air shear 中文意思是什麼

air shear 解釋
風動剪
  • air : n 1 空氣，大氣。2 天空，空中。3 微風，和風。4 態度，樣子，風度，氣派；〈pl 〉高傲的架子。5 傳播，...
  • shear : vt vi （sheared 〈古語〉 shore; shorn sheared）1 剪（羊毛等）；修剪（樹木）；剪（呢絨的）長毛。2 ...
  1. Originating airport name, metar speci issue time, wind direction speed gust, wind direction variation, visibility, runway visual range, weather during time of observation, cloud, air temperature dew - point, qnh pressure measured at airport with adjustment made to suit aeronautical use, weather during the past hour but not at time of observation, wind shear information, trend - type landing forecast

    發出資料的機場名稱發出metar speci的時間風向風速陣風風向轉變能見度跑道視程觀測時的天氣雲層氣溫露點qnh在機場錄得的氣壓，經調整以配合航空用途過去一小時但非觀測時的天氣風切變資料飛機降落用的趨勢預測。
  2. Originating airport name, metarspeci issue time, wind directionspeedgust, wind direction variation, visibility, runway visual range, weather during time of observation, cloud, air temperaturedew - point, qnh ( pressure measured at airport with adjustment made to suit aeronautical use ), weather during the past hour but not at time of observation, wind shear information, trend - type landing forecast

    Metarspeci電碼包含趨勢預測，即預測未來兩小時內天氣的轉變，而且更利用特別標號（視乎情況，標號可以是ttttt = becmg或tempo ）又或是nosig ，來指明轉變。 （ becmg意指逐漸轉變； tempo意指間中； nosig意指並無顯著轉變。 ）
  3. 3 ) from the samples saturated completely by air to those saturated completely by brine, the velocities of compressive wave of the rocks increase obviously, with the extent of 11. 73 % ; the velocities of shear wave change little or decrease slightly, with the average of decreasing extent of 1. 21 % for shear wave 1 and 1. 16 % for shear wave 2. the difference of velocity between compressive wave and shear wave makes poisson ' s ratio increase obviously, with the average extent of 87. 25 %

    3 ）從完全飽和氣到完全飽和水，珠江口盆地第三系砂巖、粉砂巖、碳酸鹽巖及其過渡性巖石類型的縱波速度是顯著增加的，平均增加幅度為11 . 73 ；橫波速度變化很小，或略有降低，橫波1平均降低幅度為1 . 21 ，橫波2平均降低幅度為1 . 16 ；縱橫波速度的這種差異變化導致泊松比顯著增加，平均增加幅度為87 . 25 。
  4. The research results show that aggregate gradation and the nominal maximum aggregate size evidently influence the shear resistance of asphalt mixture ; aggregate flakiness content influences the shear resistance of asphalt mixture, and with the increase of aggregate flakiness content the shear resistance of asphalt mixture decreases ; asphalt binder properties, especially penetration, softening point and viscosity influence the shear resistance of asphalt mixture, and the latter increases with the decrease of penetration and the increase of softening point and viscosity ; asphalt content influences shear resistance of asphalt mixture, and with the increase of binder / aggregate ratio the shear resistance of asphalt mixture decreases ; air void influences shear resistance of asphalt mixture, and usually with the increase of air void the shear resistance of asphalt mixture decreases ; homogeneity does not have a direct and obvious relationship with absolute value of shear resistance of asphalt mixture, but does with variation of shear resistance of asphalt mixture

    研究結果表明：集料級配和公稱最大集料粒徑對瀝青混合料抗剪強度有顯著的影響；瀝青混合料抗剪強度受其集料中針片狀含量的影響較大，集料中針片狀含量增大，瀝青混合料抗剪強度減小；結合料的性質，特別是針入度、軟化點和粘度對瀝青混合料抗剪強度有較大的影響，隨著針入度減小，軟化點和粘度增大，瀝青混合料抗剪強度增大；含油量對瀝青混合料抗剪強度有較大影響，隨著油石比的增大，瀝青混合料抗剪強度減小；瀝青混合料抗剪強度受其空隙率的影響較大，一般隨著空隙率的增大，其抗剪強度減小；瀝青混合料均勻性與瀝青混合料抗剪強度絕對數值間沒有明顯的關聯，而與數值間的變異性有著很好的相關性。
  5. Great difference in pressure for two flow made pressure wave system and it help to extend the delay time for gas in chamber, which increases combustion effusion. second, to increase combustion effusion, the inlet temperature of air and gas should be enhanced in the range of heat releasing in chemical reaction. third, the first work condition is unburned absolutely and the second work condition is burnt in shear layer of inlet and the end of down wall zone in straight segment

    對于壓力差很大的兩股氣流，所形成的壓縮波系的結構可以增加燃氣駐留時間，提高燃燒穩定性;為了提高擴散燃燒的效率，在保證能放熱的化學反應溫度范圍之內，應適當提高燃氣及空氣的來流入口溫度;燃氣噴嘴應居於燃燒室軸線上，是改進超音速燃燒室結構的一種思路。
  6. As a result of the heterogeneous distribution of bubbles in the horizontal air - water bubbly flow, the wall shear stress was different along the circumference of tube

