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<p>which is used in ammonia <a href="page.php?w=maser">maser</a>s.</p>

<p><big>Examples</big></p>
<p>The inversion of ammonia was first detected by <a href="page.php?w=microwave_spectroscopy">microwave spectroscopy</a> in 1934.</p>

<p>In one study the inversion in an <a href="page.php?w=aziridine">aziridine</a> was slowed by a factor of 50 by placing the nitrogen atom in the vicinity of a <a href="page.php?w=phenol">phenol</a>ic alcohol group compared to the oxidized <a href="page.php?w=hydroquinone">hydroquinone</a>.</p>

<p><a href="page.php?w=Image%3ANitrogeninversionexample.png">400px</a>The</p><p>
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