1. Simultaneously with the flash, a piezoelectric plate behind the film launches a sonic pulse into the back of the film emulsion.

2. A piezoelectric element is appressed with the impacting object.

3. The circuit uses a three terminal piezoelectric transducer.

4. Piezoelectric ceramic is used here as the sensing element.

5. This structure can suppress self-heating of the piezoelectric resonator.

6. It makes contact with the piezoelectric material under it and generates anywhere from two to 20 watts of electricity, depending on the impact of the patrons' feet.

7. After introducing piezoelectric coupling to the plunge degree of freedom (DOF) in addition to two structural damping coefficients and considering a resistive load in the electrical domain, ...

8. The wave propagation along axis direction in piezoelectric hollow cylinder is studied.

9. In this thesis, we analyze and design the piezoelectric device by finite element simulation.

10. The paper introduces a new type piezoelectric accelerometer with built-in microelectronics change amplifier.

11. A new method using piezoelectric material (PZT) and artificial neural network control was put forward to repair in time by online monitoring the health state of cable suspension bridge.

12. The sandwich piezoelectric transducer is selected after the capability of the two types transducer is analyzed, and then the structure of transducer is designed.

13. PMS - PNN - PZT piezoelectric thick film ceramic material was prepared by the screen printing method.

14. The frequency counter has ben applied successfully to a piezoelectric crystal chemical sensor for determining SO_2 and organic vapours.

15. An active and passive hybrid damping control manner with lower voltage is proposed through both multiple piezoelectric patches and constrained damping layer for suppressing structural vibration.

16. OBJECTIVE To study the principle of dynamic response frequency in piezoelectric coagulation and(establish) a new method for endpoint determination of the analysis.

17. To bone tissues, the normal physiological activity can lead to local deformation (strain), micro-damage, piezoelectric potentials, fluid flowing in bone canaliculus and streaming potentials.

18. Each stalk will contain alternating layers of electrodes and ceramic discs made from piezoelectric material, which generates a current when put under pressure.

19. The method is significant to automatic identifying and tracking ultrasonic power supply, and dynamic matching piezoelectric transducer resonant frequency.

20. The drive mechanism, which uses the sharp deformation of piezoelectric element to produce inertia impact force, is called as piezoelectric inertial impact actuator.

21. This paper describes the principle, construction and experiments of the standard apparatus for measuring underwater sound pressure with piezoelectric dual-projector by null method in low-frequencies.

22. The much interference resulted in, the less response change of the piezoelectric crystal sensor of interaction.

23. This paper mainly described the principle, design basis and technical keys about the CW-71 piezoelectric angular shift gyroscope constructed with angular rate gyroscope.

24. The influences of heating rate and soaking time on piezoelectric and dielectric properties were also studied.

25. Objective:The aim of this report was to introduce the technique of osteotome maxillary sinus floor elevation for implantation by piezoelectric osteotomy.

26. The theory and application of vibration measurement by using piezoelectric accelerometer, charge amplifier and dynamic signal analyzerare introduced.

27. Background currents may be due to charge stored in the material (dielectric absorption), static or triboelectric charge, or piezoelectric effects.

28. The shear probe is a basic and essential tool for measurements of ocean turbulence and it is generally mounted with a piezoelectric crystal as a sensor.

29. In order to research impact of storage on performance change of piezoelectric ceramics, the accelerated aging test has been conducted for 176 days.

30. The UV-16 is a 2-channel charge amplifier that is compatible with the input of piezoelectric accelerometers and accelerometers with built-in preamplifier.

31. On basis of the insect thorax-wing structure, a(flapping-wing) system consisting of the bimorph piezoelectric actuator, compliant mechanism, and bionic wing was presented.

32. Novel relaxor ferroelectric single crystal lead magnesium niobate-lead titanate(PMNT)has been found to exhibit excellent piezoelectric properties near the morphotropic phase boundary(MPB).

33. According to the calibration principle of electrostatic actuator and the mechanics of piezoelectric ceramic, this thesis developed auto-calibration method of hydrophone.

34. The experiment came into use single light path critical angle method, output signals were detected by four-quadrant receiver, micro-displacement drive element were piezoelectric ceramics.

35. According to the circuit of ultrasonic wire bonding experiment platform, a piezoelectric transducer(PZT) driver signal acquisition circuit was designed.

36. An uniform distribution, isotropic thin plate, on which both surface there are discrete distribution piezoelectric actuators, is considered.

36. try its best to collect and make good sentences.

37. This paper describes principles, configurations, circuitry and properties of disk and bimorph piezoelectric linear data accelerometers.

38. In order to measure and study the electricity generating performance of the piezoelectric ceramics (PEC), a measuring system for the electricity generating capacity of the PEC was developed.

39. In order to get the best sensitivity, the piezoelectric sensor should be arranged as near as possible to the nodal surface of vibration system.

