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pulsation造句
1. Several astronomers noted that the star's pulsations seemed less pronounced. 2. It was the introduction of pulsation into their forms so that they appeared to swell and contract rhythmically. 3. Often in people subject to violent pulsations, palpitations and congestions. 4. In time-lapse films the first signs are pulsations by the cells where the gut will form. 5. It offers the true pulsation of natural growth. 6. A pulsation of the heart ; a heartbeat. 7. Usually, at this point, a pulsation may be felt at the end of the spine. 8. The method that combustion pressure pulsation is reconstructed from vibration signals, is valuable for diagnosis of combustion process. 9. She only felt the pulsation in her own fingers, and withdrew her hand with a shudder. 10. Vortexing Can cause unstable pump operation, vibration, pulsation and severe mechanical damage. 11. Service in systems involving frequent flow reversals and pulsation should be avoided. 12. This paper simulates and analyses the torque pulsation because of the modulation frequency and speed variation under ambipolar pulse width modulation, at the same time the results are given. 13. Objective Discuss sterilization effect of B - class pulsation table top vacuum pressure steam sterilizer for dental handpiece. 14. When pulsation amplitude increases, air voidage increases a bit, but bed pressure drop increases. 15. DC capacitor relies on the pulsation of DC voltage, power, inductance side, and load. 16. This paper discusses the methods of reducing pressure pulsation in high load zone of Francis turbine models. 16. Wish you will loveand make progress everyday! 17. The flow pulsation in a plane-parallel gear pump with 3-idlers was analyzed, formulae for calculating displacement, average flow velocity, instantaneous flow and pulsation flow were derived. 18. The energetic flow circulates in harmony with the rhythm of its pulsation. 19. The absence of transition curves is disguised by the pulsation of positive and negative, convex and concave curvature. 20. Service in systems involving rapid and frequent flow reversals, pulsation or turbulent flow should be avoided. 21. The occasionality and randomicity of droplet ejections are also attributed to the droplet pulsation resulting from the contact angle hysteresis. 22. Hydraulic friction welder has some disadvantages as high energy consuming, pressure pulsation, noising and heating. 23. Larger system voltage unbalance degree causes larger capacitor voltage pulsation and negative sequence current. 24. The invention broadens the adjusting range of the axial pulsation intensity so as to better meet the demand of screw rod axial pulsation of the squeeze machine. 25. The cause for corrosion-induced failure of inner cavity of pulsation vacuum sterilizer was analyzed through physical and chemical inspection, macroscopical and microscopical examination. 26. Based on the equation of action line for cycloidal pump, a geometrical mathematical model is built to solve instantaneous flow, displacement, average flow and the pulsation of the pump. 27. The paper aims to determine the effect of the volume of air tube on pulsation amplitude measured on-line by air purge method for pulsed extraction column. 28. The result showed that the pump has the advantages of larger discharge and smaller pulsation. 29. According to torque ripple of brushless DC motor, the different PWM modulation mode and overlapping commutation method are used to minimize torque pulsation when current commutation is considered. 30. Results The typical X-ray signs of PPCM were as follows: heart enlargement, diminished heart pulsation and pulmonary congestion.