• 由于传动放大作用可以摆动振动产生飞轮实际转动惯量大得多的等效转动惯量。

    The equivalent rotating inertia which is much more than the actual rotating inertia of the flywheel can be generated on the swinging and oscillating end under the driving and the amplifying action.

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  • 激光器射出光束,正有电缆振动膜上。

    He shot light from a laser out the end of the cable onto the diaphragm.

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  • 不同光线透过,相反通过纤维光缆,纳米会将光线反射回去,极有效地振动变成一面镜子即便水流可以通过。

    Instead of letting it pass, the holes would reflect the light back toward the tip of the fibre optic cable, effectively turning the diaphragm into a mirror even as it still allowed water to pass.

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  • 建立发动机气门振动运动微分方程,模型杆支承运动,考虑阻尼较复杂边界条件

    Considering damping and complicated boundary conditions for the valve support movement, the dynamic equation of the valve vibration of engine is found.

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  • 试验结果表明,这种新型减振铣刀不仅可以减少振动噪声而且可以提高表面加工质量刀具寿命。

    The experimental results have shown that the modern vibration-free face-milling cutter can not only reduce vibration and noise but also increase the surface finish quality and tool life.

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  • 本文介绍了用于大型汽轮发电机定子绕组振动测量光纤传感技术目的方法原理结果

    In this paper are presented purpose, method, principle and results of the optical fiber sensing technology used in measuring the vibration of stator end winding for large turbogenerator.

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  • 以及一系有集中质量均匀弹性振动问题

    The vibration of a nonuniform flexible rod connected to a concentrated mass is also solved.

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  • 振动“驻实验对于起振波节还是波,存在不同认识。

    There are different viewpoints about the wave source in the experiment of vibration of string.

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  • 支承系统出发,运用功率参数方法,研究安装柔性基础上设备振动隔离问题

    The problem of vibration isolation for the multi supporting machine installed on flexible foundations was studied by power flow and four end parameters methods.

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  • 针对细胞超声振动切割系统对超声变幅要求,将截面圆柱形阶梯变幅杆的一替换成圆锥形变幅杆构成复合圆锥阶梯形变幅杆。

    By studying ultrasonic amplitude transformers to meet the requirements of an ultrasonic vibration cell cutting system, a new compound cone step type amplitude transformer is constructed.

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  • 研究了脉动内流作用下两支输流管道振动控制问题。

    The independent modal space vibration control of a pinned-pinned pipe conveying pulsating fluid is investigated in this paper .

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  • 分别对均质完整弹性支承桩在垂直谐和力作用下纵向振动特性进行了研究

    Longitudinal vibration of an integral pile in an uniform soil with end bearing boundary or elastic bottom boundary undergoing vertical harmonic load is theoretically investigated.

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  • 针对往复测量信号非平稳时变特点,研究了用小消噪方法提取反映往复泵动力状态振动波形特征。

    With a view to time_varying characteristic of the vibration signal measured on triplex reciprocating pump, an approach on the waveform feature extraction which reflects th...

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  • 本文分析了引起汽轮发电机定子绕组振动原因,以及固有频率试验振动测量意义

    The cause of vibration on the turbogenerator stator end winding is analyzed, and the meaning of natural frequency test and vibration measurement is discussed.

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  • 研究了高速旋转叶片振动实时监测系统定时传感器、传感器脉冲信号采集电路叶片振动信号实时分析处理

    The real time measuring system of high speed rotating blade vibration, tip timing sensor, pulse signal sampling system and analysis processing of blade vibration signal are researched.

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  • 本文利用振动测试记录,具体论证汽轮机排一侧轴承松动导致汽轮机第二临界转速共振强烈共振。

    By analysing the amplitude of the shaft vibration, this article concludes that when the bolts get loose, it will result in resonance at the second critical speed and serious vibration.

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  • 物料的每一个质点在每一个瞬间双向旋转的同时,进行圆周式的振动并且在上、下两受到双向的撞击。

    When the material particles are bidirectional rotation, they're also during circular vibration, and at the same time they're with bidirectional impact.

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  • 然后铣削为对象,建立自由度铣削加工颤振动力学模型,并运用数字仿真技术,对动态过程进行时域仿真研究。

    Based on the establishment of the dynamics model of milling processes with two degrees of freedom, the end-milling processes are simulated in time domain by using numeric simulation technology.

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  • 本文提出一种计算汽轮发电机定子绕组振动固有频率有限元方法

    A finite element method is presented for the calculating natural frequency of turbogenerator stator end windings.

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  • 工程常见四位移为零振动提出一种新的压电式传感器设计方法测量第一阶声辐射模态伴随系数

    With the examples of the pinned-pinned plate, a new piezoelectric sensor design is presented to measure the first adjoint coefficient of radiation mode.

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  • 通过非线性振动中常用里兹-伽辽金,推出了挠度问题一个近似公式,计算结果表明具有较高的精度。

    A new approximate formula for the large deflection problem of compression bar with two ends are simply supported is obtained, by the use of Ritz-Galerkin method.

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  • 这种振动可能拉索及其锚固附近导致疲劳破坏。

    These unanticipated vibrations potentially induce undue fatigue in cables themselves and in anchorages at bridge deck and tower.

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  • 通过观察检测数据分析电动机平板钢板改为盘式铸铁盖,提高刚度降低电机轴向振动

    By observation and analysis of the test data, changing the plate steel endshield of motor into the disc iron one can improve the rigidness of endshield, and reduce the axial vibration of motor.

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  • 超声换能器采用纵向振动方式,盖板连接一个半波长圆锥形变幅杆增大超声换能器输出振幅

    The ultrasonic transducer vibrates longitudinally, its front cover plate links up with a half wavelength circular conical horn to increase the amplitude of the output end of the ultrasonic transducer.

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  • 本文工程常见四位移零的振动,提出一种新的压电式传感器设计方法测量体积位移。

    With a shown example of the pinned-pinned plate, a new piezoelectric sensor design is presented to measure volume displacement.

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  • 发电机定子绕组固有频率测试模态试验分析作了简要的介绍绕组振动的在线监测作了简要分析 ,同时提出了一些个人看法。

    This paper introduces a relaxed damage of a Large Generator Stator, measurement and analysis of the mode of the end winding, good suggests on preventive measures of resonant vibration are given.

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  • 通过得到固有振动频率值,磁力激发的强迫振动频率值进行比较不同情况下引水线在运行时的安全性进行一定的分析

    The natural frequencies and frequencies of electromagnetic force of diversion water pipe are compared, the security of diversion water pipe in different running condition is analyzed.

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  • 橡胶弹性元件加入,使得刚度降低弹性联轴器易于产生扭转振动

    Because of elastic components such as rubber, rigidity of shafting goes down, which can arise torsional vibration on the ends of the elastic coupling easily.

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  • 发电机定子绕组固有频率测试态试验分析作了简要的介绍绕组振动在线监测作了简要分析,同时提出了一些个人看法

    The inherent frequency and modal testing about end winding of generator stator are introduced, the vibration of end winding on-line monitoring is analyzed, a personal point of view is introduced.

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  • 发明公开了一种振动螺旋送料机,它是螺旋送料机进料安装高频振动电机

    The invention discloses a vibrating screw feeder. A feed end of the screw feeder is provided with a spring seat and a dither motor.

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