2 ; when the jet is oblique to the confined wall, the cooling effectiveness is weaken especially under the jet - to - surface spacing ratio is greater than 2 ; for double rows normal impingement cooling, the cooling effectiveness of rear row jet is weaker than the front row under lower impinging reynolds number or bigger jet - to - surface spacing

    對于單排垂直射流，沖擊冷卻效果隨射流雷諾數的增加、孔間距與直徑比的減小而得到提高，沖擊間距比為2時換熱效果最好;沖擊孔中心線向通道封閉一側傾斜后，射流沖擊冷卻的范圍變窄，當沖擊間距比大於2時駐點區的對流換熱能力明顯降低;對于雙排沖擊射流，孔排間距與直徑比的增加使沖擊冷卻范圍變大，但在兩排孔之間區域的對流換熱系數有所下降;在較小的沖擊射流雷諾數和較大的沖擊間距比下，後排射流的沖擊換熱效果要遜於前排射流。
  5. Micro - jets impingement cooling heat sink is used to cool the high power lda owing to the very thin hydrodynamic and thermal boundary layers in the impingement region when a jet impinges on a surface. reasonable array of jets can develop the uniform of temperature distribution on target very much

    微射流陣列冷卻熱沉，是利用射流沖擊在駐點區能產生很薄的邊界層來提高換熱效率的，合理的布置射流孔，可以極大的提高被冷卻表面溫度分佈的均勻性。
  6. For both newtonian flow and non - newtonian flow, the vortices are generated when the waviness of the bottom profile is beyond a critical number. by increasing the waviness, a second vortex can be generated. with the increasing of reynolds number, the symmetry of the streamlines at re = 0 is destroyed and the vortices are sloped and become larger

    當波形板的波動度超出臨界值，波形板壁面上的流動出現流線分離，流動中有渦生成;增大波動度，流動中出現第二個渦; re = 0 ，流線在流場中對稱分佈;雷諾數增大，流線駐點在水平方向出現位置偏移，渦的范圍增大;對于非牛頓流體，隨著剪切變稀指數的減小，渦的作用范圍減小。
  7. The key factors affecting the stagnation point position of l - type pipeline section are the setting position of bellows type expansion joint and the bend angle degree

    影響水平轉角管段駐點位置的主要因素為波紋管補償器設置位置、彎頭角度。
  8. The calculation of stagnation point position of straight pipeline section with both movable ends and l - type pipeline section with bend at one end and bellows type expansion joint at other end is discussed

    摘要探討了兩側為活動端的直管段及一側活動端為彎頭，而另一側活動端為波紋管補償器的水平轉角管段駐點位置的計算。
  9. Abstract : approximate methods for calculating aerodynamic heating rates on space shuttles are discussed. various methods are given for predicting the heating rate at axisymmetric stagnation points, general three dimensional stagnationpoints and the leading edge stagnation point of wings. numerous laminar and turbulent heating techniques for flat plates and cones are analyzed and compared. a brief review of some methods is presented to predict heating rate for winward centerline and lateral direction off the symmetry plane. the results show that the methods are simpler and can guarantee enought precision for predicting aerodynamic heating environment of space shuttles

    文摘:介紹了國內外預測航天飛機氣動加熱的工程計算方法.給出了軸對稱、非軸對稱和機翼前緣等各種外形駐點熱流密度的計算，分析和比較了平板、錐體的層流和湍流熱流密度計算的各種方法，概述了航天飛機迎風面中心線和離開中心線橫向熱流密度的計算.計算結果表明，本文方法用在航天飛機氣動熱環境初步設計中比較簡單並且有足夠精度
  10. In the thesis the low drag - low noise optimization of the vehicle main form design is realized, main accomplishments are as follows. researched the knowledge of drag and flow noise, the parameters of the boundary layer are calculated by the hess - smith method and boundary layer momentum integral method. the calculation of the length of transition zone and change in boundary layer displacement thickness between laminar and turbulent states in the transition is improved, then the drag coefficient and self - noise from the transition zone are calculated as the objective functions of the optimization

