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friction roller相关的网络例句

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The relationship between the effect of friction on the motion and the parameters, including driving velocity, the kinetic friction coefficient, the friction drop number between the static and kinetic friction coefficient, and the joint equivalent spring stiffness, is investigated quantificationally.

本文分别计算这两类系统受同样激励时的摩擦扰动均值比,进行对比研究,在相同参数条件下,包括动摩擦系数,静动摩擦落差数和激励幅值,摩擦对微振动系统的影响一般要大于对有限刚体运动系统的影响。

The friction, friction coefficient etc of prescind from external asperity model and the single asperity model in plasticity forming were respectively researched by using finite element analysis software ADINA and Coulomb friction model and nonlocal friction model.

应用大型有限元软件ADINA,采用库仑摩擦模型和非局部摩擦模型,对不考虑表面微凸的模型和单个微凸体模型在塑性成形中的摩擦力、摩擦系数等进行研究。

Circular and catenary always represent the shapes of minor principal stress soil arch between two parallel walls, but which shape should be used in the calculation of active earth pressure on two parallel walls remains disputed. Considering fully developed wall friction or partially developed wall friction, circular and catenary, the two shapes of minor principal stress soil arch between two parallel walls are theoretically analyzed. According to the shapes of soil arch, the coefficients of earth pressure corresponding to different angle of internal friction and that of wall friction are obtained, and the formula of active earth pressure on two parallel walls is derived.

鉴于计算平行墙间侧土压力时关于土体小主应力拱形的选择尚存在争议,考虑墙土摩擦角充分发挥和部分发挥两种情况,对平行墙间土体小主应力圆弧拱和悬链线拱分别进行了分析,得到了对应于不同内摩擦角和墙土摩擦角的侧上压力系数,以及平行墙间侧上压力的理论公式。

For the first patern, elastic dynamics is adopted to study the steady state rolling contact, elastic dynamics incorporating with rigid dynamics is adopted to study the non-steady state. For the steady state, the analytical solution is obtained, and for the non-steady state, the variational formulation to solve the problem numerically is derived For the later patern, the function type friction coefficient is introduced. On the basis of the quasi-stastic theories of constant friction coefficients, both the exact theory and the simplified theory of the function type friction coefficient are established, the computer programms for both the theories are also made out. Using the function type friction coefficient, Shen-Hedrick-Elkins theory's application range is extended to large creepage .

对于速度对接触体力学特性的影响,本文采用弹性动力学方法和弹性动力学与刚体动力学相结合的方法分别对稳态和非稳态两种情况进行了研究,得到了稳态情况的解析解,给出了对非稳态情况进行数值求解的变分公式;对于速度对相关物理量的影响,本文主要讨论了速度对摩擦系数的影响,在滚动接触准静态理论的基础上引进了函数型摩擦系数,建立了函数型摩擦系数的滚动接触准静态精确理论和简化理论,并分别编制了相关的计算程序,还用函数型摩擦系数将简便的Shen-Hedrick-Elkins理论的适用范围扩展到大蠕滑区。

A model for predicating friction coefficient of resin-based friction materials based on artificial neural network was established to forecast its friction performance,and the ANN network model was trained by using 30 kinds of frication material's data of friction coefficient,and then fitted.

为了预测不同成分的树脂基摩擦材料的摩擦性能,建立了摩擦材料成分与摩擦因数之间的人工神经网络预测模型。

As the results, both the friction and wear are much lower in n-monohydric alcohols than in water; in ethanol, the friction and wear increase rapidly when a small amount of water was blended into the lubricant; the friction and wear decrease slightly with increasing the chain length in n-alcohols; in polyhydric alcohols, the increase of the hydroxyl number greatly reduces the friction and wear.

