频率和损耗因子是粘弹性材料复合夹层结构的两个重要的动力特性指标。
Frequency and loss factor are two important indices of dynamic property of composite structures, in which the viscoelastic material is sandwiched between the upper layer and the lower layer.
加入聚苯硫醚（PPS）的PTFE基复合材料的损耗因子曲线只出现一个明显的峰，峰值变大；
The loss factor curve of PTFE/PPS appears only one peak, and the loss peak value increases.
层压减振复合钢板的结构损耗因子的试验值高于计算值，但二者随温度的变化规律具有很好的一致性。
The loss factor of the laminated steel sheet is of larger testing value than the calculating value, but their dependence on temperature is in good accordance with each other.
本文应用能量原理和阻尼分析的方法解决了平纹织物复合材料的复杂结构损耗因子的计算问题。
The amplitude frequency characteristic curve and loss factor of laminated damping steel sheet have been calculated and measured with the sine scanning excited method.
条件下测定了6种不同配比复合纤维增强阻尼混凝土的损耗因子与储存模量，最后对纤维的阻尼增强机理进行了初步探讨。
Thirdly, the loss tangent and storage modulus for fiber reinforced concretes of 6 different ratios were measured in the range of.
[16]潘利剑，张博明，戴福洪。 简谐激励下共固化复合材料黏弹阻尼结构的损耗因子研究[J]。振动与冲击，2008，27（2）： 57-60。
PAN L J, ZHANG B M, DAI F H. Loss factor of viscoelastic damping composite material under harmonic excitation [J]. Journal of Vibration and Shock, 2008, 27(2): 57-60.
[16]潘利剑，张博明，戴福洪。 简谐激励下共固化复合材料黏弹阻尼结构的损耗因子研究[J]。振动与冲击，2008，27（2）： 57-60。
PAN L J, ZHANG B M, DAI F H. Loss factor of viscoelastic damping composite material under harmonic excitation [J]. Journal of Vibration and Shock, 2008, 27(2): 57-60.
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