station equation 中文意思是什麼
station equation
解釋
測站方程-
According to all the sediment peaks of 35 floods observed at each station on the downstream of xiaolangdi, it analyzes the characteristic of delayed sediment peak and establishes a regression equation between sediment peak lag time for each section of xiaolangdi, huayuankou, jiahetan, gaocun, sunkou, aishan and lijin and peak discharge, sediment concentration of the peak, flood propagation velocity and fall velocity of suspended load of the previous station, which can search, make up and extend sediment peak lag time and provide a basis for accurate forecasting on sediment peak travel time of each station on the lower yellow river
根據小浪底下游各站沙峰均滯後於洪峰的35場洪水，對沙峰滯後於洪峰的特性進行了剖析，建立了小浪底、花園口、夾河灘、高村、孫口、艾山、利津各河段沙峰滯后時間與上站洪峰流量、沙峰含沙量、洪水傳播速度、懸移質泥沙群體沉速之間的回歸方程，可以用來查補延長沙峰滯后時間，為下游各站沙峰傳播時間的準確預報提供依據。 -
This paper elaborates the parameters selection of the 700mw turbine for laxiwa power station located upstream yellow river, which is coming into construction soon. through statistical calculation of specific speed for turbines with large capacity, high operating head in domestic and oversea power station, utilizing turbine homologous theory. adopting regression statistic calculation method, it has got specific speed statistic equation., the demonstration of primary parameters selection, and the primary target parameters suitable for laxiwa power station
本文針對黃河上游即將開工建設的拉西瓦水電站700mw水輪機的參數選擇進行了研究，通過對國內外的大容量、高水頭水輪機的比轉速統計計算，利用水輪機的相似理論，採用回歸統計計算方法，統計出了比轉速統計方程，並進行了水輪機主要參數選擇論證，提出了適合拉西瓦水電站水輪機的主要目標參數。 -
Through examination of the recession limbs of the observed hydrographs, during periods with no rain and thus no surface runoff, one can determine the value of. for this catchment, a value of 0. 8 is obtained. the simulated subsurface runoff at each grid is routed to the outlets through a unit - hydrograph method for overland flow and the linear saint - venant equation for channel flow to get the discharge at xixian station
對所研究的流域而言，經過估算消退系數為0 . 8 .耦合著這兩種不同地下徑流機制的clm模型都可以計算出每個網格的地表地下徑流深，採用dag lohman 34 ， 35發展的匯流模型進行匯流由於是研究地下徑流，所以取每個網格的地表徑流為0 ，該模型採用單位線計算坡面匯流線性聖維南saint - venant equation進行河道匯流 -
The differential equation of pump station start - up transient is established and derived from discharge balance and moment equation of pump unit
摘要本文從水量平衡及水泵機組力矩方程出發，建立起水泵從起動到同步的微分方程式。 -
After all have done we could get the equation of indicating pointer and long length graduation. and then calculate the distance between the two lines to estimate whether the two lines are superposition under a given threshold. if not superposition the computer will drive the standard power station to a suitable value and estimate again until being superposition
根據擬合出的指針直線方程和長刻線直線方程計算出兩者之間的距離，並根據預先設定的閾值，判斷兩者是否重合，如未重合，則驅動標準源，根據判斷更改指針位置，並再次判斷，直到重合。 -
The numerical simulation for adjustable - blade pump on - line autoregulation in diversion works has been studied in this paper whose background is modification works of dongjiang - shengzhen diversion works. the problems include autoregulation on water height of the fore bay in single pump station, autoregulation on output of adjustable - blade pump in single pump station, and autoregulation on flow equation of multilevel pump stations
本論文以東江深圳供水改造工程為背景，對輸水工程中應用轉槳泵進行在線自動調節數字模擬進行了研究，其中包括單級泵站中對前池水位進行自動調節，單級泵站中對轉槳泵的輸出流量進行自動調節，以及多級泵站輸水系統流量平衡自動調節。 -
