Objective:To study on reliability and reliable indexes of quantitative assessment of coronary flow reserve(CFR)by time intensity curve(TIC)with myocardial contrast echocardiography.
目的:探讨心肌声学造影时间-强度曲线(TIC)各项参数定量评价冠脉血流储备(CFR)的可靠性及反映CFR的可靠指标。
Under the conditions of constant pressure boundary, when the time approaches to infinity, the curve between the flow rate and the bottom hole pressure is so called conventional IPR curve.
对于定压边界,当时间趋向于无穷大时,气井产量与井底压力关系曲线即是我们常用的IPR曲线(不妨称为常规IPR曲线或稳定IPR曲线)。
Based on the standard of the residual time distribution curve (RTD curve), the flow control devices in the slab tundish were optimized by numerical simulation method.
以某钢厂板坯连铸中间包为原型,利用数学模拟方法,以钢液停留时间分布曲线(RTD曲线)为评判标准,对目前使用的中间包内控流装置进行了优化。
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