推移質 的英文怎麼說

中文拼音 [tuīyízhí]
推移質 英文
bed material load
  • 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
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 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. Bed load particles move spasmodically, perhaps at long intervals, and are at rest on the stream bed most of the time.

    推移質顆粒多半作間歇運動，而大部分時間則停歇在河床上。
  3. 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
  4. The deposition of bed load sediment was greatly reduced in the sump by adding a flushing gallery

    通過在集水池底設置排沙廊道，較好地解決了推移質泥沙淤積問題。
  5. The scale effects due to unsimilar bed risistance is discussed in detail, and the correct way of scour depth is supposed. at last, a new transport rate formulas of uniform or nonuniform bed load is given

    本文還對由於阻力不相似而引起的比尺效應進行了較詳細的討論，從理論上給出了沖刷深度比尺效應的修正方法及新的均勻、非均勻推移質輸沙率的計算公式。
  6. Bedload is the main factor resulting in bed form for few sands of suspend load in the river bed

    河床質中幾乎沒有懸移質顆粒，對河床演變起主要作用的是推移質泥沙。
  7. 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。
  8. 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。
  9. 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。
  10. 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
  11. 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。
  12. 1 - d and 2 - d model for non - uniform bedload transport are applied to compute the amount of bedload in the south branch of the changjiang estuary. it can be found that the peak value of bedload transport in a tidal cycle, computed by 2 - d model, is obviously larger than that computed by 1 - d model, which is induced by the disequilibrium of bedload transport in cross - river direction

    在此基礎上，將非均勻推移質公式推廣到二維計算，並與一維計算結果作了對比，發現兩種計算所獲得的凈輸沙量相差不大，但二維輸沙過程線峰值較一維計算要大，這正是河道內推移質運動橫向不均勻性的體現。
  13. 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。
  14. 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。
  15. Computing the maximal grain size during incipient motion d _ ( cmax ) and gross bed - load transport rate in non - uniform sediment with a wide distribution are two important indexes for description its transport law, and it is also a core question for discussion in non - uniform sediment research

    寬級配非均勻沙最大起動粒徑d _ （ cmax ）和推移質總輸沙率的推求是刻畫非均勻沙推移質輸移規律的兩個重要指標，也是研究非均勻沙運動規律的核心課題之一。
  16. Finally, bedload transport rate of dujiangyan was computed with several representative formulas

    分別用幾種有代表性的輸沙率公式計算了都江堰河段的推移質輸沙率。
  17. 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。
  18. 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。
  19. Based on 9 years ' field data of bed - load transport and the corresponding hydraulic parameters at the erwangmiao hydrology station on dujiangyan river, 6 formulae for the prediction of the sediment transport are analyzed

    摘要以都江堰二王廟水文站9年實測的卵石推移質輸沙率資料和對應的水力參數為基礎，選用6個有代表性的公式進行了分析計算和對比。
  20. Verification results of more than 2800 runs of channel experiment data and field data show that this formula has good applicability and high accuracy, and is better than the other formulae for bedload sediment transport rate based on the stream power

    經2800組試驗資料與天然河流資料的檢驗表明，該關系式的適應性良好，計算精度較高，並優于同類型的基於水流功率的推移質輸沙率公式。
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