40. Based on analysis of some methods of signal detection of resonant diaphragm piezoelectric ice sensor, this paper proposes an open-loop frequency scan method of the signal detection.

41. The evolution of elastic properties is connected with the secondary piezoelectric effect.

42. This paper provides with a general solution for a hollow cylinder made of a transversely isotropic and functionally graded piezoelectric material, polarized in the radial direction.

43. A modulated laser interferometer used for piezoelectric characteristic measurement of the piezoelectric ceramic is discussed.

44. The acoustic detector in the armband contains five piezoelectric cantilevers, each weighted to respond to certain bands of sound frequencies.

45. There is at least one piezoelectric element incorporated in the package or device and the piezoelectric element generates a source of voltage when it is activated.

46. The charge potential is then applied to a second electrode (113) of the piezoelectric element (102).

47. This paper addresses the theory of four - beam piezoelectric accelerometer, coupled - field analysis, and application of piezoelectric accelerometer.

48. The pattern region of each layer constituting at least the piezoelectric element (300) is covered by an insulation membrane (100) made of inorganic insulation material.

49. Investigation of Bias - Voltage Induced Piezoelectric Effects in PMN - PT Ceramics.

50. Based on the bimorph piezoelectric vibrator, a piezoelectric pump with two active valves was designed and manufactured.

51. Offset currents can also be generated externally from such sources as triboelectric and piezoelectric effects.

52. This paper reports a kind of two-dimensional combined vector hydrophone of resonant-column type in which a piezoelectric accelerometer are used as are sensing element.

53. Objective To discuss the effect of temperature on the frequency shift of piezoelectric quartz crystal biosensor.

54. To solve these problems, the properties of Lamb wave excited by interdigital transducer in the piezoelectric substrate covered by liquid were studied based on its piezoelectricity and anisotropy.

55. According to piezoelectric effects, the principle and the structure of self-generating of mechanic energy are also introduced.

56. The working principle of the actuator was analyzed and the dynamic characteristic of the piezoelectric bimorph was studied by the FEM modal analysis.

57. The piezoelectric effect manifests itself as a transfer of electric to mechanical energy and vice - versa.

58. Ferroelectric materials are one kind of important functional materials and has been widely used as dielectric materials for capacity , piezoelectric and pyroelectric materials.

59. After given a historical review of piezoelectrics, the paper described the development of piezoelectric materials and their various applications at home and abroad, especially in our institute.

60. Currently, it is a hotspot to use piezoelectric material as drivers and sensors in intelligent material.

61. Piezoelectric inertial impact mechanism, which exerts continuous movement by using rapid formation of piezo body, has an important application in precision displacement field.

62. In order to attain a high level of vibration control, piezoelectric patches are placed on the maximum mode strain locations of the structure.

63. A computer controlled intelligent measurement and data acquisition system for piezoelectric crystal sensor array was studied.

64. This study investigates electrical transient responses of a piezoelectric transducer and their major characteristics such as maximum voltage, minimum voltage and peak-to-peak voltage under impact.

65. A novel valve less piezoelectric pump with Cluster of Unsymmetrical Hump Structure ( CUHS ) is presented.

66. Because of these advantages laminated orthotropic piezoelectric composite materials are expected to play a more important rule in self-diagnosis and self-adaption structures.

67. The groundwork is established for implementing space-sharing piezoelectric self-sensing in vibration reduction and motion control.

68. The mechanical energy existing in the ambient environment with lower frequency can be effectively extracted by using spiral-shaped piezoelectric bimorph power harvesters.

69. The method of HBV blood sample detected by piezoelectric biosensor is developed.

70. A split electrode piezoelectric composite suspension, based on the width bending mode, was designed for the dual stage servo system of rigid disk drive.

71. The influence of the combined modes of piezoelectric ceramics on eigenfrequency of a linear beam is analyzed with the help of ANSYS software, with digital computation value presented.

72. Thedisadvantages are more efficient than the piezoelectric transducer is low, the price of your raw material nickel plate.

73. The results expatiate that eigenfrequency influences of polar directions of piezoelectric ceramics can be neglected.

74. Finally, a two - wired piezoelectric ceramic driving power is designed.

75. Development of piezoelectric AE sensors and their calibration are presented. The problems of aperture effect and its influence on design, performance and calibration of AE sensors are discussed.

76. The piezoelectric property of langasite optical crystal is introduced under the load of high repetition rate and high voltage.

77. For the piezoelectric crystal, not only a mechanical source distribution at the surface, but an electrical source distribution also can excite the elastic wave fields.

78. On the other hand, a high remanent polarization indicates a strong ferroelectricity, which enhances piezoelectric properties.

79. Piezoelectric ceramics transformer (PECT), with multilayer heterogeneity lamination, is a kind of new electronic parts and components.

80. Conclusion:EBPH-P1000 piezoelectric lithotriptor has the advantage that stone particles are very small and the damage to kidney is little, it's worth popularizing in clinic.

