功率超声技术广泛使用在许多领域。
研究了功率超声对巴氏合金凝固过程的影响。
The effect of power ultrasonic on the solidification process of Babbit was investigated.
本文给出了一种大功率超声振动子的基本结构。
The basic structure of ultrasonic vibrators is studied in this paper.
因此，其设计和制作也是功率超声的核心内容。
So the design of this kind of transducer is the kernel part of high power ultrasonics .
研究功率超声在纳米电沉积技术中的作用机理。
The mechanism of applications of high intensity ultrasonic in the nano composite electrodepositing was expatiated on the base of experiment.
根据该结果，分析了功率超声变质细化的机理。
通过数值模拟研究功率超声对粒子运动轨迹的影响。
The power ultrasonic influence of the particles movement track was studied.
超声变幅杆是功率超声振动系统中的重要组成部件。
Ultrasonic amplitude transformer is an important part in the power ultrasonic vibrating systems.
功率超声设备中，频率自动跟踪技术是一个重要课题。
It is important that the frequency of ultrasonic generator tracks the transducer mechanical resonance in the power ultrasonic equipment.
因此，功率超声振动系统及其控制的研究越来越受重视。
So research of power hypersonic vibration system and its control technique is paid more and more attention.
大功率超声波可以降解生物污泥，释放出其中的有机物。
High power ultrasound can decompose sludge and release its organic matters.
这些特性对大功率超声换能器的合理运用具有重要影响。
These are all important to appropriate application of high-power ultrasonic transducers.
而低功率超声辐射微泡治疗肿瘤研究亦有望取得突破性进展。
The treatment of tumor with microbubble destruction by low-power ultrasound can make great breakthrough.
研究了功率超声处理对ZL102铝硅合金凝固特性的影响。
The influence of side-introduced power ultrasonic treatment on the solidification characterization of ZL102 Al-Si alloy was discussed.
研究了功率超声对铅锡合金凝固过程的影响，分析了其影响机制。
The effect of power ultrasound on solidification process of Pb-Sn alloy is investigated, and its mechanism is also analyzed.
目的探讨低功率超声辐射血管内微泡剂对恶性肿瘤血管的临床生物疗效。
Objective to explore the clinical and biological effects induced with low power ultrasound radiating CO_2 micro-bubble into the vessel.
介绍了一种新型智能化功率超声电源的原理、总体结构和软硬件设计及其特点。
The principles, design method and characteristics of a novel intelligent power ultrasonic power supply are presented.
最后，介绍了功率超声处理系统中超声功率发生器和换能振动系统等关键技术。
The key technologies of the power ultrasonic processing system, including ultrasonic power generator and vibration sys-tem, are introduced in the end.
研究了复合场(功率超声场和旋转电磁场复合)对A356合金凝固行为的影响。
The study was carried out to investigate the effect of compound field which is a combination of electromagnetic field and power ultrasonic field on solidification process of A356 alloy.
金属凝固过程中施加功率超声可以有效地改善铸锭凝固组织，提高材料特性和机械性能。
Treating aluminum melt with power ultrasonic can improve solidification structure and mechanical properties of metals obviously.
本文综述了检测超声和功率超声在高分子检测，高分子加工，高分子化学方面应用的最新进展。
This paper discussed the recent development of the applications of diagnostic ultrasonics and power ultrasonics in polymer inspection and measurement, polymer processing and polymer chemistry.
功率超声技术在国民经济各部门的日益广泛应用，越来越需要一种通用型智能化大功率超声电源。
With the increasingly wide use of power ultrasonic technology in many areas of national economy, a new type of general high-power ultrasonic power supply is urgently required.
其中靶向微泡对比剂经静脉注射可到达特定靶区，低功率超声作用下可提高局部组织显影的分辨率。
Targeted micro-bubble contrast agent can reach a specific target via intravenous injection, and improve the resolution of local tissues under the action of low power ultrasound imaging.
它能自动跟踪功率超声发生器的谐振频率，同时还可根据需要自动调节输出功率，并具备显示报警功能。
This power supply can automatically trace the resonant frequency of an ultrasonic generator, automatically adjust its power output according to needs, and has an alarm display function.
主要介绍一种大功率超声波逆变电源装置的主电路、控制电路、驱动与保护电路的设计，并给出实验结果。
This paper introduces the design of high power supersonic inverting power supply, including main circuit, controlling circuit, driving and protecting circuits, and gives experimental results.
低功率超声加载于微生物的发酵过程中，不仅加速细胞的生长，同时也可以促进有益次生代谢产物的产率。
Owning to this effect on fermentation, it can promote the cell growth, at the same time, can accelerate the secondary metabolite biosynthesize.
分析了功率超声波对电化学抛光过程的促进作用及电流密度对抛光效果的影响，获得了较为合理的工艺参数。
The promotion effect of intensity ultrasonic wave on electropolishing process and the influence of ultrasonic wave on polishing quality were analyzed, and better processing parameters were obtained.
分析了功率超声波对电化学抛光过程的促进作用及电流密度对抛光效果的影响，获得了较为合理的工艺参数。
The promotion effect of intensity ultrasonic wave on electropolishing process and the influence of ultrasonic wave on polishing quality were analyzed, and better processing parameters were obtained.
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