backpressure 中文意思是什麼

backpressure 解釋
頂板壓力
  1. Influence of backpressure on conrod big end fracture splitting

    背壓力對連桿裂解加工的影響規律
  2. Cleanup corrosive substance in pipe such as internal water, clean oil, methane hydrate, ferric oxide, carbide dust, carbon bisulfide, hydrosulphurice acide, etc. ; reduce corrosion damages to inner wall of pipeline caused by corrosive substance ; clarify pipe route again ; inspect pipe deformation ; check perfectness ratio of valves along pipe ; decrease working backpressure

    清除管線內部積水、輕質油、甲烷水合物、氧化鐵、碳化物粉塵、二硫化碳、氫硫酸等腐蝕性物質；降低腐蝕性物質對管道內壁的腐蝕損傷；重新明確管線走向；檢測管線變形；檢查沿線閥門完好率；減小工作回壓。
  3. 5. pneumatic backpressure moving drawknife

    5氣動背壓式移動刮刀。
  4. 6. pneumatic backpressure moving drawknife

    6氣動背壓式移動刮刀。
  5. Pigging in pipe before inspection, pipe pigging under low throughput intermittent operation ; get rid of congealable oil, wax precipitation and incrustation in pipe to reduce backpressure and friction, and lower temperature

    管線內檢測前清管、低輸量間歇運行輸油管線清管；清除管線內部的凝油、結蠟、結垢，達到減小輸油回壓、減小磨阻、降低輸油溫度的目的。
  6. At the sometime, a set of backpressure turbine generator of 15mw with the inlet steam pressure of 110kg cm

    的抽凝式汽輪發電機組，一臺
  7. Reduced pressure zone assembly shall be installed at each potential health hazard location to prevent backsiphonage and / or backpressure backflow

    在每個具有潛在健康危害，需要防止反虹吸和/或反壓力迴流的地方應該安裝一個減壓區總成。
  8. A reduced pressure zone assembly shall be installed at each potential health hazard location to prevent backsiphonage and / or backpressure backflow

    在每個具有潛在健康危害，需要防止反虹吸和/或反壓力迴流的地方應該安裝一個減壓區總成。
  9. 3. pneumatic backpressure moving erasing knife, non - shaft pneumatic conic node printing plate loading, prompt and convenient printing plate changing

    3氣動背壓式移動刮刀，無軸氣動錐頂裝版，換版省時方便。
  10. A reasonable position of driving nozzle helps to achieve the maximum material flow that also depends on other parameters such as backpressure, properties of conveyed material and driving gas. it is observed that, an increase of convergent section angle is harmful to the pneumatic conveying system, and also influences on the mass flow rate of conveyed material, the distribution of static pressures in injector and the pressure drops of conveying pipe. in addition, within a reasonable scope of air mass rate, increasing the driving jet velocity is more advantageous than enlarging the dimension of driving nozzle

    試驗研究發現，氣體噴嘴位置對氣固噴射器的輸送能力影響最大，氣體噴嘴存在某一最佳位置，而這一最佳位置與背壓、輸送物料特性和輸送風特性相關聯；氣固噴射器的收縮角對其輸送能力、內部靜壓分佈和輸送管阻力特性均有適量影響，收縮角增大對整個輸送系統均不利；在適當的輸送風范圍內，提高氣體噴嘴出口速度比擴大氣體噴嘴尺寸更為有利，但氣體噴嘴出口速度過高會增加氣固噴射器和輸送管內的能量損耗，給輸送帶來不利的影響；系統背壓與氣固噴射器的氣體噴嘴出口速度的選取有關。
  11. 6. pneumatic backpressure moving erasing knife

    6氣動背壓式移動刮刀
  12. The approach combines hop - by - hop selective backpressure scheme with hol protection to eliminate congestion and improve performance of switched ethernet l2 domains instead of random early drop ( red ) scheme or its variants considering the characteristics of ethernet technique

    基於ieee802 . 1p和802 . 1q的隊列機制，採用逐跳選擇式背壓流控機制和頭端阻塞保護機制消除擁塞，改善系統性能。
  13. The turbine backpressure is measured by the pressure transmitters ind25. gcw. 00 pt400 on the main steam duct

    汽機背壓由主蒸汽管道上的壓力變送器ind25 . gcw . 00pt400測量。
  14. For trouble - free longevity, it is also equipped with a ball check valve which is a third - check member, its main function being to prevent backpressure on each pump cycle from unnecessarily acting directly on the check members

    為了保證長期無故障使用壽命，這種裝置還配置球型止回閥作為第三個止回閥元件，它的主要功能在於防止每個泵循環產生的反壓力不必要直接作用在止回閥元件上。
  15. This paper studies the diffuser ' s influence on the fadw ' s running properties experimentally including the inner wall and outer wall of diffuser and the backpressure of the diffuser. to prevent the gas of fadw from leaking into the laser cavity because of the effect of layer and turbulence the leak - proof flakes are designed. first the method of the leak - proof flake design is studied and then its influence on the properties of fadw is studied experimentally

    實驗研究了擴壓器對fadw工作性能的影響，提出了擴壓器結構和超音速噴管相對布局參考數據；研究了氣動窗口側壁防漏片的結構對氣動窗口性能的影響，並給出其工程設計方法；同時還研究了擴壓器不同的背壓對整個fadw作性能的影響，據此提出了擴壓器與引射器結合的設計方案，從而為大壓比、高性能的fadw的設計提供了進一步設計參考方法。
  16. Check module construction shall include built - in limit stops to prevent disc wear due to backpressure

    止回閥模塊結構應該包括內置止動限止器，防止由於反壓力造成閥瓣磨損。
  17. The installation of pumps can reduce well backpressure, expend oil gathering radius, increase oil production, save energy and reduce consumption and be favorable for safety production

    安裝了油氣混輸泵后，可降低井口回壓，擴大集油半徑，增加原油產量，節能降耗效果明顯，有利於安全生產。
  18. Therefore, if both check valves foul, and simultaneous negative supply and positive backpressure develops, the relief valve uses the air - in / water - out principle to stop potential backflow

    因此，如果兩個止回閥都受到污染，並且同時出現負供應壓力和正反壓力，則這種安全閥就利用氣進/水出原理來阻止潛在的迴流。
  19. With its exclusive patented relief valve design incorporating the " air - in / water - out " principle, it provides substantially improved relief valve discharge performance during the emergency conditions of combined backsiphonage and backpressure with both checks fouled

    配置獨特專利技術安全閥結構，採用「氣進/水出」原理，當兩個止回閥被污染並且產生反虹吸和反壓力緊急狀況下，這種原理實實在在改善了安全閥的排泄性能。
  20. Torsion spring checks shall have reversible elastomer discs and in operation produce drip tight closure against reverse flow caused by backpressure or backsiphonage

    扭力彈簧止回閥應該配置雙向合成橡膠閥瓣，並且在工作時對于反壓力和反虹吸所產生的迴流具有防滴漏關閉性能。
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