一般地说横波速度大约是纵波速度的一半。
Normally the shear velocity is about half of the compressional velocity.
我们收集了渤中凹陷一条剖面的纵波速度资料。
The basic field data are P-wave velocity values collected along a seismic profile conducted in the Bozhong Depression.
岩石孔隙度及流体模量较小时，纵波速度对流体变化比较敏感。
When rock porosity and fluid modulus are relatively small, compressional velocity is relatively more sensitive to variation of fluid saturation.
二是测量空气饱和样品中的慢纵波速度，并验证样品曲折度的大小。
One is the measurement of compressional and shear waves of air-satura…
干岩样孔隙中充注混合气后，随CO2含量的增加，纵波速度有减小趋势。
The longitudinal acoustic velocity of the dry core samples filled with gas/CO2 mixture decreased with increases in CO2 content.
研究表明：沙漠地区表层沙纵波品质因子随埋深、纵波速度的增加而增大。
The research discovers that compression wave quality factor of the sands in desert surface increases as the buried depth and the compression wave velocity's increase.
不同形式的随机孔隙岩石模型中纵波速度和横波速度的变化程度各不相同。
Different heterogeneous random porous rocks have different scattering effects on wave speeds. The elastic wave speeds caused by larger pore are more distinguishable.
岩石物性测定表明，金红石榴辉岩的纵波速度极高，会产生明显的反射与重力异常。
Measurements of physical properties indicate that the rutile - bearing eclogite, due to its very high seismic velocity and density, can produce reflections and gravity anomalies.
结果表明，纵波速度与变形能系数关联度最大，纵波速度能较好地反映冻土的爆破性。
The results show that the longitudinal wave velocity is closely correlated to strain energy factor and exhibits the blastability of frozen soil.
研究结果表明：弱面的倾角、厚度及是否贯通等对试样的纵波速度、平均模量和强度具有显著的影响。
All studies show that weak plane inclination, thickness and whether be run through or not have a significant impact on longitudinal wave velocity, average modulus and strength of specimens.
当模型井的径向厚度较大时，二维谱中纵波速度线附近的模式波类型较多，空间分布较密集，幅度也较大；
There are a lot of mode wave patterns near P-wave velocity line in 2-D spectrum, which have dense special distribution and large amplitude when the radial thickness of model well is thicker ;
如果我们已知介质中横波与纵波速度的比值、水平界面的埋藏深度和炮检距，炮点到共转换点的水平距离就可以通过解一个四次方程求出。
Given the velocity ratio of S-to P-waves, the depth of reflector and the offset, the horizontal distance between source and the converting point can be determined by solving a quartic equation.
对具有较大平面的岩块，可以利用纵波探头测定横波速度。
However, the velocity of S-wave in a rock block with a large plane can be measured with the probes for P-wave.
纵波的固有频率因仪器的存在而增大，纵波幅度还受地层的纵、横波速度比的影响。
The intrinsic frequency of P-wave increases because of existence of apparatus and its amplitude has been influenced by velocity ratio of P-wave vs S-wave.
提取出其中的纵波、横波速度信息，并与实验室岩心声波测量结果和测井结果进行了对比。
With the measured P and S wave velocities and log-derived densities of the same interval, rock mechanical parameters of this pre-borehole are roughly calculated.
提取出其中的纵波、横波速度信息，并与实验室岩心声波测量结果和测井结果进行了对比。
With the measured P and S wave velocities and log-derived densities of the same interval, rock mechanical parameters of this pre-borehole are roughly calculated.
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