輸沙量 的英文怎麼說

中文拼音 [shūshāliáng]
輸沙量 英文
amount of sediment transport
  • 輸 : Ⅰ動詞1 （運輸; 運送） transport; convey 2 [書面語] （捐獻） contribute money; donate 3 （失敗） l...
  • 沙 : 沙動詞[方言] （搖動以清除雜物） shake
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  1. A statistical model is developed and indicates high correlation between the accretion of modem yellow river delta and the water and sediment discharge of yellow river, and the model shows the necessary water and sediment discharge per year to ensure the equilibrium of alluvion and erosion of yellow river delta

    黃河三角洲凈造陸面積與黃河入海水沙量的統計模型說明，黃河三角洲沖淤動態平衡時的黃河入海徑流量為71 . 93億m ~ 3 a ，輸沙量為1 . 853億t a 。
  2. The weser estuary in germany, with broad beaches, lots of sand bars and many tributaries, is characterized with a great quantity of sediment transport due to tidal current ' s movement in the fluvial bed of fine sediment

    摘要德國威悉河口灘地寬廣，有無數的沙洲和許多大的分流，潮流在主要為細沙的沖積河床中運動，泥沙輸移量極大。
  3. 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。
  4. Aiming at the ecological environmental deterioration of bashang, from 2002years to3 ~ 5months of 2003 years. sand - transporting quantity of land cover types were on - the - spot moinitoring in gale seaon, comparing the productivity of the main crops. improving environment and developing economy are compositively considered for applying returning cultivated to woodland and grassland to supply the base of theory and technology. the main results as following : 1 observing the sand transporting quantity of artificial grassland, stubble land and cultivate land. indicates that when wind speed is higher ( 8. 0m / s ), the sand transporting quantity of artificial grassland of 200cm reduces 35. 5 % in average more than that of cultivate land, 34. 5 % sand - transporting quantity than that of stubble land. no distinct difference between stubble land and cultivate land. and when wind speed is lower ( = 5. 0m / s ), the sand - transporting quantity of coverage is no distinct difference according to the analysis of variance

    從改善環境和發展經濟兩方面綜合考慮，為實施壩上地區「一退雙還」提供了理論與技術依據。主要研究結果如下： 1對人工草地、作物留茬地及耕翻地的輸沙量觀測表明：勁風（ 8 . 0m s ）下，人工草地比對照耕翻地輸沙量在200cm高度內平均降低了35 . 5 ，比作物留茬地平均降低了34 . 5 ；作物留茬地輸沙量與耕翻地差異不顯著；微風（ 5 . 0m s ）下，不同地表覆被類型對輸沙量的影響差異不顯著。
  5. 2 comparison with the sand transporting rate of cultivate land, cultivate afterward harrowing land and flat bare land indicate that the sand transporting quantity of cultivate land and cultivate afterward harrowing land is separately lower than - flat bare land 88. 2 % and 66. 2 %

    2對耕翻地、耕后耙地以及平坦裸地輸沙量觀測，表明耕翻地與耕后耙地分別比對照平坦裸地的輸沙量降低了88 . 2與66 . 2 。
  6. The analyzed results are as follows : the late 1960 ' s cutoff of riverbends increased both the runoff amount and the sediment transport amount of the lower reach of jingjiang river, while the sediment deposition decreased in the lkngting lake area ; after the mid 1980 ' s, both the middle reach of yangtze river main stem and the dongting lake occurred a trend of decreasing annual sediment transport as a result of decreasing sediment releasing from the upper reach of yangtze river ; and in the recent 3 years ( 2003 - 2006 ), the three gorges reservoir first impoundment additionally reduced the sediment concentration in the middle reach of yangtze river flow with a long time, so a distance would be quite long for suspended sediment recovery, but the distance for bed - material load of suspended sediment recovery would be quite short

    分析結果表明： 20世紀60年代下荊江裁彎后，三口（松滋口、太平口、藕池口）分流分沙減少，下荊江徑流量和輸沙量相應增加，洞庭湖泥沙淤積減少； 80年代中期以後，長江中游幹流及洞庭湖出口的年輸沙量呈減少趨勢，城陵磯至武漢河段河床由淤積轉為趨向沖淤平衡；三峽工程初期蓄水運用后，長江中游含沙量沿程恢復距離較長，但床沙質部分恢復距離相對較短。
  7. Analysis of water and sediment materials from main hydro - stations in the upper reaches of the yellow river in qinghai province showed that, the area in the upper reaches of the yellow river was only 23. 4 % of the total yellow river basin, while its runoff was 47. 5 %, and sediment yield was only 3. 86 % of that of the whole basin, so it was a major area of water production and supply

    利用青海境內黃河上游主要水文測站的資料，對境內水沙來源及組成進行了分析，認為該區面積只佔黃河流域面積的23 . 4 ，而徑流量佔47 . 5 ，輸沙量只佔3 . 86 ，是黃河的主要產流區和水量供給地之一。
  8. The results indicated that with the change of water and sand condition and the altitude of tongguan and the development of the industry and agriculture in recent decades, the water environment of wei river had changed largely, which were shown as follow : annual runoff and seasonal flood decreased sharply ; water stream of large discharge decreased and the range of runoff decreased greatly ; sediment load per year decreased generally, sediment concentration of water increased, and the sand silting up was serious ; water channel swung and shrank, and water regime deteriorated ; frequencies of big floods decreased obviously, and hyper concentrated flood increased obviously ; water levels of the same runoff rose universally, and the frequencies of the floods increased and aggravated ; water pollution was very serious

