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   <head>
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      <title>Dew Point Temperature Formula</title>
   </head>
   <body>
      <h2 align="center">Dew Point Temperature Formula</h2>
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            <ci>T</ci>
            <ci>ambiant_temperature</ci>
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            <ci>RH</ci>
            <ci>relative_humidity</ci>
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         <apply>
            <eq/>
            <ci>a</ci>
            <cn type="real">17.27</cn>
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            <ci>b</ci>
            <cn type="real">237.7</cn>
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            <ci>Td</ci>
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                  <ci>&alpha;</ci>
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            <ci>dewpoint_temperature</ci>
            <ci>Td</ci>
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