1) longitudinal resonance
纵向共振
1.
With the effect of damping and longitudinal resonance concerned, an analyzing method for the dynamic stability of columnar structures is discussed and formulas for instability zone are derived.
本文推导了有阻尼与发生纵向共振时柱状结构的动力稳定计算公式。
2.
An analyzing method to study the effect of damping and longitudinal resonance on the dynamic stability of columnar structures is discussed and formulas for investigate its instability zone are derived.
推导了有阻尼与发生纵向共振时柱状结构的动力稳定计算公式 ,计算了水中平台动力失稳区间 ,探讨了阻尼与纵向共振的影响 ,得出了一些有应用价值的结
3.
The effects of the damp of strueture and longitudinal resonance have been considered at the same time.
研究了弹性结构动力稳定问题，考虑了结构阻尼及纵向共振时的影响，得出了一些有益规律，这在以往都是无人问津的。
2) longitudinal resonant photoacoustic cell
纵向共振光声池
3) longitudinal-tersional resonance
纵扭共振
1.
Based on motion and kinetic characteristics of longitudinal-tersional resonance rotary ultrasonic cutting,the cutting trajectory feature and cutting characteristics were analysed.
基于纵扭共振旋转超声切削的运动特性和动力特性,分析了纵扭振动模式下的切削轨迹特征和切削特性,讨论了纵扭共振旋转超声切削提高加工精度和系统刚度的实质。
4) longitudinal vibration
纵向振动
1.
Study of longitudinal vibration model of mine lifting container;
矿井提升容器纵向振动模型研究
2.
Experimental study on longitudinal vibration characteristics of pendulum assembly in straight hole;
直井眼钟摆钻具纵向振动特性的实验研究
3.
ANSYS-based finite element analysis method of longitudinal vibration of drilling string and its application;
基于ANSYS的钻柱纵向振动有限元分析及应用
5) vertical vibration
纵向振动
1.
In this paper,one-dimensional vertical vibration model of deep well drilling string is estabilished.
以深井中的整体钻柱为研究对象 ,建立了深井钻柱一维纵向振动分析模型 ,采用动力有限元理论建立了描述钻柱振动的动力学方程 ,并且编制了一套钻柱纵向振动分析软件 ,最后使用该软件对深井实用的钻具组合针对不同的工况进行了分析计算。
2.
The partial differential equation analyzing the nonlinear vertical vibration of the pile was first derived.
假设嵌岩桩桩身材料满足非线性弹性和线性粘弹性本构关系,桩周土为有阻尼非线性弹性土体,从而导出了分析基桩非线性纵向振动的偏微分方程;用Galerkin方法对方程进行简化,对简化后的系统进行了数值模拟计算,得到了一种典型参数情形时基桩运动的时程曲线、相平面图、功率谱图、Poincare截面图及分叉混沌图,考察了各种材料及结构参数对基桩非线性纵向振动的影响。
3.
Based on vertical vibration theory,assuming the segment above the defect is a rigid body,and the segment with the defect is a linear spring,an analysis method for the location and level of shallow defect is given.
本文采用振动理论,将浅部缺陷以上桩段假设为刚体,缺陷处的桩身假设为弹簧,通过对浅部缺陷桩的纵向振动分析,提出了一种利用频谱分析技术分析浅部缺陷位置和程度的方法,检测实例验证了该方法的正确性。
6) Axial vibration
纵向振动
1.
Analysis of the influence of drilling fluid on axial vibration of drill string;
钻井液对钻柱纵向振动影响分析
2.
This paper presented the principle and method of calculation for the axial vibration based on Rayleigh differential method of crankshaft for a high speed diesel engine.
采用瑞利法对高速内燃机曲轴纵向振动进行研究。
3.
The reliability mode and the safety probability of the random axial vibration systems of rods are defined as a series mode, a.
根据随机连续杆纵向振动系统的固有频率与激振频率差的绝对值不超过规定值的关系准则,定义了随机连续杆纵向振动系统的可靠性模式和系统的可靠度,提出了避免共振的频率可靠性分析方法,对随机连续系统共振问题的准失效分析方法进行了探索。
补充资料：电子自旋共振(见电子回旋共振)
电子自旋共振(见电子回旋共振)
electron spin resonance
电子自旋共振eleetron spin resonanee见电子回旋共振。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条