流变振动仪利用等截面杆的纵向简谐振动来测定材料的阻尼，十分方便和有效。
This paper presents a simple method for measuring gas adiabatic constant by use of simple harmonic oscillation.
推导出弹性地基上的等截面受压直杆横向振动频率方程的一般表达式。
The general expression for the lateral vibration frequency equations of compressed straight bars with constant cross section on elastic foundations is deduced in this paper.
针对细胞微超声振动切割系统对超声变幅杆的要求，将等截面圆柱形阶梯变幅杆的一端替换成圆锥形变幅杆构成一种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.
分析了凹陷深度、初弯曲、长细比和截面径厚比等参数对杆件极限承载力的影响，讨论了上述参数对荷载-轴向缩短关系的单独影响和综合影响。
The following parameters, dent-depth, initial crook, slenderness ratio and diameter-thickness ratio, are considered and their influence on ultimate bearing capacity is analyzed.
计算结果表明，该方法使用方便，精确度高，适用于变截面杆、板、壳等结构弯曲、稳定和振动的计算。
The calculated results indicate that the present method is simple in use and good in accuracy. The integral matrix method may be used to calculate the bending, buckling and vibration of beams, pla…
计算结果表明，该方法使用方便，精确度高，适用于变截面杆、板、壳等结构弯曲、稳定和振动的计算。
The calculated results indicate that the present method is simple in use and good in accuracy. The integral matrix method may be used to calculate the bending, buckling and vibration of beams, pla…
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