目的探讨连续波多普勒超声在评估二尖瓣返流患者的肺动脉楔压中的作用。
To confirm the utility of continuous wave Doppler echocardiography in assessing pulmonary artery wedge pressure in patients with mitral regurgitation.
本文对具有断裂结构扰流柱的涡轮叶片尾缘楔型通道的流动与换热过程进行了实验研究。
The heat transfer and characteristics of the fluid flow in the duct of the trailing edge of the turbine blade with parted pin-fin arrays were experimentally investigated.
本文对具有断裂结构扰流柱的涡轮叶片尾缘楔型通道的流动与换热过程进行了实验研究。
The heat transfer and characteristics of the fluid flow in the duct of the trailing edge of the turbine blade with parted pin-fin arrays were experimentally investigated.
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