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.

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。

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So it is one of the chief factors to set up measurement systems that can measure dielectric parameters of real tissues and equivalent phantom models, so as to carry through experimental studies.

所以，建立起能够测量生物组织和等效体模介电参数的测量系统，就成了进行实验研军口旱匡大单刃士学位论文究的首要条件之一。

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Purpose To introduce a selfmade solid calibration phantom for bone mineral density(BMD)measurement with quantitative CT(QCT).

目的报告一种自制骨矿密度CT测量固体标准件。

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