The traditional bubble frequency correlation to estimate regular channel could not be used to predict the narrow channels.
根据常规通道内的经验计算公式，不能很好地描述窄流道中的汽泡频率特性。
The results show that bubble frequency and gas holdup distributed highly surrounding the blade and uniformly in rest of the bath.
结果表明，气泡频率和含气率在喷头附近分布很高，在其它部位分布是均匀的。
The influences of wall on the frequency response of the bubble and the turbulent intensity of the bubble motion have been analyzed through frequency spectrum analysis method.
通过频谱分析，考察了壁面的存在对空泡频率响应特性和湍强度等方面的影响，并与壁面对固体颗粒运动的影响进行了比较。
The results indicate that the LPWA has much better reproducibility and accuracy than the major frequency of power spectral density in reflecting the properties of bubble phase.
结果表明，它具有比传统的功率谱主频好得多的统计重复性，能更准确地反映气泡相的特性。
The upper and lower caps of one elongated bubble oscillated at the same characteristic frequency (band).
同一气泡上下游界面振荡具有相同特征频率（频段）。
The following work has been done:(1) Analyzing the influence of acoustic frequency, acoustic pressure amplitude and initial bubble radius towards bubble dynamics respectively;
主要工作和结论为：（1）分析声场频率、声压和气泡初始半径对气泡动力学过程的影响。
Objective to observe the bio-effects on VEC-304 treated with low-frequency ultrasound and micro bubble agent, and to offer the clinic application theory basis of ultrasound.
目的：研究低频超声联合微泡剂对血管内皮细胞VEC- 304的作用，为超声治疗的临床应用提供实验依据。
At last, the energy of the bubble formation frequency band was compared with the bubble model which shows the reliability of the analysis methods mentioned above.
将气泡生成脉动能量与气泡模型进行比较，结果再次论证本文分析方法的可靠性，本文的研究工作为稠密气固两相流动的研究揭开了一个崭新的篇章。
The design of the disc turbine aerator and the oar turbine aerator are discussed. Their inspiratory capacity, air bubble diameter and distribution frequency are compared.
设计了圆盘型涡凹曝气头和螺旋桨型涡凹曝气头，比较了两种类型曝气器的引气量、曝气气泡直径、粒径分布等。
Short sellers like James Chanos (of Enron-exposing fame), economists and journalists started using words like 'bubble' and 'crash' with increasing frequency.
因揭露安然(Enron)事件而出名的詹姆斯·查诺斯(JamesChanos)等做空者以及经济学家和记者开始更频繁地使用“泡沫”、“崩盘”等词语。
Adopted no-drop, no-splash, no-bubble filling, PID temperature control and fluctuating sealing, computer control, frequency conversion for speed adjusting and other technique.
采用了无滴无溅无泡灌装、PID温控和浮动封口、电脑控制、变频调速等技术。
Adopted no-drop, no-splash, no-bubble filling, PID temperature control and fluctuating sealing, computer control, frequency conversion for speed adjusting and other technique.
采用了无滴无溅无泡灌装、PID温控和浮动封口、电脑控制、变频调速等技术。
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