http://metabolomics.jp/mediawiki/index.php?action=history&feed=atom&title=Element%3ATh
Element:Th - Revision history
2026-04-18T02:48:54Z
Revision history for this page on the wiki
MediaWiki 1.19.1
http://metabolomics.jp/mediawiki/index.php?title=Element:Th&diff=172739&oldid=prev
Adm at 21:23, 14 June 2011
2011-06-14T21:23:38Z
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<td colspan='2' style="background-color: white; color:black;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black;">Revision as of 21:23, 14 June 2011</td>
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<tr><td colspan="2"> </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"> </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;">Thorium was discovered in 1828 in the mineral thorite by Jons Berzelius.</ins></div></td></tr>
<tr><td colspan="2"> </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;">Its name comes after Thor (Scandinavian god of war).</ins></div></td></tr>
<tr><td colspan="2"> </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 is mildly radioactive and has 10 isotopes. Naturally occurring <sup>232</sup>Th goes 10 decay steps before reaching stable lead [[Element:Pb|<sup>208</sup>Pb]], and also emits thoron gas [[Element:Rn|<sup>220</sup>Rn]].</ins></div></td></tr>
<tr><td colspan="2"> </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"> </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;">トリウムは1828年にベルゼリウスによりトーライト中に発見されました。</ins></div></td></tr>
<tr><td colspan="2"> </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;">名前は北欧の軍神Thorに由来します。弱い放射能を持ち、10の同位体を持ちます。</ins></div></td></tr>
<tr><td colspan="2"> </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;">天然のトリウム <sup>232</sup>Th は10段階の崩壊を経て鉛 [[Element:Pb|<sup>208</sup>Pb]] になり、途中、ラドンガス [[Element:Rn|<sup>220</sup>Rn]] を出します。</ins></div></td></tr>
<tr><td colspan="2"> </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>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>{{Element</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>{{Element</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|Number=90</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|Number=90</div></td></tr>
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Adm
http://metabolomics.jp/mediawiki/index.php?title=Element:Th&diff=172738&oldid=prev
Editor at 11:00, 27 February 2008
2008-02-27T11:00:01Z
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<p><b>New page</b></p><div>{{Element<br />
|Number=90<br />
|Name=Thorium(トリウム)<br />
|Isotope=232Th - 232.0380495 - 100 = (Natural radioactivity isotope)<br />
|Radio=228Th - 1.9116 years - alpha<br />
230Th - 7.538 x 104 years - alpha<br />
231Th - 25.52 hours - beta-<br />
232Th - 1.405 x 1010 years - alpha<br />
233Th - 22.3 minuites - beta-<br />
}}</div>
Editor