Comparative study of reconstructed impedance cardiogram and radio-nuclide ventriculography in detection of left ventricle ejection fraction;
重建心阻抗图与核素心室显像测定左室射血分数的对比研究
The simplified analysis solution of impendence function is obtained for the torsional vibration of the pile-soil interaction.
基于 Biot 动力固结方程,将平面应变假定应用于饱和土介质桩土相互作用中,研究了饱和土桩耦合扭转振动问题,得到了桩顶阻抗函数的简化解析解。