Relaxation-time measurement and imaging in the earth's magnetic field

Relaxation-time measurement and imaging in the earth's magnetic field
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地球磁场弛豫时间测量和成像

DOI：
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发表时间：
1994
期刊：
影响因子：
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通讯作者：
M. Kos
M. Kos
中科院分区：
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文献类型：
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作者：
G. Planinšič;J. Stepisink;M. Kos

文献摘要

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摘要利用场循环自旋制备技术，对地磁场中的核磁弛豫时间成像和测量进行了研究。介绍了一种新的脉冲技术-磁化相减技术，它相当于强磁场中的反转恢复。本文介绍了两种单扫描测量地磁场中自旋-晶格弛豫时间的新技术。首次给出了在地磁场中用弛豫时间加权的结果。
Abstract Investigation of nuclear magnetic relaxation-time imaging and measurement in the earth′s magnetic field using field-cycling spin preparation has been performed. A new pulse technique named magnetization subtraction, which is equivalent to inversion recovery in a strong magnetic field, is introduced. Two new techniques for single-scan measurement of spin-lattice relaxation times in the earth′s magnetic field are described. The results of image weighting with relaxation times in the earth′s magnetic field are presented for the first time.