Objective: to evaluate the feasibility and accuracy of MR phase-contrast cine technique in cerebral blood flow quantification by establish appropriate flow phantoms.
目的：通过建立适当的流体模型，评价磁共振相位对比电影法对流体定量测量的可行性及准确性。
Purpose: to evaluate the feasibility and accuracy of MR phase-contrast cine technique in cerebrospinal fluid and cerebral blood flow quantification by establish appropriate flow phantoms.
目的：通过建立适当的流体模型，评价磁共振相位对比电影法对流体定量测量的可行性及准确性。
The value of flow convergence and jet parameters in quantification of mitral regurgitation was estimated.
用血流会聚新方法及射流参数对二尖瓣返流定量的价值进行了研究。
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 and the device can realize short-flow preparation of non-oxidation and good-quality metal semisolid size, as well as the accurate quantification and temperature control of molten metal.
本发明的方法和装置可满足短流程制备无氧化、质量良好的金属半固态浆料，同时可实现金属液的准确定量和温度控制。
Objective To evaluate the feasibility of myocardial contrast echocardiography (MCE) in the quantification of myocardial blood flow (MBF).
目的评价心肌对比超声心动图测定心肌血流量的可行性。
Objective To evaluate the feasibility of myocardial contrast echocardiography (MCE) in the quantification of myocardial blood flow (MBF).
目的评价心肌对比超声心动图测定心肌血流量的可行性。
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