特閘分方程 的英文怎麼說

中文拼音 [tèzháfēnfāngchéng]
特閘分方程 英文
characteristic differential equation
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 閘 : anchor gate
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  1. By hydraulic modeling, this paper describes studies on the stability of a floating bulkhead operating in standing water and flowing water, and it ' s hydrodynamic stability characteristics that distinguish in standing water from in flowing water ; and direct measurements of the forces acting on the model floating body during floating and sinking is taken. as a result, the rotation stress curves are produced and analyzed ; to provide data for optimum operation schedule analyses of the sluice, the relationship of the impact forces acting on the side wall of the gate and the running speed is studied ; the reasons of unstably uplifting of the bulkhead are discussed and the method to solve the problem is also given in this paper

    本文結合常州新閘防洪控制工程水工模型試驗，系統分析了浮箱門在靜水和動水中的穩定性及其影響因素，指出靜水穩性和動水穩性的不同特點；試驗測定了浮箱門動水運行時的受力情況，給出並分析了定位過程轉動力的變化過程曲線；根據浮箱門啟閉速度與門體和岸墻之間撞擊力大小的關系，選擇合理的動力設備，為設計和工程實踐提供可靠依據；分析浮箱門難以穩定上浮的原因，並給出解決方案。
  2. Secondly, on the base of the analyzing design characteristic, this paper presents theoretical basis according to " design specification about steel gate in water conservancy and hydropower engineering " ( thereinafter for short specification ). it introduces module design means of hmvcad system. in the light of this means, it develops the module that can design the gate according to original data and specification automatically, the module of making the original design by user ' s experience, the module of majorized adjustment, the module of alarm device

    其次，本文在分析了弧形閘門設計特點的基礎上，按《水利水電工程鋼閘門設計規范》 （ dl t5039 - 95 ，以下簡稱《規范》 ）給出了設計的理論依據，介紹了hmvcad系統的模塊設計方法，據此研製了能根據原始資料自動按規范設計的程序模塊，以及據用戶經驗進行初步設計、優化調整、預警裝置等功能模塊。
  3. In the paper, on the basis of research of static state and transient state in the scr and series connection valve circuit, the high voltage scr changing current valve device has been developed for ac - dc - ac high voltage commutatorless motor. the series connection valve circuit has been designed and simulated. the hardware design and software programming of trigger pulse system and monitoring system in the photo - electronic - photo fashion has been completed

    無換向器電動機在火電廠等工礦企業的電機調速節能領域中有十分廣闊的應用前景，本文在對晶閘管元件和串聯閥電路的靜態特性和動態特性研究的基礎上，研製了用於交直交電流型高壓無換向器電動機的高壓晶閘管換流閥裝置，進行了串聯閥電路的設計和模擬，完成了電光電方式的觸發脈沖系統和監測系統硬體設計及軟體編程，並進行了裝置的實驗調試。
  4. So according to the technology regulation of reclamation engineering, hydraulic calculation must be carried out in the design of final closure. this paper firstly introduces the progression and present situation of reclamation engineering, emphasizing on the features of present reclamation and on the experiences and theories of home and abroad ; using fortran perfects the hydraulic calculation program of the closure and makes the program to meet different conditions ( such as considering flood, the variation of time interval, multi - entrance, multi - reservoir capacity ), and after comparing and analyzing a great deal of schemes, the reasonable computation scheme was brought up ; the interface of the program was carried out by the programming language vb to make the process of calculation become easier and more distinct, so the result can be analyzed and handled more directly ; vb is used in the later management of the result to plot the graphic chart of the isoline of the maximum of hydraulic element ( the velocity of flow, the drop height and the rate of flow ) automatically ; finally it was applied in the reclamation project of dongbidao of fuqing

