damming 中文意思是什麼

damming 解釋
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  1. On the other side of the atlantic, the damming of african rivers has led to the spread of human blood flukes that depend on snails as a host and cause human schistosomiasis

    在大西洋的另一邊,由於非洲河川建了水壩,導致以螺類為寄主的人類血吸蟲到處散播,引發人類的血吸蟲病。
  2. The effect of groyne length and layout on water surface is analyzed in the paper. based on the results of simulation and experiment, the local energy loss of the flow due to the groyne is studied. consequently the surface variation and height of damming are also analyzed

    論文分析了丁壩長度與布置對水面線的影響,根據流場、紊動場模擬結果和實驗結果研abstract究丁壩造成的水流局部能量損失,並對水面變化和丁壩奎水高度進行了分析。
  3. In this paper, we study the most serious damming section of the east - one main canal, which is from the entrance of the hao wan flume ( chainage12 + 123. 6 ) to the exit of shang tian yuan tunnel ( chainage24 + 091. 1 ). the main content is analyzing the flow characteristic of the canal, setting up mathematical model of the discharge condition of the east - one main canal, according to the survey section and actual roughness factors, building, bend and so on, we divided the canal into more than loocaculation segments. each segment is calculated by microsoft excel electrical table through computer as permanent transition flow of non - prismatic channel

    本論文研究的渠段為陸渾灌區東一乾渠壅水最為嚴重的渠段,從郝灣渡槽進口(樁號12 + 123 . 6 )至上天院隧洞出口(樁號24 + 091 . 1 ) ,其主要內容是,分析渠道水流特徵,建立東一乾渠輸水狀況的數學模型,根據測量斷面及實際糙率、建築物、彎道等因素的不同,將渠道劃分成120多個計算段,每段按非稜柱體恆定漸變流,運用microsoftexcel電子表格進行編程計算。
  4. China ' s leaders long dreamed of damming the yangtze, in part to harness its power, but primarily to prevent catastrophic flooding

    建設長江大壩是中國領導人長期以來的夢想,一方面是想利用其水利資源,但更主要的是為了防止洪災。
  5. The main measures are : damming improving flow condition riverbed excavation etc. riverbed excavation is always used in reducing velocity of a channel with bad flow condition. in singularity channel, velocity can be reduced with the increase of crossing area by excavating riverbeds

    整治採取的主要措施有:築壩壅水、改善流態、開挖河槽等等,對于流態惡劣的急流灘,常採用開挖河槽擴大過水斷面面積的方法來降低航道流速。
  6. Population of the chinese sturgeon migrates to yangtze river every year has decreased from about 2176 individuals shortly after ge zhou damming to 1000 or so at present

    每年洄遊至長江的中華鱘產卵群體數量,已從葛洲壩截流初期的約2176尾下降到目前的1000尾左右。
  7. Damming technique by sand - earth exchange with filtering fabrics and cushion with long tubular sackcloth

    抽沙充填土工織物反濾布長管袋褥墊築壩技術
  8. The damming technique is relatively perfect now, but because of the problems in construction management are more and more severe, such as construction scheme and matching machine, which manifest the high construction expenses

    雖然碾壓混凝土築壩技術已達到較成熟的地步,但是由於採用不同施工組織方案和機械配套方面存在的施工管理問題越來越突出,這集中反映了碾壓混凝土壩施工費用的巨大浪費。
  9. The scale and height of rolling - concrete are spread increasingly, such as the technique studied recently that the 300 meters high gravity dam and the 200 meters high arch dam, which requires more experience in the damming technique, construction crafts and mechanization

    目前,碾壓混凝土壩的規模和高度正在日益擴大, 300m級的碾壓混凝土重力壩和200m級的碾壓混凝土拱壩的研究正方興未艾,對碾壓混凝土築壩技術、施工工藝和機械化程度的要求也更高。
  10. The damming caused by a bridge pier is one of the aspects considered intentionly while building a bridge on a river which flood control standard is low and flood control cost is high so the study of damming is of important value

    橋墩壅水是在防洪標準低、防洪費用高的平原河道上修建橋梁時必須重點考慮的問題之一,其研究具有重要價值。
  11. The experimental results in a physical model are adopted to verify the simulated damming heights

