減阻的 的英文怎麼說

中文拼音 [jiǎnzǔde]
減阻的 英文
anti-drag
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 的 : 4次方是 The fourth power of 2 is direction
  1. Development of an electromagnetic vortex mass flowmeter

    電磁力的消渦與減阻
  2. There is a noticeable reduction in dung output from the piggery and also a very noticeable reduction in smell around the piggery and all effluent drains are running much easier with no blockages

    糞便的排出量大幅度減少，豬圈周圍的臭氣也明顯減弱了，所有的排污系統可以暢通無阻的工作了。
  3. A study of turbulent flow drag reduction by large eddy break - up devices

    湍流大渦破碎裝置的減阻研究
  4. It can be used not only to change the fire precision of the base bleed projectile, but also to improve the effect of reduction drag and expansion range. the calculating model of the secondary expansive pressure of the burning gas is constructed by means of analysis of the experimental resuits, it has been confirmed that the new base bleed unit can be designed, with the secondary expansive principle of the burning gas pressure. the engineering project of a hybrid base - bleed - rocket high - level efficient extended - range projectile is designed, with the secondary expansive principle of the burning gas pressure, the feasibility and the true worth of its engineering applications is validated in theory

    本文提出了底排燃氣壓力不隨外部壓力變化，既可改善底部彈射擊精度又可提高減阻效果的二次擴張原理，建立了底排燃氣二次擴張壓力的計算模型，並通過採用二次擴張原理的新型底排裝置與傳統底排裝置的對比試驗，驗證了新型底排裝置結構實現的可行性；完成了基於底排燃氣二次擴張高效增程原理的底排?火箭復合高效增程彈方案設計及其有關計算，從理論上驗證了其工程應用的可行性和實際價值。
  5. The numerical algorithm of solving the adjoint equations for different design cases have been developed by using finite volume methodology which is usually used to solve the flow governed equation. it includes the some important aspects, such as flux formulation, wall and far - field boundary treatment methodology, dissipative term formulation, etc. after the solution of the adjoint equations is obtained, the derivatives of the cost function with respect to all the design variables can be evaluated with the same operation. this can yields a significant saving over the other gradient - based techniques when there are many design variables

    （ 3 ）進行了應用控制理論和三維歐拉方程的機翼氣動反設計研究，以及有升力約束情形下機翼跨音速減阻問題研究，分別推導了相應的共軛方程及邊界條件數學表達形式，研究與發展了三維共軛方程的有限體積數值求解方法，及相應梯度公式的數值求解方法，通過對計算網格生成、流場計算、共軛方程數值求解、梯度求解和優化演算法等多方面的有效結合，成功發展了三維機翼的氣動反設計和跨音速減阻優化設計程序，成功地進行了多個設計算例研究。
  6. Influencing factors of frictional resistance coefficient and main solutions to reduce frictional resistance coefficient

    輸氣管線摩阻系數的影響因素以及減阻的主要方法
  7. With regard to the second phase water supply pipe project of no. 4 dongguang waterworks, an introduction was given to the selection of pipe jacking system, measures for resistance alleviation, application of intermediate jacking room, and control of axes in jacking construction of long distance steel pipe with large caliber, these may provide the reference for the construction of resembling project

    摘要結合東莞市第四水廠二期給水管道工程過107國道段的頂管施工，介紹了大口徑鋼管進行長距離頂進施工時頂管機的選型、減阻措施的選用、中繼間的運用、軸線控制等問題，可供以後同類工程參考和借鑒。
  8. ( 5 ) the spring greenland sea - ice extent is larger ( smaller ) : then during the following summer the high of the japanese sea is stronger ( weaker ), and the low of the asian land is stronger ( weaker ), which make the pattern of low west and high east easily ( uneasily ) form ; the ascending movement over north china is strengthened ( weakened ) ; the summer monsoon of east asia is stronger ( weaker ), then the southeastern, warm and damp airflow towards the north china is stronger ( weaker ), and the cold airflow of the high level over the north china is also stronger ( weaker ), which make the convergence of the cold and warm air over north china easily ( uneasily ) form ; the sst of the east pacific ocean is lower ( higher ), while the sst of west wind drift is higher ( lower )

    （ 5 ）春季格陵蘭海冰面積偏大（小） ：後期夏季日本海高壓偏強（弱） ，而大陸上低壓也偏強（弱） ，易（不易）形成西低東阻的形勢；華北地區的上升運動增強（減弱） ；東亞夏季風偏強（弱） ，向華北地區輸送的西南暖濕氣流偏強（弱） ，而對應高空華北地區上空冷空氣活動偏強（弱） ，利於（不利於）華北上空冷暖空氣的交匯；夏季赤道東太平洋海溫偏低（高） ，西風漂流區海溫偏高（低） 。在以上的環流背景下，華北夏季降水偏多（少） ，易澇（旱） 。
  9. American movie theater owners faced with falling attendance are considering asking federal authorities for permission to cell phone reception in an attempt to stop annoying conversations during films, the head of the industry ' s trade group said. industry leaders at the showest conference for theater owners in las vegas want to find ways to win back crowds

