床沙質 的英文怎麼說

中文拼音 [chuángshāzhí]
床沙質 英文
bed material load
  • 床 : i 名1 （供人睡覺的傢具） bed; couch 2 （像床的器具、地面） something shaped like a bed Ⅱ量詞（用...
  • 沙 : 沙動詞[方言] （搖動以清除雜物） shake
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 沙質 : sandiness
  1. Even at meridiani, basaltic sands lie atop the lake sediments, indicating that the site has been parched for two billion to three billion years

    甚至在子午線地盤，玄武巖質的沙披覆在湖床沉積物上，顯示此地已經乾涸了20 ~ 30億年。
  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. Our company is specialiaed in producing varous styles of outdoor products and the series of the leisure chairs, such as camping chair arm chair, folding chair made of good quality fabric and alum or iron tube, camping bed, etc. our products, novel in design, reasonable in structure, beautiful in shape and easy to handel, have been exported to many countties such as europe, america and oceania, gaining favourable comments from the clients with strict management, high quality and excellent service. " quality first, customer supreme " is the constant pursuit of our company and our pronise is that " guarantee quality, prompt delivery, competitive price " we sincerely hope to cooperate with you

    沙灘椅，折疊椅產品有休閑椅沙灘椅折疊桌椅搖椅釣魚凳行軍床蹦床花架等質量居國內同我公司是專業生產戶外休閑用品的外貿型企業，公司設備先進技術力量雄厚，主要行業前茅。目前產品已遠銷歐亞美等十幾個國家和地區，深受海內外客商好評。
  4. 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。
  5. 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。
  6. It has been proved, the bed material load, wash load and total load follow the same rule of carrying capacity

    證實了床沙質、沖瀉質與全沙具有統一的挾沙能力。
  7. Under experimental condition, the seeds of mosla chinensis maxim were pretreated with single and combined chemicals, and consequently indicated that : germination of such seeds in wet sand germinating bed was easier by kno3 ( 1. 0 % ) than that by other singgle chemical and combined chemicals

    摘要在試驗條件下，分別用幾種不同的試劑單獨或聯合對石香蕾種子進行預處理，結果表明：用質量分數1 . 0 %的kno3進行預處理的石香薷種子，在濕沙發芽床上萌發效果較其它不同濃度的試劑均要好，而幾種試劑聯合預處理對石香薷種子萌發的促進作用不明顯。
  8. Regarding natural sand of the spot as model sand, using series model, and under the interaction of irregular wave and tidal current, a systematic test on scouring around pile of land - island approach bridge of jiangsu lng receiving station is carried out

    摘要以現場天然沙為試驗床質，利用系列模型，採用不規則波與潮流相結合的方式，對江蘇lng接卸站陸連島橋樁基周圍的沖刷情況，進行了系統試驗。
  9. Many geological and hydrological factors of the river section, where the yellow river water intake engineering is laid out, such as the capacity of the reservoirs along the river section upstream and downstream, the rate of the flow discharge, the erosion and silt of the watercourse, the form of the riverbed and the water current, ice tuck, the convergence of the upstream branches of the river section, flood crest, sand crest size, the capacity for flood discharge of the watercourse, the effect of flood control structure around and the impacts on surrounding environment and the third person " s legitimate rights and interests, should be considered

    黃河取水工程的布設要考慮工程所處河段的地質水文等諸多因素。如該河段上下游水庫的庫容，泄水流量、河道沖刷、淤積、河床形態、水流形態、冰塞、河段上游的支流匯入、洪峰、沙峰的大小、河道行洪能力的大小、周圍防洪工程的影響及對周圍環境和第三人合法權益的影響等等。
  10. Based on the topographic features and data of sediment particle size of bed load at the fluctuating backwater reach of liujiaxia reservoir, the streamwise variation and variation process of median diameter of bed load during silting and scouring periods of the fluctuating backwater reach are analyzed, and it can be seen that the turning point for the sediment diameter variation from coarse to fine is located at the outlet of shigou gorge of the fluctuating backwater reach

    摘要根據劉家峽水庫變動回水區的河段地形特徵和歷年河床質泥沙粒徑級配資料，分析了變動回水區河段淤積和沖刷時，河床質泥沙中值粒徑的沿程變化和歷年河床質泥沙中值粒徑變化過程，並指出粒徑分佈由粗變細的轉折點在變動回水區寺溝峽峽口處。
  11. 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。
  12. Through theoretical computation and experimental observation, it is put forward that the maximal depth of the scoured pits of the embankment is from ten to thirteen meters, and for several pits whose top are rinsed by main flow continuously, their scoured depth have reached twenty meters

    經過理論計算和試驗觀測研究，提出了仁存渡以下沙質河床，丁壩最大沖刷坑水深為10 ? 13米，個別受主流持續頂?的丁壩，最大沖刷坑水深可達20米。
  13. In the suspended sediment transport model, the method of shear stress is adopted to determine the source function in the suspended sediment diffusion equation. through a series numerical experiments and statistical analyses of observed field data, a local coefficient, which can reflect the bottom material and consolidation, is introduced into the classic critical erosion velocity of the sediment

    懸沙輸運模型利用切應力方法來確定對流擴散方程中的泥沙源函數，其中的臨界起動速度利用經典的泥沙起動流速公式前面增加一個局地系數得到，這個系數能反映河床底質結構及固結程度，通過系列數值試驗和實測資料的統計分析確定。
  14. This was a particularly severe problem in the lower shing mun river in sha tin, but dredging and a bio - remediation project undertaken in 1997 made a huge difference to the smell of the river

    沙田城門河下游以往曾有河水發出惡臭的問題。政府於1997年治理河道，在河床口進行挖掘污染沉積物工程及利用生化處理方法改善沉積物質素，難聞氣味已較以前大幅度減少。
  15. In order to explore harness scheme, layout, measurements and parameters concerned of the project, which are appropriate for the characteristic and the evolvement law of the watercourse of ningxia section of the yellow river, the study on the experiment of the scoured pit of the dam buttress and runoff of the root rock of ningxia section of the yellow river is of important theoretical meaning and practicable value

    河道床質也不相同，仁存渡以上河段為沙卵石，以下河段為沙質。為了探索適宜黃河寧夏段河道特性和演變規律的整治方案、工程布局、工程措施及有關參數，開展黃河寧夏段河道壩垛沖刷坑和根石走失試驗研究，具有十分重要的理論意義和實用價值。
  16. 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。
  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. 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。
  20. 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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