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- SPATIAL EVOLUTION OF WAVE VELOCITY RATIO ANOMALY AND PREDICTION OF MAIN EARTHQUAKE LOCATION 波速比异常空间演化与主震位置预测
- Study on Shear Wave Velocity Structure and Velocity Ratio Under the Ordos Plate and Its Southeastern Marginal Areas 鄂尔多斯块体及其东南缘剪切波速度结构与波速比研究
- Plain distribution of wave velocity ratio in Tangshan region and its surrounding areas 唐山地区及其外围地区波速比的平面分布
- The measurement and research of average wave velocity ratio in Anhui Province and surroundings 安徽及邻区平均波速比的测定及研究
- Average wave velocity ratio 平均波速比
- wave velocity ratio 分区
- Meanwhile, the spectrum is also related to the shock wave velocity. 光谱的结构特征也依赖于激波的速度。
- Surface wave velocity image has a contrast effect on detecting karst body. 以及面波速度映像成图对岩溶体探测起到了全面追溯和对比作用，进行了分析研究。
- The 3D anti 3C seismic processing flow established is used in processing of the real seismic data, achieving high quality velocity ratio spectrum and good non-hyperbolic NMO correction and stacking of 3D converted wave. 应用所建立的三维三分量地震资料处理流程，对某实际地震资料进行了处理，得到了较高质量的三维转换波速度比谱，转换波非双曲动校正和叠加取得了较好效果。
- THEORETIC STUDY OF FINAL GAS-SOLID VELOCITY RATIO FOR POWDER-GAS DENSE-PHASE CONVEYING IN A HORIZONTAL TUBE? 水平管道粉气浓相输送最终固气速度比的理论研究?
- A surface at which seismic wave velocities change. 不连续面间断面，地震波速度突变面
- The effects of water ratio, crack, strain and temperature on the acoustic wave velocity in granite samples were investigated systematically by means of TICO, an ultrasonic concrete tester. 摘要应用超声波混凝土测试仪(TICO)，系统研究了含水率、裂纹、应力和温度对花岗岩内波速传播的影响。
- The dominant vortical structure in the wake of the impinging jet in crossflow is primarily dependent on the velocity ratio. 横流冲击射流中形成的主要尾迹涡结构主要依赖于流速比。
- The continuum phase-coupling model is firstly used to derive the particle-gas disturbance velocity ratio equation of the injection area of jet. 利用双流体模型和扰动速度势理论，推得位于射流喷射区高浓度悬浮固粒的固气扰动复速度比值方程。
- All these indicate that the acoustic wave velocity in granite samples is affected by several extrinsic factors and some rules may be found. 实验结果表明，声波在岩石内传播速度受很多外在因素影响，并具有一定的传播规律。
- Compressional wave velocity based on Two-Phase theory is used to estimate gas hydrate and free gas saturation. 目前大多通过双相介质理论的纵波速度来估计水合物和游离气的饱和度。
- The proximal and distal average peak velocity(APV),diastolic/systolic velocity ratio(DSVR),coronary flow reserve(CFR)and proximal/distal velocity ratio(P/DVR)were measured. 用CardiometricsFlomapII和0.;014英寸多普勒钢丝测量：近端及远端平均峰速（APV）、舒张期与收缩期流速比（DSVR）、血流储备（CFR）和近端与远端流速比（P/DVR）。
- Principle of saturated sand cyclic liquefaction evaluation by shear wave velocity was presented. 摘要介绍了应用剪切波速判别饱和砂土振动液化的原理；
- There was no significant difference in the proximal/distal velocity ratio (P/DVR) before and after PTCA(P>0 05),but P/DVR was obviously decreased after stenting (P<0 05). PTCA前后 P/ DVR差别无显著意义 ;但植入支架后则明显下降 (P<0 .;0 5 )。
- The tomographic images in different depths show that the P, S wave velocity perturbation orientates NW direction. 成像结果表明：不同深度的P波、S波速度扰动呈北西向展布特征；
