Measuring the Dynamic Elastic Parameters of core by Pulse Laser Holography 用脉冲激光全息干涉法测量岩芯的动态弹性参数
Reflection and refraction of an elastic pulse at a frictional contact interface between two anisotropic media is studied theoretically in this paper. 研究了脉冲波在一般各向异性介质摩擦接触界面上的反射和折射问题。
The rule of pulse wave propagation in blood vessel was studied. The viscosity of blood, the elastic modulus of blood vessel and the radius of tube that influenced the pulse wave propagation were analyzed. 通过理论分析对脉搏波在血管中的传播规律进行研究,同时分析了血液粘性、血管壁弹性模量、管径对波的传播的影响。
Relationship between arterial elastic function indexes and pulse pressure 动脉弹性功能参数与脉压的关系
Approach to Theoretical Elastic Characteristic of Standard Force Pulse Former 标准力脉冲成形器的理论弹性特性曲线探讨
Under the different confining pressure, a suit of elastic velocities reservoir sandstones with widely varying petro-physical properties was measured using ultrasonic pulse transmission technique. 在不同围限压力下,利用超声波脉冲透射法对一套物性参数变化较大的储层砂岩弹性波速度进行了实验测量。
In addition, the elastic wave speed and the density and porosity are obtained by using pulse method and liquid-soaking method respectively. 此外,还采用脉冲法给出了弹性波速度;液体浸透法给出了密度和孔隙度。
The elastic dynamic pulse buckling of a thin cylindrical shell under radial cosinoidal impulse 径向余弦冲击的长圆柱壳弹性脉冲屈曲
Interaction of an Elastic Pulse with a Frictional Contact Interface Between Two Dissimilar Anisotropic Solids 弹性波与各向异性介质摩擦接触界面的相互作用
The results dedicated that the vibration test method based on high-speed photography imaging technology was useful for vibration measurement of working elastic bundle and after pulse harmonic excitation the vertical vibration frequency of elastic bundle was fixed and its vibration amplitude decayed over times. 结果表明:基于高速摄像技术的振动测试方法可用于工作状态弹性管束的振动特性测量;在竖直方向脉冲激振后,弹性管束竖直方向振动频率固定且其振动振幅随时间衰减,符合振动基本规律。
First researches the left ventricle model and the dual elastic chamber model from the generation and propagation mechanism of human pulse wave. 首先从人体脉搏波的产生和传播机理出发,研究左心室模型及双弹性腔模型进而研究确定人体动脉系统的脉搏波数学模型。