超声波

In chapter four, the transmission mechanism of non-contact ultrasonic driving based on traveling wave with cylindrical vibrator is analyzed systematically.

并根据电路三相电路和三相负载的连接原理，推广到圆筒型非接触超声波驱动器的四相电路和四相负载的连接方法，提出了星形—星形接法和四边形—星形接法。

Image capture ; dactylogram image transducer ; photology ; semiconductor ; ultrasonic

图像采集；指纹图像传感器；光学；半导体；超声波

While new methods are under developing, photology ,semiconductor and ultrasonic are still the common methods to implement dactylogram transducers,although every method has the pros and cons.

光学、半导体、超声波3种常用指纹图像传感器各有优势及局限性，同时，更先进的指纹图像传感器亦在研发。

To distinctly find out the relationship between the rigidity of tablet and the ultrasonic speed,laser is emitted to the tablet and then we measure the speed of reflected surface acoustic wave and analyse the experimental data,finally get the tablet rigidity-wave speed curve.

为了清楚地了解片剂的硬度与超声波速度之间的关系，利用激光照射到片剂上，通过测定出反射的声表面波速度，且对实验数据进行分析，从而得出片剂的硬度与声表面波速度之间的关系曲线。

Discussion on different surfactants in ultrasonic cleaning of the decontamination rate down.

探讨用不同的表面活性剂在超声波下清洗羽绒的去污率。

By means of a linear array CCD lightintensity distribution measuring system, via the variation of the frequency and the power of ultrasonic wave, the direction control and the intensity modulation for the laser beam can be carried out. The relation curve between acoustooptic deflexion and modulation measurement is given.

在实验中，应用线阵CCD光强分布测量仪等，通过改变超声波的频率和功率，分别实现了对激光束方向的控制和强度的调制；定量给出了声光偏转量的关系曲线和声光调制测量的关系曲线。

The steps involved are as follows: 1 Clean ultrasonically all component parts with a degreaser in a warm water solution. 2 Rinse with warm water in an ultrasonic bath.

清洗步骤包括如下：1在含有脱脂剂的温水溶液中用超声波清洗所有部件。2在一个超声池内用温水冲洗，再用冷水冲洗。

The steps involved are as follows: 1 Clean ultrasonically all component parts with a degreaser in a warm water solution. 2 Rinse with warm water in an ultrasonic bath. Rinse again in cold water. 3 Put all component parts under black light for inspection of any carbon.

清洗步骤包括如下：1 在含有脱脂剂的温水溶液中用超声波清洗所有部件。2 在一个超声池内用温水冲洗，再用冷水冲洗。3 将所有部件放置在红外线下检查是否有碳。

Ultrasound parameters of calcaneus was measured by ultrasound bone densitometer following investigation exercise modes and durations.

采用超声骨密度仪测试跟骨超声参数，即反映骨密度的超声波衰减系数和反映骨强度的跟骨骨质量指数。

On the background of the new rocket depth charge multifunction fuze, the signal processing circuit of ultrasonic detection receiver is studied. The aim of this dissertation is to improve the performance of the receiver.

本文以火箭深弹新型多作用体制引信为应用背景，主要就引信声近炸模块主动超声波探测接收机信号处理电路进行了研究，目的是提高接收机对回波的处理能力，从而提高引信探测目标能力和近炸精度。

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。