    美國影院行業協會的負責人表示，為阻止觀眾在看電影過程中接聽電話干擾他人，影院業主目前正考慮請求聯邦通信委員會允許影院對手機接聽進行信號干擾，以改善影院觀眾不斷減少的狀況。
  10. Two youths are seen using a motorola mobile device in an undated file photo. american movie theater owners faced with falling attendance are considering asking federal authorities for permission to jam reception in an attempt to stop annoying conversations during films, the head of the industry ' s trade group said

    美國影院行業協會的負責人表示，為阻止觀眾在看電影過程中接聽電話干擾他人，影院業主目前正考慮請求聯邦通信委員會允許影院對手機接聽進行信號干擾，以改善影院觀眾不斷減少的狀況。
  11. American movie theater owners faced with falling attendance are considering asking federal authorities for permission to jam cell phone reception in an attempt to stop annoying conversations during films, the head of the industry ' s trade group said. industry leaders at the showest conference for theater owners in las vegas want to find ways to win back crowds

    美國影院行業協會的負責人表示，為阻止觀眾在看電影過程中接聽電話干擾他人，影院業主目前正考慮請求聯邦通信委員會允許影院對手機接聽進行信號干擾，以改善影院觀眾不斷減少的狀況。
  12. The project of the experimental and theoretic research on friction reduction by microbubbles for high - speed ships, supported by the national natural science foundation of china ( no. 19772050 ), aims to study the key technology of air - jetting devices and its relevant problems, theoretically predict the law of bubble diffusing in the boundary layer and calculate the friction of the hull

    國家自然科學基金項目「高速氣泡船減阻試驗及理論研究」的目的在於研究高速氣泡船噴氣裝置的關鍵技術及其相關問題，並從理論上預測噴氣氣泡在船底邊界層的擴散規律和計算船體摩擦阻力，為將這一技術應用到實船上提供基礎。
  13. Emhydr hr oils are based on high paraffin lubricant stocks compounded with rust and oxidation inhibitors and anti - foam additive to lubricate in hydraulic systems, plain and anti - friction bearings, enclosed gear cases etc. that do not require anti - wear or extreme pressure properties

    Emhydr hr是以石蠟基基礎油摻配防銹、抗氧化與消泡添加劑製成，適用於工業液壓系統、減阻與平軸承、密封式齒輪等，以及不須抗磨與極壓性能的潤滑系統。
  14. The c. e. in both 2d and 3d problem increase the lifting forces, the c. e. in 3d problem decreases the " drag coefficients, but the c. e. in 2d increases the drag a little

    波動效應也隨著高度的增加而減少，但是和曲壁面效應相比，衰減速度要小得多。波動效應具有減阻作用。
  15. An experimental investigation on the resistant reduction of the guide vane cyclone tube fairings

    導葉式旋風管整流罩減阻的實驗研究
  16. All of the results indicated the turbulent boundary layer had been turned into the laminar layer. the skin friction coefficient drops rapidly. this result not only proved the phenomenon of reverse transition had occurred, but also showed that this condition was drag - reducing condition

    實驗結果表明板面附近的流動已由湍流流動轉變為層流流動，同時平板表面的摩擦系數較沒有溫度梯度時有大幅度下降，不僅證明了邊界層逆轉捩現象的存在，也說明了這種條件起到了減阻的效果。
  17. Experimental study and numerical simulation on drag reduction of the underwater vehicle based on surface profile design

    基於表面設計減阻的水下航行體模型實驗與數值分析
  18. Besides, as results shown under considering factors affecting the friction reduction, with the increase of microbubble diameter within 100 ? w and the grads of air volume fraction in injection normal to the plate, the magnitude of friction reduction will be increased

    此外，對影響減阻的因素計算結果表明，隨著氣泡直徑（ 100 m以內）和入口處氣泡體積濃度的垂向梯度增大，減阻量增加。
  19. The numerical simulations are consisted of two parts : the first is to simulate the friction reduction by microbubbles on a flat plate ; the second is to simulate initially the friction reduction on the approximated ship model with the flat bottom

    本文對微氣泡減小表面摩擦阻力的現象進行了數值計算。數值模擬分成兩個部分：第一部分是平板微氣泡減阻的數值模擬；第二部分是平底近似船模數值模擬的初探。
  20. After analyzing the instance of several forces of single microbubble, the author found the main factors of influencing friction resistance. because the movement of microbubbles is always in the way of cluster and this movement is different from it of single microbubble, primary analysis of this content is carried in this article for knowing more about the main factors of friction resistance

    對單個微氣泡的受力情況進行了剖析，從而得出影響微氣泡減阻的主要因素；由於微氣泡的運動總是以成群的狀態出現，這種運動與單個微氣泡的運動又有所不同，因此，本文對這方面的內容也做了初步的研究，以更多的了解減阻過程中的主導因素。
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