pulsation

Usually, at this point, a pulsation may be felt at the end of the spine.

这时通常会在脊椎尾部感到一种搏动.

Study on Gas Pulsation of Discharge System of Scroll Air Compressor

涡旋式压缩机排气系统气流脉动现象研究

The prospect for further utilization of the developed model is great. It may be used to calculate velocity fluctuation, pulsation of thermal flux and ice discharges as well to determine errors of calculation characteristics caused by some external stochastic factors.

该模型有广阔的应用前景，它还可用来决定流速脉动、热通量脉动、冰花流量脉动以及估算由外界随机因素所引起计算特性值的误差。

Objective Discuss sterilization effect of B-class pulsation table top vacuum pressure steam sterilizer for dental handpiece.

目的探讨B级脉动真空压力蒸汽台式灭菌器对牙科手机的灭菌效果.

Pulsation phenomena in the solar burst on July 30, 1990

1990年7月30日太阳射电大爆发中的脉动现象

Normal and quick run ( H. D.) records of the earth's magnetic field were made at Ruili, Yunnan Province during Feb. 16, 1980, total solar eclipse. Daily variation, small disturbance and magnetic pulsation were analysed.

1980年2月16日日全食期间，在云南瑞丽进行了地磁场的正常与快速两种记录，分析了地磁日变化、小扰动和地磁脉动的变化。

DC capacitor relies on the pulsation of DC voltage, power, inductance side, and load.

突加负载时直流侧电容是由直流电压波动 、 功率 、 电感及负载决定的.

Service in systems involving frequent flow reversals and pulsation should be avoided.

应该避免应用在频繁出现流体倒流和间断的应用系统中.

To measure high turbidity water of the Yellow Riv er automatically, granular sizes of flocs is determined by using transparent pulsation device through the dynamic modelling.

为了实现黄河高浊度水在线自动检测，通过动态模型实验，使用透光脉动检测仪检测絮凝体的脉动值用以描述絮凝体的颗粒大小。

On the excitation mechanism of pulsation for β Cephei stars

关于仙王座β型变星的脉动激发机制

Research resume of the quasi-periodic pulsation in solar radio burst

太阳射电爆发准周期脉动的研究概况

Discussion about Pulsation of Stator Radial Force in Variable Flow Vane-type Pump

变量叶片泵定子径向力脉动分析

Hydraulic friction welder has some disadvantages as high energy consuming, pressure pulsation, noising and heating.

液压式摩擦焊机具有能源消耗大 、 压力脉动 、 噪声、发热等缺点.

The gas pulsation of discharge hole type of scroll air compressor is studied in this paper.

研究了涡旋式空气压缩机排气系统的气流脉动现象,首次提出了排气孔口侵入现象及计算方法.

A pulsation of the heart ; a heartbeat.

心动描记器上标明心跳次数.

The result showed that the pump has the advantages of larger discharge and smaller pulsation.

结果表明,该泵具有排量大、脉动小等优点.

The pulsation in the original data of Doppler velocity has to be removed before the retrieval.

用VAP方法反演风矢量场前必须首先消除原始Doppler速度资料中的脉动.

On the other hand, although there are many models which explain the long term periodic variability of AGN(" hot spot", the instability of thin disk, bistability, pulsation of self gravitational disk etc), no one of them is perfect;

对时标较长的周期性光变，尽管现在已有不少模型（亮斑、薄盘的不稳定性、双稳定性、自引力吸积盘的脉动等等），但是所有这些模型都不够完善；

Study on the Fast Self-pulsation in Three-section DFB Laser

三区DFB激光器高速自脉动的研究

In this paper mechanisms of fast self-pulsation in three-section DFB laser have been analyzed and numerically simulated on the basis of which in double-section DFB laser.

基于双区DFB激光器件自脉动研究的基础上，对三区DFB激光器件的自脉动特性进行了讨论和数值模拟分析，并对提高自脉动频率的方案进行了研究。

Vortexing can cause unstable pump operation, vibration, pulsation and severe mechanical damage.

涡流可能会导致泵运行不稳定 、 振动 、 跳动和严重的机械破坏.

Application prospect of data of digital geomagnetic pulsation meter in earthquake prediction

数字记录地磁脉动仪资料在地震预报中的应用前景

It offers the true pulsation of natural growth.

它提供了自然成长的真正跳动.

A research on the attenuation performance of gas flow pulsation and numerical method in perforated tude with orifice plate

孔板穿孔管气流脉动衰减性能及计算方法的研究

The basic principle and approach of Top Cement Pulsation ( TCP ) technology was introduced in the paper.

介绍了顶部水泥脉冲振动技术的基本原理和方法.

The Criterion of the Unstable Thermonuclear Reaction in the Helium Burning Shell of a Thermal Pulsation AGB Star

AGB星氦燃烧壳层源出现非稳定热核反应的判据

A billiard table The Analysis and Application of Earth Pulsation at the Stations of Tianjin Seismic Network

（台球）球桌，弹子台天津测震台网子台地脉动分析与应用

At low frequencies, such as 10 per sec., pulsation is sensed rather than vibration.

在低频率(譬如每秒十次)时, 所感觉到的是脉冲而非振动.

She only felt the pulsation in her own fingers, and withdrew her hand with a shudder.

她感觉到的是自己手指上的脉搏, 她颤栗地收回她的手.

If the roller pulsation, the pressure on paper as cause misregister.

如果滚子径向跳不静, 则差纸的不张辛有不小有小,致使套印禁绝.