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Fig. 13


Abundance ratios (NH2D∕NH3)∕(NHD2∕NH2D) and (NHD2∕NH2D)∕(ND3∕NHD2) as functions of time in the H-MM1 core model. The blue, red, and green curves represent the FS model, the PH model, and the PHalt model, respectively.

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