Ultrasonic cleaning is based on the principle know as cavitations.
超声波清洁器是根据气穴原理进行设计的。
Blow molded by LDPE added with black carton and cavitations agent ;
有LDPE添加导电碳黑与抗气剂吹塑而成；
The decreased number of neuron and cavitations were observed 1 week later.
损伤后1周显示神经元减少，可有空泡形成。
Cavitations occurring in the pump will bring out noise and shorten the life of the pump.
气穴的发生将产生噪声并缩短泵的寿命。
By detecting the evolution of the cavitations of density, we can trace out the stealth vehicle.
通过对密度空洞变化的探测，可对隐身飞行体进行跟踪。
Wear and cavitations are major problems affecting safe operation in using agricultural machinery and pump.
磨损、空蚀是农机具及泵装置使用中安全可靠性的主要问题。
I was borne in the oldest city in all cavitations, but I live most my life in beautiful southern California.
我在一个老城镇长大，但我大部分时间都生活在最美丽的南加州。
Along with radius of three cavitations bubbles reducing, the intensity of pressure to rigid wall is strengthened gradually.
随着三空化泡初始半径的减小，三空化泡对刚性壁面的压强作用逐渐增强。
The results show that the main element with circumferential undercut groove can suppress the cavitations and cavitating noise.
结果表明，具有环形槽的主阀芯结构能有效抑制气穴和气穴噪声。
The inertial cavitations near the surface of skin play important roles in the transdermal enhancement of low-frequency ultrasound.
发生在皮肤表面附近的惯性空化作用在低频超声增透效应中发挥主要作用。
Impeller: Sure to change impeller if it has serious cavitations (main vanes in particular), over corrosion, wear and tear and breakage.
叶轮：严重汽蚀(特别是主叶片)、过度腐蚀、磨损、破损时，要求更换叶轮。
The article introduces the selection and application of regulation valves for the purpose of solving the problem of flash vaporization and cavitations.
针对调节阀的闪蒸和气蚀问题，介绍了调节阀在选型和使用中的要点。
In chapter 4, the effects of the nozzle construction and the operating parameters to the self excitation before the cavitations actions have been discussed.
第四章讨论空化发生前，喷嘴结构参数及运行参数对激振效果的影响，提出自激喷嘴的数值优化理论。
The causes of the circulating water pump impeller cavitations are analyzed, and good results are achieved through the use of wear putty to repair the impeller.
分析了循环水泵叶轮汽蚀的原因，通过采用耐磨修补剂对叶轮修补的方法，取得了良好的效果。
Based on the analysis of the break mechanism of the cavitations jet, a method of cleaning tubes and pipes based on the principles of cavitations jet is introduced.
在对空化射流的破坏机理进行分析的基础上，介绍了一种基于空化射流的管道清洗方法。
Diesel oil and water turned into thin emulsified fuel with the shear and extrusion in the mechanical blenders, and then became thinner with the ultrasonic cavitations.
柴油和水经过机械乳化器的挤压和剪切作用变成较细的乳化油，然后经超声乳化器的空化作用进一步细化。
The dynamic performance and stability of a externally pressurized hybrid journal-thrust floating ring bearing were studied considering the cavitations in deep pockets.
研究了计入气穴影响的径推联合动静压浮环轴承的动态性能和稳定性。
After the actuality study of measuring the incipient cavitations of centrifugal pump, according to the problem that the precision of measuring and real time was insufficient.
通过对水泵汽蚀现象的分析，阐述了水泵汽蚀的危害，提出了在设计和运行中防止和减轻汽蚀的措施。
This paper introduces measure of selecting of control valve, and putting forward influence and settlement measure of control valve producing phenomenon of flashing, cavitations, noise.
本文介绍了控制阀的选型步骤，并提出了控制阀所产生的闪蒸、空化、噪音现象造成的影响及解决措施。
This article mainly discusses and analyses in quality how to avoid cavitations occurred in control valve, which is in air-conditioning water system including both chilling and cooling.
本文针对空调水系统中的冷冻水系统和冷却水系统，定性的介绍了避免控制阀中气蚀现象的方法。
The parabolic shape is better than the arc shape through comparing time averaged pressures, fluctuating pressures and cavitations by theoretical analysis and hydraulic model experiments.
通过理论分析与模型试验，从时均压力、脉动压力、空化数等方面得出缓坡与陡坡过渡衔接部位采用抛物线型式较圆弧型式好的结论。
The parabolic shape is better than the arc shape through comparing time averaged pressures, fluctuating pressures and cavitations by theoretical analysis and hydraulic model experiments.
通过理论分析与模型试验，从时均压力、脉动压力、空化数等方面得出缓坡与陡坡过渡衔接部位采用抛物线型式较圆弧型式好的结论。
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