The quantification of mitral stenosis by using a new color Doppler flow convergence method was evaluated, and compared with two -dimensional echocardiography, pressure half- time and combined method.
本研究应用彩色多普勒血流会聚新方法评价了对二尖瓣狭窄的定量诊断，并与二维超声、压力降半时间及综合法测量二尖瓣狭窄进行了比较。
The method of mass flux correction is introduced with success in order to accelerate convergence in iteration of velocity and pressure calculation.
为了加速速度和压力迭代的收敛性成功地引入了质量流量校正法。
Numerical calculations for sudden expansion pipe flow have shown that the secondary pressure correction method can clearly accelerate convergence, improve accuracy and save C. P. U time.
对突扩管道流动的数值表明，该方法可以明显地加快收敛速度，提高计算精度和节省计算机时。
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