Optical heterodyne magneticrotation enhanced velocity modulation spectroscopy (OH-MR-VMS) is an absorption spectroscopic technique for selective detection of the molecular ions.
光外差磁旋转速度调制光谱技术是一种对离子分子选择性测量的高灵敏激光吸收光谱技术。
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Optical heterodyne Zeeman modulation magneticrotation spectroscopy (OHZM MRS) is a high sensitive spectroscopy technique.