水流速度 的英文怎麼說

中文拼音 [shuǐliúsùdù]
水流速度 英文
stream velocity
  • 水 : 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...
  • 流 : 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...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 水流 : 1. （江河） rivers; streams; waters2. （流動的水） current; water flow; fluent; flow; [水文] stream current
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  1. Sand has accumulated in a deltaic pattern on both the marine and lagoon sides of the inlets in conjunction with this diminishing current flow.

    隨著水流速度的減慢，砂質物遂以三角洲的形式堆積在進水道面向海洋和瀉湖的兩頭。
  2. In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane

    本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、以及深度調整和水平面導引方法等問題，具體成果和創新點如下1 、根據流體力學理論，建立了螺旋槳推進器的動態模型，它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀態變量，以電機施加轉矩為輸入，螺旋槳推力t和轉矩q為輸出。
  3. Leveling hilly land into terraces, which slows the rate of runoff, allows more water to soak into the soil.

    把丘陵土地平整成為梯田，減慢水流速度，讓更多的水滲到泥土裡。
  4. One of wetland s function is to filter the pollutants. when the river goes through wetland with pollutants, the hydrophyte will slow down the speed of the stream and attract heavy metal so that those pollutants will steep in the ground. the chemical reaction of nitrogen and phosphorus from those water plants prevent water from oxidation

    濕地具有過濾污染物的功能，當河水挾帶著污染物流經濕地時，濕地上的水生植物，會使水流速度減緩，吸附重金屬，且讓污染物沈澱在濕地的底部，並藉著植物留存氮和磷，來預防水質優氧化。
  5. When flow velocity decreases below the corresponding incipient motion condition, no sediment movement occurs.

    當水流速度小於相應的起始運動時，將無泥沙運動。
  6. Good agreement was found between measured and calculated results for low water flow velocities.

    發現低水流速度測定的和計算的結果之間十分一致。
  7. It is the combination of computer - controlled water pumps and stroboscopes that make the droplets appear to suspend or drift upwards and downwards

    你能夠看到水點在空中停留或上下飄移，全賴展品背後十多組由電腦控制水流速度的水泵和可調頻閃儀。
  8. Another based mathematics model about the anchor cable is used for ship - anchor system. the numerical calculation have been worked by programmed in the matlab language. at the same time the influence that the dragging speed of antisubmarine helicopter and the height over the surface of ocean acts on the shape and the tension of underwater cable, and that the current velocity and the diameter of anchor cable acts on the shape and the tension of anchor cable, has been calculated

    把建立的水下拖索數學模型和錨索數學模型分別應用於航空吊放聲納探頭?纜繩動力學系統和船?錨系統，採用matlab語言編程進行了數值計算，同時分別計算和分析了反潛直升機拖速、距海面高度對拖索形狀和張力的影響以及海流速度、錨索直徑對錨索形狀和張力的影響。
  9. It will change the hydraulic conditions of the river, such as widening the water surface, decreasing water - flow velocity and purification capacity of water body in reservoir area meanwhile, many problem will be encountered, such as a large quantities of pollution in cities and towns, harmful matters in pesticide and fertilizer in reservoir area, poisonous pollutants in rainfall, accidental discharge of municipal wastewater or industrial sewage, limits of low economic level and urbanization etc.

    該水域的水力學條件發生變化，水流速度減緩，岸邊污染帶加寬，水體的環境容量降低；三峽庫區城鎮污水處理廠和廠礦的有害廢水處理設施不可避免地會發生事故排放；成庫期內庫區城鎮污水的治理很難達到水質要求，以及三峽庫區目前較低的經濟和城鎮化水平制約，庫區城鎮供水面臨的水環境問題日漸突出。
  10. Red tide is a natural phenomenon with complicated causes. under a favourable combination of various environmental factors, such as light intensity, temperature and nutrients in the seawater, and water velocity, microscopic phytoplanktons will bloom and create a red tide

    （三）紅潮的出現為自然現象，成因很復雜。在不同的自然環境因素如光線強度、海水溫度、水中營養物的水平、水流速度等的配合下，海水裡的微型單細胞浮遊藻類便會大量繁殖而形成紅潮。
  11. Standard test method for velocity measurements of water in open channels with electromagnetic current meters

    用電磁電流儀測量明渠水流速度的標準試驗方法
  12. Test results show that the water surface slope, velocity and ratio of water depth to draft are the main influencing factors of ships ascending rapids

    試驗結果表明，灘段的水面比降、水流速度及船舶水深吃水比是船舶上灘的主要影響因素。
  13. Analysis results show that the main factor of sediment deposition is the decrease of flow velocity in the wharf apron caused by pile resistance effects

    樁基的阻水作用，減小了碼頭前沿的水流速度，是碼頭回淤的主要原因。
  14. Relationship between velocity of slope flow and sediment generation during erosion

    沖刷條件下坡面水流速度與產沙關系研究
  15. Exhibit explains the variation of water pressure and the speed of water jets at different depths

    展品解釋了不同深度的水壓與噴射出的水流速度的關系。
  16. With the development of new tech and electronic production, the contradiction is sharp

    隨著科學技術以及電子產品的日新發展，不能適應現代測量水流速度要求的矛盾日益突出。
  17. By using the simulation language open gl and programming environment vc + + 6. 0, the torpedo supercavitation simulation programis developed. with the program, we can study the supercaviting byvaring the value of the shape of the cavitato, the pressure and the mainstream velocity

    應用模擬語言opengl和編程開發環境vc + + 6 . 0 ，初步開發了魚雷超空化模擬程序，本程序可以通過改變空化器形狀、壓力值、水流速度等參數來考察超空泡的形狀。
  18. As a general rule, an adequately sized globe valve ( i. e. with pipe velocity between 15 to 25 ft / sec for water and 200 to 300 ft / sec for steam ) should not be throttled down below 35 % of its maximum full open cv capacity ( approximately 20 % of full stroke )

    一般而言，通徑足夠大的截止閥（例如管道內水流速度在15至25英尺/秒之間，蒸汽流速在200至300英尺/秒之間） ，節流后的流量不應該小於完全開啟狀態流量（流量系數大約為全沖程的20 % ）的35 %以下。
  19. In this method, a new perturbation technique called linearization - correction method was used to linearize the nonlinear equations in the model, and then the wavelet precise integration method was used to calculate the sensitivity of the response. at last the stochastic perturbation method is used to analyse the variance and expectation of sediment concentration, rate and depth of flow. the calculated result was high agreement with that result of monte carlo method

    在該方法中，採用了一種擬攝動法對模型中的非線性方程進行線性化，然後採用小波配置法對模型方程進行空間離散，最後用隨機有限元方法求得模型中水流速度，水深和泥沙濃度的統計特性，計算結果和montecarlo法模擬結果吻合得很好。
  20. The conclusion from the experiment is that the ratio of reduced resistance is relevant with the velocity of water stream, gas flux, the waterline of ship model and the dashplate

    結果表明：減阻率的變化與水流速度、噴氣量、船模的吃水，以及有無壓浪板有關。
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