p-wave中文什么意思

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1. 2 ) the effects on waves conversion are stronger in rocks with dry fractures than that in rocks with water - filled fractures , and s - waves attenuate more rapidly in rocks with water - filled fractures . 3 ) the explosive point source which locates in anisotropic media can excites not only p - waves but also s - waves . 4 ) the properties of waves propagation were discussed and compared for several point sources with different source functions
   结果表明： 1 )平行排列裂缝造成的各向异性使波前变宽； 2 )含干裂缝岩石对波型转化的影响比含充水裂缝岩石的大，横波在含充水裂纹中传播时衰减较快； 3 )当介质存在各向异性时，爆炸点源产生的波不仅有纵波，还有横波； 4 )通过改变点源函数研究不同点源所产生波以及波型的转换。
2. 2 ) the dynamic responses of the saturated soil are analyzed respectively when the normal incident waves from bottom boundary are p - waves and sv - waves . the responses of the soil skeleton and the pore fluid are studied , while the influences of different permeability coefficient and the surmounting loads on the dynamic responses of two - phase media are expounded
   分别进行了在底边界p波与sv波垂直入射时饱和土的动力响应分析，研究了动力作用下土骨架和孔隙流体的反应，同时阐述了渗透系数和上覆荷载对两相介质动力响应的影响。
3. The quantitative relation of both the p - wave particle displacement proportion to charge and the root mean square of amplitude proportion to the 3 / 2 root of cavity radius was obtained , then the elongated charge , and the vertical delay stacked source , and the concentrating energy source , and the detonating seismic hammer , and opposite collision source were developed
   本文基于球腔震源的纵波位移方程、激发子波的振幅及频率与药量的关系等理论基础，总结了纵波质点位移与药量成正比、振幅谱均方根与空穴半径的3 2次方成正比的定量关系。
4. The results show that , in most samples there are some linear correlation between poisson ' s ratio anisotropy and p - wave velocity anisotropy ; while in some samples there are no significant correlation between them ; some samples even show totally opposite changes in poisson ' s ratio anisotropy and p - wave velocity anisotropy
   结果表明，在大部分样品中泊松比各向异性与纵波速度各向异性有一定的相关性，但在有的样品中泊松比各向异性与纵波速度各向异性没有明显的关系，甚至表现出完全相反的变化规律。
5. On the contrary , the degree of saturation plays an important role on p - wave propagation , if incidence is 90 degree . the amplification factor on surface related to the response of bedrock is the biggest if the media is one - phase media , and the factor is the smallest if the media is unsaturated media ( sr > = 90 % )
   P波从底边界垂直入射时，饱和度对地表土层的反应有显著的影响。就地表土层位移和加速度相对于基岩的放大倍数来说，一般有这样的规律：单相土的放大倍数最大，欠饱和土的放大倍数最小，饱和土的放大倍数居中。