水流截面 的英文怎麼說

中文拼音 [shuǐliújiémiàn]
水流截面 英文
water cross-section
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • 水流 : 1. (江河) rivers; streams; waters2. (流動的水) current; water flow; fluent; flow; [水文] stream current
  1. At the end of 2003, the dry weather flow interceptors that had been installed along the kai tak nullah were upgraded and turned into an enclosed conduit that helped reduce the odour problem

    在2003年底,啟德明渠內裝置的旱季設備進行了一項全的改善工程,轉換為密閉式導管,以紓緩渠惡臭的問題。
  2. It analyzes the hydrologic effect from the aspects of rainfall interception of plants, splash erosion reduction and surface runoff control, analyzes the mechanical effect from the aspects of tensile strength of single root of plant, root - soil interaction, root - soil composite and slope stability and finally approaches to the future development orientation of slope protection by vegetation

    從植物的留降、削弱濺蝕和抑制地表徑等方分析了植被護坡的文效應,並從植物單根抗拉強度、根土相互作用、根土復合體及邊坡穩定分析等方分析了植物護坡的力學效應,最後探討了植被護坡的發展方向。
  3. The results indicated that the land surface runoff volume was respectively 35. 19 m3 / a, 8. 42 m3 / a, 15. 95 m3 / a, 10. 63 m3 / a in the plots of non - forests p. yunnanesis, e. maedenii and a. mearnsii community

    研究表明,在森林樹種個體文生態作用方,直干桉和黑荊樹冠留能力比雲南松強,而雲南松樹干莖量較高,直干桉樹冠下降雨量比雲南松、黑荊要大。
  4. The new research progress in the effect of forest on rainfall, interception annual runoff, was summarized. the main issues show that the most function of forest vegetation aims at protecting water resources and water environment, adjusting water amount, controlling erosion, decreasing run - off silt, decreasing maximum flow as well as increasing discharge of river in dry season and purifying water quality

    本文一方通過介紹森林文學的概念、研究進展和實際運用,分析了森林與相互作用的特點,並從降留、徑等方綜合研究森林植被在涵養源、調節量、減少徑泥沙、降低洪峰、增加枯量、改善質等方具有的重要功能。
  5. Land - based interceptor sewer

  6. Using digital image processing technique to process the solid - gas - water three - phase flow image and separate dispersed phase from the three - phase flow image, author calculated the bubble number, particle number in instantaneous image, area of bubble image and other parameters, and analyzed the effect of image enhancement, image segmentation, image analysis and other problems existed in bubble image processing

    應用數字圖像處理方法對氣固三相圖像進行處理,將其中的分散相分別提取出來,計算得出瞬時圖像范圍內的氣泡個數、粒子個數,氣相所佔比等參數;分析了圖像增強、圖像分割、圖像分析等方法在多相圖像測量上的作用以及氣泡圖像處理中存在的問題。
  7. 8 the permit holder shall ensure that all stockpile areas are covered and intercepting drains are provided to prevent stormwater runoff from washing across exposed soil surfaces or stockpiled areas

    許可證持有人須確保貯料區用物被覆蓋和設有渠,以免雨沖刷外露泥土層或貯料區。
  8. This text introduces the slip construction procedure and technological scheme used in a landslip which has an important influence on the safety operation of the xiang - shi freeway, and it also tell the danger and treatment about the construction security and quality from the well - up water

    摘要本文介紹了一項嚴重影響襄十高速公路安全營運的重點控制性工程中的大抗滑樁施工工藝程及技術方案,並著重對基坑涌對抗滑樁施工安全、質量方的危害及處理方案進行了闡述。
  9. It has also pounded the keys, devices, disposition of surveyed spots, measure method and procedures, data gathering and process ( relation with construction workmanship ), error analysis and adjustment, control precision and rules, mechanism and method of control, tables of records, results and discussion. after completion, the bridge has good behaviors in dead loads state, cable forces, shape style of main beam, stress and strain of concerned sections, displacements of the tower top, which assure the reasonable state of cables, main girder and towers, and safe under running, demonstrate supervision

    通過課題研究與實橋運用,荊州長江公路大橋斜拉橋施工過程各狀態和成橋恆載狀態下,斜拉索索力、主梁線形、主梁關鍵應變、索塔塔頂平偏位等關鍵項目的施工控制結果均滿足設計期望值的要求,滿足橋梁施工范圍的要求,大橋主梁線形暢,斜拉索、主梁和索塔三大體系的受力狀態合理,橋梁結構安全可靠,大橋的監測監控取得了圓滿成功,並為該橋營運階段的長期監測監控奠定了良好的基礎。
  10. The simulation shows that the valve throttle area should be little as possible but must be more than 40 % of pipe section area ; when the total length of pipe is same, and the flow quantity is enough, pipe before primary valve should be thin and long, and the pipe after primary valve should be thick and short, the upriver and downriver small pressure fluctuation will badly lead to waterdrammer pressure rising, and spending more time in establishing pressure and flow quantity

