采用外压管式聚砜-聚丙烯腈共混超滤膜进行错流膜生物反应器水力清洗特性研究。
The external pressure tubular moduel and PS PAN blended membranes were used in the study on the characteristics of hydraulic cleaning in crossflow membrane bioreactor.
本文从ANSYS有限元分析和试验两方面分别对光管和波节管在承受内压爆破和承受外压失稳时的性能进行研究。
This paper studies the performance of internal pressure blasting and external pressure squirm between smooth tube and corrugated tubes from the ANSYS finite element analysis and testing.
该装置主体由内管、外管、活塞管、端盖、承压环、吊耳、液路元件和密封元件等组成。
The device is mainly made up of inner tube, outer tube, piston tube, end cover, retaining ring, hanger, liquid-route element and sealing element.
分析表明：该管线的变形失效是在加套管过程中工艺安排不当所致，在施工过程的试压期间引起了内管的外压失稳，使内管产生永久的变形。
The impact of some key construction links on destabilization of the external pressure of the inner pipes was analyzed and verified in the course of pope-line rebuilding.
对割缝衬管在防砂井中受外挤力作用进行了分析，计算了井底压力（包括流体流经砾石层和割缝衬管的压降） ，建立了衬管割缝参数与割缝条幅弯曲强度及刚度之间的关系式。
The pressure of slotted pipes in a sandy well was analyzed. The bottom hole pressure was computed. A model for computing the bending strength and stiffness of a slotted pipe was proposed.
对割缝衬管在防砂井中受外挤力作用进行了分析，计算了井底压力（包括流体流经砾石层和割缝衬管的压降） ，建立了衬管割缝参数与割缝条幅弯曲强度及刚度之间的关系式。
The pressure of slotted pipes in a sandy well was analyzed. The bottom hole pressure was computed. A model for computing the bending strength and stiffness of a slotted pipe was proposed.
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