脉动

For the meter which has liquate inner, can work in strong vibration or pressure pulse situation.

对于在外壳内充液的仪表，能够抗工作环境振较强和减少介质压的影响。

The damping effect is also affected by pump pressure, volume of air chamber and the prefill pressure in chamber.

改变泵压、空气包容积和充气压等参数,对排出液体的减有较大影响。

Objective To investigate the effect of vasal viscoelasticity on wall shear stress of pulsatile flow under the influence of Rolling Massage.

目的研究血管粘弹对血流在扌衮法推拿作用下的影响。

The metallogenic material was from deep alkalic basaltic magma, and the pulsatory invasion was the necessary metallogenic condition of the ore deposit.

成矿物质源于碱玄武岩浆，基次火山岩浆多次式入侵是矿床形成的必要条件。

Fluid is conveied to bit nozzel through drill string from pump is a transient state flowing with pressure wave, which makes the fluid jetted out from nozzel has certain pulsation.

从钻井泵经过钻柱内部输送到钻头喷嘴的流体是一种瞬态流，存在着压行波，使从普通喷嘴射出的流体有一定程度的。