81. A new piezoelectric ceramic micro - actuator for high - density hard disk drives is proposed and developed.

82. A quartz piezoelectric transducer used for measuring stress induced by explosion in hard rock is described.

83. Disadvantages because of applying piezoelectric wafers in piezoelectrics self-diagnosed system can be got rid of by piezoelectrics smart layer.

84. Near the transition temperature, a thermal hysteresis was found in dielectric, pyroelectric and piezoelectric measurements.

85. A kind of piezoelectric motor with nano-step, based on the principle of inchworm motion, is introduced in this paper, then a newly developed driving power is presented in detail.

86. With piezoelectric crystal inductor, the sensitivity of stopping or missing pick is so high that instant stopping can be effected.

87. The random profile graph experiment has demonstrated the waveform measured by the piezoelectric pickup that can really reproduce the profile of roughness surface.

88. The piezoelectric transducer and the variable amplitude bar are designed by four-terminal network method.

89. Accordingly, selecting piezoelectric material to control vibration is a good method.

90. The paper has introduced the application of piezoelectric oscillation gyro in four - rotor flying robot.

91. Disturbance source, which is one of the key components in the droplets generator, is provided by piezoelectric oscillator.

92. When E3 is an alternating field, a steady asymmetrical piezoelectric loop is observed.

93. The quaternary system piezoelectric ceramic with good properties and suitable for stationary wave ultrasonic motor is prepared.

94. As a result, the mathematical model of piezoelectric actuated micro - droplet jetting process is built.

95. A new type of zine oxide(ZnO)thin film devices can be realized utilizing piezoelectric and surface micromachine technology.

96. RAINBOW (Reduced And Internally Biased Oxide Wafer)piezoelectric ceramics are a new type of stress-biased, unreduced -reduced composite ceramics, which have a special arc structure.

96. Wish you will love and make progress everyday!

97. Based on positive position feedback, a method for active vibration control of a steel pylon structure using piezoelectric sensors and actuators, is proposed.

98. The piezoelectric device, when in use, agitates the surface of the water and the water can be evaporated at a low energy cost.

99. The present invention provides a piezoelectric device capable of being miniaturized and a method for manufacturing the same.

100. The sensor uses new solid material as transmission media and uses new piezoelectric material as sensitive unit, which raises the sensitivity.

101. In molding process the maximum value of acceleration of the molding table has been tested by means of piezoelectric accelerometer, electrical charge amplifier and peak volt meter.

102. One other embodiment has one piezoelectric element, one resistance part connected to the piezoelectric element and one rod normally fixed by means of static friction force.

103. Finally, for the hysteresis and creep nonlinearities of the piezoelectric component and time variation factors of the system, a single nerve-cell adaptive PSD intelligent control method was presented.

104. The high energy pulse laser was used to radiate lead zirconate titanate (PZT) piezoelectric films. The effect of the laser thermal shock on the properties of the films was investigated.

105. Therefore, piezoelectric bulk acoustic wave biosensor hemoculture system is a rapid, simple, accurate and cheap, hence it could be used widely in most hospitals.

106. When an electric field is applied to the electrodes the piezoelectric material translates this into a mechanical strain along its radial axis, causing it to vibrate.

107. Planar array and monoblock type pressure gauges were designed and prepared by piezoelectric ceramics, which were used to measure pressure of explosive blast successfully.

108. The invention provides a piezoelectric crystal gas sensor and preparation method thereof, belonging to the sensor preparation technical field.

109. The invention provides a liquid ejecting head, a liquid ejecting apparatus, and an actuator which improve displacement properties of a piezoelectric element.

110. A first electrode (112) of the piezoelectric element (102) is set to a predetermined medium potential between the ground potential and the charge potential.

111. Requirements for the principals and development of precise light beam steering and focus equipments which use piezoelectric or voice coil actuators.

112. This indicated that the appropriate frit can improve the piezoelectric property of ceramics in right content.

113. Piezoelectric resonator, production method thereof, filter, duplexer, and communication device.

114. The use of piezoelectric ceramics to force into electrical energy conversion features, you can create a piezoelectric igniter, mobile X optical power, shells detonating device.

115. The problem of achieving stable reliability analysis of piezoelectric trusses with random parameters was studied on the basis of the finite element analysis method and stable secular equation.

116. This paper investigates design, construction and performance tests of a thin disc piezoelectric clutch mechanism, including a driving frictional member and a driven frictional member.

117. This paper reports on a kind of vector hydrophone of resonant-column type in which a piezoelectric bilaminar are used as the sensing element.

118. This invention provides a piezoelectric film, a piezoelectric film element, and a liquid delivery head and a liquid delivery apparatus using the piezoelectric film element.

119. Selecting piezoelectric material to control vibration is a good method.

120. The three-dimensional state equation was derived for a cylindrically orthotropic piezoelectric body with radial polarization.

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