空化核

空化核最新研究评述

Critical review on cavitation nuclei research

空化核的全息测量法

Holographic method for measuring cavitation nuclei

将修正方程的数值解和R-P方程的数值解作了比较，在此基础上，对与气泡振动方程有关的应用（如声致发光和空化核聚变）情况作了分析。

A comparison of new theoretical results with those obtained from the R-P equation is given . Some relevant applications ( for example , sonoluminescence and cavitation fusion ) are discussed .

空化核与空化起始围压下喷嘴空化起始能力的实验研究

Experiential study on cavitation inception abilities of different types of nozzles under ambient pressure

实验观察液溶气体分子形成鲜空化核的可能性

Experimental observation of the possibility of formation of dissolved gas molecules into fresh cavitation nucleus

考虑液体表面张力对空化核的影响，基于力学平衡条件，讨论了球状空化核界面的平衡性。

Considering influence of liquid surface tension , equilibrium of a spherical nucleus has been discussed based on mechanical equilibrium of the interface .

分析了气核内气体的热力学行为，基于相平衡条件，还讨论了气体扩散与空化核稳定性的关系。

We analyzed the thermal behavior of the gas content . Gas diffusion and nucleus stability has been discussed based on diffusive equilibrium of the interface .

本文介绍了利用红宝石脉冲激光器测量空化核的原理，以及在水洞中进行测量的一些方法，给出了一些测核结果，并对实验中的误差分析其原因。

This paper introduces the principles of the measurement of cavitation nuclei with Pulse Ruby laser and briefly discusses some methods for measuring them in the water tunnel . Experimental results are given and the experimental errors are analysed .

声空化：核辐射、空化物理、声处理

Acoustic Cavitation : Nuclear emission , Cavitation physics , Acoustic processing

研究发现：声空化对核态沸腾起始区域的强化率最大，随热流密度的增加，强化率逐渐减小；当热流密度不变时，强化率随空化强度的增加而增大。

The research found that the maximum augmentation ratio occurs in the starting region of nucleate boiling heat transfer intensified with acoustic cavitation , and augmentation ratio becomes smaller along with the increase of heat flux .

水中微气泡和水中夹杂的固态微颗粒都是产生空化的气核，在自然界中河水或海水中，微气泡是气核的主要成分。

Both the micro air core and solid micro inclusion in water are air core for cavitation generate , micro air bubble is the main element of air core in river water or seawater .

两药联用于MDA-MB-231时可见有的细胞胞质局部坏死区及多处空泡，甚至出现细胞坏死，细胞膜破裂消失，胞质溶解、空化，呈裸核现象。

Local necrosis and many vacuoles appeared in the cytoplasm of some MDA-MB-231 cells . Furthermore the whole cellular necrosis with membrane broken and cytoplasm dissolved was even observed in some MDA-MB-231 cells which is called " nake nucleus phenomena " .

声空化物理研究和核发射实验的近期进展

Recent developments in the study of acoustic cavitation and related experiment on nuclear emission

靶区边缘肿瘤细胞肿胀、排列疏松，电镜示线粒体肿胀，胞质空化泡形成，核结构变化不显著。

Tumour cell that on the rim of the targeted areas were swelling and loose arrangement . Ultrastructural investigations showed mitochondrion swelling and the formation of cytoplasm cavitation bubbles , but the change of nuclear structure was not significant .

在双频超声作用下，各自产生空化过程，当各自空化内爆时，会产生许多新的空化核，这些空化核为另一频率的空化提供了更多与其共振频率接近的空化核；

With the collapse of the individual cavitation bubbles , many new cavitation nuclei are generated among which some cavitation nuclei are approaching the resonant frequency of the other frequency cavitation , so the whole cavitation effect is increased by their mutual influence .