pulsation

n.  搏动;脉冲;脉动;间断;(交流电的)角频率

复数:pulsations

GRE化学

BNC.37980 / COCA.27303



柯林斯词典

  1. VERB (有节奏地)搏动,跳动,震动
    If something pulsates, it beats, moves in and out, or shakes with strong, regular movements.
    1. ...a star that pulsates.
      一颗脉动的恒星
    2. ...a pulsating blood vessel.
      搏动着的血管

双语例句

  1. It needs a reasonable explanation for the relation between such similarity and the tectonic pulsation.
    这种相似性与成矿构造脉动性的统一需要给予合理的解释。
  2. Research on Instant Flow Characteristic and Pulsation of Arch Gear Pump
    弧齿齿轮泵瞬间流量及其脉动特性研究
  3. 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。
  4. 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。
  5. We feel the long pulsation, ebb and flow of endless motion.
    我们感到长久的悸动,和永无止境的潮起潮落。
  6. Piping vibration or damage caused due to dynamic loads, such as mechanical vibration, acoustic vibration, fluid hammer, pulsation and relief valve discharge.
    由于动荷载引起的管道震动和损坏,例如机械震动,声波震动,液击,压力脉动和泄放阀门泄放时引起的震动。
  7. The LPV direct torque control used a method of stator voltage space vectors subdivision to decrease the torque pulsation.
    结合定子电压空间矢量细分方法,可减少电磁转矩的脉动,实现了LPV直接转矩控制。
  8. Arterial-alveolar N2 difference Analyses of the Gas Pulsation and Pipeline Vibration of Reciprocating Compressors and Solutions
    动脉血-肺泡气氮分压差往复式压缩机气流脉动与管路振动问题分析与解决
  9. Research and Realization of Vehicle Oil Coolers Fatigue Property Pulsation System Based on Fuzzy-PID Control;
    对螺旋扁管与普通直管在油冷却器中的污垢特性进行了对比实验研究。
  10. Research on Actual Flow and Pulsation of the Axial Piston Pumps
    轴向柱塞泵实际流量及脉动系数的理论研究
  11. 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。
  12. The model was subjected to pulsation, vibration, free vibration and hammering tests in order to investigate its flexibility, frequency and damping characteristics.
    为了获得模型的柔度特性、频率、阻尼等进行了脉动试验、自由振动、锤击试验等。
  13. Drive by or as if by pulsation.
    推动或者有节奏的跳动。
  14. Steady delivery without pulsation, little vibration and noise.
    输送液体平稳、无脉动、振动小、噪音低。
  15. The population pulsation effect in the gain medium was considered to research the fine mode coupling effects in the laser gyro.
    为研究激光陀螺精细模耦合作用,考虑了增益介质中的粒子数脉动效应。
  16. Simulation of transient state of hydraulic pulsation dampers with a CFD code was done to get their frequency response.
    对液压脉动衰减器用CFD软件进行了数值仿真计算,得到了其频率响应。
  17. Analysis of Pressure Pulsation of Counter-rotating Ventilator Based on Unsteady Calculation
    基于非定常计算的对旋风机压力脉动分析
  18. Pressure pulsation similarity relationship between model and prototype Kaplan turbines
    轴流式原型和模型水轮机的压力脉动相似性分析
  19. It is a wave, a vibration, a pulsation at the very heart of the All That Is.
    它是在一切万有心中的一个波动、一个震动、一个脉动。
  20. Research on Hydraulic Accumulator Absorbing Pressure Pulsation in the AGC Hydraulic System
    蓄能器在AGC液压系统中吸收液压冲击的研究
  21. 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。
  22. While the process was going on, I felt a pulsation that I reported to the doctor.
    在手术进行过程中,我感到一种搏动并告诉了医生。
  23. The actual flow and pulsation of the axial piston pump are more complicated physical phenomena.
    轴向柱塞泵的实际流量及流量脉动情况复杂。
  24. Dynamic analysis of blade based on the unsteady airflow pulsation
    基于非定常气流脉动的叶片动力学分析
  25. Reduced Torque Pulsation, thereby reduces noise in start-up and operation process.
    转矩脉动减少,起动和运行噪音更低。
  26. The analytical study on the gas pulsation and piping vibration in a natural gas pipeline was presented, based on which the measures are suggested to control the excessive vibration.
    对存在严重振动问题的某天然气压缩机的进气管路进行了气流脉动和管道振动分析,提出了管路调整措施。
  27. Acquisition and analysis of signals in tubular pump pressure pulsation test
    贯流泵压力脉动测试信号的采集及处理分析
  28. With high pressures and/ or applications that require frequent and fast filling of the pulsation dampener, the inlet of the in-built compressor may be fed by compressed air.
    对高压和/或需要缓冲器频繁和快速充气的应用场合,内置压缩机进气可采用压缩空气。
  29. Analyses of the Gas Pulsation and Pipeline Vibration of Reciprocating Compressors and Solutions
    往复式压缩机气流脉动与管路振动问题分析与解决
  30. Analysis of influence of PWM method on toque pulsation of six-phase BLDC;
    PWM调制方式对六相无刷直流电动机转矩脉动的影响分析;

英英释义

noun

  1. the rhythmic contraction and expansion of the arteries with each beat of the heart
    1. he could feel the beat of her heart

    Synonym:    pulseheartbeatbeat

  2. (electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
    1. the pulsations seemed to be coming from a star

    Synonym:    pulsingpulseimpulse

  3. a periodically recurring phenomenon that alternately increases and decreases some quantity