    採用模型試驗資料驗證了壅水高度計算結果。
  12. In this paper, applying the theory and method of system engineering and administer accountant, combining the huatan project, the optimization among the construction scheme matching machine and expenses were studied thoroughly. through the simulation and optimization in construction process, mixing and transport subsystems of huatan dam, and analyzing the influence factors of damming capability, establishing the correspond systems analysis software of dlp model

    本文應用系統工程、管理會計的理論和方法,並結合花灘碾壓混凝土大壩工程實踐,系統而深入地研究了築壩的施工方案、機械配套和費用優化,對花灘碾壓混凝土壩施工過程、拌和運輸子系統的模擬和優化,分析了碾壓混凝土澆築能力的影響因素,建立了dlp模型相應的系統分析軟體。
  13. The long - time ecological effect of eutrophication control measures such as damming, dredging, diluting etc

    結果表明,大部分湖區浮游植物群落結構與治理前基本相同,仍以藍藻占絕對優勢。
  14. The gravelly soil is a better kind of damming material. it ' s usually used as impervious core and also as dam shell

    礫質上是一種良好的築壩材料,既能作防滲材料,又能填築壩殼。
  15. That the predicted values of damming height agree well with the exprimental results proves the validity of the numerical model

    壅水高度的計算結果與模型試驗資料吻合較好,證明了數值模型是可靠的。
  16. On the basis of the result of the research on the landslide damming of river, failure of landslide dam, outburst flood and landslide surge, the failure of the part of landslide will arise a maximum surge height to 6m at the dam site, at the same time, the height of landslide dam will reach possibly 33m, and the flood peak of outburst flood will reach 15841 ~ 7613m3 / s, and make water level to rise at 11 ~ 4m through jinjiang to xiluodu of the jinsha river

    堵江潰壩及涌浪研究結果表明,局部的邊坡失穩在壩址處引起的涌浪高達6m ,並可能形成高約33m的滑坡堵江壩,潰決洪水將在金江至溪洛渡河段形成15841 7613m ~ 3 / s的洪峰流量,使得此段江水位上漲11 4m 。
  17. Clearing a forest, draining a wetland, damming a river or dynamiting a coral reef to kill its fish can more readily eliminate species with small ranges than more widespread species

    分佈?圍小的物種跟?圍大的物種比起來,更容易因森林砍伐、濕地乾涸、河流築壩或珊瑚礁炸魚等原因而絕滅。
  18. In this thesis a numerical model to solve the planear 2 - d depth - integrated flow ( dif ) has been established with irregular body - fitted mesh finite volume method and explicit maccormack predictor - corrector method and applied to the study of damming caused by a bridge pier under 14 working conditions varied with the combination of different pier shape. flow rate and contraction ratio

    本論文採用非規則貼體網格有限體積法和顯式maccormack預測-校正法求解平面二維水深積分方程,對明渠水流運動的數值模擬方法進行了研究,並且應用該數值模型計算了14種不同的橋墩體型、來流、收縮比的組合工況下的橋墩壅水問題。
  19. This paper study the jinjiang landslide, integrative application of geological history genetic analysis, limiting equilibrium method and numerical analysis, by analyzing physical geography condition and geological background of the investigated area, this paper researched basic features and genetic mechanism about the landslide, and evaluated sensitivity factors and the current stability as well as development tendency about the landslide ' s stability ; based on these, recurring to experience formula and correlation theory, this paper forecasted the events about landslide damming of river and surge caused by the slope failure, in addition, and evaluated the harmfulness

    本文以該滑坡為研究對象,綜合運用地質歷史成因法、極限平衡方法及數值分析法等方法,通過對研究區自然地理及地質背景的分析,研究了滑坡的基本特徵及成因機制,評價了影響滑坡穩定性的敏感性因素及其發展演變狀況;在此基礎上,運用經驗公式以及相關理論計算對滑坡失穩可能引起的堵江及涌浪事件進行分析預測,並進一步對其危害性做出評估。
  20. The progress in the study of the natural damming of river and its environmental effect

    中國崩滑堵江事件及其環境效應研究
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