因数

However, to meet the technological requirements of the friction factor is the lack of adjust and test the necessary tools and equipment.

但对于达到工艺要求的摩擦因数的调整和检测则缺少必要的手段和仪器。

Relationship has been studied on defect to deformation degree, friction factor and relative length of mould plastic section.

同时，研究了表面缺陷产生与变形程度、摩擦因数及模具整形段相对长度的关系。

Relationship has been studied on defect to deformation degree, friction factor and relative length of mould plastic section.

同时，研究了表面缺陷产生与变形程度、擦因数及模具整形段相对长度的关系。

A kind of wet copper-based friction material was made through powder metallurgy process. The surface microstructure was analyzed through metallographic analysis. The effects of brake conditions on friction coefficients of the material were investigated with MM1000 friction tester.

摘 要：采用粉末冶金方法制备铜基湿式摩擦材料，利用金相技术分析材料表面的微观结构，并用MM1000摩擦试验机研究制动条件对动摩擦因数影响的变化规律。

Based on feed forward multi-layer artificial neural network,a new way to estimate the friction factor between roller and workpiece was studied.

基于多层前馈人工神经网络原理，研究了冷轧机组动态轧制过程中轧辊与轧件间摩擦因数的估算新方法。

The results show that the side wall angle is the major factor, the influence of the friction coefficient between the roller and the tube billet on the external diameter ovality and the wall thickness unevenness is secondary, and the influence of the ratio of side wall radius on the rolling force and the wall thickness unevenness is the least.

结果表明：侧壁角是最重要的影响因素，管坯和轧辊间的摩擦因数对外径椭圆度和壁厚不均的影响居于次位，侧壁半径比对轧制力和壁厚不均的影响最小。

Three turbulence models,k-ε model,k-omega model and Shear Stress Transportmodel,were used to calculate the friction coefficient of tube surface and Stanton number.

分别采用了k-ε模型、k-omega模型和ShearStress Transport模型3种湍流模型。分析了管表面摩擦因数和斯坦顿数，并对所得结果进行了分析比较。

There are some simplified hypotheses for head motion in the common analysis software packages. Due to large volume of data, the correction error is also large.

但因数据量较大，常规分析软件对实验数据进行运动校正时做了一些简化处理，校正误差较大。

The influences of traction angle , coefficients of friction and helix angle on the flow rate of solids were discussed.

理论上证明了这两种情况下的固体输送机理与外螺杆的情况相同，均建立在固体摩擦输送机理基础之上；讨论了牵引角、摩擦因数和螺纹升角对上述三种情况固体输送流率的影响。

In the second chapter, the stabilities of periodic regular gaits for six-legged robots walking longitudinally and laterally were systematically studied respectively, employing a hexpod's geometric model with outward extension of middle legs. Major progress and achievements reached are: a Both the necessary and the sufficient conditions for static walking of hexapods were established theoretically. b A generalized optimization method of gait stability was investigated. c For all feasible duty factor, stability-optimal gaits were obtained, with the expressions being of wide adaptation.

第二章系统分析研究了轴对称六足步行机器人在&中腿行程外置模型&下沿两个运动主方向运动时周期规则步态的稳定性及步态规划问题，主要取得以下三方面新的进展：（1）从理论上建立了六足步行机静态稳定的必要性定理和充分性定理；（2）探索了步态稳定性计算机择优的一般方法；（3）对于所有可能的有荷因数取值，从理论上证明静态稳定性最优步态的存在，并得到具有相当普遍意义的统一表达式。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。