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- This paper introduces the method of casing pressure drop which can be used to measure pump inlet pressure and flow pressure at well bottom. 阐述了套压降低法测泵口压力和井底流压的基本原理、测试方法以及相关的资料处理和计算方法。
- The results showed: The cooling had significant influence on the near wall flow pressure, and the influence was different with cooling schemes. 结果表明：冷却气流对喷管壁面压力分布影响较大，不同冷却结构的壁面压力分布特点不同。
- Critical flow pressure reflects the impact of capillary pressure and boundary effect and gas percolation, and causes non-Darcy gas flaw. 临界流动压力反映了毛细管力与边界层作用对气体渗流的影响，并使气体表现出非达西渗流特征。
- Pressure mould former has its special characteristics developed by our company. It depands on the pulp flow pressure and quickly dewatering in forming zone. 压力圆网成型器是本公司开发的一种很有特点的园网成型器。它主要依靠浆流本身的压力，在成形区内快速脱水成形。
- Independent of flow pressure change and temperature change in a given range, MFC/MFM show the excellent repeatability, controllability and wide operating pressure range. MFC/MFM具有不因温度和压力的波动而失准，重复性好，自动测量控制，工作压力范围宽等特点。
- A concept of “gas flow pressure"is proposed and the existance of the pressure in ventilation network in gassy mines is demonstrated in theroy and in practice. 提出了“瓦斯风压”的概念，从理论、实践上论述了“瓦斯风压”在瓦斯矿井通风网络中的存在。
- The selection of pipe wall thickness,the calculation and design key points of the melt flow,melt pipe flow pressure fall and melt flow speed in the design of melt pipes were introduced in detail. 介绍了熔体管道设计中管道壁厚选择、熔体流量、熔体管道流动压力降和熔体流速等计算方法和设计要点。
- This device should be installed at the furthermost downstream end of the supply pipe or fixture where temporary spillage due to critical flow pressure conditions can be discharged harmlessly. 这种装置应该安装在供应管道或卫生洁具下游尽可能远，并且由于临界水压环境可能产生无害排放的暂时性喷溅的地方。
- It can get the conclusion that the reasonable flow pressure of producing well should not be lower than the pressure corresponding to the first inflexion point of the inflow performance curve. 分析得知,试采井合理井底流压不应低于流入动态曲线第一个拐点对应的压力。
- At last, the approximate calculation methods of pore water pressure and flowing pressure are presented. 给出土坡稳定性分析中对孔隙水压力和动水压力的近似计算方法。
- IPR curve is a kind of characteristic curve deseribing the basis relationship between oil well production and bot-tomhole flowing pressure. IPR曲线是描述油井产量与井底流动压力的基本关系曲线。
- The daily production of swabbing well at different swabbing flowing pressure was calculated based on the mathematics model of swabbing well at flowing bottomhole pressure. 在建立定流压抽汲井数学模型基础上,分别就不同的最大抽汲流压计算了抽汲井日产量。
- Because more and more wells are producing by swabbing way at present, the production prediction of swabbing well becomes an urgent problem at different flowing pressure. 目前越来越多的油井靠抽汲方式进行生产,对抽汲井不同流压下产能进行预测成了迫切需要解决的问题。
- Such knowledge has important signification for the well test theory of the flowing pressure increases during the production-deciding test of blow wells. 这些认识对建立自喷井定产量试井流压上升的试井理论有重要意义。
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
- The calculation on flow pressure of the two-phase 垂直管流中的气液两相流压力计算
- In convection, hot currents flow upwards. 在对流中热气流向上运动。
- After several pumps, the water began to flow. 用泵抽了几下之后,水流出来了。
- fuel flow pressure operated actuator 用燃料压力工作的动作筒
- During deliverability test, flow rate changes from small to big and we can obtain a series of flow pressures, including pressures above saturation pressure and below it, moreover, various physical characters can be obtained by experiments. 进行产能测试时，流量从小到大取得一系列稳定的流动压力值，有大于和小于饱和压力的测点。
