管線水擊 的英文怎麼說

中文拼音 [guǎnxiànshuǐjī]
管線水擊 英文
pipeline hydraulic surge
  • 管 : Ⅰ名詞1 （管子） pipe; tube 2 （吹奏的樂器） wind musical instrument 3 （形狀似管的電器件） valve;...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 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...
  • 管線 : line pipe; lead-out管線安裝 pipelining; 管線泵 in-line pump; 管線測量 pipeline survey; 管線敷設 pipelining
  1. Click the left mouse button to the toilet water pipeline under the singalong, and it took a line i can

    點擊鼠標左鍵將廁所下水管道的上口和下口練成一條線即可。
  2. This thesis regard internal property reorganization in the group of pangang as the research object, from chengdu seamless steel pipe limited liability company with chengdu iron and steel works inside exterior environment reorganizing in front and back commences, making use of to exceed the makel - bot with of five factors competition models and the method of factors analysis, after analyzing the reorganization of the business enterprise a profession for facing competes the situation. develop the development the business enterprise with the profession industry from the international local profession rival circumstance after analyzing the reorganization should the market position of the establishment with develop the strategy target. make use of the swot the analysis the method, to after the reorganization the development strategy of the business enterprise, from manage the angle proceeded the fixed position analyzes, for after the reorganization business enterprise development provided four kinds of developments strategy that eligibility choose : the brave development strategy, request the resources advantage, funds advantage, human resource advantage, technique advantage that new company make the most of new business enterprise in empress in reorganization, is an essential condition to increases to manage the level, quickly technique reforms, develop the high and additional worth product with new product production line, as soon as quikly change to strong and large business enterprise, realizes soon steel aircraft carrier dream ; dispersion strategy, the technology market quota with deal with produce high additional worth product, completely promote business enterprise brand image, extend high carry product of the exaltation product, is a necessary means to increases business enterprise performance, realizes business enterprise target ; defense strategy, adjusting the business enterprise organizes construction, reducing the intensive type in labor and the low additional worth product line, lower bad the property saves the deal, alleviating the business enterprise burden, attaining the casual wear go to battle, benefitting to the challenge that make frontal attack the rival ; withdraw strategy, compress the production of the high depletion and high cost product, simplify the production craft, controlling the cost of the end product in the lower level, is a valid path to increases business enterprise competition ability

    本論文以攀鋼集團內部的資產重組為研究對象，從成都無縫鋼管有限責任公司與成都鋼鐵廠重組前後的內外部環境入手，運用邁克爾?波特的五力競爭模型及因素分析法，分析了重組后的企業所面臨的行業競爭態勢。從國際國內行業競爭對手情況和本行業發展動態分析了重組后企業應確立的市場地位和發展戰略目標。運用swot分析法，對重組后企業的發展戰略，從管理角度進行了定位分析，為重組后企業發展提供了可選擇的四種發展戰略：即大膽發展戰略，要求新公司充分運用重組后新企業的資源優勢，資金優勢，人力資源優勢，技術優勢，是提高管理水平，加快技術改造，開發高附加值產品和新產品生產線，盡快立於強勢企業之林，早日實現「鋼鐵航母」夢的必要條件；分散性戰略，提高產品的科技含量和生產高附加值的產品，全面提升企業品牌形象，擴大高端產品的市場份額，是提高企業效益，實現企業目標的必要手段；防禦性戰略，調整企業組織結構，削減勞動密集型和低附加值產品生產線，降低不良資產存量，減輕企業包袱，做到輕裝上陣，有利於迎擊競爭對手的挑戰；退出性戰略，壓縮高消耗、高成本產品的生產，降低低端產品的比例，精簡生產工藝，將最終產品的成本控制在較低水平，是提高企業競爭力的有效途徑。
  3. In this paper according to the design scheme of yao heba power station in nan yahe river, the mathematical model with longer and complicated conduit system, elastic water hammer and pid regulating low of voter turbine adjusting system in the case of the small fluctuation has being built, which include conduit system, surge tank, draft tube, water turbine, generator and governor. the hydraulic losses are taken into account, and nonlinearization in water turbine and the governor is also taken into account

    本文根據南椏河姚河壩水電站的設計方案，對水輪機調節系統，按長引水管道復雜引水系統、彈性水擊、調速器為pid調節規律，在小波動情況下，對包括引水道、調壓井、尾水管、水輪機、發電機、調速器在內的水輪機調節系統建立數學模型，並計及引水管道水力摩阻損失，對水輪機、調速器考慮了其中的非線性，利用功能強大的matlab軟體編制了源程序進行計算機模擬計算。
  4. 1 main connection 2 dose pump 3 tank 30 litres 4 backstroke valve 5 plastic tubes 6 t - branch kit

    1主接駁線2噴灑泵3可盛30公升水的容器4反擊真空管5膠管plastic tubes 6 t -型支管工具箱
  5. Corresponding to the correct water hammer mathematic model ( 3 ), the character difference equation is by comparing the new mathematic model with the old mathematic model, the last calculative part of paper argues the falseness of the current water hammer mathematic model, makes use of the improved character line method to analyze the correct mathematic model ( 3 ), studies all kinds of facts " impact on water hammer pressure value and water hammer phenomenon attenuation, points out that, in the long pipeline system, the subarea calculation of head loss along with flow rather influences the calculative results of water hammer pressure, advices to take the subarea calculation of head loss along with flow into account in the water hammer calculation of the long pipeline system

    對應于正確的水擊數學模型（ 3 ）的特徵差分方程形式如下c ，弓+吼川一c ，唱一幾弓扮幾rv另卜川= o幾代+吼川一幾唱一吼嶸{一c :腳丸}唱} ? 「本論文在最後的計算部分，通過對新老數學模型的數值計算比較，進一步論證了當前水擊數學模型的不正確性。並且應用改善了的特徵線法對正確的數學模型（ 3 ）進行了計算分析，研究了各種因素對水擊壓強值和水擊現象衰減的影響，指出在長管道系統中，沿程水頭損失的分區計算對水擊壓強的計算結果影響較大，建議在長管道系統的水擊計算中應按分區進行沿程水頭損失的計算。
  6. Through the computation of the water hammer pressure in steel and pvc pipes with the characteristic line method, the influence of velocity of water, material and wall thickness of the pipes to the magnitude, crecent process and phase length of the water hammer pressure is analyzed

    應用特徵線法，對鋼管及pvc管道中水擊進行計算，分析了管道中水流流速及管道材料、管壁厚度對管道中水擊壓強大小、水擊壓強的增長過程及其相長的影響。
  7. First, because pipelines are so complex that controlled object is high order, delay, coupling, nolinear and time - varing, it is difficult to realize closed loop control for it using valid mathematic model. to resolve this problem, the paper presents a fuzzy - pid control algorithm with self - adjusting regulation factor. second, if a moving motor supplied by inverter power is switched to be supplied by power supply, the impact of overload - voltage and overload - current appears

    主要針對中、大容量供水系統中，由於供水管網鋪設復雜、彎管多、控制對象具有高階、滯后、耦合、非線性及參數時變的特點，難以利用有效的解析式數學模型進行閉環控制，以及多臺水泵並聯運行時，水泵電機由變頻電源供電向工頻電源供電切換過程中產生的過電壓過電流沖擊這兩個難題，提出了可調整因子fuzzy - pid控制演算法及利用鎖相環控制實現水泵電機由變頻電源向工頻電源的同頻同相平滑切換。
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