{"id":19154,"date":"2011-01-06T11:12:56","date_gmt":"2011-01-06T03:12:56","guid":{"rendered":"http:\/\/highscope.ch.ntu.edu.tw\/wordpress\/?p=19154"},"modified":"2021-10-06T16:29:36","modified_gmt":"2021-10-06T08:29:36","slug":"%e9%80%a3%e9%8e%96%e5%8f%8d%e6%87%89%ef%bc%88chain-reaction%ef%bc%89","status":"publish","type":"post","link":"http:\/\/localhost\/%e9%80%a3%e9%8e%96%e5%8f%8d%e6%87%89%ef%bc%88chain-reaction%ef%bc%89\/","title":{"rendered":"\u9023\u9396\u53cd\u61c9"},"content":{"rendered":"

\u9023\u9396\u53cd\u61c9 (Chain Reaction)
\n<\/span>\u570b\u7acb\u5f70\u5316\u9ad8\u7d1a\u4e2d\u5b78\u7269\u7406\u79d1\u674e\u660e\u4e2d\u8001\u5e2b\/\u570b\u7acb\u81fa\u7063\u5e2b\u7bc4\u5927\u5b78\u7269\u7406\u7cfb\u8521\u5fd7\u7533\u6559\u6388\u8cac\u4efb\u7de8\u8f2f
\n<\/span><\/strong>
\n\u539f\u5b50\u5167\u90e8\u7d50\u69cb\u662f\u7531\u79d1\u5b78\u5bb6\u62c9\u585e\u798f\uff08Rutherford\uff09\u5148\u751f\u65bc 1911 \u5e74\u4ee5 $$\\alpha$$\u00a0\u7c92\u5b50\u9ad8\u901f\u649e\u64ca\u91d1\u7b94\u6240\u767c\u73fe\u7684\u3002\u5728\u9019\u80a1\u7814\u7a76\u539f\u5b50\u5167\u90e8\u7279\u6027\u7684\u98a8\u6f6e\u4e2d\uff0c\u7fa9\u5927\u5229\u7269\u7406\u5b78\u5bb6\u8cbb\u7c73\uff08Fermi\uff09\u5728 1934 \u5e74\u4ee5\u4e2d\u5b50\u649e\u64ca\u923e\u5143\u7d20\u5f8c\uff0c\u767c\u73fe\u6703\u6709\u65b0\u7684\u5143\u7d20\u7522\u751f\uff0c\u9019\u4e5f\u662f\u4eba\u985e\u7b2c\u4e00\u6b21\u767c\u73fe\u6838\u5206\u88c2\u53cd\u61c9\u3002<\/p>\n

\u5176\u5f8c\u7d93\u904e\u591a\u4f4d\u79d1\u5b78\u5bb6\u7684\u52aa\u529b\uff0c\u767c\u73fe\u5929\u7136\u7684\u923e\u5143\u7d20\u4e2d\u542b\u6709\u923e-238\u53ca\u923e-235\u5169\u7a2e\u540c\u4f4d\u7d20\uff0c\u5929\u7136\u923e\u4e2d\u923e-238\u7684\u542b\u91cf\u70ba $$99.3\\%$$\uff0c\u923e-235\u542b\u91cf\u5247\u53ea\u6709 $$0.7\\%$$\uff0c\u800c\u7d93\u4e2d\u5b50\u649e\u64ca\u5f8c\u53ea\u6709\u923e-235\u6703\u767c\u751f\u5206\u88c2\u53cd\u61c9\u3002<\/p>\n

\u5c0d\u923e\u7684\u539f\u5b50\u6838\u4ee5\u4e2d\u5b50\u649e\u64ca\uff0c\u5176\u53cd\u61c9\u904e\u7a0b\u70ba\uff1a\u4e00\u500b\u4e2d\u5b50\u649e\u64ca\u923e-235\u539f\u5b50\u6838\u5f8c\uff0c\u66ab\u6642\u5171\u540c\u5f62\u6210\u923e-236\u539f\u5b50\u6838\uff0c\u540c\u6642\u56e0\u5176\u5167\u90e8\u5438\u6536\u4e86\u8a72\u4e2d\u5b50\u7684\u80fd\u91cf\uff0c\u6545\u958b\u59cb\u4f5c\u5287\u70c8\u7684\u555e\u9234\u72c0\u9707\u76ea\uff0c\u82e5\u555e\u9234\u72c0\u7d50\u69cb\u56e0\u9707\u76ea\u904e\u5287\u800c\u74e6\u89e3\uff0c\u539f\u5b50\u6838\u5927\u7d04\u53ef\u4ee5\u5206\u88c2\u6210\u5169\u534a\uff0c\u7522\u751f\u5169\u500b\u8cea\u91cf\u8f03\u5c0f\u7684\u539f\u5b50\u6838\uff0c\u4e14\u653e\u51fa $$2$$ \u5230 $$3$$ \u500b\u65b0\u7684\u4e2d\u5b50\uff0c\u82e5\u9019\u4e9b\u4e2d\u5b50\u53ef\u518d\u6b21\u649e\u64ca\u5176\u4ed6\u923e\u539f\u5b50\uff0c\u5982\u6b64\u7e7c\u7e8c\u5206\u88c2\uff0c\u6b64\u5373\u6240\u8b02\u7684\u300c\u9023\u9396\u53cd\u61c9\u300d\u3002<\/p>\n

