M. Engelsberg, C.S. Yannoni, et al.
Journal of Physical Chemistry
Paper
A method for polarizing protons by proton-chlorine rotating frame cross-relaxation in high magnetic fields
Abstract
A new technique is demonstrated for polarizing protons in high dc magnetic fields. The method has been used successfully on polycrystalline samples at an arbitrary dc magnetic field strength without recourse to rotation of the sample or cycling to low or zero field. © 1975.
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