Can be used for both on-off and throttling control of fluid flow.
可用作流体流量的启闭和节流控制。
The model includes the fluid flow, heat and mass transfer equations.
模型中包括了流动、传热和传质方程。
A downhole device used to control fluid flow under downhole conditions.
用于在井下条件下控制流体流动的井下装置。
Purpose:To estimate the experimental value of PC cine MR for fluid flow.
目的：评估磁共振电影相位对比法对液体流速的实验价值。
This pressure, in turn, is known to generate a fluid flow away from the tumor.
反过来，这种液压会产生一种从瘤流走的液体流动。
These fractures play an important role in controlling fluid flow and recovery.
这些裂缝在控制流体流动和采收率方面发挥重要作用。
Fluid flow processes, including fluids transportation, filtration, solids fluidization.
流体流动过程，包括流体输送，过滤，固体流态化。
It is very important to couple geomechanics and fluid flow with 3d simulation software.
利用3维模拟软件把地质力学和液流结合起来则非常重要。
Fluid in the labyrinth seal flow process, to follow all the control of fluid flow equation.
流体在迷宫密封内的流动过程，遵循流体流动的所有控制方程。
If you have a fluid flow, for example, if you want to study wind patterns in the atmosphere.
如果想研究一下流体，比如要研究大气中风的形态。
Numerical results show that fluid flow is the key factor to affect inclusion's distribution.
计算结果表明：钢液的夹带作用是影响夹杂物分布的关键因素。
Introduction of methods of strengthening fluid flow and mix as well as recent trends are reviewed.
本文系统介绍了强化流体流动与混合方法的最新研究动态。
Fluid flow simulation analysis technology is introduced to study the direction of hydrocarbon migration.
在此基础上，引入流体流动模拟分析技术，研究了油气运移方向。
For on-line calibration system of flowmeter, the working fluid flow is from the petroleum pipe line itself.
体积管工作时的液流，对于流量计在线检定系统，是来自输油管线本身。
The use of rechargeable battery charging to the valve, fluid flow of the energy supplement for battery power.
利用充电蓄电池向阀门充电，流体流动产生的能量可为蓄电池补充电。
Fluid flow through tubes with local constriction has many applications in engineering and biomedical science.
局部狭窄圆管内的流体流动，在工程和生物医学中具有许多应用背景。
Sandstones, which are porous and permeable, can provide the reaction space for fluid flow and rock interaction.
砂岩因其发育孔隙为流体的流动和流体与岩石的相互作用提供了场所。
The downhole oil water separation system is comprised of double fluid flow pump, cyclone separator and oil pump.
井下油水分离系统由双液流泵、旋流分离器和原油提升泵三大部分组成。
A mathematical model has been established for fluid flow and heat transfer in weld pool with a deformed surface.
建立了熔池表面存在变形的流场与热场的数学模型。
A check valve that controls fluid flow rates to maintain a predetermined, constant pressure upstream from the valve.
为保持阀的上游的预定不变的压力所用的控制流体流量的一种止回阀。
Numerical simulation is a effective method for solving problems of fluid flow and heat transfer in complex geometries.
数值模拟是解决复杂区域的流动和换热问题的一个行之有效的方法。
The main problems are fluid flow and elemental transportation, the fluid rock interaction and the source of the fluid.
研究的主要问题是流体流动机制和元素迁移，流体-岩石相互作用和流体来源。
A manual or automatic, conical needle in a seat valve that can be changed to alter the amount of fluid flow through it.
在座阀中的一个手动或自动的锥形针状体。对它进行调节就可改变流过的流体的流量。
Adjustable chokes enable the fluid flow and pressure parameters to be changed to suit process or production requirements.
可调节流器可改变流体的流动参数和压力参数，以适合于处理要求或生产要求。
An improving measures was shown through analysis of existing problems for the experimental apparatus of fluid flow pattern.
叙述了流体流动型态演示实验装置改造前所存在的问题及改造的措施。
Slamming of check valves is the result of failure of the valve disc to reach its closed position before the fluid flow reversal.
止回阀的撞击现象，是由于在流体倒流之前，阀门的阀瓣没有到达关闭位置造成的。
Reservoir wettability is an important parameter for evaluating recoverable reserves and controlling fluid flow of a oil reservoir.
油藏润湿性是评估油藏可采储量，控制油藏流体流动行为的一个重要参数。
Swing-type check off er the least pressure drop and offer simple automatic closure; when fluid flow stops gravity and flow reversal closes valve.
旋启式止回阀压降最小，能够完全自动关闭，即在介质流动停止、重力和介质倒流的状态下自动关闭阀门。
Swing-type check off er the least pressure drop and offer simple automatic closure; when fluid flow stops gravity and flow reversal closes valve.
旋启式止回阀压降最小，能够完全自动关闭，即在介质流动停止、重力和介质倒流的状态下自动关闭阀门。
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