bedload 中文意思是什麼

bedload 解釋
泥沙等
  1. 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。
  2. The daling river is a river of much bedload. the average of the loss sand can reach 21434. 3 thousandston, and the ratio is 18. 08 kg / m3. to this day, the ratio of sandiness by measuring in the biggest broken surface is 172 kg / m3. the baishi reservoir lies in the city named beipiao which in the middle reaches of the daling river in liaoning province, the income of the reservoir from the trunk stream is 11457 thousandston, and from the branch of the river is 1160 thousandston

    大凌河是個多沙河流,多年平均懸移質輸沙量可達2143 . 43萬噸,平均含沙量為18 . 08kg m ~ 3 ,實測最大斷面含沙量為172kg m ~ 3 ,白石水庫位於大凌河中游的遼寧省北票市,年入庫沙量,幹流為1145 . 7萬噸,支流?牛河為1160萬噸。
  3. 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。
  4. 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。
  5. 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。
  6. 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。
  7. 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。
  8. 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。
  9. 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。
  10. In this paper, gravel characteristics and variety along the river were studied with digital image technology ; variety of grain sizes distribution of the river bed along jinmahe section in minjian river was analyzed ; several representative formulas of bedload transport rate were proved according to the field data of dujiangyan

    本文採用數字圖象技術研究了卵石顆粒的幾何特徵及沿程變化;分析了岷江金馬河河段河床質級配的沿程變化;根據都江堰的輸沙率資料論證了幾家有代表性的推移質輸沙率公式的實用性。
  11. The achievement of this paper has an important reference value in analyzing the mechanics of bedload movement in the mount river without field data

    本文的研究成果對分析沒有實測資料的山區河流卵石推移質的運動規律具有重要的參考價值。
  12. A apparatus designed for testing the characteristic of bedload startup

    泥沙起動特性測試儀研製
  13. Yellow river which is the second big river of china is famous to the world because of high content of bedload

    黃河,是我國第二大河流,以泥沙含量高而聞名世界。
  14. In this paper, a brief review of the basic theory and the computational methods for bedload transport have been made with the emphasis on the great influence of bedload on the bed - forming in rivers. a new way is proposed by using numerical simulation to study the nonuniform bedload transport in the changjiang estuary

    本文概括了推移質輸沙的基本理論和計算方法,闡述了推移質在河床演變中的重要作用,在總結非均勻推移質輸沙研究現狀的基礎上,提出利用數值模擬手段研究長江河口非均勻推移質輸沙的思路。
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