負壓閥 的英文怎麼說

中文拼音 [fùyāfá]
負壓閥 英文
negative pre ure valve
  • 負 : Ⅰ名詞1 （負擔） burden; load 2 （虧損） loss 3 （失敗） defeat Ⅱ動詞1 [書面語] （背） carry on th...
  • 壓 : 壓構詞成分。
  • 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...
  • 負壓 : [物理學] negative pressure; subatmospheric pressure
  1. Then a vsc controller using on - off valve and two potentiometers are designed for cushioning control system. it can realize the balanced, no shock, no reversing cushioning. experiments under different air pressure, load mass are carried out, and the results prove that the vsc controller can be used in pneumatic cushioning

    第五章首先介紹了變結構控制的原理和應用發展情況，然後針對本實驗系統設計了一個使用開關閥和端位位移傳感器的變結構控制方案，實現緩沖過程的平穩無沖擊和無回彈要求，並在不同氣源壓力、不同負載質量下分析了控制性能的變化，實驗結果證明緩沖控制採用變結構控制是可行的，並具有很強的魯棒性。
  2. Suction gas pressure goes up as the compressor run at the lower speed in the lower burthen, and this is beneficial to lower systems energy - consume. when the system is controlled by wvf, the discharge change of the evaporator is not linear ; the electronic expansion valve is adopted to regulate the system superheat degree, and the controlled object is parameter time varying, accordingly, the time varying controller should be adopted

    在負荷較小時，壓縮機採用低速運轉，吸氣壓力升高，這對系統降低能耗是有利的；變頻控制時，蒸發器製冷劑流量的變化並非線性；系統中採用電子膨脹閥進行過熱度控制，被控對象具有參數時變的特性，相應地宜採用變結構的控制器。
  3. Live - loading of bonnet bolting stores the required sealing load during a pressure or temperature induced transient

    在壓力或溫度不斷波動轉換的情況下，動負載閥帽螺栓儲存了所需要的密封負載。
  4. The improvement system is made up of the pressure sensor, flow sensor, displacement sensor, electro - hydraulic proportional flow control valve, power amplifier, data gathering board and computer. the platform can carry out testing the hydraulic parameters, processing the tested data, saving the processed data and drawing, adjusting the pressure automatically

    改造后的測控系統主要由壓力傳感器、流量傳感器、位移傳感器、比例節流閥、功率放大器、數據採集卡和計算機組成。改造后的實驗臺具有自動採集實驗數據、自動處理實驗數據、自動保存實驗數據、自動調節液壓系統負載壓力等功能，大大提高了實驗臺的工作效率、測試精度和智能化水平。
  5. When the governing valve was series - connected on the return oil - line in the metering - out control system, under the same flow area and the same adjusted pressure of relief valve, with the incremental quantity of step load, the pressure highly - adjusted capacity of the hydraulic cylinder chamber with piston - rod increased, meanwhile, it ' s time of rise, time to peak and the governing time all increased. at the same time, the pressure highly - adjusted capacity of the hydraulic cylinder chamber without piston - rod increased

    當出口節流調速系統的回油路上串接調速閥時，隨階躍負載的增加，在相同流量閥開度、相同溢流閥調節壓力的情況下，液壓缸有桿腔壓力p _ 2 （ t ）的超調量是增加的，上升時間、峰值時間以及調整時間也是增加的；液壓缸無桿腔壓力p _ 1 （ t ）的超調量是增加的。
  6. After simulating the model of water hydraulic valves, the velocity distribution, pressure distribution, energy distribution can be obtained and relations between the valve channel and the energy loss, the negative pressure distribution can be analyzed, which offers the theory foundation for designing water hydraulic valves with the high efficiency, low energy loss and low noise

    通過對水壓閥模型的cfd穩態和瞬態解析，可以得到水壓閥內流場的速度分佈、壓力分佈及能量分佈，據此定性分析流道結構（速度、壓力、流動的分離與再附壁，旋渦的產生與消失等）與能量損失、負壓分佈等的關系，從而為設計出高效率、低能耗、低噪聲的水壓閥提供理論依據。
  7. Solid materials handling and pneumatic conveying system packaged machinery and its equipment and valves are mainly used for conveying, material unloading, dedusting, metering, mixing, packing units in the processing units of the solid materials including powder, particles, powder mixtures and flakes of abs, ps, pe, pp, pom, san, pet, pc, pta, pvc, bpa, sap, as and pmma in the trades of petroleum, chemical industries, chemical fiber, dye, pharmacy, food, electronic, paper making, natural gas, power, environmental protection, metallurgy and etc. it is applicable for various pneumatic conveying systems and gravity flow conveying systems under the conditions of diluted - phase, densed - phase, high pressure, low pressure and vacuum pressure

    固體物料處理和輸送系統成套機械及其專用設備、閥門主要應用於石油、化工、化纖、染料、醫藥、食品、電子、造紙、天然氣、電力、環保、冶金等領域中固體物料（含abs 、 ps 、 pe 、 pp 、 pom 、 san 、 pet 、 pc 、 pta 、 pvc 、 bpa 、 sap等粉沫、顆粒物料、粉粒混合物、片狀）生產加工過程中輸送、卸料、除塵、計量、混合、包裝等工段使用，能適用於稀相、密相、高壓、低壓、負壓各種氣力輸送系統和重力流輸送系統。
  8. Pressure seal design without live load bonnet ( no spring washers ) : the gasket bolt tightness must be rechecked after operating test pressure and temperature has been achieved

