The result shows the following important points. The notch coefficient of interference-fit composite joint is less than the notch coefficient of sliding-fit composite joint;
研究结果表明复合材料干涉配合接头的有效应力集中系数小于复合材料间隙配合接头的有效应力集中系数；
The deformation coordination equation of worm gear for rolling cone worm gearing is introduced, and the formulae of forces analysis and the rolling - and - sliding friction coefficient are given.
本文建立了滚锥包络环面蜗杆传动蜗轮的变形协调条件，给出了该种传动受力分析的计算公式以及蜗轮与蜗杆之间滚滑摩擦系数计算公式；
From the model, the landslide thrust and remanent sliding resistance behind the piles can be calculated with the limit equilibrium theory and coefficient of transmission method.
利用极限平衡理论，采用传递系数法，系统地给出了滑坡推力和桩前剩余抗滑力的计算方法。
A computer programme in BASIC language used for plotting the curve of sliding coefficient was given.
文中还给出了绘制滑动系数曲线的BASIC程序。
It is found that the friction coefficient increases with the increase of sliding velocity, and there is critical velocity.
试验发现，摩擦系数随滑动速度的增加而增加，存在临界滑动速度。
By bringing forward the concept of sliding coefficient, it is proved that the sliding coefficient is fitted to the principal of weighted arithmetic average regarding the sliding block as weight.
提出滑动系数概念，证明了滑动系数符合以重量为权的加权平均原则；
Present the design method of switching function in integral sliding mode control, nonlinear derivative coefficient and controllers of DI-SVSC respectively.
在积分滑模控制与非线性微分控制中，分别给出了切换函数、非线性微分系数及控制器的设计方法。
The switching function of integral sliding mode control is defined, and the nonlinear expression of derivative coefficient is presented.
给出了积分滑模控制中切换函数的定义方法，以及非线性微分控制中微分系数的非线性函数表达式。
The result shows that in the ring-block sliding wear test, with time prolonging, the friction coefficient of all samples becomes more and more stable, and the mass wear loss increases.
结果表明：在环-块滑动摩擦实验中，随时间延长，试样摩擦系数均趋向平稳，质量磨损量均增长。
The result shows that in the ring-block sliding wear test, with time prolonging, the friction coefficient of all samples becomes more and more stable, and the mass wear loss increases.
结果表明：在环-块滑动摩擦实验中，随时间延长，试样摩擦系数均趋向平稳，质量磨损量均增长。
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