管路阻力 的英文怎麼說

中文拼音 [guǎnlùzǔlì]
管路阻力 英文
pipe resistance
  • 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;...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 管路 : pipeline; canal; channel
  • 阻力 : 1 （阻礙事物發展的外力） obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  1. On one hand, it may exert damping on the armature of torque motor and overcome self - excitation of jet pipe. one the other hand, it may enlarge magnetic permeability of working clearances and improve magnetic circuit efficiency of torque motor to boost dynamic response speed of servo valve

    一方面可增大力矩馬達工作氣隙部分產生的阻尼，從而可以抑制射流管的自激，另一方面又可增大工作氣隙的導磁率，改善力矩馬達部分的磁路效率，從而提高伺服閥的動態響應速度。
  2. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監測系統研究較少的現狀，在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響，並在此基礎上採用無節流方法測量流量，以風機調節性能曲線為依據，建立了基於徑向基函數（ rbf ）神經網路的風機流量全程監測模型；以實驗室4 - 73no . 8d離心風機為研究對象，探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律；最後用visualc + +語言開發了風機性能在線監測系統。
  3. Fluid network was divided into a lot of independent loops. through changing states of valves, i got pipe flux and pipe pressure drop. based on pressure balance equation, i built the differential equation system, solved the differential equation system, and acquired resistance coefficients of pipes and component

    並將流體網路圖分解為一個個獨立迴路，通過改變閥門的狀態，來獲取迴路各管段流量和壓力損失，根據迴路壓力平衡方程，建立方程組，對方程組進行了求解，解出了各未知管段、流體器件的阻力系數。
  4. Management mode part studiesinvestment and financing management of power transmission market and expandsfinancing thinking of power transmission market ; regarding harmonious developmentproblems between power plant and power grid, it puts forward new mode of electricpower layout and constructs the whole frame and model of accelerating harmoniousdevelopment between power plant and power grid on the basis of it ; operatingmanagement of power transmission is mainly congestion management of powertransmission and impartiality and openness of power dispatch ; the impartialopenness of power transmission grid is important standard of power transmissionmarket and it puts forward the joint mode of power grid under electric power marketwhich accords with market admittance system and perfects the mode of electric powermarket

    管理模式部分研究了輸電市場的投融資管理，拓展了輸電市場的融資思路;在對廠網協調發展的研究中，提出了電力規劃新模式，並在此基礎上構建了促進廠網規劃協調的整體框架和模型;輸電運營管理主要考慮了輸電阻塞管理和「三公」調度;輸電網的無歧視開放是輸電市場的重要標準，提出了電力市場條件下的電網接入模式，符合市場準入機制，完善了電力市場模式。結合區域電力市場和特高壓電網進行分析，展望了我國輸電市場的發展方向。
  5. It is indicated that, when a two - speed motor is used for driving oil transfer pump, the motor with the characteristic of torque reduction on square rotary speed should be chosen ; the working economy of the variable speed pump is restricted by the characteristic curves of pipeline resistance, and its speed control range is restricted by the pipeline resistance characteristic curve, the pressure head needed by the system and the working characteristic of the pump ; when several pumps work in parallel, the pump with better performance should be changed into speed - variable pump

    指出雙速電動機用於輸油泵的調速時，應選用轉矩按轉速平方降低特性的電動機；調速泵的運行經濟性受到管路阻力特性曲線的限制，其調速范圍受到管路阻力特性曲線、系統所需揚程和泵運行特性的限制；在母管制系統中把部分定速泵改為調速泵時，應將性能較高的定速泵改為調速泵。
  6. Points out that some designers only use empirical methods in determining the inner diameter of pipeline, calculating system resistance and selecting the rated flow and rated head of circulating pumps in water systems

    摘要指出目前一些設計人員在設計空調水系統時，僅根據經驗值估算管道內徑、計算管路阻力和選配系統循環水泵的流量和揚程。
  7. Based on the further study of dynamic characteristic of the tractor - implement combination, according to the integrated control model, which including the flowing three parameters : the engine load rate, drive wheel slip and work resistance, and the three control strategies, which are : highest production efficiency control strategy, oil consume economic control strategy and give attention to the above control strategy, we can adopt different control strategies according to different purpose of the task. applying the theory of the hybrid dynamic system to this case, the three control strategies can be abstracted to three discrete matters, and then the exchange model of the discrete matters of the top layer ( which called manage layer ) of the tractor - implement combination and the function decision model, which based on the nerve network, can be established. through this way, the best ad aptive controlling of the tractor came true

