Ultrasonic unit

By using the mutual inductance equivalent model and equivalent circuit of ultrasonic vibration unit, eight primary and secondary matching circuits are put forward to make the transmission performance better.

为使传输性能最佳，利用互感等效模型和超声振动单元的等效电路为基础分析系统的补偿电路。

Clinical efficacy of one-visit versus two-visit endodontic treatment with nickel-titanium rotary instruments and ultrasonic irrigation unit Now, our dominating products are: LED curing light, Apex locator, series of Dental adjust equipments.

镍钛机动器械与根管超声仪对一次和多次根管治疗疗效的影响目前，牙翌牙科器械主要产品有：LED光固化机、管治疗仪、科正畸系列仪器。

The ultrasonic probe is connected to a mobile, PC based ultrasonic unit which incorporates all the hardware and software required for C scan data acquisition and imaging.

该超声波探测器与一个可移动的计算机控制单元连接，该计算机集所有C-扫描数据、图像获取所需要的硬件、软件系统于一体。

This Paper introduces the principle, question and step of the program E+ H's FMU series ultrasonic material level detection unit application.

介绍了德国E+H公司的FMU系列超声波料位计的基本原理及其在实际应用中遇到的问题和采取的措施。

Question and step of the ultrasonic material level detection unit application

超声波料位计应用中的问题与措施

Weld Auto Ultrasonic Detection Probe Support Unit of New Osculatory Method

新型接触法焊缝超声波自动探伤探头支撑机构

Model RST-300 Ultrasonic Inspection Unit in ERW Mill

ERW机组RST&300型超声波探伤装置

THE NONINVASIVE TESTING METHOD OF X-RAY DIAGNOSTIC UNIT Lacation of normal trouble of type-B ultrasonic diagnostic unit and its trouble-shooting

X线诊断机的非侵入式检测方法检定医用B型超声诊断仪常见故障及排除方法

Here introduced are the imaging principle, property and software of portable ultrasonic P-scan unit type NY-102. Moreover, the experimental result is given.

主要介绍NY-102便携式超声波P扫描成象仪的成象原理、工作特点及其功能实现的计算机程序设计方法，并给出了实验测试结果。

The hardware design includes the selection of ultrasonic transducer and sampling unit of environmental temperature, ultrasonic emitting and driving unit, receiving and back wave testing unit, main controlling unit and communication unit.

系统的硬件设计包括超声波传感器的选择以及环境温度采集单元、超声波发射及驱动单元、超声波接收及回波检测单元、主要控制单元和通信单元；

Sixteen fresh extracted human teeth, which had been paired by their anatomic sites, were divided into two groups at random. The root canals of the teeth in Group 1 were prepared with an ultrasonic unit and those of Group 2 with hand instruments.

新鲜离体的同体同名牙8对，随机分为2组，1组用超声器械进行根管预备，另1组用手持器械进行根管预备。

It introduces the structure and principle of the ultrasonic vibration unit, analyzes how to choose the work frequency, and proves that it is valid and feasible by cow ovum cutting experiment.

对此系统的超声振动单元结构及原理进行了分析，阐明了应用中的关键技术点&频率选择，并通过实验验证了超声振动对于减小细胞在切剖中的变形和损伤是非常有效的。

For self-made fittings, the correct use of an ultrasonic inspection unit will play an im-portant role in assuring the inspection quality.

对于自制配件，正确使用探伤装置对保证探伤质量能起到一定的作用。

The essential of well dynamic monitoring in the oilfield is to accurately measure the flowrate and watercut in each production horizon. Thus an ultrasonic measuring unit of 3 phase flow is developed.

油田油井动态监测的实质是准确地测量各生产层位的流量和含水率，为此研制了超声波三相流量测试仪。

Described are the techniques of ultrasonic signal analysis and real-time defect imaging of NY-101 ultrasonic imaging unit.

介绍NY-101超声成象仪中超声信号的计算机处理、缺陷图象实时显示和后处理的方法。

The ultrasonic ranging unit is used to measure the distance between the object and the infrared detector to compensate the influence of measuring distance.

超声测距单元用来检测红外传感器与被检测对象之间的距离，以补偿测量距离的影响。