    摘要水平管泡狀流時氣泡主要集中在管道的上部，在管下部只有少量的氣泡。
  7. The turbulent characteristics of high - velocity sediment - laden and aerated flow are more other than the clear water flow of single - phase and current of low speed. in a special circulating system with high velocity flow, some flow parameters such as boundary shear stress and pulsation pressure are measured. an investigation is made on the turbulent characteristics of the three - phase flow of water, air and sand

    本文針對高速含沙摻氣水流的運動規律有別于低速水流及清水單相流，在自己研製的高速渾水循環系統中，通過對高速含沙摻氣水流壁面剪切應力和脈動壓強等參數的量測，分析了水沙氣三相流的紊動特性，探索了泥沙對固壁的磨蝕機理及減蝕措施，其主要內容包括以下幾個方面： 1
  8. The seams divide the wall into several units and the hollow shear wall of r. c w ith vertical seams has small self - weight, small stiffness and good ductility. due to having air insulation, it has good energy saving capability. so this new type shear wall structure will be a kind of ductile structure with advanced seismic behavior

    針對傳統剪力墻結構的弱點，本課題提出帶豎縫鋼筋混凝土空心剪力墻板結構，此種墻板在墻體上設有豎向縫隙，將整塊墻板分成若干墻肢單元，具有自重輕、剛度小、延性大的特點，由於墻板中間有空氣夾層，保溫、隔熱效果也較好，以此種墻板為主體的空心剪力墻結構體系是一種抗震性能優良的「延性剪力墻結構」 。
  9. Based on uniaxial penetrating test, the effects of aggregate gradation, aggregate physical properties, asphalt binder properties, asphalt content, air void and homogeneity on shear resistance of asphalt mixture were investigated directly at 60

    摘要為了研究瀝青混合料抗剪強度的影響因素，基於單軸貫入試驗，在溫度為60時，直接對集料級配、集料性質、瀝青性質、含油量、空隙率以及均勻對瀝青混合料抗剪強度的影響進行研究。
  10. All tests are done in gds triaxial testing system. in triaxial shear tests, pore air pressure and pore water pressure are measured separately and matric suction is calculated

    在三軸剪切試驗中利用軸平移技術分別量測土樣孔隙氣壓力和孔隙水壓力，得到土樣基質吸力。
  11. The pore air pressure gradually goes up with the developing of axial strain in the process of the dynamic torsional shear test of loess, but the pore water pressure hold the line or goes up a little in the last. the stress - strain dynamic constitutive relationship of intact loess and man - made loess show the hyperbolic model. there are some remarkable differences of strength and strain between unsaturated loess and saturated loess

    研究結果表明：非飽和黃土在動力扭剪試驗過程中，隨著軸向變形的發展，孔隙氣壓力逐漸上升，而孔隙水壓力則基本保持不變或後期略有升高；原狀黃土和重塑黃土的應力應變本構關系呈雙曲線型；非飽和黃土和飽和黃土的強度及變形特性存在明顯差異；進而分析了含水量、固結應力和固結應力比對黃土動力特性的影響本文最後對非飽和土的有效應力計算公式進行了討論。
  12. There are a lot of dangerous weather factors that influence civil flight safety. but in china, mainly there are four kinds of dangerous weather factors, such as low wind shear, thunderstorm, air turbulence, and precipitation

    影響航空運輸安全的危險天氣因素較多，而在我國航空運輸中，低空風切變、雷暴、大氣湍流和降水是主要影響飛行安全的危險天氣。
  13. 4 ) the velocity of the compressive and shear wave and poisson ' s ratio for the samples saturated completely by air increase with the increasing of confining pressure, but the increasing extent of velocities of compressive wave is more than that of shear wave

    4 ）在完全飽和氣和溫度不變的條件下，無論是縱波、橫波1還是橫波2 ，珠江口盆地第三系砂巖、粉砂巖、碳酸鹽巖及其過渡性巖石類型的速度均隨圍壓的增大而增加；但縱波的增加幅度大於橫波，泊松比隨圍壓的增大而增加。
  14. Typhoon can bring winds with a speed exceeding 100 km per hour, and the shear force of rapid air movement could tear leaf blades, detach leaves, flowers, fruits, seeds and buds from their attachments, break branches which range from small twigs to large limbs, snap trunks, and uproot an entire tree

    臺風颳起的烈風，其風速可達每小時100公里或以上。空氣高速移動所引發的巨大力量足以撕毀葉片，吹落樹葉、花朵、果實、種子及芽苞，吹斷嫩枝和大枝，甚至會折斷樹乾和把整棵樹連根拔起。
  15. With some vertical hollows, hollow shear wall r. c. structure not only has lighter self - weight, smaller stiflhess and better ductility, but also has significant energy saving capability due to the inner air. in all, hollow shear wall r. c

    鋼筋混凝土空心剪力墻結構，是將鋼筋混凝土剪力墻中設置一些豎向的孔洞，起到減輕結構的自重，降低結構的剛度，增加結構的延性的作用。
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