    本文首先介紹圍海工程的發展進程與國內外圍海的開發現狀，重點介紹了我國目前圍海工程的特點及在圍海工程實踐中積累的經驗和理論；利用fortran語言完善堵口工程龍口水力計算程序，使程序可以滿足圍海工程復雜工況下（如考慮內港洪水、計算時段的變化、多口門、多庫容、多水閘）的龍口水力計算，並進行大量方案的比較和分析，提出合理計算方案；利用面向對象的可視化編程語言vb進行界面開發，使計算過程有良好的人機界面，更直觀地對計算結果進行分析和處理；計算結果的后處理採用vb編程實現龍口水力要素最大值等值線圖的繪制；並運用所編軟體對福建省福清市東壁島圍墾工程進行龍口水力計算，為堵口合龍提供科學依據。
  5. The thesis first describes the definition as well as the underlying characteristics of international m & a, and analyzes the juristic fact that international m & a is a sub - sector of international private direct investment. next, it introduces the history of international m & a and compares both positive and negative influence of international m & a. the thesis then explains the conceptions and impacts of horizontal m & a, vertical m & a, and conglomerate m & a respectively, the three kinds of transactions most critical to the international m & a

    筆者在本章一開始明確了跨國並購的基本概念，閘述了它的基本特徵，對跨國並購屬于國際私人直接投資這一法律性質予以分析；介紹了跨國並購的發展歷程，從積極和消極兩方面對比分析了跨國並購的作用；按照橫向並購、垂直並購和混合併購這三種跨國並購的基本形式分別闡述了他們的概念及其各自的影響。
  6. The distributed plc system of the floodgate ' s opening measuring presented by the paper has many advantages such as high reliable operation, high measuring precision, having the network communication function, convenient installation and correction, etc. this thesis further studies the key device for the floodgate ' s opening measuring, the rotary encoder, selects the absolute rotary encoder adopting the binary cyclic code, studies the method for transforming the cyclic code to the binary data and according to the transforming formula designs the ladder diagram program

    本論文研製的分散式plc閘門開度測量系統具有工作可靠、測量精度高、具有聯網通信功能、安裝和校正方便等特點。本論文深入研究了閘門開度檢測的關鍵器件? ?旋轉編碼器，選用了採用二進制循環碼編碼的絕對式旋轉編碼器，研究了將二進制循環碼轉換為二進制數的方法，根據轉換公式設計了plc的梯形圖轉換程序。
  7. To improve the transmitting characteristic and decrease the output work has a direct effect on the enhancement of the operating property and life - span of the operating mechanism of vacuum circuit breakes. based on the characteristics of polynomial rule of the cam movement, considering the pressure angle of cam device, an optimization model is established, with the coefficients of polynomial rule of cam movement as the optimizing variable, and the minimum output work of the mechanism as the object function. with the optimization tool box of matlab, the optimization process is conveniently completed and the perfect result of optimization design is obtained

    改善真空斷路器操動機構的傳動運動特性，減小真空斷路器的操作輸出功，對提高真空斷路器的操作使用性能及壽命都具有直接的影響.利用凸輪機構的多項式運動規律的特點，以凸輪多項式運動規律的多項式系數為優化變量，以斷路器操動機構最小的輸出功為目標函數，考慮操動機構合分閘時凸輪機構傳動壓力角的情況，建立了彈簧操動機構中凸輪機構的優化數學模型，並利用matlab語言的優化工具箱方便地實現了優化過程，得到了較理想的優化設計結果
  8. Shankou spillway project has many specific characteristics, for example, the gate frusta and weir body have equivalent thickness, the weir body is low and have corridor, the foundation of the weir body is " high - low foot " " and the side frusta is also used as retain wall. in view of the characteristics, to better analyze the stress distribution on weir body, gate frusta, the joints between gate chamber and weir body, under the condition that the gate chamber is applied with asymmetrical loads and complicated constraints, three dimensional finite element method is applied in this paper

    本文針對山口溢洪道閘墩與堰體底板厚度相當，堰體為低堰且設有廊道、堰體建基面「高低腳」及邊墩兼作擋土墻等具體特點，在閘室設計中采山口水利樞紐工程溢洪道閘室三維有限元整體應力計算分析用三維有限元整體應力計算方法分析閘室的受力狀態，分析閘室在荷載不對稱。
  9. 3 each critical component of the operation mechanism is researched from theory and practice : accumulation energy, driving motion, buffering, tripping. each acting force of the operation mechanism is considered, especially the dynamic mathematic model of the moving parts is established. with numerical calculating method, the speed character of opening and closing is also calculated

