roughness resistance 中文意思是什麼

roughness resistance 解釋
粗糙度阻力
  • roughness : n. 1. 粗糙；凹凸不平，崎嶇；蓬亂。2. 粗暴；狂風暴雨。3. 未加工。4. 難聽，刺耳；味澀；不調和。5. 概略。6. 【工業】粗糙程度。
  • resistance : n. 1. 抵抗，反抗，抗拒，抵禦；敵對，抵抗力，反抗力，阻力，【生物學】抗病性。2. 【電學】電阻；阻抗；電阻器。
  1. 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。
  2. The test proves that the roughness - coefficient value reduced to 0. 009 from original 0. 014 by reducing resistance, increase 15 % total amount of transporting water

    摘要重點研究南水北調中線工程表面減阻降糙技術措施，以降低長距離輸水阻力，提高輸水量。
  3. The main contents are as follows : ( l ) through theoretic analysis and flume experiments, the characteristic of water resistance through frames is researched, and transforms relation between resistance coefficients and manning ' s roughness coefficients is established, and then experiential formula of manning ' s roughness coefficients is fitted

    主要研究內容如下： （ 1 ）通過理論分析和水槽試驗，研究了穿越四面體框架群水流阻力系數的變化規律，建立了阻力系數與框架群等效曼寧糙率系數的轉換關系，擬合出了糙率的經驗計算公式。
  4. Study shows that the effect of the shock of heavy rain on an airplane in the low - level wind shear of thunderstorms is evident, the flight resistance resulted from the roughness of airplane is able to change the flight track and endanger the flight safety, whereas, the increase in the mass of airplane caused by the water film on the airframe and its wings in heavy rain is nigligible

    結果表明：雷暴低空風切變中大雨雨滴的沖擊作用是明顯的，被粗糙化的機體所產生的阻力能顯著改變飛行軌跡，並能影響飛行安全；累計在機身和機冀上的水膜厚度造成的飛機質量的增加對飛行的影響可以忽略。
  5. The horizontal and vertical momentum loss caused by the shock of heavy rain in low - level wind shear of thunderstorms on the airframe and wing are analyzed, the water film thickness on the airframe and wings estimated, and the flight resistance resulted from raindrops - striking caused by the roughness of airplane when the heavy rain shocks the airplane is discussed

    摘要分析了雷暴低空風切變中大雨滴沖擊飛機的機身和機翼而引起的水平和垂直動量損失，估算了大雨累計在機身和機翼上的水膜厚度，並討論了因遇到大雨雨滴沖撞而粗糙化的機體所產生的阻力。
  6. The experimental result shows that it can improve significantly the abrasive resistance and increase the service life of the moving parts of shiplock by optimizing the match of supportive materials for abrasion and the value of their hardness, improving the precision and roughness of abrasive parts in the process of production, and applying correct lubrication method to the abrasive parts

    實驗結果表明：對船閘摩擦副材料及硬度值進行合理的匹配，提高船閘運轉件摩擦副零件的加工精度及表面粗糙度，以及運用正確的潤滑方式對摩擦副進行潤滑，能顯著提高零件的耐磨性能，較大地延長了船閘運轉件的使用壽命。
  7. The phase structure of different cu - fe thin films were studied by using grazing incidence x - ray analysis ( gixa ). the texture and residual stress of different cu - fe thin films were measured by scan of x - ray diffraction ( xrd ) and 2 scan with different. the thicknesses of different thin films were characterized by means of small angle x - ray scattering ( saxs ) technique. by using atomic force microscope ( afm ) measured surface roughness of thin films. the component of different thin film was characterized by energy disperse spectrum ( eds ) and x - ray fluorescence ( xrf ). the magnetic properties of cu - fe thin films were measured by means of vibrating sample magnetometer ( vsm ). in addition, the giant magnetoresistance ( gmr ) effects of different films were also measured. the original resistance of the film fabricated by a direction - current magnetron sputtering system is directly affected by bias voltage

    利用掠入射x射線分析（ gixa ）技術對不同cu - fe薄膜的相結構進行了研究;利用xrd掃描及不同角度的2掃描對薄膜進行了結晶織構及殘余應力分析;運用小角x射線散射（ saxs ）技術測量了薄膜的厚度;採用原子力顯微鏡（ afm ）觀察了薄膜的表面形貌;運用能量損失譜（ eds ）及x射線熒光光譜（ xrf ）對薄膜進行了成分標定;使用振動樣品磁強計測量了不同cu - fe過飽和固溶體薄膜的磁性能;最後利用自製的磁阻性能測試設備測量了真空磁場熱處理前後不同薄膜的巨磁阻值。
  8. 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。
  9. This paper introduces some models of pavement operational performance ( including pavement structural remaining life, pavement condition index pci skid resistance index and international roughness index iri ) in term of application of apms

    根據國內外常用的機場道面性能模型研究狀況和道面管理系統的特點，介紹了道面結構剩餘使用壽命、道面狀況指數pci 、道面防滑性系數?和道面國際平整度指數iri常用的衰變模型。
  10. Relationship between the surface roughness and the atmospheric corrosion resistance of cold - rolled steel plate

    冷軋低碳鋼板表面形貌與其耐大氣腐蝕性能的關系
  11. The relationship between thermal contact resistance and surface roughness is discussed. the influence of outer space heat flow on spacecraft on the orbit is analyzed, and a balance temperature of spacecraft on the orbit is calculated

    通過計算空間外熱流對航天器在軌溫度的影響，得到航天器在軌平衡溫度。最後完成瞬態溫度場的模擬計算，對推力室在軌溫度進行數值模擬。
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