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	<id>https://wiki.iac.isu.edu/index.php?action=history&amp;feed=atom&amp;title=Shielding_Materials</id>
	<title>Shielding Materials - Revision history</title>
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	<updated>2026-05-08T18:49:02Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.iac.isu.edu/index.php?title=Shielding_Materials&amp;diff=74573&amp;oldid=prev</id>
		<title>Shaproma at 19:04, 24 May 2012</title>
		<link rel="alternate" type="text/html" href="https://wiki.iac.isu.edu/index.php?title=Shielding_Materials&amp;diff=74573&amp;oldid=prev"/>
		<updated>2012-05-24T19:04:19Z</updated>

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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 19:04, 24 May 2012&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Line 1:&lt;/td&gt;
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&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;http&lt;/del&gt;://wiki.iac.isu.edu/index.php/&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;HRRL_RS go back&lt;/del&gt;]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;https&lt;/ins&gt;://wiki.iac.isu.edu/index.php/&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Roman_calculation Go Back&lt;/ins&gt;]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;=Iron Fe=&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;=Iron Fe=&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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		<author><name>Shaproma</name></author>
	</entry>
	<entry>
		<id>https://wiki.iac.isu.edu/index.php?title=Shielding_Materials&amp;diff=72686&amp;oldid=prev</id>
		<title>Shaproma: Created page with '[http://wiki.iac.isu.edu/index.php/HRRL_RS go back]  =Iron Fe=  *Naturally occurring iron consists of four stable isotopes: 5.845% of 54Fe, 91.754% of 56Fe, 2.119% of 57Fe and 0.…'</title>
		<link rel="alternate" type="text/html" href="https://wiki.iac.isu.edu/index.php?title=Shielding_Materials&amp;diff=72686&amp;oldid=prev"/>
		<updated>2012-04-07T03:17:23Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;#039;[http://wiki.iac.isu.edu/index.php/HRRL_RS go back]  =Iron Fe=  *Naturally occurring iron consists of four stable isotopes: 5.845% of 54Fe, 91.754% of 56Fe, 2.119% of 57Fe and 0.…&amp;#039;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[http://wiki.iac.isu.edu/index.php/HRRL_RS go back]&lt;br /&gt;
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=Iron Fe=&lt;br /&gt;
&lt;br /&gt;
*Naturally occurring iron consists of four stable isotopes: 5.845% of 54Fe, 91.754% of 56Fe, 2.119% of 57Fe and 0.282% of 58Fe. [http://en.wikipedia.org/wiki/Iron Wikipedia]&lt;br /&gt;
&lt;br /&gt;
*Sum of all reactions not given explicitly in another MT number [http://www.nndc.bnl.gov/ NNDC]&lt;br /&gt;
&lt;br /&gt;
[[File:FE54 56 57 sigma.png | 600px]]&lt;br /&gt;
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=Lead Pb=&lt;br /&gt;
&lt;br /&gt;
*Lead can be found or produced in many isotopes, with three of them being stable. The four natural isotopes of lead are 204Pb, 206Pb, 207Pb, and 208Pb with the slightly radioactive 204Pb regarded as completely primordial lead [http://en.wikipedia.org/wiki/Lead Wikipedia]&lt;br /&gt;
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*Sum of all reactions not given explicitly in another MT number [http://www.nndc.bnl.gov/ NNDC]&lt;br /&gt;
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[[File:PB206 207 208 sigma.png | 600 px]]&lt;/div&gt;</summary>
		<author><name>Shaproma</name></author>
	</entry>
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