结论流动液体模型证明磁共振相位对比技术是一种客观、准确的流体定量测量技术，可用于临床血流定量研究。

Conclusion Phase-contrast MR imaging is proved to be an accurate and practical flow measurement technique in flow phantom study and can be used in quantitative study of blood flow clinically.

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目的：采用相位对比法磁共振成像(MRI)测量肺动脉血流量，探讨并评价两肺的血流灌注情况。

AIM: to measure the flow volume of pulmonary arteries by using phase contrast magnetic resonance imaging (MRI) and to investigate the values of phase contrast MRI in assessing pulmonary perfusion.

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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。

Objective: to evaluate the feasibility and accuracy of MR phase-contrast cine technique in cerebral blood flow quantification by establish appropriate flow phantoms.

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