粗面阻力 的英文怎麼說

中文拼音 [cūmiànzǔlì]
粗面阻力 英文
roughness resistance
  • 粗 : Ⅰ形容詞1 （長條東西直徑大的） wide （in diameter）; thick 2 （長條東西兩長邊的距離寬的） wide （i...
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 力 : 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...
  • 阻力 : 1 （阻礙事物發展的外力） obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  1. ( 2 ) increasing of wind is mainly induced by shf and affecting of lhf is very little. ( 3 ) effect of terrain increases ground rough and tonsure of terrain press and fiction correspond enhance frictional damp effect

    （ 3 ）地形作用相當于增加了地面粗糙度，地形壓力梯度項與摩擦項地疊加，相當于使摩擦阻尼作用增大，地形強迫作用使下邊界層從上至下風速減小，風向向左偏轉。
  2. According to the method in paper, roughness of bedrock surface of north anchor pit of runyang bridge is described in quantitative fractal dimension, and the method of determining frictional resistance of the whole anchor under many factors is discussed, which offers a new ideal and approach for precise determination of frictional resistance of rock mass engineering

    依據文中方法，對潤揚大橋北錨碇基坑建基面粗糙度進行了定量分維描述，探討了考慮多種因素條件下整個錨碇摩阻力的確定方法，為巖體工程摩阻力的準確確定探索了一條新的思路和途徑。
  3. The second part is the core of this paper. firstly, the author analyzed and appraised the international competitive power of china ' s textile industry from four aspects of competitive ability, competitive potential, competitive strength, competitive circumstances, concluded four conclusion : the international competitive power of china ' s textile industry still had some advantages, the advantages inclined to weaken, the international competitive power of branch industries was in equable, the advantages was gained by the increasing quantity of production and export ; secondly, on the basis of the above analysis, the author analyzed the factors affecting the international competitive power of china ' s textile industry ; at last, the author analyzed the impact of china ' s joining wto on the international competitive power of china ' s textile industry. in the last part, on the basis of the above analysis and research, the author gave some advice on maintaining and improving the international competitive power of china ' s textile industry

    第二部分，這一部分是全文的核心部分，首先從競爭能力、競爭潛力、競爭實力、競爭環境四個方面來綜合分析和評價我國紡織業的國際競爭力，得出我國紡織業目前在世界仍然具有較強的國際競爭力、我國紡織業各分行業國際競爭力水平是不平衡的、我國紡織業的國際競爭力存在弱化的趨勢、我國紡織業國際競爭力主要是靠粗放型增長獲得的四個結論；然後在此基礎上從定性和定量兩個角度來分析影響我國紡織業國際競爭力的因素，指出資本密集度提高、棉花流通體制改革、規模經濟擴大等因素促進我國紡織業國際競爭力的提高，科技創新不足、國內市場競爭不足、環保問題以及亞洲金融危機等因素阻礙我國紡織業國際力的提高；最後再分析加入wto對我國紡織業國際競爭力的影響，總的來說是利大於弊，分為對紡織業總體國際競爭力的影響和對紡織業內各分行業國際競爭力的影響。
  4. According to the the regression analysis on the bloting and shotcreting roadways of henan pingmei group, the regression equation on the degree that absolute grade and area of roadway influence coefficient of frictional resistance is built in the paper. the notable character test of the regression equation is completed. at last, the degree that absolute grade and area of roadway influence coefficient of frictional resistance is discussed and summed up. the practical and guiding sense in choosing coefficient of frictional resistance of congeneric roadways is given in the paper

    通過對平煤集團大量的錨噴巷道的回歸分析，建立了巷道壁面絕對粗糙度和巷道斷面積對摩擦阻力系數影響程度的回歸方程，並對回歸方程作了顯著性檢驗，最後對巷道粗糙程度和斷面積對錨噴巷道摩擦阻力系數的影響程度進行了討論和總結，對同類巷道摩擦阻力系數的選取具有實踐指導意義。
  5. With the favor of these techniques, the static pressure distribution along the length and the velocity profile at the mini - channel exit were obtained. with the data of more than 500 flow states based on 13 kinds of mini straight rectangular channels that their heights were 0. 5mm and 1. 0mm, the effects of characteristic scale, surface roughness and the aspect ratio of rectangular on the characteristics of flow resistance of mini straight channels were studied

    採用在沿程測量氣流靜壓分佈、在出口測量速度分佈的方法，對高度0 . 5mm和1 . 0mm的13個微小直矩形通道的500多個狀態流場進行了測量，研究了特徵尺度、表面粗糙度、橫截面寬高比等因素對微小等直通道流動阻力特性的影響。
  6. Taking suspension bridge anchor of runyang highway bridge as project background in this paper, considering undulating angle of rock mass structural plane, angle of mean square root slope method is established by exerting fractal geometry theory. fractal dimension of profile of rock mass structural plane is calculated by above method. and roughness degree is described quantitatively, furthermore correlativity between fractal dimension and roughness coefficient ( jrc ) is analyzed

    本文以潤揚大橋懸索橋錨碇摩阻力研究為工程背景，運用分形幾何理論，從巖體結構面起伏角的角度出發，建立了均方根坡度角法測算巖體結構面剖面輪廓線的分維數，定量描述其粗糙程度，並分析了分維數與粗糙度系數jrc之間的相關關系。
  7. It will become less than the theoretic value and the difference between them will augment with the increase of reynolds numbers

    表面粗糙度對層流區阻力特性影響明顯，層流區摩擦系數低於理論值，且其偏差隨雷諾數逐漸增大。
分享友人
分享到 Line

分享到臉書