    3 、著重從理論和實踐上研究操動機構各個關鍵部分：儲能、傳動、緩沖、脫扣等部分，充分考慮機構中各力的作用情況，特別是建立了運動部分的動力學數學模型，採用數值計算方法計算了分、合閘過程中的速度特性。
  10. Based on discussing methods to study the characteristic of unsteady flow at lower lock approach, several improved project proposals are provided, and then the alternate proposals are tested using both physical model and numerical model

    在討論船閘下游引航道非恆定流特性研究方法的基礎上，對江蘇泗陽船閘下游引航道非恆定流進行了分析研究，提出了幾種工程改進方案，並相應地進行了數值計算和物理模型試驗。
  11. Except for research on the unsteady flow at lower lock approach in siyang, jiangsu province by physical model, a two - dimensional numerical model is developed to explore the alternate research method in this paper. through studying the project using physical model and numerical model simultaneously, the governing equations, numerical algorithm and the computation accuracy of the numerical model are analyzed. comparison between computed results and experimental data gives that computed results is well agree with measured data under several water level cases, which indicates that the numerical model is valid and reliable

    通過數學模型和物理模型的同步研究，對數學模型的控制方程、數值計算方法以及數值模擬的精度與物理模型試驗進行了比較分析，同實測資料驗證的結果表明：該數學模型與物理模型一樣在不同的水位組合，不同的運行工況條件下都能正確地模擬下游引航道非恆定流的實際水力情況，模型計算結果與實測資料十分吻合，說明建立的數學模型是合理的，結果是可靠的，可以利用該數學模型進行船閘下游引航道非恆定流特性的研究。
  12. The thesis analyzed the development of the gate ' s hoist and its controlsystem, and the localization of the gate ' s operating machine ' s traditional hydraulic system, according to today ' s control technique, especially the characteristics of the profibus fieldbus, the thesis put forward the project that " the gate supervise controlling system base on the profibus control and ethernet technique ", according to that project, completed plc control procedure and the procedure of the supervise and control ( supervise and control software and man - machine interface ), at last the thesis set up a ethernet network for the monitor and the plc correspondence of a place of honor machine and plc and a fieldbus network for the far i / o mold and the plc, made the gate supervise and control by network

    文章對閘門啟閉機及其控制系統的發展狀況和傳統液壓啟閉機控制系統的局限性進行了詳細分析，並結合當前控制技術，特別是profibus現場總線控制技術的特點，針對所研究的水電站的實際情況提出了「基於profibus現場總線控制和以太網技術的閘門監控系統」的技術方案。並根據該方案完成了下位機（ plc控製程序）的編制和上位機（監控軟體和人機界面的組態）的組態。最後通過組建上位機與plc的通信以太網路和遠程i o模塊與plc之間的總線網路，實現了整個閘門監控系統的網路化。
  13. The software of finite element analysis ansys is applied to modeling of a miter gate entity of ship lock in an engineering. in order to mesh and solve it, some special methods are used

    通過有限元分析軟體ansys對某工程船閘人字門的實體模型進行建模，採用了一些特殊的處理方法以便於該模型的網格劃分和求解。
  14. In order to solve those problems, this article adopts the energy method to analyze the stability of the major frame of steel arch gate to make up the weakness in the current standards and found the calculating models of the stability of the whole major frame of the steel arch gate. it also presents the general formula for calculating the eigenvalue and the precise equation of the calculating the length coefficient of the steel arch gate frame by using the energy method and choosing the proper experiment function

    本文主要採用能量法對弧形鋼閘門主框架線彈性穩定性進行分析與研究，建立單柱概化弧形鋼閘門主框架整體穩定的計算模型，並通過選擇合適試解函數，應用能量法給出特徵值方程及弧門框架穩定性計算長度系數精確解的公式，提出一個基於該模型方便工程設計的實用計算公式。
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