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压电器件
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  piezoelectric devices
    This power supply is characterized by making the output of piezoelectric actuator to be controlled automatically and the range of the output is wide,so that it is suitable to the piezoelectric devices based on the principle of anti piezoelectric effect as well as the application field in the aim of static displacement.
    该电源具有易于实现压电致动器输出自动控制和输出范围大的特点,适宜逆压电效应为基本原理的压电器件在以静态位移输出为主要目的的场合应用。
短句来源
    The development of piezoelectric devices and their applications depends on the renewing of piezoelectric materials and improvement of performance.
    压电器件及其应用的发展,取决于压电材料种类的更新和性能的提高。
短句来源
    With the appearance of new materials and new techniques, the applications of piezoelectric devices are changed with each passing day.
    随着新工艺和新材料的出现,压电器件的应用也日新月异。
短句来源
    Three pairs of frequencies can be obtained as measuring the admittance circle of a piezoelectric crystal. The vibration modes and frequency characters of sonic motor, transducers and piezoelectric devices can been analyzed by making use of these frequencies.
    测量压电晶体的导纳圆可以得到3对频率,用这些频率可分析超声马达、换能器以及压电器件的振动模态及其频率特征。
短句来源
    Experiments show that the driving power is suitable for the piezoelectric miropump and other small piezoelectric devices based on the principle of anti-piezoelectric effect in dynamic application.
    实验表明,驱动电源能满足压电微型泵的使用要求,也适用于以逆压电效应为基本原理的微小压电器件的动态应用。
短句来源
  “压电器件”译为未确定词的双语例句
    Since the Mile brothers discovered the piezoelectricity in 1880,the equipments of piezoelectricity have already been used in the sonar, ultrasonic, sensor technique and new type motion machine etc.
    自1880年居里兄弟发现晶体的压电效应以来,压电器件已在水声、超声、传感技术及新型作动器等领域得到了广泛的应用。
短句来源
    With the development of the Science, the higher level has been requested in the fields of aviation and optical engineering etc.
    随着科学技术的发展,航空航天、光学精密工程等新技术领域对压电器件的特性要求也越来越高。
短句来源
    ZnO thin film is used widely and effectively in the fields of surface acoustic wave devices, solar cell, gas sensors, varistors and so on because of its excellent piezoelectrical performance.
    ZnO薄膜以其优良的压电性能、透明导电性能等使其在太阳能电池、压电器件、表面声波器件、气敏元件等诸多领域得到广泛应用。
短句来源
    The emphasis are put on the chemical form-ulaes, performence parameters and potential applications of piezoelectric ceramic materials used for high power transducers, SAW devices, gyroscopes and filters.
    重点叙述大功率换能器、声表面波、压电陀螺及陶瓷滤波器等压电器件用的高稳定性压电陶瓷的化学组成、性能指标及其应用前景。
短句来源
    In order to realize the co-sintering with Ag/Pd electrodes in multilayer devices, PZNPZT piezoelectric ceramics were prepared by a conventional technique in the sintering temperature range from 1100℃ to 1140℃ and their piezoelectric and dielectric properties were carefully studied. The results show that soaking time is the most important factor concerning with piezoelectric and dielectric properties, d33 increases from 420× 10-12C/N to 560x 10-12C/N and T33 increases from 2100 to 2900 with the increase of soaking time.
    在多层压电器件的研制过程中,为实现压电陶瓷和Ag/Pd内电极的共烧结,本文对中温1100~1140℃范围烧成的PZN-PZ-PT系压电陶瓷的电性能进行了研究,结果表明,保温时间对该组成的压电介电性能有重要的影响,随保温时间的延长,d33从420×10-12C/N增加到 560×10-12C/N, T33从 2180增加到 2900。
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  piezoelectric devices
Various piezoelectric devices, which form an inseparable part in the progress of modern communication devices, television, radars, and several kinds of defence technology are being produced by the thousands in developed countries all over the world.
      
Analysis of the insulating, piezoelectric, and mechanical properties of the samples demonstrates that there is a group of solid solutions that are promising materials for high-temperature piezoelectric devices operating in the medium-frequency band.
      
Simulating the response of piezoelectric devices requires solving coupled electrical and mechanical partial differential equations.
      
A shape-memory-alloy actuator which memorizes the linear shape was used to realize a driving amount larger than those of electrostatic actuators and piezoelectric devices.
      
The films thus produced show a step forward in developing piezoelectric devices using more economic routes.
      
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  piezoelectric device
The focusing of the microbeads is done automatically by moving the objective with a piezoelectric device mounted on the nosepiece of the microscope.
      
For better penetration of elastic cell membranes, a simple piezoelectric device is described.
      
The advantages of the ultrasonic linear motor are high resolution, no magnetic noise generation due to the DC characteristics of the piezoelectric device, high servo rigidity, high holding torque and none additional brake system.
      
This paper describes our design solution with a simple fabrication process for a water-immersible piezoelectric device, which separates the bottom electrode from the top electrode by having a narrow ditch covered with PZT film.
      
A piezoelectric device for measuring the pressures in weak air shock waves due to blasting
      
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The state-of-the-arts of high stbability piezoelectric ceramic materials are reviewed in this artical.The emphasis are put on the chemical form-ulaes, performence parameters and potential applications of piezoelectric ceramic materials used for high power transducers, SAW devices, gyroscopes and filters.

本文概要介绍了当前国内外对高稳定性压电陶瓷材料的研究动向。重点叙述大功率换能器、声表面波、压电陀螺及陶瓷滤波器等压电器件用的高稳定性压电陶瓷的化学组成、性能指标及其应用前景。

A bidirectional power supply for piezoelectric actuator was proposed and studied,which can apply high bidirectional voltage to the piezoelectric actuator continuously from negtive to positive.This power supply is characterized by making the output of piezoelectric actuator to be controlled automatically and the range of the output is wide,so that it is suitable to the piezoelectric devices based on the principle of anti piezoelectric effect as...

A bidirectional power supply for piezoelectric actuator was proposed and studied,which can apply high bidirectional voltage to the piezoelectric actuator continuously from negtive to positive.This power supply is characterized by making the output of piezoelectric actuator to be controlled automatically and the range of the output is wide,so that it is suitable to the piezoelectric devices based on the principle of anti piezoelectric effect as well as the application field in the aim of static displacement.The operational principle of the power supply and its circuit are described and analyzed in this paper.The theoretical estimation formulas are derived and the experimental results and applications are given.

提出并研究了一种压电致动器电源,它可以实现对压电致动器的从负电压到正电压的双向电压作用,且作用电压可以很高并可不间断连续作用。该电源具有易于实现压电致动器输出自动控制和输出范围大的特点,适宜逆压电效应为基本原理的压电器件在以静态位移输出为主要目的的场合应用。文中论述和分析了这种电源的工作原理和电路实现方法,推导出理论计算公式,并给出了实验结论与应用情况。

The development of piezoelectric devices and their applications depends on the renewing of piezoelectric materials and improvement of performance. With the appearance of new materials and new techniques, the applications of piezoelectric devices are changed with each passing day. This paper introduces some new applications and techniques of piezoelectric materials.

压电器件及其应用的发展,取决于压电材料种类的更新和性能的提高。随着新工艺和新材料的出现,压电器件的应用也日新月异。文章介绍了压电材料近来的一些新应用及新工艺。

 
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