推移流 的英文怎麼說

中文拼音 [tuīyíliú]
推移流 英文
traction current
  • 推 : 動詞1 （向外用力使物體移動） push; shove 2 （磨或碾） turn a mill or grindstone; grind 3 （剪或削...
  • 移 : Ⅰ動詞1. （移動） move; remove; shift 2. （改變; 變動） change; alter Ⅱ名詞（姓氏） a surname
  • 流 : 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...
  • 推移 : 1. （時間發展） elapse; pass 2. （形勢等的變化） develop; evolve
  1. Aggrading streams heavily charged with bed load may fill their channels nearly to the top of the banks.

    帶有大量推移質的堆積河流可以把河槽淤高到幾乎與岸頂齊平。
  2. Technical standard for measurements of bed load and bed material in open channels

    河流推移質泥沙及床沙.測驗規程
  3. Hemagglutinins inhibition ( hi ) testes showed that there were obvious variations among the isolates from different geographical areas. this result explained why the protection rates of current vaccine were different around the country. dna sequence analysis of h9 hemagglutinin genes showed that these viruses were closely related and possibly came from one source

    且在同一地域內，不同的異變體之間的差異較小，隨著時間的推移，其變異並不明顯；但在不同的區域內分離的毒株之間變異較為突出，這表明中國大陸h9n2亞型禽流感病毒不同分離株抗原性是與地域的改變而發生較為明顯的變異。
  4. This paper aims to trace the history of the formation of welfare measures since the middle age in england - how it dealt with the problems of homeless, poverty, and pauperism ( welfare - dependence ), and how it was transformed into poor law policies and social welfare administration

    摘要本文旨在探討英國自中世紀以來尋求處理流浪、貧窮及福利依賴的種種措施，因凡此各項法令規章隨著時日推移，從而逐漸演變?后來政府的濟貧方法社會福利行政。
  5. This paper aims to trace the history of the formation of welfare measures since the middle age in england ? how it dealt with the problems of homeless, poverty, and pauperism ( welfare - dependence ), and how it was transformed into poor law policies and social welfare administration

    摘要本文旨在探討英國自中世紀以來尋求處理流浪、貧窮及福利依賴的種種措施，因凡此各項法令規章隨著時日推移，從而逐漸演變為后來政府的濟貧方法社會福利行政。
  6. The theory of minimum entropy production or minimum rate of energy dissipation shows that a river is stable when it is in a relative equilibrium condition. ( 3 ) the river facies formulas of alluvial river have been developed using the theory of minimum rate of energy dissipation together with flow continuity and motion equations, suspended load transport or bed load transport equation. ( 4 ) the causes of the river patterns are explained using the theory of minimum rate of energy dissipation

    （ 3 ）基於最小能耗率原理，以水流能耗率作為目標函數，以水流連續方程、水流運動方程及懸移質挾沙力公式或推移質輸沙率公式作為約束條件，通過對目標函數求條件極值，分別推導出以懸移質造床為主的顯式河相關系式和以推移質造床為主的顯式河相關系式。
  7. Conclusion the measles in adult is diverging and tends to occur at the end of spring and at the beginning of summer

    結論成人麻疹散發，流行季節有向春末夏初推移趨勢。
  8. As time passed away, from the reform movement of 1898 to exile in japan, then drew his political career to close after traveled in europe, liang qichao ' s view of chinese education kept on altering

    此外另有一條時間暗線貫穿其中，從戊戌變法到流亡日本，再到歐洲游歷後退出政壇，隨著時間的推移，梁啟超關于語文教育的觀念也在發生著變更。
  9. The additional resistance caused by sediment transport of bed - load and suspended load is derived from mean energy equation of sediment - laden flow, and the variation of resistance in sediment - laden flow is discussed

    從挾沙水流的平均能量方程出發，得到了推移質附加阻力的計算公式及懸移質附加阻力計算公式，並對挾沙水流的阻力進行了討論。
  10. Hydroelectric power exploitation can reduce sediment disposal, lengthen life of power plants in lower stream, control stream, better water quality, and reduce contamination etc. considering the structure of power of sichuan province and pointing out its six problems in power development, this thesis comes up with sustainale development strategy of sichuan hydroelectric power exploitation, that is, prefentially exploit large scale hydropower plant which has good water - adapting capability, comprehensively use water resource, try to reduce cost caused by drowning, stimulate rotating exploitation, well deal with settlement of people in hydroproject construction, and alleviate contamination