    結果表明，近期隨著水沙條件、潼關高程等的變化及工農業的發展，渭河的水環境發生了巨大變化，表現在年水量及汛期水量銳減；大流量級水流出現次數減少，水量減少幅度大；年輸沙量總體減少，河水含沙量增大，泥沙淤積嚴重；河道向擺動型發展，河道萎縮，河勢惡化；大洪水發生的次數顯著減少，高含沙小洪水明顯增多；同流量洪水位普遍抬高，洪災發生次數增加，洪災加重；水質污染極為嚴重。
  9. The result shows that annual rainfall in the 15 coming years will increase by about 6 %, annual rainfall fluctuation will increase and rainfall concentration in a year tends to increase, which will make flood and sediment increased

    結果表明：未來降水量比多年平均值增加6 %左右，且年際波動性增大，年內分佈更加集中，洪水量和輸沙量有增大的趨勢。
  10. 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。
  11. Considering the influence of dynamical factor of sediment discharge as well as the difficulty of calculating number of input cell, the model is provided with strong nonlinear mapping capacity and applied to simulate and forecast monthly sediment discharge of longchuan river watershed, the outcome is reasonable with higher precision

    模型既能考慮到影響輸沙量時間序列的動力因子，又能解決網路的輸入單元數確定的困難和利用神經網路超強的非線性映射功能，通過對龍川江流域控制站月輸沙量的擬合與預測表明其結果合理，預測精度較高。
  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. With the co - environment deterioration, the sediment transportation and concentration are increased by 4 % every 12 years from 1950 to 1985

    在上游生態環境破壞程度日益加劇的情況下， 1950 1985年長江輸沙量、含沙量約每12年以4 %的速率緩慢增長， 1992 1997年大量減少。
  14. Fluid machinery in these areas is damaged due to cavitation and sand abrasion, which has threaten directly the safety operation of hydraulic and hydroelectric engineering, causing huge economic losses. the research, therefore, on the combined effect of cavitation and sand abrasion is of great significance. the researchers at home and abroad have done a lot of work on this issue

    我國許多河流的含沙量較大，如著名的黃河幹流年均含沙量達37 . 9m ~ 3 / s ，黃河三門峽的年平均輸沙量達16億t ，這些地區使用的泵、水輪機等許多流體機械都在夾沙水流的作用下，受到了沙粒磨損與空化剝蝕的聯合破壞，這種破壞直接危害了水利水電工程的安全運行，造成了巨大的經濟損失，因而對含沙水流條件下空化剝蝕與泥沙磨損聯合作用進行研究有著很大的工程實際意義。
  15. Based on analysis of chaos characteristic of sediment discharge time series, bp neural networks model based on chaos phase space is proposed to forecast the sediment discharge through embedding dimension

    在對輸沙量時間序列混沌特性分析的基礎上，利用嵌入相空間來確定前期影響因子，建立了基於混沌相空間技術的bp神經網路模型。
  16. By analyzing the runoff and sediment characteristics of tao river basin, it can be concluded that the main sediment - yield region is loess area between lijia village and hongqi zone where sediment yield in flood season ( june to september ) is more than 81 percent of the mean averaged over years

    分析了流域水沙特性：洮河流域泥沙的主要產地是李家村-紅旗區間的黃土地區；汛期（ 6 - 9月）輸沙量佔多年平均的81以上。
  17. The analysis shows that the average annual runoff volume has a little increase due to human activities after management, but the average annual sediment production has greatly decreased

    通過分析發現，治理后流域內的人類活動使年均徑流量比治理以前略有增加，而年均輸沙量卻比治理以前大幅度減少。
  18. Through the statistics and analysis of runoff and amount of sand lost in the downstream of weihe in recent years, it is discovered that in the downstream of weihe the magnitude sand season was ahead of the main flood season relatively within the year ; variation tendency of annual runoff and amount of sand lost was identical basically, and the quantity of water and sand at huaxian gauging station was tailing - off continuously from the 1960 to 2005 ; there was direct relation between the situation of rushing or silting deposits and rainfall at this section of the river : the river depositing in the year which is rich rainfall, the eroding in the poor rainfall

    摘要本文通過對近6年渭河下游水沙量數據的統計和分析得出，渭河下遊河段年內多沙期較河流主汛期有所提前；年徑流量和年輸沙量的變化趨勢基本一致，而且自60年代至2005年華縣站的水沙量持續呈遞減趨勢；河流的沖淤情況與該河段的降雨量有著直接的關系，當年平均降雨量小的時候河流以淤積為主，當年平均降雨量大的時候河流以沖蝕為主。
  19. There are lots of factors which influence the evolvement law of sediment discharge, and it is very difficult to be known and gained, it results in low precision of simulation and forecast

    摘要影響輸沙量演變規律的前期因素比較多，且難于確定和提取，這就造成對輸沙量的擬合和預測精度較低。
  20. With all these ways, the sediment transportation and concentration of the yangtze river will be half of nowadays for a long time and close to the situation of the tang and song dynasty

    治水必治沙，通過「蓄水減沙，借水攻沙」的工程措施，和堅持不懈的水土保持， 「標本兼治」 ，可使長江輸沙量、含沙量長期減少1 / 2 ，恢復到唐宋時代水平。
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