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<td><span class="ltx_Math math v1">\(\Delta^{18}O_{\text{LW}}=\ \phi_{x}\left(\Delta^{18}O_{e}e^{{-P}_{r}}\right)+\left(1-\phi_{x}\right)\left(\Delta^{18}O_{e}\frac{1-e^{{-P}_{m}}}{P_{m}}\right)\)</span></td>
<td>Equation 10</td>
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