This paper presents the analysis of the vertical viscoelastic dynamic responses of pipe group by Laplace numerical inversion method.
应用担普拉斯数值反演方法分析了群桩垂向粘弹性动力反应。
2
Using rate equation theory, the equation group including the population inversion density of the gain medium, photon density and the absorber ground state population density is acquired.
利用速率方程理论，得到包含激光增益介质反转密度、光子密度和饱和吸收介质基态布居数密度的速率方程组。
3
The arthor elaborates the measurement of the cyanogen groupinversion rate of waste PAN yarn using acidic titrimetry under the condition of constant pressure alkali gydrolyzation.