研究结果表明,陶瓷在醇中的摩擦和磨损均比水中低;在乙醇中加入少量水可明显增大其摩擦和磨损;随着一元醇分子链长的增加,其摩擦磨损略有降低;多元醇中羟基数目越多,其摩擦磨损越低。

The friction factor of glass reinforced plastic mortar pipe and typical soil of Shanghai, the develop characters of friction and the effect of injecting slurry on the frictional characters are got through the experiments. The result shows: the ektexine of glass reinforced plastic mortar pipe is slipperier than concrete pipe; injecting slurry could minish the friction between soil and pipe, but the effect of minishing friction is bear

然后通过对玻璃钢夹砂顶管进行摩阻力特性整管试验与直剪试验研究,得到了玻璃钢夹砂顶管外壁、混凝土与上海地区典型土层间的摩擦系数,以及玻璃钢夹砂顶管外壁摩阻力的发展特性,并且分析了注浆

Introduce the cohesion-friction model of rock strength theory, and extend the model to select the strength of sliding plane, discuss the variation rules of peak strength and residual strength under different normal stress, and then present the selection model of shearing strength. After the result of cohesion-friction model is compared with Coulomb Criterion, it is found that when the results of shearing strength are many and adjacent the strength parameters can not be regressed by least square method, instead the results should be divided into some beelines at that time according to the cohesion-friction model.(4) Discuss the characters of hard structural plane and weak structural plane: The adhesive friction theory is applied to research the changing course of shear area of hard structural plane and its influence on shear stress.

3介绍了岩石强度理论中的粘接摩擦模型,运用此模型分析依附型滑动面的演化过程,并将其推广到边坡岩土体抗剪强度的选取,讨论了不同法向应力下峰值强度和残余强度随法向应力的变化规律,在此基础上给出抗剪强度的选取模式,讨论了对实际取值结果的影响,并与传统的Coulomb准则进行了比较分析,指出直剪试验的法向应力在小应力区的点较多且抗剪强度结果差异不大时,不宜直接运用最小二乘法回归抗剪强度参数,此时应结合粘接摩擦模型对结果进行线性分段。

All the actuators of the three-axis turntable are brushless torque motors, all the bearings are aerostatic air bearings, so the friction caused by these elements can be neglected. The main source of friction is the metal-to-metal friction on the slip rings. Hence the "Columb+Viscous+Static" friction model is used here for analysis.

由于三轴转台的驱动系统选用的是无刷电机,轴承则采用的是气浮轴承,轴系上的摩擦力已大大降低,三轴转台上的摩擦主要是滑环轴上金属对金属的摩擦,所以文中选用&库仑+粘滞+静摩擦&的摩擦模型来进行分析。

Because the error mainly comes from theresonant region, the error correction method can only be used in resonant region, andcan effectively improve the efficiency of the statistical analyzing solutions. Two types of the mistuned bladed disks, whose friction damping are blade dryfriction damping and blade-to-blade dry friction damping, are modeled respectively. Amulti-harmonic method which can employ the fast Fourier transformationtechnique is proposed to investigate the vibratory response of the bladed disks withthese two types of nonlinear friction damping. Formulations of the solution for thesetwo types of motion functions are deduced. The characteristics of the forced responseof the bladed disks with these two dry friction damping are analyzed and summarizedunder various system parameters. The vibratory response of the bladed disk with dryfriction scatter mistuning is investigated.

针对叶盘系统中两类主要的非线性干摩擦阻尼形式,分别建立了具有叶片干摩擦阻尼和叶间干摩擦阻尼的失谐叶盘系统的非线性力学模型;提出了一种可利用快速傅立叶变换技术的多谐波分析方法;分别推导了具有这两类干摩擦阻尼形式的叶盘系统运动方程的求解公式;在各种系统参数条件下,研究了干摩擦阻尼失谐叶盘系统的受迫振动响应特性;对具有干摩擦散乱失谐的叶盘系统振动响应进行了研究,分析总结了干摩擦散乱失谐对叶盘系统振动响应特性的特殊影响规律。

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相关中文对照歌词
Zero Friction
Roller Coaster
Queen Of The Roller Derby
Roller Derby
Friction
Attraction
Holy Roller (Hallelujah)
Rocker
Friction
Roller Coaster
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Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。

I think we have to be very careful in answering these questions, because nothing is really so simple.

我认为,我们在回答这些问题的时候应该非常谨慎,因为事情远没有那么简单。