| 摘要 |
The nuclear magnetic resonance spectrum of a sample, which is a target material analyzed, and changes in relaxation times of nuclear magnetic resonance signals are measured while the sample is irradiated with terahertz waves containing frequency components corresponding to peak portions of absorption or reflectance spectrum of the sample. On the basis of the changes in relaxation times, the relationship between peak portions and information about a three-dimensional structure, conformational alteration, molecular relaxation, and the like is observed, the peak portions being in the absorption or reflectance spectrum in the terahertz range of the sample.
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