pipe under pressure 中文意思是什麼

pipe under pressure 解釋
壓力管
  • pipe : n 1 管，導管，筒。2 煙斗，煙袋；一袋煙。3 〈古語〉笛，管樂器；【航海】（水手長的）哨子（聲）；〈p...
  • under : adv 1 在下，從屬著，服從著。 bring under get under keep under 等〈參看各該動詞條〉。 The ship wen...
  • pressure : n 1 壓；按；擠；榨。2 【物理學】壓力，壓強；大氣壓力；電壓。3 精神壓力，政治[經濟、輿論等]壓力。4...
  1. Pipe joints and their elements for pipes of unplasticized polyvinylchloride unplasticized pvc under pressure ; sockets reducing of injection moulded for cold welding, dimensions

    未增塑聚氯乙烯受壓管道的管道連接件及其元件.第9部
  2. ( 4 ) through the hydraulic property experiment of micro - hole lateral pipes of simple sdi in air, it was found that the average pressure of 60 mitre length lateral pipes was at the position of per 40o / o ~ ~ ~ 50 % of the effectual pipe length from the fist micro - hole, major pressure - loss was occurred at the ahead part of half pipe. the pressure uniformity reduced with orifice aperture ? increasing, and the relationship between pressure uniformity and initial water pressure was poor. running under the initial water pressure of 1. 5 meter, the discharge uniformity reduced with orifice aperture ? increasing, and when the orifice aperture smaller than or equal 1. 0mm, irrigation uniformity could achieve above 0. 6

    （ 3 ）通過對空氣介質中簡易地下滴灌的微孔毛管試驗研究發現： 60m管長的毛管平均壓力水頭的位置基本上在距第一孔口的有效管長40 - 45的地方；大部分水頭損失發生在毛管的前半部分；壓力均勻度隨孔徑的增大而減小，但與初始工作水頭關系不密切；在1 . 5m以下的工作壓力下運行，沿程出流均勻度隨孔徑的增大而降低，當孔徑不大於1 . 0mm時，灌水均勻度可以達到60以上；當孔徑大於等於1 . 2mm時，灌水均勻度低於50 。
  3. Based on the theory of valve stroking, the mathematical models and their numerical methods of valve stroking in specified time with pressure constraint are proposed for the hydraulic pipe - turbine system in pumped storage plants, the models and their solving methods are also proposed for the complex hydraulic pipe - turbine systems with the practical programmes under the conditions of hydraulic transients

    摘要對于整體可控的水力機組系統，在過渡過程計算中可直接應用閥調節原理，本文提出了不帶調壓室的簡單管道及分叉管道系統限時閥調節和限壓閥調節數學模型及其求解方法，並對此進行算例分析。
  4. Design of steam injection pipe set for producing deep heavy oil under over critical pressure

    深層稠油超臨界壓力注汽管柱設計
  5. Fabrication of the box beam is divided into such parts as reinforcement, formwork, concreting, prestressing, moving and storing of beam, pipe grouting under pressure, end sealing of the beam, water - proof layer on the bridge surface system, protective coating etc. the paper makes description of effective box beam construction technology and workmanship which can be adopted in other projects, such technologies as : manufacturing and fixing of reinforcement, steel reinforcement fixing baseplate, web plate and top plate respectively and lifting the steel skeleton into form, requirements of design and manufacturing and way of utilization for dismantling - erection type formwork and hydraulic formwork, optimization of concrete ratio, concrete pouring process of two ends of beam in priority over the middle, in sequence of first baseplate followed by web plate and top plate at last, concrete pouring in inclined section and in horizontal layer, concrete vibration mainly by external vibrator in assistance with internal vibrator, methods and regulation for steam curing of concrete, dual controls over stress and strain to ensure quality of prestressing workmanship, construction method of effective beam moving by heavy - weight special moving facility, some regulations and key notes about construction of grouting under pressure, beam ends sealing, water - proof layer on the bridge surface system, protective coating

    箱梁製造由鋼筋工程、模板工程、混凝土工程、預應力工程、移存梁工程、孔道壓漿工程、梁體封端工程、橋面防水層和保護層工程等施工環節組成。文中介紹的採用胎具製作和綁扎鋼筋，分底腹板和頂板分別綁扎並吊裝鋼筋骨架入模；拆裝式和液壓式兩種模板的設計、製作要求和使用方法；綜合考慮、優化混凝土配合比，混凝土灌注從兩端至中間、先底板、后腹板、再頂板的施工順序和斜向分段、腹板水平分層、附著式振搗為主、插入式搗固為輔的施工工藝，蒸汽養護的方法和規定；應力應變雙控制確保預應力施工質量的施工技術；採用重物移運器有效移梁的施工方法；壓漿、封端、橋面防水層和保護層施工的一些規定和注意事項等都是對箱梁製造行之有效的施工技術和施工方法，並可為以後類似施工作借鑒。
  6. Under the function of big pressure and dynamic load, the grains may be moved which may cause the soil body distortion. at present, the relatively ripe methods of drill in gravel layer are mostly double - wall drill pipe reverse circulation drilling, auger stem breast wall drilling and down - the - hole hammer follow down drilling

    論文根據jsl ? 30型礫石鉆機潛孔錘同心跟管鉆具結構，採用程序計算得到了鉆桿內各深度處壓力分佈、鉆頭壓力降、環形空間壓力分佈及空氣流速分佈。
  7. This pressure must be under control, and we control it by means of the mud which we circulate down the drill pipe

