閥基 的英文怎麼說

中文拼音 [fájī]
閥基 英文
vent pin
  • 閥 : 名詞1 （指在某方面有支配勢力的人物或家族） established house or power group; a powerful person or...
  1. By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve

    通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對比后發現，固定閥周圍流場存在較強的湍動，閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區，使氣體穿閥后的行為變得復雜，並對氣液傳質過程產生重大影響；模擬結果表明，為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響，通過折邊來改變氣體的氣路是非常有效的，模擬值與實驗值基本得到吻合。
  2. And the interfaces have analog input, analog output and digital input / output. we have used differently cards, such as pc - 6330d a / d card, pcl - 728 d / a card based isa bus, ipc - 5375 i / o card and so on. in addition, we select micro - stir switches and pressure sensors as sensor elements to inspect the system and choose relays and induction valves to control the bicycle pump and the motor

    總線採用isa內部總線；介面主要有模擬量輸入介面、模擬量輸出介面、開關量輸入輸出介面等，課題分別選用pc - 6330d型a d板卡、基於isa總線的型號為pcl - 728的d a板卡、型號為ipc - 5375的i o板卡；另外，課題選用了微動式行程開關、壓力變送器作為傳感元件檢測系統，選用繼電器、電磁控制換向閥實現對氣缸、電機的控制；採用vc + + 6 . 0編制控制軟體，實現了纖維鋪放技術的計算機控制。
  3. Electric - controller is nubbin in developping. we are based on designing to structure of circuit, we are dead against in time and stabilization for controlling and communications, precision and rapidity for transformation etc. we have completed to select on microprocessor, clock - frequency and a / d transfer. it carry out transformation for valve position signal, and select on solid - switch ac

    在控制器的電路結構設計的基礎上，考慮到通訊、控制的及時、穩定、轉換的精度和速度等幾方面，主要完成對微處理器的選擇、時鐘頻率和a d轉換器的選用，閥位變送功能的實現，固態交流開關和顯示器的選擇等。
  4. The “ rough beast ” in question could be an end to the global “ liquidity bubble ” that has been fuelling asset prices, allowing private - equity groups to raise record sums and hedge - fund managers and russian plutocrats to buy up contemporary art, mayfair property and luxury yachts

    現在所說的」狂獸」很可能是全球」流動性泡沫」的結束，這些流動性泡沫助長了資產價格的上升，導致私人股份集團的總額升至創紀錄的高度，使對沖基金經理和俄羅斯財閥們能競相買入當代藝術品，梅菲爾區的地產和奢侈的遊艇
  5. Types and basic parameters for pn 250 mpa valve

    Pn250mpa閥門型式和基本參數
  6. Applying two perpendicular polarized light states and a no - light state to express information, this new theoretical system covers : a ) whole architecture constructed from light processing, light transmission, electric control and photoelectric input and output ; b ) various computing units mainly consist of liquid crystal element and polarimeter ; c ) light bus mainly consists of interlinkage optic valves ; d ) ternary memory formed from semiconductor memory ; e ) register formed from optic fiber ring ; and i ) huge - numeral management based on the new concept of calculating path and calculating channel

    這個理論包括：光處理、光傳送、電控制、綜合輸入輸出的總體結構；以液晶元件和偏振器為主的各類運算器結構；以互連光閥為主的光空間總線；以半導體存儲器為主的三值數據存儲器結構；以光纖環為主的寄存器結構；以算位、算道新概念為基礎的巨位數管理方案等。
  7. Fault diagnosis of electrohydraulic servo valve based on dwt

    基於小波故障提取的電液伺服閥故障診斷
  8. The electro - hydraulic servo valve with high response based on new type function materials

    基於新型功能材料的高頻響電液伺服閥
  9. Sleeve valve pipe grouting reinforcement for foundation of established building

    築物地基袖閥管注漿加固技術
  10. Application of compound foundational underpinning for raft plank foundation with sleeve valve tube grouting in underground construction

    筏板基礎結合袖閥管注漿復合地基綜合托換法在地鐵施工中的應用
  11. In this study, the load charateristics of submergible centrifugal pump and the influence of various regulating methods on energy dissipation are analyzed. the loading capacity of the submergible motor in variable speed drive control process is analyzed. the papers simple discribe the basic structure of the variable speed drive system in electric submergible pump > principle of pwm inverter and the basic structure of igbt

    在研究中，對潛油離心泵負載性能以及閘閥調節和調速調節對能耗的影響進行了分析；對潛油電動機在變頻調速的負載進行了分析；對潛油電泵變頻調速系統的基本結構、 pwm逆變器原理以及igbt的基本結構進行了簡單介紹。
  12. Do not use vaseline or other petroleum - based products on epdm seats

    在三元乙丙橡膠（ epdm ）閥座上不要使用凡士林或其它石油基產品。
  13. This dissertation applies virtual instruments technique in the field of servo valve cat for the first time and makes a servo valve static and dynamic state characteristic test bedstand based on virtual instruments. relevant theories and methods are also studied

