「今から20億年前、ウランの鉱床で連鎖核分裂を起こす条件がそろい、偶然、天然の原子炉ができたわけです。…発生したエネルギーは、現在使われている100万キロワット級の原子炉5基を1年間全力で運転したときと同じ」

﹁今から20億年前、ウランの鉱床で連鎖核分裂を起こす条件がそろい、偶然、天然の原子炉ができたわけです。…発生したエネルギーは、現在使われている100万キロワット級の原子炉5基を1年間全力で運転したときと同じ﹂

blueribbon のブックマーク 2010/01/12 00:20

<blockquote class="hatena-bookmark-comment"><a class="comment-info" href="https://akarinohon.com/text/taketori.cgi/https://b.hatena.ne.jp/entry/8848084/comment/blueribbon" data-user-id="blueribbon" data-entry-url="https://b.hatena.ne.jp/entry/s/www.ies.or.jp/publicity_j/mini_hyakka/43/mini43.html" data-original-href="https://www.ies.or.jp/publicity_j/mini_hyakka/43/mini43.html" data-entry-favicon="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fwww.ies.or.jp%2Fpublicity_j%2Fmini_hyakka%2F43%2Fmini43.html" data-user-icon="/users/blueribbon/profile.png">第43号・天然原子炉</a><ul class="comment-tag" style="list-style: none; margin: 0px;"><li style="float: left">[<a href="https://akarinohon.com/text/taketori.cgi/https://b.hatena.ne.jp/q/%25E7%2599%25BA%25E8%25A6%258B">発見</a>]</li><li style="float: left">[<a href="https://akarinohon.com/text/taketori.cgi/https://b.hatena.ne.jp/q/%25E3%2582%25A2%25E3%2583%2595%25E3%2583%25AA%25E3%2582%25AB">アフリカ</a>]</li><li style="float: left">[<a href="https://akarinohon.com/text/taketori.cgi/https://b.hatena.ne.jp/q/%25E5%259C%25B0%25E7%2590%2583">地球</a>]</li><li style="float: left">[<a href="https://akarinohon.com/text/taketori.cgi/https://b.hatena.ne.jp/q/%25E8%2587%25AA%25E7%2584%25B6">自然</a>]</li><li style="float: left">[<a href="https://akarinohon.com/text/taketori.cgi/https://b.hatena.ne.jp/q/%25E7%25A7%2591%25E5%25AD%25A6">科学</a>]</li><li style="float: left">[<a href="https://akarinohon.com/text/taketori.cgi/https://b.hatena.ne.jp/q/%25E3%2582%25A8%25E3%2583%258D%25E3%2583%25AB%25E3%2582%25AE%25E3%2583%25BC">エネルギー</a>]</li><li style="float: left">[<a href="https://akarinohon.com/text/taketori.cgi/https://b.hatena.ne.jp/q/%25E3%2581%2593%25E3%2582%258C%25E3%2581%25AF%25E3%2581%2599%25E3%2581%2594%25E3%2581%2584">これはすごい</a>]</li><li style="float: left">[<a href="https://akarinohon.com/text/taketori.cgi/https://b.hatena.ne.jp/q/%25E9%259B%2591%25E5%25AD%25A6">雑学</a>]</li><li style="float: left">[<a href="https://akarinohon.com/text/taketori.cgi/https://b.hatena.ne.jp/q/%25E3%2583%258D%25E3%2582%25BF">ネタ</a>]</li></ul><br><div class="tategaki" style="margin-top:10px;width:100%;">
<br style="display:none" /><span class="tktr-gyo" style="height:640px;margin:0 19px 180px 22px;font-size:19px;_width:19px;/width:19px;"><span class="char"">﹁</span><span class="char"">今</span><span class="char"">か</span><span class="char"">ら</span><span class="ltr">20</span><span class="char"">億</span><span class="char"">年</span><span class="char"">前</span><span class="tou-ten">、</span><span class="char"">ウ</span><span class="char"">ラ</span><span class="char"">ン</span><span class="char"">の</span><span class="char"">鉱</span><span class="char"">床</span><span class="char"">で</span><span class="char"">連</span><span class="char"">鎖</span><span class="char"">核</span><span class="char"">分</span><span class="char"">裂</span><span class="char"">を</span><span class="char"">起</span><span class="char"">こ</span><span class="char"">す</span><span class="char"">条</span><span class="char"">件</span><span class="char"">が</span><span class="char"">そ</span><span class="char"">ろ</span><span class="char"">い</span><span class="tou-ten">、</span></span><span class="tktr-gyo" style="height:640px;margin:0 0 180px 22px;font-size:19px;_width:19px;/width:19px;"><span class="char"">偶</span><span class="char"">然</span><span class="tou-ten">、</span><span class="char"">天</span><span class="char"">然</span><span class="char"">の</span><span class="char"">原</span><span class="char"">子</span><span class="char"">炉</span><span class="char"">が</span><span class="char"">で</span><span class="char"">き</span><span class="char"">た</span><span class="char"">わ</span><span class="char"">け</span><span class="char"">で</span><span class="char"">す</span><span class="ku-ten">。</span><span class="cho-on" style="width:19px;height:19px;">…</span><span class="char"">発</span><span class="char"">生</span><span class="char"">し</span><span class="char"">た</span><span class="char"">エ</span><span class="char"">ネ</span><span class="char"">ル</span><span class="char"">ギ</span><span class="cho-on" style="width:19px;height:19px;">ー</span><span class="char"">は</span><span class="tou-ten">、</span><span class="char"">現</span><span class="char"">在</span></span><span class="tktr-gyo" style="height:640px;margin:0 0 180px 22px;font-size:19px;_width:19px;/width:19px;"><span class="char"">使</span><span class="char"">わ</span><span class="char"">れ</span><span class="char"">て</span><span class="char"">い</span><span class="char"">る</span><span class="latin" style="width:19px;height:19px;">1</span><span class="latin" style="width:19px;height:19px;">0</span><span class="latin" style="width:19px;height:19px;">0</span><span class="char"">万</span><span class="char"">キ</span><span class="char"">ロ</span><span class="char"">ワ</span><span class="kogaki">ッ</span><span class="char"">ト</span><span class="char"">級</span><span class="char"">の</span><span class="char"">原</span><span class="char"">子</span><span class="char"">炉</span><span class="ltr">5</span><span class="char"">基</span><span class="char"">を</span><span class="ltr">1</span><span class="char"">年</span><span class="char"">間</span><span class="char"">全</span><span class="char"">力</span><span class="char"">で</span><span class="char"">運</span><span class="char"">転</span><span class="char"">し</span></span><span class="tktr-gyo" style="height:640px;margin:0 0 180px 22px;font-size:19px;_width:19px;/width:19px;"><span class="char"">た</span><span class="char"">と</span><span class="char"">き</span><span class="char"">と</span><span class="char"">同</span><span class="char"">じ</span><span class="char"">﹂</span><br style="display:none" /></span>
<span style="display:block;clear:right"></span></div><a class="datetime" href="https://akarinohon.com/text/taketori.cgi/https://b.hatena.ne.jp/blueribbon/20100112#bookmark-8848084"><span class="datetime-body">2010/01/12 00:20</span></a></blockquote><script src="https://b.st-hatena.com/js/comment-widget.js" charset="utf-8" async></script>

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