    沒有動負載閥帽的壓力密封結構（沒有彈簧墊圈） ：在工作試驗壓力和溫度達到限制值時，必須重新檢查墊圈螺栓的緊固性。
  9. When install, first the two ellipse oval flange on positive - negative pressure measuring container of transmitter would be take off, then take three valve units install on transmitter, turn tighten four screws, final take ellipse oval flange solidly install on three valve units

    安裝時選將變送器正負壓測量容室上的兩只橢圓形法蘭取下，然後將三閥組安裝于在變送器上，旋緊四個螺釘，最後將橢圓形法蘭牢固安裝在三閥組上。
  10. Unsteady separated flow, produced during the gate - opening period in the reverse radial gate tunnel of a high - lift shiplock, is characterized by negative pressure and high velocity as well as their intense fluctuations in space and time and could easily result in various harmful phenomena such as cavitation, gate vibration and sonic boom, which have been observed and confirmed by prototype and physical model tests

    高水頭船閘輸水反弧閥門開啟過程中，后廊道內發生急變分離流，負壓、高速水流以及壓力與流速的劇烈時空脈動變化容易誘發空化空蝕、門振和聲震等有害現象已被原型觀測和物理模型試驗研究證實。
  11. Similarly, for spin - valve structures giant - magnetoresistance becomes larger when the bias increases. it becomes smaller when the bias is negative

    同樣，自旋閥結構的偏壓u增加時巨磁電阻增大，加負壓時巨磁電阻減小。
  12. Pacv pulse air check valve

    排氣負壓脈沖空氣止回閥
  13. In this way, supersonic fluid amplifier especially bistable valve with negative pressure switch is used in the rocket projectile thanks to its advantages of switching rapidly, the ability of low temperature air to control the high temperature gas and no moving parts in high temperature gas

    超音速射流雙穩閥，特別是採用負壓切換的超音速射流雙穩閥因其具有切換快速、可用低溫氣流控制高溫燃氣和在高溫燃氣中無活動部件的優點而適用於火箭彈的姿態控制系統中。
  14. Spring loaded discs help affect a tight seal in low differential pressure services

    彈簧負載閥瓣有助於在壓差較低的應用環境中產生更緊的密封。
  15. This paper studies the 50 and 42. 5 valves, which used in bk183 - 5 rocket engine of a100 long - range multicell rocket projectile with numerical calculation. the results of simulation are consistent well with theory and experiment. the calculation starts off with simple two - dimensional model, as well as coupled implicit solver and advanced v2f turbulence model are used

    本文對採用負壓切換的用於a100遠程多管火箭彈bk183 - 5姿控發動機的50閥以及在其基礎上改進的42 . 5閥進行了數值計算，取得了較為滿意的效果，計算結果與理論分析和實驗數據都十分接近。
  16. Pas pulse air solenoid or system

    排氣負壓脈沖空氣電磁閥或系統
  17. Function of three valve units is take signal from lead pressure point introduce the positive - negative pressure measuring container of transmitter, to realize on or off between lead pressure point and measuring container, and on off between positive and negative pressure container, also can use as differential pressure balance check zero and when remove transmitter as cut - off valve

    三閥組的作用是從引壓點將信號引入變送器的正負壓測量容室，實現引壓點與測量容室之間接通或斷開，以及正負壓測量容室之間接通或斷開，亦可作為差壓平衡檢測零點用和卸變送器時作截止閥用。
  18. 2 four hole diameter of valve : connect to side of instrument positive - negative pressure container 4 - 12

    2閥體四孔孔徑:接儀表正負壓容室側: 4 - 12
  19. That is, through analysis of the principle on flow control and " hydraulic transistor ", design and calculation of flow control characteristic as well as main parts in valve inner chamber, a piloted reducing valve will be installed between main valve and pilot valve. after a pressure - difference compensating reducing valve was added in the non - pressure compensating piloted reducing valve of the flow control valve in vlalvistor valve, the calculation on control characteristic emulation and load characteristic emulation has been carried out. the result of the calculation shows that after pressure compensating reducing valve was added, the linearity of the control characteristics has been greatly improved thus eliminating influence upon outlet flow by load pressure - change of the hydraulic system and improving performance characteristics of the hydraulic component

    文章還在對瑞典valvistor閥的插裝比例閥研究的基礎上，提出了一種新的流量控制原理，即：通過對流量控制和「液壓晶體管」原理的分析、流量控制特性及閥內腔主要結構件的設計計算，在主閥和導閥之間增設先導減壓閥，並進一步對valvistor閥的流量控制閥之無壓力補償先導減壓閥、加入壓差補償減壓閥后的控制特性進行了模擬計算和負載特性模擬計算，結果表明：增設壓力補償先導增壓閥后，其控制特性曲線變得非常線性，從而消除了液壓系統負載壓力變化對主閥輸出流量的影響。
  20. We have built the fist auto - production line of our country, which can produce 1, 000, 000 mental carrier catalysts per year. and built the half - auto production line that able to manufacture 300, 000 litre pottery beehive catalyst annually. catalyst product are used in motor exhaust gas control and petroleum chemic industry and environmental industry. any other business

    請問： 1 .貴公司產品用在摩托車上的工作原理？以及控制閥在什麼時候起作用？ 2 .控制閥上的負壓介面應該接到什麼地方？
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