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

• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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
• 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
• 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
• 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。