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Table 6
Comparison of the chemical properties of regions 1 and 3.
| Region 1 | Region 3 | ||||||||
| Mean | SDEVa | | Δ b | | Mean | SDEV | | Δ | | ||||
|
|
|||||||||
| O+/H+ (×105) | 0.36 | 0.06 | 0.19 | 0.23 | 0.05 | 0.15 | |||
| O++/H+ (×105) | 2.83 | 0.31 | 0.90 | 3.37 | 1.09 | 3.16 | |||
| 12 + log (O/H) | 7.50 | 0.04 | 0.11 | 7.54 | 0.14 | 0.41 | |||
| N+/H+ (×106) | 0.09 | 0.02 | 0.06 | 0.05 | 0.02 | 0.05 | |||
| 12 + log (N/H) | 5.90 | 0.19 | 0.46 | 5.86 | 0.19 | 0.63 | |||
| log (N/O) | –1.60 | 0.16 | 0.39 | –1.68 | 0.10 | 0.38 | |||
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