The exact rotational correction of the scattering tensor related to general acoustic modes and pure modes in the higher symmetry directions, for different crystal systems, is presented.
给出了各晶系晶体一般声学模及高对称方向纯模的散射张量转动修正的确切形式。
A novel method for applying environment correction to sonic skew log is presented-an acoustic path scattered reflection method.
本文提出了一种声波时差曲线环境效正的方法——漫反射声路法。
And a correction method for acoustic logs from shaly sand is also proposed assuming that the bulk modulus of the rock is the linear weighted averages of its upper and lower limits.
在假定岩石体积模量是其上、下限值线性加权平均值的条件下，提出了泥质岩石油气层声波速度校正法。
This paper discusses the environmental effect on acoustic log. The theory and principal method of environmental correction are described.
本文论述了测井环境时声波测井曲线的影响，阐明了对声波测井曲线作环境校正的基本原理和基本方法。
Objectives To evaluate systolic and diastolic function of the left and right ventricles before and after the total correction of tetralogy of Fallot(TOF) in children by Acoustic Quantification(AQ).
目的用声学定量技术（AQ）评价小儿法乐氏四联症（TOF）根治术前后的左、右室收缩、舒张功能。
Implementing Fourier Transform to solve the acoustic pressure correction equation in the frequency domain can avoid cockamamie retarded time calculation.
通过傅立叶变换在频域求解声压方程，避免了繁琐的时间延迟计算。
Implementing Fourier Transform to solve the acoustic pressure correction equation in the frequency domain can avoid cockamamie retarded time calculation.
通过傅立叶变换在频域求解声压方程，避免了繁琐的时间延迟计算。
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