曲流下移 的英文怎麼說

中文拼音 [liúxià]
曲流下移 英文
downvallry migration
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 下動詞1. (用在動詞后,表示由高處到低處) 2. (用在動詞后, 表示有空間, 能容納) 3. (用在動詞后, 表示動作的完成或結果)
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  1. In this paper, using the program ( epagpll ), the bored testing pile group of the chinese architecture science and research institute at luokou area are analysised. the comparisons among analytical results of four constitutive models of soil are made, and the deformation of piles and soil, the soil resistance of the piles, the friction beneath cap, the aclinic displacement of the ground soil before piles and the failure pattern of pile group are discussed in detail

    本文利用所編的程序,對上海地區豎向荷載作用的單樁的變效應進行了分析,並通過樁體位?時間關系線,確定軟土地基上豎直受力樁的承載力,分析了豎直受力樁的最終沉降量的大小,並結合《上海地區地基基礎》地方規范就程序計算結果進行了對比。
  2. In typical watershed, quxi watershed, the result of external forcing, submerge and migrant, is the resource change of slope cultivated lands, economical forest, vegetation, water, habitant etc. of the ecosystem, and the changes of demand for food supplies, energy resource and education

    民區典型小域? ?溪小域,受淹沒、民2個驅動力的作用,耕地、經濟林、植被、水、棲息地等資源發生了顯著變化,系統的糧食、能源、教育需求也隨之而變,在內在反饋機制的作用,導致系統輸出為水土失加劇、生物多樣性受到破壞、土地退化嚴重等。
  3. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓的瞬態分析,得到了轉矩,位,轉速隨時間變化線圖,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證,由實驗測得了三相電波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。
  4. Sweeping of meander

  5. Abstract : variations of flow pattern, flow velocity in deep poo l and side bar, mainstream thread, and water surface, caused by excavation project, are investigated by two - dimensional mathematical model in an orthogonal curvili near coordinate system. the change of bed - load transport rate, and redeposition r ate are predicted. the influences of the excavation project on navigation are ana lyzed. grid - type and flat - type excavation alternatives are proposed and discuss ed

    文摘:採用正交線坐標系的河道平面二維數學模型,研究了嘉陵江何家磧邊灘采砂后河道勢、態、灘槽速、主位置、水面高程及比降的變化規律,預測了采砂方案完成後卵石推質輸沙率變化及其對航道的影響,並對格形開挖和平整開挖方案進行了比較分析
  6. While the temperature increases the flow curves move down, and it is showed that between 180 and 190 the influence of temperature on the flow behavior is smaller, and the influence of shear rate is smaller

    而溫度的上升導致,可以認為,在180和190溫度區間內的動性能相對溫度的影響較為穩定。剪切速率對動性能的影響變小。
  7. The power angle characteristics are acquired and compared with the unsaturated curves. it is concluded that the stability limit of the power angle is less than 90 degree. reactive power regulating curves are calculated and compared with those curves when saturation effect is not considered, the result is that u type curves are deviated to the right

    通過對同步發電機各種運行線的計算,在已有文獻的基礎上更進一步分析了鐵磁材料飽和以及磁場畸變對同步發電機運行特性和參數的影響;求出了空載特性線和零功率負載特性線,在不同的電樞電計算得到的波梯電抗不同;求出了功角特性線,與不計飽和時的功角特性線相比較,功角穩定極限小於90 ;求出無功調節線,與不計飽和時相比較, u型線向右偏
  8. As a result, the fermi level at the surface will shift towards the valence band maximum ( vbm ). accordingly the band bending increases, and the surface depletion layer thickness enhances, therefore, the channel thickness reduces. this is the main factor resulting in the decrease of saturated drain - source current

    表面費米能級向價帶頂動,能帶彎加劇,肖特基勢壘高度增加,表面耗盡層變厚,導電溝道變窄,是導致源漏飽和電降的主要因素。
  9. Under this flow, the convex initial curve will preserve its perimeter, enlarge the enclosed area and make its curvature to be positive definitely. and as the time lasts, it will become more and more circular, and finally, as the time goes to infinity, the curve will converge to a circle in the hausdorff metric

    本文證明在這種新的,閉凸線周長保持不變、所圍區域的面積不斷增大而率保持恆正(從而保持凸性) ,並且,隨著時間的推線變得越來越圓,最終當時間t趨向于無窮大時,線在hausdorff度量意義收斂到一個圓周。
  10. After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves

    在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後,首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程,然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的,指出了開放空間中突然出現的時變電場(位)是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天線和局部彎的天線進行了研究,以進一步說明上述觀點.對多種情況的脈沖輻射過程進行了數值模擬,並給出了電場的等高線和空間波形圖,這些圖形對理解脈沖電磁波的輻射機理非常有益
  11. Then the general plan of underwater vibrators is put forward. in chapter 3, combining fluid - solid coupling theory and mechanical vibration theory, we get the coupling equation of moving parts and water. the dynamic characteristics of moving parts are studied with theory of finite element, and additional mass of moving parts is found in fluid - solid coupling field, which makes vibrator ' s natural frequency descend and amplitude - frequency curve downward shift

    第三章運用固耦合理論和機械振動學理論相結合的方法建立運動部件與水的耦合運動方程,利用有限元法對其的動態特性進行了研究,得到了在固耦合場運動部件存在的附加質量,該附加質量導致固有頻率降,單位推力的加速度頻響線整體
  12. With the pressure measurement system for the swirl chamber diesel engine, by using the methods of equivalent power and the seven point three degree average for the indicator diagram, we can correct the tdc, smooth the pressure curve and make more accurate pressure data that is a well basis for the calculation of combustion heat release rate

    摘要本文在自行開發的渦室柴油機壓力數據測錄系統的基礎上,利用等效功法和七點三次加權動平均法,分別對示功圖進行了上止點校正和壓力線光順,使壓力數據更精確,為燃燒放熱率的計算打了良好的基礎。
  13. My recent works on moving mesh method are focused on two problem : 1 ) its application to imcompressible flow ; 2 ) its application to conservation law

    最近我們在動網格方面的研究在以兩個方面,一個是其在不可壓體計算中的應用,一個是其在雙型守恆律上的應用。
  14. By studying the characteristics of the eddy displacement sensor, it adopts the control method which include using the fitting line of sensor ' s output characteristic curve in certain block as control characteristic curve, and stipulating door limit district and a certain of backward overshoot, the stabilization of welding torch is gained under the certain track precision

    摘要通過對渦式位傳感器的特性研究,採用以傳感器輸出特性線在一定區間內的擬合直線作為控制特性線、設定規定門限區和一定反向調節量的控制方法,得到了在保證一定的跟蹤精度條件的焊槍穩定。
  15. Under unsaturated condition, the duration of the transport process was obviously prolonged, peak value of the breakthrough curve raised, the preferential flow was not significant and the curve was gently

    在非飽和條件,硝態氮運過程的時間明顯加長,穿透線的峰值增高,優先不明顯,穿透線平緩。
  16. While the content of hv increase, the flow curve move down and viscosity reduce

    隨hv含量的上升,,粘度變小。
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