In this article, relations among reverse tension, friction coefficient and quality of wire are discussed in theory and practice of cold drawing process in detail.
对拉丝工艺中的反张力与界面摩擦系数及产品性能间的关系作了理论和实践方面的详细论述。
In nature, a sliding friction system is a nonlinear vibration one, there are still many problems, in theory and practical engineering, to be solved.
滑动摩擦系统是一种本质非线性振动体系，尚有许多理论和工程实际问题有待解决。
This paper analyzes the influence of sliding friction on contact deformation in theory and demonstrates it by means of test.
从理论上分析了滑动摩擦对接触变形的影响，给出了压陷量的修正公式，并通过试验加以验证。
In this paper, the fuzzy reliable optimum design's mathematical model of the spur gear under the action of the sliding friction is set up by using the fuzzy and reliable theory.
通过应用模糊设计理论和可靠性设计理论，建立了摩擦力作用下直齿圆柱齿轮传动的模糊可靠性优化设计的数学模型，并对其进行优化处理。
Upon the theory of hot elastohydrodynamics about part film load bearing, the sliding and rolling friction forces in gear transmission device can be calculated.
运用部分膜承载热弹流理论计算齿轮传动中的滑动摩擦力和滚动摩擦力。
Through inducing and analyzing the formation theory of friction, the article advances a new concept that the metal cutting force equals the friction of the tool and workpiece.
通过对摩擦力形成理论的归纳与分析，提出了金属切削力等效于刀具—工件副间摩擦力的新概念，由此导出了计算切削颤振系统阻尼系数的方法及相应结论。
However, until now the internal friction is only considered in limit analysis and plastic mechanics, but not included in elastic mechanics and energy theory.
然而，至今只有岩土极限分析与塑性力学中考虑岩土体的内摩擦力，而在弹性理论与能量理论等诸方面均未体现。
Based on reliability theory, the specification of accelerate life test for friction welded joints in boiler snake pipe was worked out.
以可靠性理论为基础，制定了电站锅炉蛇形管焊接接头的加速寿命试验规范。
A fractal prediction model of sliding friction forces was derived based on the fractal geometry theory. The validity of the model was verified theoretically.
基于分形几何理论，推导出了滑动摩擦力分形预测模型，并从理论上对该模型的正确性进行了分析。
But the theory about the flow regime of the wave boundary layer, the wave friction factor, the bed shear stress and the initiation of sediment motion has not developed very well.
而且波浪是海岸地区一个非常重要的海洋水动力因素，波浪作用下底部边界层的流态、底摩阻系数、床面剪应力和泥沙起动的理论还不成熟。
Calculation formula of velocity distribution, boundary layer thickness, friction force and loss of water head are given out, in accordance with the result from theory analysis of similitude solution.
对于速度边界层提出了相似性解的解析结果，给出了速度分布、边界层厚度、摩擦阻力和水头损失的解析计算表达式。
Combined with the previous results and the property of PCC pile, based on Terzaghi consolidation theory, mechanism of negative skin friction of PCC pile has been studied.
结合以往研究实心桩的成果和PC C桩自身的特点，基于太沙基固结理论，探讨了PCC桩负摩阻力作用机理。
The research results can provide a theory foundation for friction structure design of anchors of Runyang Suspension Bridge.
研究结果为润扬大桥南汊悬索桥南北锚碇抗滑结构设计提供了可靠的理论依据和借鉴作用。
Structure of organic macromolecule polymer Teflon (PTFE) and theory of its self-lubricating and friction reduction were described in detail.
详细介绍了有机高分子聚合物聚四氟乙烯（PTFE）的结构特点及它作为自润滑减磨材料的原理。
Structure of organic macromolecule polymer Teflon (PTFE) and theory of its self-lubricating and friction reduction were described in detail.
详细介绍了有机高分子聚合物聚四氟乙烯（PTFE）的结构特点及它作为自润滑减磨材料的原理。
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