    這種壓力必須加以控制，而且我們控制壓力的方法是把泥漿灌注到鉆管中去。
  8. The change of residual contact pressure of bimetal composite pipe under the action of heat load in this article, the possibility of separation between two metal layers in temperature cycle was researched ; it has been shown that under heat loading condition, it has a limit working temperature

    摘要分析了在熱載荷作用下雙金屬復合鋼管結合強度的變化，研究了經歷溫度循環后內外層管之間出現松脫的可能性。
  9. In this system, mean velocity pipe is applied to transform the air velocity signal into pressure difference signal, and then the pressure difference signal is input into pressure difference transmitter to realize the transform of the pressure difference signal from non - electricity signal to electric current, and through the resistance in the corresponding sampling circuit the electric current is transformed into voltage signal ; the thermocouple is used as the primary element to realize the transform from temperature signal to the voltage signal ; under the control of communication agreement module, diversified voltage signal is transported into computer by way of a / d conversion module, and then the monitoring software compiled beforehand is transferred to deal with all the voltage signals relatively, the result of which is conveyed to relative interface to display

    該裝置具有三個特點：一是採用表面式測溫方法，有效地減少了元件的維護與損耗；二是採用工業控制計算機及信息就地採集、數據總線傳輸的方式，充分利用計算機和數據自動採集方面的技術，實現各種參數的在線測量，監測指標全面，能與dcs系統聯用，具有技術先進性和一定的前瞻性；三是採用顯示器配工業觸摸屏的顯示方式，為現場運行人員提供了簡單、易學、方便的操作模式。本裝置自2001年8月投入運行以來，有效地幫助、指導運行人員進行燃燒調整，對于鍋爐和機組的安全、經濟運行發揮了重要作用。
  10. Standard test method for time - to - failure of thermoplastic pipe under constant internal pressure

    長期恆定內壓下熱塑性塑料管材耐破壞時間的測定方法
  11. Pe lining steel pipe is currently most popular and widely used in big cities of china, made of hot dipped galvanized steel pipe bonded with the inner layer of pe pipe under high temperature and pressure, the outer layer of steel pipe can be coated with pe also, which shall be connected by malleable iron fittings with pp lining, outer layer could be coated with epoxy

    公司目前生產和銷售dn15 - dn600襯塑復合鋼管內襯外覆塑鋼管內復不銹鋼凈水管襯塑瑪鋼管件不銹鋼管件溝槽式管接頭襯塑帶頸螺紋法蘭襯塑平面整體法蘭等產品，並可按用戶要求生產特殊規格的襯塑復合鋼管內襯外覆塑鋼管內復不銹鋼凈水管及管件。
  12. Pipe joints and components of chlorinated poly vinyl chloride for pipes under pressure - pvc - c 200 - part 2 : general quality requirements, testing

    加壓管道用氯化的聚氯乙烯管連接件和部件. pvc - c 200
  13. Fcd. 3 138d : 4ds outer - thread copper pipe union at both ends of the inlet and the outlet this valve uses the principle of two - stage pressure reducing variation and, when to lower the switch valve, the shock from the water pressure to the valve casing shortens the start time of this valve under the highest medium pressure and makes it with the incomparable superiority of energy saving among the pulse - type electric - controlled valves

    該閥採用二級減壓變化原理，降低開關閥時水壓對閥體等配件的沖擊，提高電磁閥的可靠性和工作壽命，縮短了閥在最高介質壓力下開啟時間，使其在脈沖式電控閥門中具有無可倫比的節能優勢。
  14. Fcd. 3 138g : 4ds outer - thread copper pipe union at both ends of the inlet and the outlet this valve uses the principle of two - stage pressure reducing variation and, when to lower the switch valve, the shock from the water pressure to the valve casing shortens the start time of this valve under the highest medium pressure and makes it with the incomparable superiority of energy saving among the pulse - type electric - controlled valves, combining to increase filtered to regulate the discharge function with machine type

    該閥採用二級減壓變化原理，降低開關閥時水壓對閥體等配件的沖擊，提高電磁閥的可靠性和工作壽命，縮短了閥在最高介質壓力下開啟時間，使其在脈沖式電控閥門中具有無可倫比的節能優勢，並在接線上採用密封插件，並增加了過濾器和機械式調節流量功能。
  15. Pipe joints and components of unplasticized poly vinyl chloride for pipes under pressure - part 3 : unions ; dimensions

    加壓管道用未增塑聚氯乙烯的管道連接件和部件.第3部
  16. Pvc - u. 5 pipe joints components of unplasticized poly vinyl chloride for pipes under pressure - part 5 : general quality requirements, testing

    未增塑聚氯乙烯壓力管道用管接頭和元件
  17. Pipe joints and components of unplasticized poly vinyl chloride for pipes under pressure - part 10 : wall bracket elbows ; dimensions

    加壓管道用未增塑聚氯乙烯的管道連接件和部件.第10部
  18. Pipe joints and components of polyethylene for pipes under pressure, pe 80 and pe 100 - part 5 : general quality requirements, testing

    加壓管道pe 80和pe 100用聚乙烯管道連接件和部件
  19. Pipe joints and components of unplasticized poly vinyl chloride for pipes under pressure - part 6 : injection - moulded elbows for solvent cementing ; dimensions

    非增塑聚氯乙烯壓力管道連接件和配件.第6部分:溶劑粘
  20. Pipe joints and components of unplasticized poly vinyl chloride for pipes under pressure - part 8 : injection - moulded sockets, caps and nipples for solvent cementing ; dimensions

    加壓管道用未增塑聚氯乙烯的管道連接件和部件.第8部
分享友人
分享到 Line

分享到臉書