• 介绍了电磁超声激光超声超声成像新技术

    The electromagnetic acoustic technique, laser ultrasonic technique, ultrasonic imaging and so on are also introduced.

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  • 检测微弱激光超声,要求系统具有较高灵敏度

    Laser ultrasonic signal is so weak that it can be detected only by high sensitivity system.

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  • 文中给出激光超声脉冲及其金属中的回波波形曲线;

    The wave charts of laser ultrasonic pulse and its echoes in metal plate are shown.

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  • 介绍了激光超声机理、光激超声波信号检测方法及其应用

    Principle and testing method of laser generated ultrasonic and its applications are introduced.

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  • 采用激光超声技术扩散焊接件界面联结质量进行非接触检测

    Laser ultrasonic technique is used for contactless inspection of diffusion bonded steel parts.

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  • 介绍激光超声表面产生机理、裂纹检测方法及其应用

    The principles of laser generated surface acoustic waves (SAWs), the method of micro cracks detection and the applications are proposed.

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  • 采用传感器测试激光超声表面兰姆纵波获得了很好的波形

    The sensor was applied to detect several kinds of laser ultrasonic, such as surface acoustic wave, Lamb wave and longitudinal wave, well-defined waveforms were obtained.

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  • 激光超声技术开发应用机械工程表面物理等领域产生深远影响

    The development and application of the laser ultrasound technology will make a profound effect in mechanical engineering and surface physics.

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  • 本文介绍了压电薄膜检测激光超声系统对CVD金刚石声速测量原理方法

    The principle and method of measuring the acoustic speed CVD diamond film with piezoelectric film detecting laser ultrasonic system are presented.

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  • 激光超声测得铝块厚度实际好地吻合同时测出系统最小探测位移

    Thickness of the aluminium plate is measured with laser ultrasounds. It tallies quite well with the real value. The minimum displacement which can be detected by the system is also meas...

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  • 另外本文从虚拟仪器概念出发,基于USB2.0提出并设计了激光超声系统的信号源

    In addition, a laser ultrasonic signal generator is designed based on USB2.0 in the conception of virtual instrument.

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  • 实验结果不仅一定程度上说明效果同时表明激光超声检测换能器响应可行性

    The results not only account for the effects of the two types of backing material, but also indicate the feasibility of measuring the transducer response using laser ultrasound.

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  • 激光超声检测技术中的两个应用方面,即激光超声技术激光扫描声学显微镜做了详细的阐述。

    Two applications of laser, in the ultrasonic detection technique, laser ultrasonic technology and scanning laser acoustic microscope, are explored in detail.

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  • 激光超声方法自发自收脉冲反射实验测定了所制作换能器频率响应比较频谱分析结果

    The frequency response of the transducers is measured experimentally using laser ultrasound and a pulse echo reflecting method. The spectral analysis results are compared and analyzed.

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  • 热像检查系统附加超声检查并且改动成以允许激光超声检查兼容距离处对目标材料热像检查。

    The thermographic inspection system is attached to ultrasonic inspection and modified to enable thermographic inspection of target materials at distances compatible with laser ultrasonic inspection.

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  • 获得材料瞬态温度场分布集中于一个非常区域结论激光加工激光超声产生提供理论基础

    According to the conclusion of the distribution concentrating a very small area, a theoretical basis for laser processing and laser ultrasonic generation was es...

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  • 为了有效检测铝合金材料上残余应力分布,研究激光超声技术检测铝合金材料上残余应力分布的方法

    In order to effectively determine the residual-stress profile of an aluminum alloy, the measuring method was studied by the laser ultrasonic technique.

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  • 本文提出一种利用脉冲激光产生可重复的宽带标准声源超声换能器速度灵敏度进行标定方法激光超声法。

    A new method for calibration of velocity sensitivity of ultrasonic transducers with a wide band standard acoustic source generated by a pulsed laser is proposed.

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  • 首先讨论了机制下脉冲激光超声的激发原理利用有限元数值模拟激光热弹机制下激发板状材料中的超声导波。

    The laser-generated ultrasound theory in thermo-elastic mechanism is discussed first. Then laser-generated ultrasonic in the plate material is simulated numerically by using the finite element method.

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  • 多年来气体标准烟火使用激光超声猫头鹰标本无线电控制模型飞机这一切尝试着将跑道上吓跑

    Over the years, everything from gas canons, pyrotechnics, lasers, ultrasound, stuffed owls and radio-controlled model aircraft have been tried to scare birds away from runways.

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  • 或者超声代替激光

    Or perhaps, ultrasound can be used instead of lasers.

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  • 研究了超声激光联合作用四氯化碳乙二醇样品散射光谱变化实验结果进行了讨论。

    Under the combination effects of ultrasonic and laser, the changes of scatter spectrum of carbon tetrachloride and glycol samples are studied, and the results of the experiments are discussed.

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  • 集团核心业务领域覆盖全面,包括“车削”、“铣削”、“超声振动加工”、“激光加工技术”机床太阳跟踪系统而设计的自动化软件解决方案

    The core business areas of "Turning", "Milling", "Ultrasonic" and "Laser" are complemented by automation and software solutions for machine tools and solar tracking systems.

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  • 结论口服药物外加半导体激光联合超声电导仪辅助治疗输卵管继发性不孕一种好的方法

    Conclusions The method of taking oral medicine combined with semiconductor laser and ultrasound conductimeter is the better way to cure the tubal infertility.

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  • 结论高频超声作为激光治疗儿童面部海绵状血管瘤术前定位术后疗效判断的手段。

    Conclusions The high frequency ultrasound is helpful for laser treatment of facial subcutaneous cavernous hemangiomas in preoperative location and postoperative assessment.

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  • 目的应用高频超声观察激光治疗儿童面部海绵状血管瘤的疗效。

    Objective To apply high frequency ultrasound to laser treatment of children facial subcutaneous cavernous hemangiomas.

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  • 系统可以进一步改造,将激光入射光纤超声光纤接收器集成一个复合探头便于临床应用

    The ultrasound transducer, incident laser fiber and probe fiber can be integrated into a compounded detector, which can be implemented in clinic application.

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  • 目的探讨体外超声强度激光血管外照射综合治疗冠心病临床疗效揭示机理

    Objective: To observe the effects of the external ultrasound and extravascular low-power laser irradiation therapy in treating coronary heart disease; To reveal its mechanism.

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  • 激光脉冲尖峰超声调制一些规律打孔影响进行了研究。

    The regulation for ultrasonic modulation of laser pulse spikes and the influence of modulation on drilling are studied.

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  • 目的研究超声药物离子导入结合半导体激光治疗慢性盆腔炎效果

    ObjectiveTo study the effect of ultrasound transdermal drug delivery combining with semiconductor laser on chronic pelvic inflammation disease(CPID).

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