稳态自由进动在极缓慢流体流动研究中的应用。
The application of steady-state free precession to the study of very slow fluid flow.
作者信息
Patz S, Hawkes R C
出版信息
Magn Reson Med. 1986 Feb;3(1):140-5. doi: 10.1002/mrm.1910030121.
PMID:3959879
Abstract
An NMR imaging technique sensitive to slow flow (approximately 1 mm/s) using a conventional imaging gradient strength (0.025 mT/cm) is described. Two projections with different spatial magnetic periodicity (determined by the SSFP pulse interval), and thus with different flow sensitivities, are subtracted to give signal from flows in a velocity window.
摘要
本文描述了一种核磁共振成像技术，该技术使用传统成像梯度强度（0.025 mT/cm）对缓慢流动（约1 mm/s）敏感。减去两个具有不同空间磁周期（由稳态自由进动脉冲间隔确定）、因而具有不同流动敏感度的投影，以得到速度窗口内流动的信号。
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