It is suggested that the controlled shot-peening can be used for impairing cavitation intensity and slackening development of cavitation.
水轮机空蚀破坏具有典型的机械疲劳破坏特征，针对其特点，提出采用受控喷丸工艺来减弱水轮机空蚀强度，延缓空蚀的发展。
The cavitation is one of the important biological effect in the high-intensity focused ultrasound HIFU therapy. It plays a significant role in producing coagulative necosis and improving the treatment efficacy.
超声空化效应是高强度聚焦超声治疗中的重要生物学效应之一，在形成凝固性坏死与提高治疗效率等方面起着关键性作用。
The cavitation is one kind of extremely complex phenomenon, the cavitation can cause the extremely high instantaneous intensity of pressure and the temperature, thus can bring the multitudinous applications, but sterilizating by ultrasonic cavitation has just only been done in the laboratory.
空化是一种非常复杂的现象，空化能够产生极高的瞬时压强与温度，从而能够带来众多的应用，但超声空化用于杀菌却仅仅停留在实验室研究阶段，超声杀菌的处理量是比较少的，本文描述了超声及水力空化杀菌机理，进行了不同条件下超声和水力空化杀菌实验。
The duration of each run was less than the time needed to achieve the steady-state cavitation intensity.
跑的其中每一的期间比时间是需要达到稳定气蚀强度的较少。
The results show that: the initial radius of cavitation bubble size, acoustic frequency, sound intensity, sound field and other factors in the cavitation bubble growth and collapse play a decisive role in the process.
结果表明：空化泡初始半径的大小、声频率、声强、声场等因素在空化泡生长和溃灭过程中起决定性作用。
In the application, if the intensity of pressure request can be satisfied, the aperture number of the perforation plate should be as big as possible, in order to obtain the best cavitation effect.
应用中在满足压强要求的前提下，穿孔板的穿孔率应尽量大，以获得最佳的空化效果。
With the increase of driving frequency, the initial radii range of cavitation bubbles decrease, and the oscillation intensity reduces.
随着声波频率的升高，空化气泡的初始半径取值区间越来越小，空化振荡也越来越弱。
The movements of bubbles can affect the intensity of cavitation directly.
气泡的运动行为直接影响空化效果。
However, for bulb turbine, the discharge is large, the number of runner blades is less, the total area is small, cavitation coefficient is large, Intensity condition is bad, as a result, the application head is limited.
但由于贯流式水轮机转轮叶片数少，叶片总面积少，而过流量又较大，气蚀系数大，且叶片强度条件差，故其适用水头是有限的。
Reed whistle nozzle size on the cavitation intensity of impact, with the nozzle length and the thickness ratio increases, the cavitation effect of strengthening.
喷嘴尺寸对簧片哨的空化强度有影响，随着喷嘴长度与厚度比值的增加，空化效果加强。
The change of cavitation effect was study by adding nitrogen, and the influence of ultrasonic treatment that had different cavitation intensity on the crystallization process was investigated.
研究了通入氮气对超声空化作用的影响以及空化作用的强弱对亚硫酸钙晶粒形成过程的影响。
The research covers such topics as pressure distributions, cavitation inception with its development, the statistical characteristics of pressure fluctuations and the spectrum of noise intensity.
时均压力分布、空穴发生和发展的状态、压力脉动的统计特征及噪声强度的谱。
Morphological Study of Cavitation in Bone Neoplasm Rabbits Transplanted with VX_2 with High Intensity Focused Ultrasound
高强度聚焦超声治疗兔的骨移植性VX2肿瘤过程中空化效应形态学研究
In this text, according to home and abroad scholars's study on design of sonochemical reactor and parameters of ultrasound cavitation, I designed the sonochemical reactor cohered with transducers on its side wall, and study cavitation field and ultrasound field distribution by changing power and frequency, and made research in absorption of different power and frequency ultrasound traveling in water, and especialy study the cavitation with different sound intensity.
笔者综合国内外学者关于声化学反应器的设计思路，设计了侧壁黏结换能器清洗槽式声化学反应器，改变频率定性测量反应器中的声场和空化场分布，研究不同频率的超声在水中传播的吸收情况、声空化和声压或声强的关系以及一定频率的超声在水中的有效空化范围。
The effect of a single bubble dynamics in the Venturi on the cavitation flow field depends on turbulence intensity. The more severe the turbulence in venturi, the less the effect of single bubble on the whole flow field.
文丘里管内单个空泡的动力学特性对整个空化流场的影响与湍流强度有关，湍流越剧烈，单个空泡对整个流场的影响就越小。
The results show that a distinctive augmentative effect on natural convection is observed with acoustic cavitation, and cavitating intensity and orientation are important factors affecting natural convection enhanced by acoustic cavitation.
研究结果表明：声空化对自然对流传热有显著强化作用，空化强度及空化方向是影响声空化强化自然对流传热的重要因素。
The fomer is related to the gaseous M-cresol in the cavitation bubbles, which the gaseous M-cresol in the cavitation bubbles decrease the cavitation intensity and degradation rate.
前者与空化泡内含有的气态间甲酚有关，当空化泡内含有气态间甲酚时，会降低空化泡内的空化强度和降解速率。
The propagation of high—intensity ultrasound in melt and the effects of acoustic cavitation and acoustic streaming on wettability and dispersion of fine particles were studied experimentally and caculated theoretically.
对高强超声在熔体中的传播及声空化和声流效应对微细颗粒的润湿和分散作用进行了实验观察和理论计算。