    本文首次將虛擬儀器技術應用在電液伺服閥cat領域，研製出一套基於虛擬儀器的電液伺服閥靜、動態特性測試綜合實驗臺，並對電液伺服閥靜、動態特性測試的有關理論及方法進行了研究和探索。
  14. This paper put forward a method, which is used to identify the blow - off point of shock absorber valve system, based on the damping - displacement characteristic test of shock absorber, conversation of energy and equivalent damping coefficient

    摘要以減振器示功特性試驗為基礎，以能量守恆為依據，提出一種以等效阻尼系數為對象的識別減振器閥系開閥點的方法。
  15. The litter - resistance slowly closing butterfly check valve is developed a newest product based on our butterfly check valve, hydra - matic transmission to be add in the valve with unique design, new stuction and optimum performance, can be used pipeline of water supply and dring with such media : fresh water, sea water, sewage, raw water, ect. the valve should be installed at outlet of the water pump, in stapping the pump, the process of slowly closing after valve plate shuts rapidly. can be guard effectively against the destruction water hummer, so to ensure the safe operation of the pipline

    微阻緩閉蝶式止回閥是在我廠生產的蝶式雙瓣止回閥的基礎上利用能量轉換原理增設油壓緩閉裝置的新型模式止回閥，設計獨特，結構新穎，性能優宜，適用於凈水，源水，污水，海水等介質的供、排水管路中，安裝於水泵出口端，停泵時由於油壓阻尼作用法盤先速閉后緩閉，以消除破壞性水錘，保證灌路安全運行。
  16. Based on the special property of magnetic fluid ( mf ), we fill the magnetic fluid into the working clearances of the servo valve torque motor. one side, the magnetized magnetic fluid can exert a damping torque on the torque motor armature and reduce vibration of the armature ; on the other side, it can improve the magnetic circuit efficiency of the torque motor because of the magnetic fluid ’ s larger magnetic permeability

    基於磁流體所具有的特殊性質，將磁流體添加到伺服閥力矩馬達的工作間隙中，一方面磁流體被磁化后可增大銜鐵的阻尼力，減少振動;另一方面由於力矩馬達氣隙中磁導率的提高，使氣隙中的磁通量增大，力矩馬達的磁路效率和輸出扭矩將增大，因此可以提高力矩馬達的固有頻率和伺服閥的響應速度。
  17. The thesis roots in the item supported by " fifteen " aviation funds, - new type aeronautic linear dc motor ( ldcm ), study its classes characteristics and work principle, mainly researches the drive and control technique of aeronautic linear dc step motor ( ldcsm ) using in emergency discharging oil valve on airplane

    本文源於「十五」航空支撐基金項目-新型航空用直線直流電動機。論文研究了直線直流電動機的分類、特點及其工作原理，重點針對飛機應急放油閥用航空直線直流步進電動機驅動控制技術進行了研究。
  18. 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。
  19. Through consulting lots of relevant references, present research of direct drive volume control hydraulic servo system is summarized in this paper, the principle and character of this system are expatiated, the principle of vector control is introduced. at the same time, the mathematical model of ac asynchronous motor is set up based on the vector control theory. the mathematical models of both the pump controlled motor and pump controlled cylinder are set up and simulated in this paper

    在查閱大量國內外相關文獻的基礎上，本文綜述了國內外對該系統研究概況，闡述了該類系統原理和特點;闡述了矢量控制的基本原理，並基於這一原理建立交流異步電動機的數學模型;分別建立了泵控馬達系統和泵控缸系統的數學模型，並給出了模擬分析;設計了用於泵控馬達系統的集成閥塊，加工了密閉壓力油罐;針對現有直驅式電液伺服裝置所存在的問題，本文主要針對系統工作過程中所產生的噪音與爬行問題進行了一定的研究。
  20. Yet, most existing high speed on / off valves use electromagnet as their electicity - mechanism conversion element, and good performant electromagnets have to be imported from other countries, in such situation, it is difficity to make excelent high speed electromagnet valve made in our country, even if we can make good performant high speed electromagnet valve in our country, it still has the shortcoming of not high enough respond speed, too small placket and big volumeo in this thesis, a new high speed on / off valve is developed based on two types of existing valves, this new valve has higher respond speed, a little big placket and little volume o for the new valve, several main task was made out as below : a ) several types of high speed on / off were first analyzed, then the basic performance of the actuator of the new valve was analyzed

    高速開關閥是20世紀80年代發展起來的一種具有響應速度快、抗污染能力強、與電子電路配合好等特點的一個良好的動力放大元件。但是現有的高速開關閥基本上採用電磁鐵為電?機轉換元件，高性能的電磁鐵又基本為進口，難以滿足高性能高速開關閥國產化的要求，即使是高性能的電磁鐵式高速開關閥，仍存在著響應速度不夠大、開口過小、體積較大的缺點。本文在現有兩種高速開關閥的基礎上，設計了一種新穎的高速開關閥，在提高其動態性能的同時，增大了閥的開口，減小了閥的體積。
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