首先记录到的是纵向振动。
增加中间支点的数量，纵向振动的振幅减小。
The amplitude of longitudinal vibration is decreased when the number of intermediate supports is increased.
本文研究纵向振动压电换能器的频带展宽问题。
The article study widening band of longitudinal mode piezoelectric transducers.
综述轴向运动弦线纵向振动及其控制问题的研究进展。
Investigations on transverse vibration of axially moving strings and its control are reviewed.
直接把均匀杆纵向振动的数学模型用于弹簧的动力分析。
The mathematical model of longitudinal vibration bars is directly used for the dynamic analysis of helical springs.
综述轴向运动弦线纵向振动及其控制问题的研究进展。
Transverse vibration control of an axially moving string system by Lyapunov method;
实验结果表明，钻柱的纵向振动主要与转速和钻压有关。
The results show that longitudinal vibration of drill string is relative to rotary speed and weight on bit (WOB).
本文对超声波纵向振动内圆磨削系统进行了系统的研究。
The ultrasonic vibration hole grinding system has been studied in this paper.
研究了渐缩自由桩和渐扩自由桩的桩顶纵向振动速度时域曲线特征；
The frequency response function, frequency-domain and time-domain expressions for the longitudinal vibration velocity at the pile top were obtained further.
该换能器利用前盖板的弯曲振动与换能器的纵向振动耦合展宽频带。
A broadband underwater Tonpilz transducer was designed by using the coupling of transducer's longitudinal vibration mode and the bending vibration mode of front mass to widen its frequency band.
研究了轴向周期载荷作用下非线性粘弹性嵌岩桩纵向振动的混沌运动。
The chaotic motion problem for the Longitudinal vibration of a nonlinear viscoelastic pile subjected to an axial periodic force is investigated.
研究了连续油管柱内流体的液动压力对连续油管柱纵向振动的影响问题。
This paper studies the affection that the flowing force of fluid inside coiled tubing is correlated to longitudinal vibration of coiled tubing.
利用所得解对土体动力反应特性和桩的纵向振动特性进行了无量纲参数分析。
Thus the resistance factor and vibration modes of the soil layer are obtained and used to analysis the pile response.
研究了在给定桩顶轴向动位移条件下非线性粘弹性嵌岩桩纵向振动的混沌运动。
The vertical chaotic motion of the nonlinear viscoelastic pile embedded in rock with a vertical displacement, is investigated.
在以上分析的基础上利用有限元法建立整个带式输送机系统纵向振动的动力学模型。
On the basis of the above analysis, this paper establishes dynamic model on the longitudinal vibration of the overall belt conveyor system with finite elemental method.
结合面法向刚度大小的参数对纵向振动模态的影响比对弯曲、扭振模态的影响显著；
The parameters reflecting normal stiffness have more obvious effects on extensional vibration mode than those on flexural mode and torsion mode.
而在自动人行道的链传动系统中多边形效应引起的纵向振动是振动和噪声的主要来源。
Furthermore the vibration and noise mainly comes from the polygonal action which generates the longitudinal vibration of chains.
通过修正金属细棒的长度和横截面积，实现了换能器中纵向振动与弯曲振动的同频共振。
By correcting the length of the metal slender rods, the simultaneous resonance of the longitudinal and flexural vibrations in the transducer is acquired.
通过修正金属细棒的长度和横截面积，实现了换能器中纵向振动与弯曲振动的同频共振。
The resonance frequency equations for the longitudinal and flexural vibrations in the transducer are derived.
对成层土中变阻抗(变模量或变截面)桩在任意激振力作用下的纵向振动特性进行了研究。
Longitudinal vibration of pile with variable impedance (variable sections or modulus) in layered soil undergoing arbitrary load is theoretically investigated.
本文提出了以声脉冲管测量辐射头为方形的一种阵元(纵向振动换能器)的输入力阻抗的方法。
In this paper, a method of measuring the input mechanical impedance of the array element (longitudinal vibrating transducer) with square radiation head by using impulse sound tube is proposed.
根据薄板假定，采用文克勒地基模型，本文推导了文克勒地基上无限大板的纵向振动微分方程。
In this paper, the longitudinal dynamic equation of plate on Winkler foundation is derived with thin plate assumption and Winkler foundation model.
分别对均质土中完整端承桩和弹性支承桩在垂直谐和激振力作用下的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.
考虑钻柱的纵向振动、横向振动及扭转振动之间的耦合关系，建立了钻柱振动分析的综合模型。
A general model is developed to analyze drill string vibration considering the coupled relations between longitudinal vibration, lateral vibration, and twisting vibration.
文章研究深井钻柱的振动问题，以深井钻柱为研究对象，分析研究了钻柱的纵向振动、横向振动及扭转振动。
Drill string vibration of deep Wells is studied in the article. The axial vibration, lateral vibration and torsional vibration of drill strings are analyzed.
该超声换能器采用纵向振动方式，其前盖板连接了一个半波长圆锥形变幅杆，以增大超声换能器输出端的振幅。
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.
最后，给出了输电塔体系纵向振动时考虑导线影响的界限，提出了输电塔-导线体系纵向振动的简化抗震计算方法。
At the end, the simplified method of aseismic calculation is presented for the in_plane vibration of the transmission tower_lines system.
以矿井提升装载过程中的箕斗和钢丝绳为研究对象，建立了变质量箕斗的运动微分方程及钢丝绳的纵向振动微分方程。
Aiming at wire rope and skip in loading, movement differential equations of skip with different mass and longitudinal vibration differential equations of wire rope were proposed.
考虑液动压力对油管柱纵向振动的影响，建立了油管柱纵向振动微分方程，并给出了这种情况下油管柱纵向振动的频率方程。
In consideration of the effect of liquid dynamic pressure on the tubing string vertical vibration, the differential equation and frequency equation for describing the vibration are set up.
考虑液动压力对油管柱纵向振动的影响，建立了油管柱纵向振动微分方程，并给出了这种情况下油管柱纵向振动的频率方程。
In consideration of the effect of liquid dynamic pressure on the tubing string vertical vibration, the differential equation and frequency equation for describing the vibration are set up.
应用推荐