friction factors的例句大全

calculation of friction factors for the turbulent flow in straight circular pipes

圆形直管湍流粗糙管区的摩擦因数计算

research on friction factors calibration of water distribution system

给水管网管道摩阻校正方法研究

performance characteristics and technology of composite brake shoes with low friction factors

低摩擦因数合成闸瓦性能特点及工艺

system introduces a variety of friction factors on the bearing friction torques.

系统介绍了各种摩擦因素对轴承摩擦力矩的影响。

it is emphasized on the affect of aspect ratios and friction factors on the workability, and some valuable curves are given.

重点研究了高径比与摩擦系数对可加工性能的影响，并给出了一些有价值的曲线。

X axis and Y axis adopt ball spiral rods with excellent precisions and low friction factors.

X.Y轴采用滚珠螺杆传动精度佳,摩擦系数小.

wave friction factors in nearshore sands

近岸沙地波摩擦因素

aiming at the nonlinear friction factors that affect the performance of motion control at zero velocity, this paper analyses the characteristics of pre-sliding friction of x-y table of cnc machining center, and presents a simple and effective method of friction compensation based on these characteristics.

在分析数控系统中X-Y工作台静摩擦力特性的基础上，针对影响速度过零点运动性能的非线性摩擦因素，提出一种便于工程应用的摩擦力补偿方法。其中外界因素的影响最为重要。

friction factors and heat transfer coefficients vary with the plate spacing and the kinds of corrugations.

不同板型的摩擦系数和传热性能是不同的。

experimental research on friction factors and transmission efficiency of metal belt typed step-less speed variator

金属带式无级变速器摩擦因数和传动效率的实验研究

new evaluation of correlations calculating friction factors for power law fluids in turbulent pipe flow

幂律流体管内紊流摩阻系数计算式评价

Tidal wave calculations in the Bohai Sea considering bottom friction and other factors

考虑底摩擦与岛屿影响的渤海潮波计算&渤海潮波计算中对不同形式的方程、底摩擦及岛屿处理之比较

The factors causing the mechanical lines between die and aluminium alloys section under the heat and dry friction condition are discovered through practical observation and experimental analyses.

通过生产观察与实验分析找出了模具与铝合金型材摩擦副间在热状态干摩擦条件下产生机械纹的因素。

The factors that influence the whole efficiency of ventilating system adopting adjustment to variable air mass flow and friction were investigated.

对采用变流量、变阻力调节式通风系统整体效率的影响因素进行了探讨。

All the factors of safety Fmax, Fmin and Fave increased with the increasing of height of retaining wall H2 and the friction angle between the retaining wall and the liner system δ DA. It was found that the retaining wall significantly affected the stability of landfill.

Fmax、Fmin和Fave都随着垃圾坝高度H2和底部摩擦角δDA的增加逐渐增大，垃圾坝对填埋场的稳定性有较大影响。

The friction loss of saw chain is different from general friction loss, it contains relative motion surface friction loss and shock loss two factors.

锯链的摩擦损失不同于一般的摩擦损失，它包括相对运动表面的摩擦损失和冲击损失两个因素。

Influence of externally applied electrical factors on friction coefficient of steel/ steel pair with boundary oil lubrication

外加电对边界油润滑下摩擦系数的影响

In this paper, we will define the following factors: the draft of the barge, trim angle, longitudinal strength, immergence depth, ballast disposal and the motion of the barge, the strength of rocker arms and friction coefficient.

在本文中，根据以往经验和工程条件确定以下因素：驳船的吃水、纵倾角度、总纵弯矩、浸没深度、调载布置和驳船的运动、摇臂的强度以及摩擦因数。

The factors, such as volumetric weight, the cohesion, the friction angle, the pore pressure ratio, earthquake intensity, slope ratio and the height of slope, which control and affect the stability of loess high slope were analyzed.

在此基础上，分析了影响黄土高边坡稳定性的因素，包括土体的容重γ、粘聚力c、内摩擦角φ、孔隙水压力比γu，地震烈度，边坡坡比和边坡高度H。

The Factors Causing the Tail Rope Breaking of MultiRope Friction Hoisting System and Its Prevention

多绳摩擦提升系统尾绳断裂原因及其防护