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弛豫时间近似
[热] relaxation time approximation
- 用紧致密度矩阵和弛豫时间近似方法，研究退极化效应对三次谐波产生的影响。
The influence of the depolarization effect on the third-harmonic generation spectrum in an asymmetric semi-parabolic-quantum well is studied. - 低粘度原油的纵向弛豫时间T1和横向弛豫时间T2近似相等，且在双对数坐标系下与粘度、粘度与温度比值呈反比关系；
When crude oil viscosity is low, T1 approaches T2 , and the inverse relation of the relaxation time and viscosity, the ratio of viscosity to temperature in double logarithmic coordinate was obtained.
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