The gas hold-up, circulation ratio and the volumetric transfer coefficient of liquid in reactor with a separate plate of different sizes were investigated.
研究了不同宽度的隔板式环流反应器中的气含率，循环比和体积传递系数。
The coefficient of variation of left ventricular function indicators in breath-hold cine MRI measured is less than that echocardiography measured.
屏气电影MRI测量左室功能指标的变异系数均小于超声心动图测量左室功能指标的变异系数。
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