    論述水電開發在減緩泥沙淤積、延長下游水電站壽命、調控水流、提高供水量、改善水質、提供清潔能源、減少環境污染等方面對長江上游生態屏障建設的作用。本文研究分析了四川水電開發的可持續發展戰略，首先對四川省電力結構現狀進行了分析，指出目前四川電力發展存在的六個主要問題，從優先開發具有良好調節性能的大型水電站、綜合利用好水資源，盡最大可能減少水庫淹沒損失，積極推進流域梯級滾動綜合開發，處理好水庫移民關系，減輕對環境的不利影響等六個方面論述了水電開發的可持續發展戰略。
  11. Their downcuting velocity accelerates except luohe river round luochuan. the erosion velocity of weihe river round tianshui and jinghe river round binxian reduced, and the lateral erosion velocity of luohe river round luochuan reduced. this may be due to the reduced flow

    天水渭南鎮段渭河、彬縣段涇河的侵蝕速率呈脈動式減小，秦家河段洛河側蝕速率逐漸減小，這可能與河水流量隨時間推移逐漸減小有關。
  12. All the applications of the three models obtain inter - confirmed results so that the credible hydraulic conditions could be provided for the further calculation of the bedload transport

    由於採用多種模型對長江河口水流進行數值模擬，便於相互印證，從而為長江口推移質輸沙計算提供了可靠的水力依據。
  13. 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:採用正交曲線坐標系下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流勢、流態、灘槽流速、主流位置、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移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
  14. The main features in the study of flood forecasting and control system are as follows : ( 1 ) runoff generating and confluence theory and hydro - dynamic method are adopted to predict the water level of taihu lake and key nodes, the basin wide forecasting and control system with the function of real time correction has been first established in plain river network to meet the complicated flow conditions of taihu lake basin and to enhance the reliability of forecasting results ; ( 2 ) according to the rainfall in foreseen period multiple schemes can be made in the forecasting model and adjusted with time, which overcomes the errors caused by the uncertain rainfall in the foreseen period so as to make the forecasting results approach reality

    本文所研究的預報調度系統有如下特點： （ 1 ）本系統採用產匯流理論和水動力學方法預報太湖及重要節點水位，首次在平原河網地區建立了具有實時校正功能的全流域預報調度系統。以適合太湖流域復雜的水力條件，增強預報的可靠性; （ 2 ）預報模型可以根據預見期降雨量進行多方案預報，並隨時間推移，可以實時進行調整，克服由於預見期降雨不確定引起的誤差，使預報結果更接近實際。
  15. According to the theories of the energy dissipation of wave - water and sediment movement and based on the bottom sediment load formula developed by dou guoren, a formula to calculate the transport of the bottom sediment, which includes the bed load and part of suspended load, under the joint action of waves, tidal currents and wind - currents is derived

    摘要根據波動水流能量及泥沙運動原理，參考了竇國仁推導底沙輸沙量的方法，推導出波浪、潮流和風吹流共同作用下的底沙輸沙量（包括推移質和部分懸移質輸沙）計算式。
  16. 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曲線流之下，閉凸曲線周長保持不變、所圍區域的面積不斷增大而曲率保持恆正（從而保持凸性） ，並且，隨著時間的推移曲線變得越來越圓，最終當時間t趨向于無窮大時，曲線在hausdorff度量意義下收斂到一個圓周。
  17. Then, the influence of several hydraulic factors on the bedload transport is discussed. it is concluded that the amount of bedload transport is dominated by the runoff discharge in the datong station, and partially influenced by the range of tide

    文章進一步分析了各個水力要素對推移質輸沙的影響，發現長江口推移質輸沙總體上受大通流量控制，潮差對于推移質輸沙的影響只有在洪季才變得明顯。
  18. Ann is a adaptive and non - linear dynamic system made from superposition of many simple components which we call neuron. the question for computation of d _ ( cmax ) belongs to incipient motion of sediment in essence, which is the same question with two different sides, because computation of critical condition ( including critical velocity critical shear stress critical power ) for a grain size under a bed - load condition is equal to computation of a grain size during incipient motion under the bed - load condition and the water flow condition given before. and computation of gross bed - load transport rate has great relationship with standard of incipient motion

    對于d _ （ cmax ）的推求，在本質上還是泥沙的起動問題，因為尋求某種床沙條件下某級泥沙的起動條件（如起動流速、起動切應力、起動功率）和尋求某種水流和床沙條件下的起動粒徑是同一問題的兩個方面而已；而對于推移質總輸沙率推求也和泥沙起動問題中的起動標準選擇緊密相關。
  19. The measured data show that the bedload sediment transport rate is related more closely to the effective stream power within the bed - surface layer than to the river stream power

    實測資料表明，推移質輸沙率與床面層內有效水流功率有良好的相關性，且高於推移質輸沙率與水流功率的相關性。
  20. Based on the relationship between energy and flow within the bed - surface layer, a relationship between the bedload sediment transport rate and effective stream power within the bed - surface layer is derived

    摘要基於床面層內的水流能量關系，推導了推移質輸沙率與床面層內有效水流功率的關系式。
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