1) Predicted frequency equations
预估频率方程
2) predicted oscillation frequency equation
预估振荡频率方程
3) prediction method
预估方程
1.
Based on the corresponding-states treatment and the renormalization-group theory, a new prediction method of surface tension of HFC mixtures is developed and compared with literatures methods.
表面张力是有沸腾和凝结换热计算必不可少的物性参数，目前国际上已商业化使用或提出的潜在的环保工质，大多数为氢氟烃（ＨＦＣ）混合物，尤其是Ｒ２２和Ｒ５０２的替代物、本文应用对比态原理和重正化群理论，提出了一种新的ＨＦＣ类物质混合物表面张力的预估方程，并与国际上现有的预估式进行了比较分析。
2.
Based on the corresponding-states treatment and the renormalizationgroup theory, a new prediction method of surface tension for HFCs and HCFCs is developed and compared with literatu.
本文应用对比态原理和重正化群理论，提出了一种新的ＨＦＣ和ＨＣＦＣ物质表面张力的预估方程，可以在广阔的温度范围内高精度地再现实验数据，计算精度可满足工程实际需要，并与国际上现有的关联式进行了比较分析。
4) predicting equation of noise level versus frequency
噪声-频率回归预测方程
5) frequency equation
频率方程
1.
The frequency equation of RF MEMS switches was derived by separation of variable.
利用变量分离法推导出桥模式RF MEMS开关的频率方程组。
2.
Based on theoretical analysis of stepped bending vibration boring bars,the frequency equation of a stepped bending vibration boring bar with circular and square sections is established.
通过对阶梯式弯曲振动镗刀杆的理论分析,推导出了圆形截面和矩形截面组合的阶梯弯曲振动镗刀杆的频率方程,并对阶梯弯曲振动镗刀杆进行了试验研究。
3.
In this paper,tubular vibrator with coupled longitudinal and radial vibration is studied,and the frequency equation of tubular vibrator derived.
对纵径耦合振动的管形振子进行了研究,给出了管形振子的频率方程,并利用有限元和边界元软件对管形振子的振动模态和辐射的声场特性进行了分析。
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条