    模擬表明,閥門過積在滿足大於管道積40 %的條件下應盡可能小;在管道總長一定並滿足量要求的條件下,主閥前應採取長而細的管道,閥后則應採用短而粗的管道;上下游微小的壓力波動都會嚴重增大開關閥門引起的擊,並使壓力、量的建立需要更長的時間。
  11. Abstract : this paper summarizes a series of tests and inve stigations on general layout, const ruction diversion, flood disposal, navigation, river closure, form of gate opening s ection, pattern of energy dissipation and scouring under sluice carried out for f eilaixia proj ect by the scientific research institute of prwrc during the period from 1983 to 1998 and presents their major results

    文摘:綜合闡述了珠江利委員會科學研究所從1983 ? 1998年間對飛來峽利樞紐的整體布置、施工導、泄洪、通航、、閘孔斷形式、閘下消能形式、閘下沖刷等所進行的一系列試驗和研究工作,並介紹主要試驗研究成果。
  12. As these steel pipe / tube has hollow section, they are used for transport much of liquid material, shuh as coal gas, natural gas, water and some solid materials and so on

    鋼管具有中空,大量用作輸送體的管道,如輸送石油、天然氣、煤氣、及某些固體物料的管道等。
  13. If applied experiential formula mechanically to calculate the dynamic moment of the tri - eccentric butterfly vavle, its errors for the results would be larger. the paper, by virtue of the postulate of flow with fixed constant, eddiless of ideal liquid, calculated laplace equation by finite difference method in rectangular coordinates, gained pressure distribution on the butterfly disc section, thereby figured out its dynamic moment under each opening angle and the method was feasible for calculating dynamic moment of symmetry or not, designed the program and described the curve of dynamic moment. finally, the paper infered their laws

    採用經驗公式來計算三偏心蝶閥的動力矩,誤差比較大,本文根據三偏心蝶閥的結構特點,利用理想體的定常、無旋動的假定,用有限差分法在直角坐標系中求解拉普拉斯方程,得到蝶板上的壓力分佈,從而計算出蝶板在各個開度下的動力矩,設計出了求解的程序,給出了程序運行的結果並進行了數據處理從而得到了動力矩曲線,總結了它的變化規律。
  14. Based on the head loss coefficients obtained from gardel ' s semi - empirical equations for t - junction flow and experiment of welded t - junction, the hydraulic characteristics of throttled surge tank are estimated and compared with those gotten from hydraulic experiment. 3. four different methods of determining the head loss coefficients of throttled surge tank have been employed to investigate the effect of methods afore mentioned on the accuracy of calculating surge and pressure head of throttled surge tank

    給出了基於gardel關於三通管頭損失系數的經驗公式、焊接t形三通管頭損失系數的實驗資料及突變管道的頭損失資料,計算有連接管的阻抗式調壓室在不同態下頭損失系數的計算方法,並將這兩種方法計算得到的調壓室局部頭損失系數分別與模型試驗成果進行了比較和分析; 3
  15. The results indicate that the flow velocity is lower and the pressure is high in majority of the step cylinder, the distinct variations of the flow field occur in the threshold of the step cylinder at the bottom and the abrupt transition sections, the holes in the inner and outer tubes and the exhaust hole

    結果表明:步進缸內大部分區域速較小,壓力較高,且變化不大,發生明顯變化的部位主要分佈在步進缸底部管入口及突變處、內外套對孔處和排氣孔處。
  16. The researches show that the vertical cracks on the surfaces paralleled to water flow of thin - walled flexible piers may be induced by the large shear stresses at the faceoffs in the cross - section near the bearing and the variable cross - section of the pier

    研究表明,墩身在平行於方向的兩側上的豎向裂縫,可能是由於墩身在底部和中間變處的倒角附近區域產生較大剪應力而引起的。
  17. Some hydrology amp; water resources problems about slope face intercepting and water diversion for medium and small

    中小型庫坡的幾個資源問題
  18. Research on retrieval of gps water vapor and method of rainfall forecast are keen field which draws all attention from wide world. the dissertation is accomplished on the basis of sino - italy collaborative project - ' the integral system of flood risk programming, monitoring and real time forecasting " and the primary achievements and conclusion reached include : ( 1 ) a reasonable design has been made for gps water vapor monitoring network according to the theory of gps satellite signal propagation and vertical distribution of water vapor and local synoptic characteristic of binjiang basin, the effective area where water vapor can be detected by gps station has been determined under different cut - off angles. the conclusion has been reached that 3 ~ 4 gps receivers are enough for water vapor monitoring in binjiang basin

    Gps汽反演和降雨預報研究是當前氣象遙感應用的一個前沿探索領域,本論文依託于中意科技合作項目「洪風險規劃、監測和實時預報的集成系統」 ,主要成果體現在以下方: ( 1 )提出了一個合理的gps汽監測網設計方案根據gps衛星信號傳播原理和汽垂直分佈規律以及域天氣的地方性特徵,確定了不同高度角下一個gps站所能測定大氣汽含量的有效范圍,得出了濱江域只需要3 4個gps接收機就足以反映汽變化的結論。
分享友人