超声波

Based on the requirements for control system of shadow mask cleaning machine, this article presents an automatic control system which is composed of C200H programmable controller, Fuji frequency converter made in Japan, OMRON-E5AX temperature regulator, ultrasonic generator , electrostatic precipitator, etc.

针对荫罩清洗机控制系统的要求，介绍了采用 C200H 型可编程序控制器、日本富士变频器、OMRO N－ E5A X温度控制器、超声波发生器、静电除尘等装置组成的适用于实现生产线的自动控制系

Throws the increment in the sodium hypochlorite is 10%,曝气 the time is 1 hour its processing efficiency reaches as high as 98.10%, simultaneously may know: The ultrasonic wave degeneration dicarboxylic acid effect is not ideal

在次氯酸钠投加量为10％，曝气时间为1小时其处理效率高达98.10％，同时可以得知：超声波降解对苯二甲酸效果不理想

Throws the increment in the sodium hypochlorite is 10%, the time hour its processing efficiency is high 98.10%, simultaneously may know: The ultrasonic wave degeneration dicarboxylic acid effect is not ideal.

在次氯酸钠投加量为10％，曝气时间为1小时其处理效率高达98.10％，同时可以得知：超声波降解对苯二甲酸效果不理想

In the sixth chapter, experiment result is made according the recommendation of A.G.

论文第六章对超声波流量计样机进行了试验研究，检验了上述技术的应用可行性。

Destruction of carbon disulfide in aqueous solution by sonochemical oxidation.

超声波，电场和光催化协同降解有机污染物的研究现状。

Such weapons have read the U.S. Defense Department security experts said that the ultrasonic weapons of uniforms and the expulsion of suicide bomb hidden in the shelter where the terrorists really effective.

看过这种武器的美国国防部安全专家说，超声波武器对制服自杀炸弹和驱逐隐藏在掩蔽所里的恐怖分子真是太有效了。

One-pot three component condensation reactions of aromatic aldehydes, malononitrile, and barbituric acid were described for the preparation of a series of pyrano[2,3-d]pyrimidine derivatives under ultrasonic irradiation in aqueous media without catalyst.

报道了在超声波辐射下，水相中无催化剂下通过芳香醛与丙二腈、巴比妥酸的一锅反应，合成了一系列吡喃并[2，3-d]嘧啶衍生物。

A new kind of driving circuit is designed, it realizes driving and frequency tracking of USM.

本文研究并设计了一种新型的驱动电路，用以实现超声波电机的驱动和频率的自动跟踪。

When selecting different resistance and inductance, variable frequency control of USM can be realized.

电路中选择不同的电阻和电感值可以实现调频，即对超声波电机的变频控制。

Our experimental results have proven that the circuits can drive the USM to work well convenitently and stably.

实验结果表明，研制的电路性能稳定，能方便地驱动超声波马达，并良好运转。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。