pulsation

英

美

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

• VERB （有节奏地）搏动，跳动，震动
  If somethingpulsates, 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

英英释义

noun

• 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
• (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
• a periodically recurring phenomenon that alternately increases and decreases some quantity

双语例句

• 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
• 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。
• 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。
• 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。
• 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。
• 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
• 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
• 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。
• Steady delivery without pulsation, little vibration and noise.
  输送液体平稳、无脉动、振动小、噪音低。
• 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。