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. Author manuscript; available in PMC: 2009 Jun 1.
Published in final edited form as: Acad Radiol. 2008 Jun;15(6):683–692. doi: 10.1016/j.acra.2007.09.020

Fig. 7.

Fig. 7

Largest 129Xe polarization numbers achieved during preliminary tests at optimum found operating parameters of 160°C temperature, 500 torr total pressure, 1350 sccm total flow, and ~125 torr nitrogen partial pressure. Polarization numbers are fitted with an empirical exponential curve.