2) High frequency vibration
高频振动
1.
Objective To study counteracting effects of high frequency vibration on simulated weightlessness-induced atrophy of soleus muscles in rats.
方法 将SD大鼠按体重匹配的原则随机分为同步对照 (CON)、模拟失重 (SUS)、模拟失重 +高频振动 (SUS +HFV) 3组。
2.
In this paper,the effects of high frequency vibration on sludge liquefaction are studied to improve the sludge transporting effiency by means of pipeline.
实验结果表明,高频振动对于粉砂质淤泥具有良好的液化效果。
3.
Farthermore,a simulation program is designed for the dynamics system by using a new fast-integration method to simulate the high frequency vibration of the wheel and track under the exciting of wheel-flat,based on comparing and analyzing the simulation result with the Euler model.
建立了车辆-轨道垂向耦合Timoshenko梁高频振动模型,运用快速积分方法编制仿真程序,对扁疤激励情况下的轮轨垂向高频振动进行系统仿真与分析,并与Eu ler梁模型仿真结果进行比较。
3) high-frequency vibration
高频振动
1.
Large-scale dynamic systems with local high-frequency vibration and local nonlinearity require small integration time step which greatly decreases the effeciency of the direct integration method.
大型动力系统中常因局部的高频振动及非线性等特性限制了系统的积分步长而导致整体计算量激增,针对此问题提出一种分区域异步长显式—精细混合积分方法。
2.
Whereas the importance symptom of contact friction is high-frequency vibration.
滑动轴承的代表性故障是轴承与轴颈的接触摩擦故障,而高频振动信号的出现是产生接触摩擦的重要征兆,基于这一特性借助小波包将信号细分到各个频段,分别求出各频段内信号的能量,观察高频能量的变化就可以判断出是否发生了故障以及故障的程度。
3.
To obtain detail information of high-frequency vibration in cylindrical shell,the governing equation of energy density about bending vibration in cylindrical shell is developed based on the relationship of an energy balance and thin shell theory.
为了利用能量有限元方法得到圆柱壳体任意一点的高频振动响应,根据薄壳理论和能量平衡关系,推导了圆柱壳弯曲振动能量密度的控制方程,并运用有限元方法对圆柱壳弯曲振动能量密度的控制方程进行了求解。
4) vibratory stress relief
振动时效
1.
Research on the vibratory stress relief used to reduce butt weld residual stress of dissimilar steel;
振动时效用于降低异种钢对接焊缝残余应力的试验研究
2.
The mechanism for vibratory stress relief of stainless steel;
不锈钢振动时效过程的循环蠕变机理
3.
Application of vibratory stress relief to the residual stress elimination for steel manifords;
振动时效工艺在钢岔管消除残余应力中的应用
5) vibration stress relief
振动时效
1.
Investigation on vibration stress relief of post-welded drums;
振动时效在卷筒体焊后消应力中的应用
2.
To quickly and quantitatively evaluate the vibration stress relief (VSR) effect in the site, assumption about VSR criterion is presented.
为了实现振动时效(VSR)效果的现场定量快速评定,提出了振动时效动应力判据的设想:仅通过动应力参数的测量就可迅速地求得消应力效果。
6) Vibration aging
振动时效
1.
The Research for the Vibration Aging of the Large Mill Vessel;
大型磨机筒体振动时效研究
2.
Based on the analysis of the effect of excitation force of vibration aging on the fatigue life of white cast iron parts, the selection gist for excitation force was determined.
从理论上分析了振动时效激振力对白口铸铁工件疲劳寿命的影响,确定了白口铸铁疲劳破坏工件振动时效激振力的选择依据。
3.
This paper introduced the damage of residual stress to machine building,analyzed the theory and application of vibration aging as well as its effect on eliminating residual stress.
主要介绍了残余应力在机械制造中的危害,分析了振动时效工艺的理论和应用及其在生产实践中的应用效果。
补充资料：GPS-1200-Ⅲ型高频振动细筛
GPS-1200-Ⅲ型高频振动细筛
GPS一1200一III型高频振动细筛
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