Induced by the high-speed feed jet flow, the solid particles above the feed nozzle tended to flow down, and a reverse flow zone was formed along the riser wall.
受喷嘴区高速射流的影响，喷嘴上方固体颗粒呈向下流动趋势，形成一个诱导回流区域。
Besides, a notable vortex rope and a reverse flow structure exist in the draft tube in smaller wicket gate openings, which can easily lead to the instability in operation of the pump-turbine.
此外，发现开度较小时尾水管内存在明显的涡带和回流涡结构，容易导致机组运行的不稳定；
As a result, the generating action of the induction machine will cause the power flow to reverse and the kinetic energy of the drive system will be fed back to the supply.
结果，由于感应电动机为发电机，功率流将反向，拖动系统的动能将被反馈回电网。
When the pressure difference changes with time, a phase shift will occur between the transient pressure difference and displace of valve flap, which could cause leakage and even reverse flow.
当阀片两侧的压差随时间变化时，阀片的启闭与压差的变化之间存在一定的相位差，有可能引起泄漏甚至反向流动。
This paper proposes a three-dimension reverse design method of blade based on turbine according to the flow parameters and revolution of pump.
提出了按水泵给定流道参数和转数，从水轮机方向计算叶型的全三维逆向设计方法。
Use a pressure reducing regulator or separate control valve to safely discharge gas from cylinders. Use a check valve to prevent reverse flow into the cylinder.
使用减压调整器或单个的控制阀来安全地从钢瓶中排出气体。采用止回阀，防止回流入钢瓶。
On the basis of geometric dimension and flow pattern of tangential reverse flow cyclone separators, a pressure drop mathematical model is presented through analysis of pressure drop components.
根据切向反转流旋风器的结构特性和流场特性，分析了该种旋风器的阻力构成并给出了相应的计算模型。
A float collar is placed at the top of the float joint and a float shoe placed at the bottom to prevent reverse flow of cement back into the casing after placement.
浮箍是放置于浮动接头之上的，而浮鞋则是放置于浮动接头之下，以防止水泥浆回流到套管内。
However, the need for oil flow in hydraulic circuit reverse flows can use hydraulic control, opening a one-way valve, so that the flow of oil can flow in both directions.
但在液压回路中需要油流反向流动时又可利用控制油压，打开单向阀，使油流在两个方向都可流动。
Afloat on a boat or flotsam, they will be dragged inland with the flow until a reverse slosh begins, the water flowing back into its bed.
他们漂浮在小船和残骸上，随着水流被拖拽进入了内陆地区，接着一股相反的水流开始泼溅过来，海水又流回到了海床里。
Reverse power relay a reverse power relay is a relay with a wattmeter movement that senses the direction of power flow.
逆功率继电器逆功率继电器是指带瓦特计的继电器，用来感知电流的方向。
The flow structure displayed a reverse jet current in the lateral cavity and white corrosion on the lateral enlargement surface.
试验细部结构特征，发现侧空腔内的反射回漩流和突扩弧形面上的白色蚀带。
Never reverse flow through a regulator or rely upon it to act AS a check valve. It will not perform this function.
禁止通过调整器倒流或依靠它作为止回阀。它不允许执行这个功能。
The authors propose a new concept of primary reconstruction of the donor foot using a reverse-flow anterior tibial flap from the same leg.
趾移植、足背皮瓣、第二足趾移植和趾关节移植等进行手再造后，应用同侧小腿胫前逆行皮瓣进行一期足部供区重建。
Use a check valve to prevent reverse flow into the cylinder.
采用止回阀，防止回流入钢瓶。
Objective: to develop a method for extension of the Posterior interosseous reverse flow flap and to im - prove its reliability.
目的：提出一种延长骨间背侧逆行皮瓣和增加其可靠性的方法。
On gas withdrawal systems, use a check valve or other protective apparatus in any line or piping from the container to prevent reverse flow.
对于气体排出系统，使用止回阀或其它保护性装置以防止回流。
Never reverse flow through a regulator or rely upon it to act as a check valve.
禁止通过调整器倒流或依靠它作为止回阀。
Never reverse flow through a regulator or rely upon it to act as a check valve.
禁止通过调整器倒流或依靠它作为止回阀。
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