Maryanne Zeleznik of member station WVXU reports, the bus struck a tree and a fence and then foot on its side before sliding to a stop in a corn field.

Application of Sliding Supports with Spring Resistances in Large-span Steel Truss Roof of the gymnasium of Wukesong Culture and Sports Center

弹簧限位抗震支座在五棵松文化体育中心体育馆大跨钢屋架设计中的应用

The utility model relates to a vacuum gaining device, in particular to the improvement of a sliding valve in the sliding spool vacuum pump.

本实用新型涉及真空获得设备，特别是滑阀式真空泵中滑阀的改进。

The rotary and sliding motions of the spool are independently exploited to control the frequency and the amplitude of the agitated vibration respectively.

阀芯的转速和轴向位移分别用于振动频率和振幅的独立控制。

An Analysis on Pneumatic Measurement of the Opening of sliding Spool Valve

滑阀开口量的气动测量分析

At the sliding speed of 2m/ sec under dry condition the wear rates of all the composites tested were lower than the matrix.

滑动线速度最高达9.4米/秒。在2米/秒干摩擦时，所有测试的复合材料磨损量均小于基体合金。

The influences of film thickness, normal load, and sliding speed on the friction and wear behaviors of PNMP films are investigated.

研究考察了薄膜厚度、法向负荷以及相对滑动速度对PNMP薄膜的摩擦和磨损性能的影响。

Friction coefficient of the PVA hydrogel depended significantly on load and sliding speed, and lubricant had little influence on the friction.

结果表明：滑动速度、载荷和润滑状态3种因素对PVA水凝胶/钛合金球摩擦副的摩擦系数影响显著程度由高到低依次为载荷>滑动速度>润滑状态；

This coating is suitable for moderate load ( 300~ 800 N) and low sliding speed ( 0.63 m/ s is optimal).

适用于中载（300～800N）和低滑动速度（最佳为0.63m/s）工况。

The results show that the wear rates of the two materials increase and the friction coefficients decrease with increasing of normal load and sliding speed.

结果表明，两种材料的磨损速度随载荷、滑动速度增大而增大，磨擦系数随之降低。

This indicates that as the sliding speed increases the effects of water lubrication and load carrying capacity of the friction pair are improved.

说明滑行速度提高时，水润滑效果会更加明显，且摩擦副具有较高的承载能力。

With the increase of the sliding speed and the normal load and with the prolonged sliding time, the surface temperature was elevated.

干摩擦时3Y-TZP表面温度随速度和载荷的增大而升高，且随滑动时间的延长而升高。

The friction coefficient becomes smaller as the loads and sliding speed becomes larger, but the wear rate is reversed.

摩擦系数随着载荷和滑动速度的增大而减小，而磨损率则随它们的增大而增大。

The increase of sliding speed does not affect the depth of phase transformation zone, but increase the probability of phase transformation.

滑行速度的提高可以增大相变层出现的几率，但并未增加相变层的深度；

The friction can be calculated according to the sliding speed, the oil film between the two contact surfaces by using the model.

该模型可以根据滑动速度、表面接触物体的油膜厚度等计算摩擦力。

Friction and Wear Behavior of Graphite Partiele/ Al Composites at High Sliding Speed and High Temperature

铝/石墨复合材料高速高温下的摩擦磨损特性

When the sliding speed and contacting pressure were increased, the friction and wear mechanism would be changed.

在逐步增加速度与载荷的过程中，存在着摩擦磨损机制的改变。

At low normal load and sliding speed, the main wear mechanism of 3Y-TZP is plastic deformation.

在低载低速下3Y-TZP陶瓷的主要磨损机制为塑性变形；

With the increase of sliding speed, stability of friction decreased and stability of current collection became worse.

随着滑动速度的增加，摩擦稳定性降低，受流稳定性变差。

Investigation on the relationship between sliding speed and soil-metal friction

金属-土壤摩擦阻力与滑动速度关系的研究

And the wear rate increases with theimproving of sliding speed.

而磨损率随着滑动速度的提高而增大。