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1)  two-phase frictional multiplier
摩擦倍增因子
2)  friction factor
摩擦因子
1.
Mathematical expression of calibration curves for measuring friction factor by ring upsetting;
圆环镦粗法测摩擦因子用标定曲线的公式表达
2.
Rigid plastic finite element method was applied to simulate the upsetting process of high billet between two plain dies and , the methods to exert a small transverse disturbing force was discussed, and then the influence of friction factor upon the stability of high billet was also given.
采用刚塑性有限元法 ,对高坯料在平模间的压缩过程建立了刚塑性有限元模型并进行数值模拟 ,探讨数值模拟过程中横向扰动力的施加方法 ,对模拟结果进行了分析 ,最终获得了摩擦因子对坯料压缩稳定性的影响规
3)  multiplication factor
倍增因子
1.
A mathematic model of the false alarm ratio(FAR) and the multiplication factor of APD is established.
为保证激光陀螺中雪崩光电二极管(APD)在温度变化的情况下始终处于最佳工作状态,从APD的倍增机理出发,分析了温度对雪崩增益的影响,建立了虚警率与APD倍增因子的数学模型,并采用监测雪崩噪声平均过阈率的方法,得到器件的实际击穿电压温度系数γ=6。
2.
One is based on the charge sheet approach,the other is based on calculating a multiplication factor.
一种是基于面电荷的方法,另一种是基于求雪崩倍增因子的方法。
3.
The relationships of the background radiant power,the multiplication factor,and the optimum signal-to-noise ratio of the receiving system were analyzed.
本文分析了背景辐射功率、倍增因子与激光高度计最佳信噪比之间的关系,并利用积分球进行了不同背景辐射功率下的信噪比试验,验证了背景辐射功率以及雪崩二极管倍增因子对接收系统信噪比的影响。
4)  Fanning friction factor
Fanning摩擦因子
5)  friction-effect factors
摩擦影响因子
1.
By means of computer technology, the authors calculated the group of equations for determining bending fatigue stress on the tooth root of the driving gear described in the thesis Calculation of Bending Fatigue Stress on the Driving Gear Tooth Root of A Reduction Gear, and worked out a set of diagrams of friction-effect factors (diagrams for short).
运用计算机技术对“减速齿轮传动中主动轮齿根弯曲疲劳的计算”[1]一文的主动轮齿根弯曲疲劳强度计算方程组进行计算并绘图,编制出了一套摩擦影响因子图谱(简称图谱)。
6)  dry friction damping factor
干摩擦阻尼因子
1.
The dry friction damping factor is introduced to measure the effect of friction damping on blades.
引入干摩擦阻尼因子度量干摩擦阻尼效果。
补充资料:摩擦因子
分子式:
CAS号:

性质:在计算流体沿直管流动的阻力时,引入的一个无因次数群λ。λ=R/ρu2式中R为管表面上的剪应力,单位为N/m2,u为流速,ρ为流体密度。摩擦因子是Re和管子的相对粗糙度e/d的函数。E为绝对粗糙度。

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