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Walking Model Experiment and Study of Sliding Load External Fixator ( SLEF) in Fixture of Intertrochanteric Fracture

股骨粗隆间骨折滑动加压外固定器的设计及步态模拟实验结果分析

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Specimens by high-strength bolted slip resistance testing, the extent of the corrosion resistance of its slip coefficient, sliding load and the impact of the ultimate load. Establish the extent of corrosion performance and high-strength bolts connecting the quantitative relationship. 3.

通过高强螺栓连接试件的抗滑移试验,探讨了锈蚀程度对其抗滑移系数、滑动荷载以及极限荷载的影响,建立了锈蚀程度与高强螺栓连接性能指标的定量关系。

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Design and Clinical Application of Sliding Load External Fixator for Intertrochanteric Fracture of Femur

滑动加压股骨粗隆间骨折外固定器的设计和临床应用

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At higher temperatures the load carrying capacity is reduced, depending on the material and sliding contact surface combination.

在温度较高的情况下,负荷能力会降低,降低幅度视材料和滑动接触面组合而定。

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Energy-saving and smooth operation while forced reversing can be realized by good play of the buffer springs so long as the relative sliding length between the counterbalance weight and the movable frame on the load-belt long stroke pumping unit is properly designed.

设计宽带长冲程抽油机时,合理地确定平衡重与活动框架的相对滑移长度可以更好地利用缓冲弹簧在换向时实现节能和缓冲的目的。

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By considering the compressibility of lubricant and the transient effect of variable load, sliding Velocities and curvature varying with time and coordinate, the transient elasto-hydrodynamic lubrication analysis on spur involute gears is given.

本文综合考虑润滑流体的可压缩性、齿轮传动重合度对轮齿载荷的影响以及滑动速度、曲率半径随时间和座标变化的瞬态效应,对渐开线直齿圆柱齿轮传动进行瞬态弹流完全数值分析;

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The results show that at low sliding speed and small load, the main dry sliding wear mechanism of the coating is oxidation wear, and the wear resistance of the coating is 2~ 4 times higher than that of tempered 45 steel.

结果表明,轻载低速条件下,熔涂层的干摩擦滑动磨损机制以氧化磨损为主,与淬火低温回火态45钢相比,熔涂层的耐磨性是45钢的2~4倍;

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As load and sliding velocity increased, thermal effect aggravated wear rate of pure copper and its composites.

载荷与滑动速度提高引起的热效应使得纯铜及其复合材料的磨损率增高;

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The effects of sliding speed and load were considered.

分别考察了滑动速度和载荷对两种材料的摩擦因数以及磨损量的影响。

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The materials apply to sliding under high load.

该材料适用于高载荷下的润滑部件;

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When the sliding velocity or load exceeds a certain critical value, the wear volumes of the two nitrided layers increase with increasing the sliding velocity or load.

当超过一定的滑动速度或载荷时,两种渗氮层的体积磨损量随载荷或滑动速度的增加而迅速增加。

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The wear characteristics of polytetrafluoroethylene ( PTFE) were tested on the model MPX-200 pin-on-disk tester in this paper. The effects of sliding speed, load, temperature and surface roughness of counterparts on wear were determined.

作者用MPX-200型栓-盘摩擦磨损试验机测试了模压聚四氟乙烯的磨损性能,考察了滑动速度、负菏、温度及偶件表面粗糙度对磨损的影响。

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Sliding Analysis on Offset Load of Single Support Continuous Box Girder Bridge

独柱支承连续箱梁天桥活载偏载时的滑移分析

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A fuzzy sliding mode controller with load adaptation is designed for the slow subsystem, and an optimal controller is desinged to stabilize the fast subsystem.

首先,采用奇异摄动将系统分为慢变和快变两个子系统。然后,对慢变子系统采用负载自适应模糊滑模控制,快变子系统采用最优控制。

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The thrust sliding bearing bears axial load, the bearing structure is largely determined by the working conditions.

推力滑动轴承承受轴向载荷,这样的工作条件很大程度上决定了轴承的结构。

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As the results, the friction coefficients decrease with increase of the sliding distance and normal load.

结果表明:碳化硼-碳化硼摩擦副的摩擦系数随滑行距离和载荷的增加而减小,最低摩擦系数为0.09;

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A sliding bar in a breech-loading firearm that ejects an empty cartridge and replaces it and closes the breech.

排出空弹药筒代替它并关闭膛部的后膛装药框架中的滑栓。

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The design of the big-span steel structure is introduced for structural layout, and its dynamical characteristics and internal forces distribution under different load cases, foundation tie bar, swinging column, steel shuttle-shaped truss column and sliding bearing etc, are presented.

主要介绍了大跨度钢结构的结构布置、其动力特性及各工况下的内力分布、基础拉梁、摇摆柱、梭形钢结构桁架柱、滑动支座的设计等内容。

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