水位差 的英文怎麼說

中文拼音 [shuǐwèichā]
水位差 英文
head of water
  • 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...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 水位 : stage; water level
  1. There are a lot of factors that work on the water level of erodible - bed channel together, each of them varies no role, but is correlative. in the adjacent years or the adjacent flood peak of a floodwater, the conditions of the factors that influence water level are always very different. so, there is a nonlinear relation between water level and the factors influencing it

    沖淤河道水位受到很多因素的共同作用，各因素本身的變化沒有規律且互相關聯，相鄰前後年份或同一場洪水的不同洪峰前後，影響水位的水、沙、河道等因素常差別很大，水位與其影響因素之間客觀上是非線性關系。
  2. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先，系統分析了影響黃河水位的水沙因素，及僅用水沙因素有效研究水位的可行性，並按變量對應思想採集它們的相應數據；其次，由於相應水位過程數據中含極強的非線性關系，本論文經細致的理論分析，將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合，提出了能有效實現這類數據高精度擬合的分層篩選法，並改進了統計學中多因子（三個以上）方差分析法；再次，將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合，實現了這一典型非線性關系的高精度擬合，各年汛期上下游相應洪水位過程的擬合誤差都較小；最後，明確黃河下游含沙量對水位的主要影響方式，即含沙量主要是與其它因素聯合對水位作用；另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。
  3. Over pumping of ground-waters produces a difference in hydrostatic head in favor of the seawater.

    過量抽取地下水時，產生利於海水的流體靜力學水位差。
  4. In fact, it is the special system of our country that increase the incoherence and unconditionally of all the stockholders and the lack of the true investors. these two elements increase the stockholders " dissimilated behavior. in dividend policy, the difference of payment level resulted from the variance of the controlling degree embodies not the difference of stockholders " decision making to increase the company " value but the particular preference of the nonnegotiable shareholders and the management

    而最根本的原因是由於我國特定製度安排導致了股東群體的非一致性和非制約性的強化以及真正投資主體的缺位，兩個因素的共同作用加劇了股東行為的異化，表現在股利政策上，由股權控制度變化產生的支付水平差異主要體現為非流通股股東及管理層的特殊偏好，而從質的角度，以公司價值為目標的真正股東化主體的決策差異分析無效。
  5. The theoretic calculating method of the maximum and the minimum water level in the differential surge tank has been derived firstly. also the explicit method of calculating surges in the differential surge tank has been deduced firstly by use of thaler series expansion. the calculating method of section of the well and the effective impedance hole in the surge tank has been gived

    根據差動式調壓室的基本微分方程，首次推導出了差動式調壓室涌浪幅值的理論計算公式；並同樣利用泰勒級數展開方法推導出了差動式調壓室水位波動的顯式計算式；導出了差動式調壓室大井面積和有效阻抗孔面積的計算方法。
  6. A scheme to be formulated and submitted for approval to the harbour commissioners for the exploitation of white coal hydraulic power, obtained by hydroelectric plant at peak of tide at dublin bar or at head of water at poulaphouca or powerscourt or catchment basins of main streams for the economic production of 500, 000 w. h. p. of electricity

    有個建造水力發電廠的計劃：利用都柏林沙洲的滿潮噗啦呋咔272或鮑爾斯考特瀑布273的水位差主要河流的流域來開發白煤水力發電，經濟生產五十萬水馬力的電力。擬好后，將提交港灣委員會，以便獲得批準。
  7. I find that the difference between male and female teacher is significant on their conception of sustainable development, and the male teachers holds prior opinions. because of different sense on student development and student cognition, primary school teachers are differentiated from other group of teachers ; teachers with secondary school education background are differentiated from teachers with higher education background ; although there is no obvious difference on sustainable development resulted from age difference, there are teaching motives and emotional and physical quality differences in various age groups ; the aspect influenced mostly by age factor is the conception of teaching effectiveness ; school type is not related with the sustainable development of teacher. based on my research, i make the following suggestions to the practical scheme ( the life - long continuous education ) aimed at improving of sustainable development of teacher ' s quality

    第三，通過對來自14所學校的272位教師問卷調查，統計分析發現：因學生發展觀和身心素質不同導致男女教師可持續發展系統水平產生差異，男教師優于女教師；因學生發展觀和學生觀不同導致小學教師與其他學段教師可持續發展系統水平產生差異，小學教師低於其他學段的教師；因學生發展觀和學生觀不同導致中專畢業的教師與其他學歷的教師可持續發展系統水平產生差異，中專畢業的教師與他學歷的教師有差距；雖然不同教齡段的教師可持續發展系統水平差異不顯著，但進一步比較發現，在教學動機和身心素質方面還是有差異的，並且與教齡變化最緊密的是教師的教學效能感；教師可持續發展系統水平與學校類別無關。
  8. Though the water levels cross one section are almost equal, the velocities differ greatly. at the some cross - section, the velocity in the in the quirk may be double as that on the floodplain. the water surface will rise hi the southern branch because of the improper diffluence ratio, if using the designed diffluence col