    本文研究了拖拉機機組的綜合控制問題及其最佳匹配方法，在深入研究機組動態特性的基礎上，根據發動機負荷率、驅動輪滑轉率和作業阻力三參數的綜合綜合控制模型以及三種綜合控制策略（最高生產效率的控制策略、燃油經濟性的控制策略和兼顧最高生產效率及燃油經濟性的控制策略） ，針對不同的作業目的，採用不同的控制策略，應用混雜動態系統理論，把三種控制策略抽象為三種離散事件，建立了拖拉機機組上層（管理層）離散事件切換模型，並建立了基於神經網路的功能決策層模型，從而實現了拖拉機機組的整機最優控制。
  8. In the last part, the situation of the application of ec is outlined, and the facts that impeded the development of ec are presented : the imbalance of supply and demand with regard to the infrastructure of network, the lackey of confidence of consumer and firms on ec because of the lackey of credit in economy life, and the difficulties of how to adapt to and protect the new product style of ec by state legal system. we pointed out that, several aspects, such as fiscal tax revenue, law and enactments, the safety of information, admission of market, the perspectives of information, and technolocrats, will persistently impeded the development of ec. in china, the application of ec should be dominated by firms and conducted by government, which should as soon as possible enact the relative law regarding to taxation, electronic paying, digital signature, certification authority, intellectual property on web, etc. the national physical distribution system, the financial monitory system, the system of credit of firms as well as consumers should be completed

    在最後一個部分，文章簡述了我國電子商務應用的現狀，用博弈論方法分析了制約我國電子商務應用發展的幾個主要原因:網路基礎設施的供需失衡、經濟生活中的信用意識缺乏導致的消費者和企業對電子商務應用中的普遍的不信任及國家法律制度如何適應和保護電子商務這種新的生產方式等，並指出，財政稅收、法律法規、信息安全、市場準入、信息觀念、技術人才等幾個方面的問題將是長期阻礙電子商務發展的因素，電子商務在我國的應用要走企業為主體、政府引導的路子，政府應盡快制定有關稅收、電子支付、電子簽名、身份認證、網上知識產權等方面的法律法規，建立覆蓋全國的現代化物流配送體系，健全和完善金融監管體系，特別是企業信用體系和消費者信用體系的建設，大力推進企業信息化建設，創造發展環境，完善保障機制，加快人才培養。
  9. As to congestion management, two congestion pricing methods are studied. one is aumann - shapley method and the other is based on the usage to the congestion device, which are capable of eliminating the merchandise surplus. at last, the methods for cutting contract for eliminating the congestion effectively in the bilateral / multilateral market model are studied

    阻塞管理方面，本文針對電力庫模式下節點定價法導致出現銷售盈餘的不足，介紹了as定價方法及基於線路利用率的阻塞定價法，從而從根本上解決了該問題；針對雙邊多邊交易市場模式，本文探討了在出現阻塞時如何合理地裁減合同從而有效地進行阻塞管理的方法。
  10. The power - electrical impedance equivalent circuit of each separate module is analyzed and more concise designing rule is educed from it by connecting corresponding four - terminal network in series and taking the material and section area of the separate module as variable

    本文分析了各分離組件的力電阻抗等效電路，並將對應的四端網路相互串聯，以分離組件的材料和截面積為變量，經過分析得出具有分離組件的振動件不管材料是滯相同，設計時均可將多個分離口組件看為一個體的設計規律。
  11. Finally, the paper analyzes transmission congestion to the line attain over a long period of time what degree should consider an extension or build a new line to eliminate congestion, from opportunity cost angle. the paper gives a presentation on the challenge that transmission network planning faces and its basic way of thinking in power market environment. the paper also proposed a methodology for transmission network planning based on reformative congestion sensitivity indices

    文章最後，從機會成本角度分析了長期阻塞線路的阻塞達到何種程度時該考慮擴建或新建線路用於消除阻塞，簡要介紹了電力市場環境下電網規劃面臨的挑戰及其基本思路，並提出了改進的基於阻塞靈敏度因子的電網規劃方法，發展和豐富了電力市場環境下電網的輸電阻塞管理研究。
  12. Professor dennis shun - chiu lam, chairman of the department of ophthalmology and visual sciences, the cuhk commented that, " since most patients with macular cnv are not suitable candidates for current treatment modalities like laser treatment or surgery, pdt is a viable new option in which it could limit the progression of macular diseases with cnv especially when used at the early stage of the diseases.

    香港中文大學眼科及視覺學學系主席林順潮教授認為：由於大部份患有黃斑脈絡膜血管增生的病人皆不適宜接受現有的激光或手術等治療，光動力療法將會是一條新的出路。林教授指出，病人如能在病發初期接受光動力療法，治理脈絡膜血管增生，便有機會阻止黃斑病變惡化。
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