On the base of the palmer drought severity model of america and the modificated palmer drought severity model ( 1986 ), we further modificate the palmer drought severity model in the following aspects ; ? 4 stations were chosen to develope the model and adjust the weighting factor ; ? he potential evapotranspiration for an each month was computed by the penman - monteith equation commended by fao ; ( 3 ) the getting of available water capacity of the soil ( awc ) in each station was based on the data of awc that we can find and the characteristic of soil in each station
在美國帕默爾旱度模式和我國1985年修正的帕默爾旱度模式的基礎上，針對其中存在的問題，從建模選用較多站點、可能蒸散計算採用彭曼?蒙特斯公式和土壤田間有效持水量進一步準確劃分等三個方面進一步修正了帕默爾旱度模式。 -
Several transient simulation programs have been developed based on the models above, and were put into practice of the transient simulations of following : ( 1 ) autoregulation on water height of the fore bay in single pump station, and the influence of governor parameters ; ( 2 ) autoregulation on output of adjustable - blade pump in single pump station, and the influence of governor parameters ; ( 3 ) on - line autoregulation on flow equation of multilevel pump stations system
本文應用上述方法編制了過渡過程模擬程序， （ 1 ）進行了單級泵站中轉槳泵在線自動調節泵站前池水位的動態模擬計算，並對調節參數的影響做了比較研究； （ 2 ）進行了單級泵站中轉槳泵在線自動調節泵輸出流量的動態模擬計算，並對調節參數的影響做了比較研究； （ 3 ）進行了多級泵站中轉槳泵在線自動調節輸水系統流量平衡的動態模擬計算。 -
With fortran power station 4. 0, we make galerkin boundary element method program for solving laplace equation on region which boundary is a closed curve or an open arc, and the numerical experiments also prove this method is reliable. last we test the error of galerkin boundary element by numerical experimentation
最後利用fortranpowerstation4 . 0程序語言分別編寫了用galerkin方法求解區域邊界為閉曲線及區域邊界為直線段或開弧段laplace方程的計算機程序，通過幾個算例證明了該方法是有效的、是可行。 -
On base of the associated explore data of the hefei station and the maanshan station in anhui province and applying the upwards retrieval method that the relatively simple mass continuous equation is used to calculate vertical velocity, to retrieve the three - dimensional construe of the atmospheric wind field, the retrieval construe of the atmospheric three - dimensional wind field and the allocation of the convective system are in reason
然後再用此反演方法對2003年7月5日發生在安徽省的一次降水過程進行分析，根據安徽省合肥站和馬鞍山站對此次降水過程的聯合探測資料，應用上述質量連續方程求取垂直速度方案反演出大氣風場的三維結構。反演出的大氣三維風場的結構及中尺度對流系統配置基本合理。 -
In chapter 1, the thesis studys the following cauthy problem to hyperbolic system with nonlinear relaxation term we prove that for the initial value with bounded c1 norm, there exists a unique global smooth solution for the cauthy problem ( 1 ), ( 2 ) ; in chapter 2, the thesis considers the following hyperbolic system with relaxation term and the sclar conservaton law equation when e is fixed, for a certain class of initial data, in the large time station, the thesis gets a determined lp ( p > 2 ) decay rate between the golbal smooth solutions of system ( 3 ) and the rarefaction waves solution of equation ( 4 )
在第一章中，研究如下帶非線性鬆弛項的雙曲組的柯西問題證明了，對c ~ 1模有界的初值，柯西問題（ 1 ） ， （ 2 ）存在唯一的整體光滑解。在第二章中，考慮如下帶鬆弛項的雙曲組和單守恆律方程u _ t + f （ u ） _ x 0 ， （ x ， t ） r r ~ + 。 （ 4 ）當固定時，對一類初值，得到方程組（ 3 ）柯西問題的整體光滑解與方程（ 4 ）的稀疏波解間在大時間狀態下的l ~ p （ p 2 ）衰減率。 -
As per optimal operation pattern function with annuals cycle, each decision of annual cycle and corresponding operating factors in the light of observed value of random variable, regression analysis at each time - interval is carried out and then regression equation will be as the operation function to guide cooperating operation for group hydropower station
依據優化調度模型函數，以年為周期，將各年周期的決策值及其相關的運行要素作為隨機變量的觀測值，逐時段做回歸分析，並將其回歸方程作為指導水電站群聯合運行的調度函數。
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