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(5)撮像法の種類と特徴 - AIST

O . T1,T2,T2*). T1,T2,T2*). T1). D). 1.. 1H PD .. 13C T1 .. 19F FID T2 . = 23Na echo T2* .. 31P D MRS .. echo T1 T2 FT . FID T FT . echo D FT . FID T (T2) FT . FID T2 FT . P FID PD . 2. o . 3.. TE . TE=0 .. TE = 8msec TE 4. T1,T2,T2*). 5. IR T1 .. RF. G .. G . Gr .. TI TE/2 TE/2 . TI: TE. TE: TR. TR: 6. T1 . 100. B T1=1000msec, =100 . A T1=300msec, =50 . 50.. 0. 0 500 1000 1500 2000 70 2500. 60. -50.. 50. 40. -100 30 A B. 20. 10. 0. 0 500 1000 1500 2000 2500 3000. A B TI. FLAIR fluid attenuated inversion recovery . null point . STIR Short TI Inversion Recovery . T 7. SE T . 180 . 90 180 . RF. Gs . Gp .. Gr . Signal . (TE/2) (TE/2). TE: . TR: .. 8. T2 Weighted MRI of a Rat Head TR = 2748msec (Spin Echo). TE = 8msec TE = 34msec TE = 59msec TE = 84msec T2 . T2 . 9. TE. T2).

速度エンコーディング(VENC :Velocity Encoding) 21 血流イメージングのためのパルスシーケンス(PC法) Signal Slice Selection RF Gs Gr Phase Encoding ... Signal Acquisition 位相コントラスト法 velocity encoding 流速エンコーディング. 22 Flow Imaging

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  Flows, Imaging, Velocity, Encoding, Flow imaging, Velocity encoding

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Transcription of (5)撮像法の種類と特徴 - AIST