    淮河入海水道河口段水位值橫向分佈相差無幾，而流速的橫向變化較大，泓灘平均流速差最大可達一倍以上，在現有的分流口設計條件下，若按設計的南北汊分流比，南分流口有壅水現象發生，如果南汊分流增大到800m ~ 3 / s左右時，則水流較為通暢。
  9. Abstract : this paper introduces the programming essentials and methods for monoboard computer 8098 to realize water level ' s pressure compensation, and analyses the causes of water level ' s deviation in drum boiler occurring in the course of measurement

    文摘:本文介紹了單片機8098實現水位壓力補償的編程要點及方法，分析了測量中汽包鍋爐水位產生偏差的原因。
  10. Because there are three inputs accede to adister of water lever control system of boiler, it is easy to bring error of water lever controlling. this iartice puts forward two methods to dispel error of water lever : ( 1 ) assistant signal self - disappear

    由於鍋爐水位控制系統的調節器輸入端常加有三個輸入量，極易引起水位控制偏差，本文提出了兩種消除水位偏差的方法: （ 1 ）輔助信號自消方法（ 2 ）輔助信號對消方法。
  11. The result shows that the trench wall failure at shallow depth is the major failure mode of the slurry - supported excavation, and that the length of the excavated trenches and the difference between the slurry head and the water level are the key parameters controlling the stability of the slurry - supported excavation

    結果表明，淺層槽壁失穩是泥漿護壁開挖的主要失穩型式，開挖槽段的長度和泥漿液面與地下水位面的高差是控制泥漿護壁開挖穩定性的關鍵參數。
  12. Overpumping groundwater for drinking water and irrigation has caused water levels to decline by tens of metres in many regions, forcing people to use low - quality water for drinking

    過度抽取地下水做為飲用水和用來灌溉在許多地區已經使水位下降了幾十米，迫使人們使用質量較差的水來做為飲水。
  13. Measurement of liquid flow in open channels - stage - fall - discharge relationships

    明渠水流測量.水位落差和流量的關系
  14. ( 2 ) assistant signals each other dispel. according to three impulse control water lever error, designing three impulse pid cascade control system

    根據三沖量水位調節系統控制水位誤差，設計採用了三沖量pid串級控制方式，採用輔助信號蒸汽流量和給水流量對消方法消除水位偏差。
  15. Firstly, we account for the former made and the sand selected are reasonable by experiments. then we develop the first project carrying the experiment for filling up of 30 years. contrasted with the count, the results have no difference, we carried two experiments under different water levers by the actually facts if engineering work in early days. by the result, we know that the gross of fill up have no difference

    本文從白石水庫泥沙模型試驗入手，模型試驗首先通過模型糙率和模型選沙驗證試驗，說明模型製作和選沙是合理的；然後開展初設方案30年運用水庫淤積試驗，並與數模計算對比，基本相同；試驗結合工程初期運用實際情況，進行了兩個不同初期運用水位方案的對比試驗，從兩個方案試驗結果看，初期運用的兩個方案淤積總量差別不大，而從效益看，方案二優于方案一。
  16. The energy possessed by falling water is a king of mechanical energy, and this energy we can use to produce electricity

    水位差所具有的能量是一種機械能，這種能我們可以用來發電。
  17. Now there are more than dozens of ports at the upriver of changjiang river and zhujiang river. the water level gaps of these ports are between 17 meters and 52 meters

    目前，我國長江，珠江以及閩江等上游已經建成的水位差在17 52米的各類港口多達幾十座。
  18. Effecting of enclose tideland for cultivation on water level in the same flow level are quantitatively analyzed, the main achievement and suggestions are given as follows : ( 1 ) the water level rise is the most which effected by enclose tideland for cultivation dyke when flow is 2000m3 / s, the max water level difference in case of enclose tideland for cultivation dyke or no arrives 0. 66 m

    定量地分析了圍墾堤對同級流量下的庫水位的影響，主要成果結論及建議如下： （ 1 ） 2000m ~ 3 /時庫區圍墾堤對水庫水位抬升最大，有無圍墾堤水庫水位差最大達到0 . 66m 。
  19. The influence of water level differences on discharge of water - release structures of wide - shallow reservoir

    寬淺式水庫庫水位差異對泄水建築物下泄流量的影響
  20. Cable car for passenger transportation is now beening widely used in the incline ports with big water level gap, so it is desirable to systemize the research of cable car

    客運纜車正逐步地被山區大水位差斜坡道式客運碼頭所廣泛採用，有必要對客運纜車進行系統化研究。
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