preload

Dynamic viscoelasticity of fiber reinforced composites under different preload/ dynamic load

不同预载/动载下纤维增强环氧树脂复合材料动态粘弹特性

Under the valve spring preload and seating impact force, the deformation at the site of contact accumulated more and more big, eventually leading to the valve seat fatigue failure.

气门座圈在预紧力和落座冲击力的共同作用下，在接触部位变形累计越来越大，最终导致气门座疲劳破坏。

A figure is made to show the relationship between preload and fatigue limit of bolts.

为了研究预紧力对螺栓疲劳极限的影响,实验求得了螺栓的疲劳图.

Second, the calculation formula of radial rigidity is deduced according to the deformation of rollers under the radial load with axial position preload.

其次，由轴向定位预紧轴承受径向载荷时各滚子的变形，推导出轴承的径向刚度计算公式；

A vibration stimulating and measuring system for SPM is built up. The influence of SPM scanners, probes, samples, tip preload stresses and open/ close loop tip-sample interactions are tested on SPM VRR.

搭建了SPM激振、测振的实验系统，对不同的SPM扫描器、探针、样品、针尖预应力以及针尖-样品副开/闭环对SPM抑振系数的影响进行了实验研究。

It is of importance to obtain optimum preload and ensure the dynamic quality in whole work condition including high torque at low speed and high power at high speed, which is the foundation of preload control.

确定最佳预紧力，实现电主轴在包含低速大转矩与高速大功率整个工作范围内动力学品质全局兼优是预紧力可控的基础。

Put the preload water into the tank.

向压载舱里灌压载水.

Calcium channel blockers reduce afterload with little effect on preload.

钙通道阻滞剂降低后负荷,而对前负荷几乎没有作用.

Several studies suggest that intrathoracic blood volume index might be superior to central venous pressure with regard to preload assessment.

多项研究认为在评估前负荷上胸腔内血容量指数要优于中心静脉压。

Objective To assess the value of the global end-diastolic volume ( GEDV) as an indicator of cardiac preload in hemorrhaged shock models of dog.

目的评估通过热稀释法测量全心舒张末容量作为心脏前负荷指标的准确性和实用性。

Determination of preload for the bolted connection under working state of vibration

振动工况下紧螺栓联接预紧力的确定

The way to preload pressure and the relationship between preloaded pressure and thrust was studied.

对预压力的施加方式和预压力与推动力之间的关系进行了研究.

Diminished venous return ( preload ) results in decreased ventricular filling and reduced stroke volume.

静脉回流减少 ( 前负荷 ) 导致心室充盈下降和每搏量减少.

The experiments verify that the preload is important to electrostrictive driver.

指出预紧力对电致伸缩器的重要性，并由进一步的实验结果所证实。

Supervision and Control Method on Water Tests to Preload Storage Tank Foundation

储罐地基充水预压现场监控方法

This text utilizes finite element to calculate the relation between hydraulic automatic press columns linking blots precision and surplus preload by contacted analytical method.

本文利用有限元接触分析方法对陶瓷全自动液压压机立柱螺栓精度和剩余预紧力的关系进行了计算。

The assemble type and load of the spindle bearing is analyzed, and the practical example is taken to explain in detail applied preload and its measurement and calculation, the exercisable exact data is given.

对磨床主轴的轴承装配形式及受力状况进行了分析，并用实例对预载荷的施加及测量计算加以详解，给出明确的可操作数据。

As matched pairs of bearings, preload for them is more convenient.

成对使用时, 以预先调整好间隙的配对角接触球轴承最为方便.

This article, on the basis of studying the structure of pinion gear assembly and pinion bearing pre-load mechanism, analyses the main factors which have impact on pinion bearing preload.

文章在研究主齿总成结构及主齿轴承预紧原理的基础上，深入分析了影响主齿轴承预紧的主要因素及其影响机理；

The finite element calcuating relations between hydraulic automatic press columns linking blots precision and surplus preload

压机立柱联接螺栓精度与剩余预紧力的有限元分析

If you can identify a working set ahead of time and it can fit in the available memory, then the simplest strategy is often to preload the working set.

如果您可以及早识别一个工作集，且它适合可用内存，那么最简单的策略通常就是预加载工作集。

Numerical Study on the Influences of Preload Factor on the Properties of Three-Lobe Journal Bearing

预负荷系数对三油叶固定瓦滑动轴承性能影响的数值研究

Effect of Preload on Tei Index Evaluating Left Ventricular Function

前负荷对组织多普勒超声Tei指数评价左心室功能的影响

Uni-Trek adjustable preload with rebound damping.

统一企业迷航与反弹阻尼可调负荷.

Generally through tightening torque to control the preload of bolt, but this method produces large error, and can not be precise controlled.

一般通过调整力矩来控制螺栓的预紧力，但是这种方法误差较大，不能实现精确控制。

If feasible, preferably with rubber spring on the actual preload.

如果可行的话, 最好能在弹簧上加上橡胶件的实际预紧力.

It is necessary to keep the preload constant over the speed range of the spindle.

保存在纱锭的速度范围上的预载常数是必需的.

Research on Bucking Mechanism in Laser Tube Forming with Axial Preload

轴向预负载对细薄钢管激光弯曲机制的影响

The PC comes with office software preloaded.

这台电脑随机预装了办公软件。

The screws are used to apply a compressive preload at the interface between plate and bone.

此时螺钉在钢板-骨界面产生加压预载荷.