    主要研究內容和成果如下：對航行器繞流流場進行分析，深入研究了阻力和流噪聲產生機理，建立了阻力系數和自噪聲的評估數值計算模型；採用物面分佈源匯法和邊界層動量積分法對繞流流場的流體動力參數進行計算，改進了轉捩區長度和邊界層位移厚度的計算，應用於航行器頭部駐點自噪聲的計算；最後設計了阻力系數和自噪聲數值計算程序模塊。
  11. Martin ( ref. 36 ) proved the equivalence between some invexity and the case that every stationary point or kuhn - tucker point is a global minimum point for unconstrained or constrained scalar programming

    Martin在文獻[ 36 ]中，證明了無約束或約束單目標規劃中某類不變凸性與每個駐點（或k - t點）即為全局最優點的等價性。
  12. The spot operation : provide to halt some type service with the form of the office, fixedly adjust one degree personnel fixs the spot manager, carry each link within process to link up with the operation assurance of norm perfect

    現場操作：以辦事處形式提供駐點式服務，固定調度人員固定現場管理人員、以規范的操作保證運過程中的每個環節的銜接完善。
  13. The main numerical method of this code is coming from scheme ( jameson, schimit and turkel ) : using cell - centered finite volume method as spatial discretization tools, and a system of ordinary differential equations for time variable is obtained, which is solved by utilizing five - step runge - kutta scheme as time marching method, introducing artificial dissipation to damp high frequency oscillations near the shock and stagnation point

    本論文採用歐拉方程作為控制方程，利用中心有限體積法進行空間離散，得到對時間變量的常微分方程組，採用龍格庫塔多步法進行時間積分，加入人工粘性以消除激波和駐點附近的壓力振蕩等方法來對naca0012翼型的實際流動進行并行數值模擬。
  14. The method of prediction the discharge coefficients of film cooling holes on the turbine blade suggested by d. a. rowbury et. al has been improved in this paper to fit the computations in the cases of low pressure ratios and the holes in leading edge region especially. the effects of external cross - flow, hole geometry and reynolds number in the hole were taken into account. an additive loss coefficient method is subsequently applied to the test data in order to assess the effect of the external cross - flow

    Rowbury等提出的流量系數工程演算法進行了改進，計算結果和實驗數據的比較表明改進后的新模型使低吹風比和前緣駐點附近流量系數的計算得到了明顯的改進，而在高吹風比下仍能保持與實驗數據相符，這種演算法有可能成為低壓比情況下型面氣膜冷卻的一種通用設計方法。
  15. We also provide engineering services for the day - to - day maintenance, routine inspection and testing, fault and complaint attendance, minor repairs, term contract management and standard stores management for electrical installations

    我們的服務駐點遍布全港， 24小時隨時候命，確保能迅速回應緊急故障召喚。
  16. Motivated by the above results, the third part of this paper considers the equivalence problems that every stationary point or kuhn - tucker point is an efficient solution. we define i - quasi - invex vector function., i - strictly quasi - invex vector function and kt - i - strictly quasi invex vector function, and derive the above equivalent condition for unconstrained or constrained multiobjective programming

    於是，在本文的第三部分，我們定義了類不變擬凸、類嚴格不變擬凸、 kt -類嚴格不變擬凸的向量值函數，並且在無約束或約束多目標規劃中，獲得了每個駐點（或k - t點）是有效解的等價條件。
  17. Given a response surface equation in quadratic form, the six sigma black belt will be able to compute the stationary point

    給出一個二次方程式形式的響應曲面公式， 6西格瑪黑帶應能計算出駐點。
  18. Given data ( not graphics ), the six sigma black belt will be able to determine if the stationary point is a maximum, minimum or saddle point

    給定數據（不是圖形） ， 6西格瑪黑帶應能確定駐點是最大值、最小是還是馬鞍點。
  19. Similar results were generalized to multiobjective programming in ref. 37, and the equivalent conditions that every stationary point or kuhn - tucker point is a weakly efficient solution were also obtained

    文獻[ 37 ]將類似的結果推廣到多目標規劃，並且獲得了每個駐點（或k - t點）是弱有效解的等價條件。
  20. For example, it has already allowed more journalists to be stationed in taiwan, will soon allow chinese actors to participate in taiwan filmmaking, and is evaluating other policy measures that will improve cultural and economic exchanges

    例如，許可更多的大陸記者來臺駐點采訪，即將允許大陸演員來臺拍片，並刻正評估其他可以促進文化經貿交流的政策措施。
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