Table 5: Injection and saturation times for the grain mantles and the grain cores for a medium with an initial H2 density of n0=105 cm-3.
  Mantles Cores
  $v_{\rm s}$ (km s-1) $v_{\rm s}$ (km s-1)
  10 20 30 40 10 20 30 40
  Inj. Sat. Inj. Sat. Inj. Sat. Inj. Sat. Inj. Sat. Inj. Sat. Inj. Sat. Inj. Sat.
H2 $\ldots$ $\ldots$ 14.6 16.3 6.3 8.2 4.6 6.0 $\ldots$ $\ldots$ $\ldots$ $\ldots$ $\ldots$ $\ldots$ $\ldots$ $\ldots$
He $\ldots$ $\ldots$ 7.4 10.1 4.4 6.3 3.4 5.0 $\ldots$ $\ldots$ $\ldots$ $\ldots$ $\ldots$ $\ldots$ $\ldots$ $\ldots$
C $\ldots$ $\ldots$ 4.4 6.4 2.9 4.9 2.3 4.1 $\ldots$ $\ldots$ $\ldots$ $\ldots$ $\ldots$ $\ldots$ $\ldots$ $\ldots$
O 9.8 14.4 3.7 6.0 2.5 4.7 2.1 3.9 $\ldots$ $\ldots$ $\ldots$ $\ldots$ $\ldots$ $\ldots$ 9.2 10.4
Si 6.9 10.5 2.9 5.7 2.1 4.3 1.8 3.6 $\ldots$ $\ldots$ $\ldots$ $\ldots$ 10.5 11.9 6.2 6.6
Fe 4.5 8.6 2.3 5.1 1.8 3.5 1.3 2.6 $\ldots$ $\ldots$ $\ldots$ $\ldots$ 5.9 6.5 4.3 4.8
CO 6.5 10.5 2.9 5.7 2.1 4.3 1.8 3.6 $\ldots$ $\ldots$ $\ldots$ $\ldots$ 10.2 11.9 6.1 6.6
all 4.5 10.5 2.3 5.7 1.8 4.4 1.3 4.6 $\ldots$ $\ldots$ $\ldots$ $\ldots$ 5.9 11.9 4.3 6.6
$\textstyle \parbox{15cm}{ {\tiny Note}. The injection and saturation times are given in yr.}$


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