http://metabolomics.jp/mediawiki/index.php?action=history&feed=atom&title=Element%3AU 2026-05-17T23:30:48Z Revision history for this page on the wiki MediaWiki 1.19.1 http://metabolomics.jp/mediawiki/index.php?title=Element:U&diff=172744&oldid=prev 2011-06-14T21:12:14Z

<p></p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 21:12, 14 June 2011</td> </tr><tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">{{Twocolumn|</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">It was first isolated by Peligot in 1841. Its name comes from Uranus (Greek goddess of astronomy). In ancient Rome, pitchblende was used to stain glass into rich yellow. Its mass is 18.9, almost as heavy as gold (19.3).</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">It has 16 radioactive isotopes, and &lt;sup&gt;238&lt;/sup&gt;U yeilds [[Element:Pu|plutonium (&lt;sup&gt;239&lt;/sup&gt;Pu)]].</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">|</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">ウランが最初に単離されたのは1841年、Peligot によります。名前は天文学のギリシャ神Uranusから。古代ローマではウラン鉱をガラスを黄色に染色するのに使いました。質量は18.9あり、金(19.3)に匹敵します。</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">放射性同位体を16持ち、&lt;sup&gt;238&lt;/sup&gt;U は[[Element:Pu|プルトニウム&lt;sup&gt;239&lt;/sup&gt;Pu]] を生むので重要。</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">}}</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>{{Element</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>{{Element</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|Number=92</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>|Number=92</div></td></tr> </table>

Adm http://metabolomics.jp/mediawiki/index.php?title=Element:U&diff=172743&oldid=prev 2008-02-27T11:00:01Z

<p></p> <p><b>New page</b></p><div>{{Element<br /> |Number=92<br /> |Name=Uranium(ウラン)<br /> |Isotope=234U - 234.0409447 - [0.0054(5)] = (Natural radioactivity isotope)<br /> 235U - 235.0439222 - [0.7204(6)] = (Natural radioactivity isotope)<br /> 238U - 238.0507835 - [99.2742(10)] = (Natural radioactivity isotope)<br /> |Radio=232U - 68.9 years - alpha<br /> 233U - 1.592 x 105 years - alpha, SF<br /> 234U - 2.455 x 105 years - alpha, SF<br /> 235U - 7.038 x 108 years - alpha, SF<br /> 237U - 6.75 days - beta-<br /> 238U - 4.468 x 109 years - alpha, SF<br /> 239U - 23.45 minuites - beta-<br /> }}</div>

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