Seismic PKP arrivals are sensitive to P velocity structure in the lowermost mantle.
PKP震相包含了下地幔底部P波速度结构的重要信息。
Well, at point P, the velocity vector QP is perpendicular to the line QP, 1 so the sine of that angle is one.
点P，速度向量,垂直于直线，所以该角的正弦值为。
The result showed that systolic peak velocity of bottom cerebral arteries in heroin addicts was much higher than that of the normal control group (P<0.01).
结果表明观察组脑底动脉收缩期峰值血流速度明显高于正常对照组，差异非常显著（P＜0．01）；
And the velocity of slow compressional-wave (P-wave) is in direct proportion to the porosity and the density of fluid.
而慢纵波的速度则和孔隙度和流体的密度成正比。
Results:the effect of TNC was superior than that of RAM(P < 0.05), and the improvement of blood rheology, blood volume and mean blood velocity of vertebral artery corresponded to the curative effect.
结果：三步针罐组疗效优于常规针灸组（P<0.05），患者椎动脉血流量、平均血流速度、血液流变学指标的改善情况与临床疗效相一致。
The result is applied to analysis of velocity and stacking of the P-SV converted-wave.
将这一结果应用于P-SV转换波的速度分析和叠加处理中。
For the tight sandstone containing gas, only velocity ratio of P wave to s wave and Poisson ratio are sensitive to fluid variation.
而对于致密含气砂岩，纵、横波速度比及泊松比对流体变化相对较为敏感。
Moreover, investigated the relation among the P wave velocity, the micro-crack in rock with the variation of core diameter.
探讨了岩石的微观裂隙、超声波速度与岩芯变形之间的关系。
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.
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 smaller the jet orifice with quicker jet velocity, the larger the color Doppler jet area(P<0.001).
射流口径越小（射流速度越大），射流面积越大（P＜0．001）。
The results show that the deep substance may uprise in this area, so the distribution of P-wave velocity, Q value distribution and VP/VS distribution are closely related to seismicity in this area.
结果表明在该地区很可能存在深层物质上升，从而表现出地震活动与P波速度场、Q值分布和VP/VS分布的相关性。
According to the properties of wave propagation in multiphase medium, the theoretical formulas for calculating the P-wave and S-wave velocity are deduced.
本文基于多相复合介质的波动传播特性，导出介质内纵、横波速的理论计算公式。
The velocity of the red blood cells and the two contrast agents had no significant difference(P>0.05).
两种造影剂在微循环内的流速与红细胞相似，差异无统计学意义（P>0.05）。
Meanwhile, it is also observed that the regions of negative anomalous P-wave velocity are enlarged by steps as the central loading is increased.
同时还观测到，P波速度负异常区随中心压力增加逐步扩大。
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.
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。
The paper recommended two methods for velocity analysis in VTI medium: non-hyperbolic P-wave velocity analysis and template method, which achieved practical and stable effects.
文中推荐VTI介质P波非双曲线速度分析及量板法两种方法，得到了较为实用、稳定的结果。
Portal vein diameter and velocity in the test group were significantly wider and slower respectively than the control group (P<0.05).
②门静脉左支血流速度实验组较正常组变慢（P<0.05）。③门静脉内径明显增宽时血栓或癌栓可能形成。
However, the velocity of S-wave in a rock block with a large plane can be measured with the probes for P-wave.
对具有较大平面的岩块，可以利用纵波探头测定横波速度。
Result: The mean glow velocity, velocity of flow during systole and diastole was shown to increase significantly 5, 10 minutes after mastication (P< 0.05).
结果：咀嚼5分钟和10分钟后的收缩期峰流速、舒张期末峰流速及平均峰流速均高于咀嚼前，有显著性差异（P<0.05）。
The numerical calculation shows that the restrained gas will reduce the velocity of P waves and increase the damping constants corresponding to P …
数值算例指出，束缚空气的存在将使P波速度降低而使其相应的阻尼常数增大，但对S波却无影响。
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 ;
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；
The bypass tract myocardial contraction velocity was much higher than that of control group( P < 0.05 ).
旁道所在节段的心肌收缩速度高于对照组（P <0 .0 5 ）。
Results:The peak systolic velocity and the time average velocity of the central retinal artery of the affected eyes were lower than those of the patients healthy eyes(P<0 0001).
结果：患眼的视网膜中央动脉收缩期峰值血流速度、平均血流速度均低于对侧眼（P＜0．0001）。
Get consistent rock parameters: P-wave velocity, porosity, and mineral properties of sands, fluid modulus and density.
获取一致的岩石参数：P波速度，孔隙度和砂体的矿物特性，流体模量和密度。
The treatment group's basilar artery blood flow velocity was slower than in SAH model group(P<0.05).
治疗组比SAH模型组基底动脉血流速度慢（P<0.05）。
Results The treated group had better effect than the control group in skin healing velocity and post-healing skin quality (P<0.05).
结果生肤灵治疗组在创面愈合速度和愈合后的皮肤质地方面优于常规外科换药对照组（P＜0.05）。
Theoretically, the velocity of a P wave can be calculated.
纵波的速度是可以计算出来的。
The basic field data are P-wave velocity values collected along a seismic profile conducted in the Bozhong Depression.
我们收集了渤中凹陷一条剖面的纵波速度资料。
The assumption is made that P-wave velocity, S-wave velocity, density and Q factor show lateral piecewise linear continuous variations in block media.
假定介质为块状，且块中纵，横波速度及密度、品质因数横向分段线性连续变化。
The assumption is made that P-wave velocity, S-wave velocity, density and Q factor show lateral piecewise linear continuous variations in block media.
假定介质为块状，且块中纵，横波速度及密度、品质因数横向分段线性连续变化。
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