\u5728\u524d\u8ff0\u7684\u6838\u5206\u88c2\u53cd\u61c9\u88cf\uff0c\u53cd\u61c9\u5f8c\u7522\u751f\u5169\u500b\u8f03\u8f15\u7684\u539f\u5b50\u6838\u53ca $$2$$ \u81f3 $$3$$ \u500b\u4e2d\u5b50\u7684\u7e3d\u8cea\u91cf\u6bd4\u53cd\u61c9\u524d\u923e-235\u52a0\u4e0a\u4e00\u500b\u4e2d\u5b50\u7684\u7e3d\u8cea\u91cf\u5c0f\uff0c\u5176\u9593\u640d\u5931\u7684\u8cea\u91cf\u6703\u8b8a\u6210\u80fd\u91cf\uff1b\u800c\u6839\u64da\u611b\u56e0\u65af\u5766\uff08Einstein\uff09\u5728 1905 \u5e74\u63d0\u51fa\u7684\u7406\u8ad6\uff0c\u8cea\u91cf\u8b8a\u6210\u80fd\u91cf\u6642\uff0c\u5176\u8f49\u63db\u95dc\u4fc2\u70ba $$E=mc^2$$\uff0c\u800c\u5149\u901f\u662f\u4e00\u500b\u975e\u5e38\u5927\u7684\u6578\u503c\uff0c\u7d04\u662f\u6bcf\u79d2 $$3$$ \u5104\u516c\u5c3a\uff0c\u56e0\u6b64\u53ea\u8981\u6975\u5c0f\u7684\u8cea\u91cf\u5373\u53ef\u8b8a\u6210\u6975\u5927\u7684\u80fd\u91cf\u3002<\/p>\n

\u5728\u6975\u77ed\u6642\u9593\u5167\u53ef\u56e0\u9023\u9396\u53cd\u61c9\u800c\u7522\u751f\u5de8\u5927\u7684\u80fd\u91cf\uff0c\u539f\u5b50\u5f48\u5c31\u662f\u5229\u7528\u9019\u500b\u539f\u7406\u3002\u53cd\u61c9\u4e2d\u53ea\u8981\u6709 $$1$$ \u516c\u514b\u7684\u8cea\u91cf\u8f49\u5316\u6210\u80fd\u91cf\uff0c\u5247\u5a01\u529b\u76f8\u7576\u65bc $$16$$ \u842c\u516c\u5678\u9ec3\u8272\u70b8\u85e5\u767c\u751f\u7206\u70b8\uff0c\u53ef\u4ee5\u5728\u77ac\u9593\u6467\u6bc0\u6574\u500b\u57ce\u5e02\uff0c\u4e26\u9020\u6210\u6578\u5341\u842c\u4eba\u6b7b\u4ea1\u3002<\/p>\n

\u6838\u80fd\u767c\u96fb\u4e5f\u662f\u540c\u6a23\u5229\u7528\u923e\u539f\u5b50\u6838\u5206\u88c2\u7522\u751f\u7684\u80fd\u91cf\uff0c\u8207\u539f\u5b50\u5f48\u4e0d\u540c\u4e4b\u8655\uff0c\u5728\u65bc\u5c0d\u6838\u96fb\u5ee0\u7684\u6838\u5206\u88c2\u9023\u9396\u53cd\u61c9\u52a0\u4ee5\u6709\u6548\u63a7\u5236\uff0c\u4e0d\u8b93\u5b83\u767c\u751f\u5287\u70c8\u7206\u70b8\uff0c\u800c\u662f\u8b93\u6838\u5206\u88c2\u7de9\u6162\u4e26\u6301\u7e8c\u9032\u884c\uff0c\u5c07\u80fd\u91cf\u4ee5\u7d30\u6c34\u9577\u6d41\u7684\u65b9\u5f0f\u52a0\u4ee5\u5229\u7528\u3002<\/p>\n

\n

\u53c3\u8003\u8cc7\u6599<\/strong>
\n1.\u7dad\u57fa\u767e\u79d1–\u6838\u9023\u9396\u53cd\u61c9\u00a0\u00a0http:\/\/zh.wikipedia.org\/zh-hk\/\u6838\u9023\u9396\u53cd\u61c9<\/a>
\n2.TEENS\u6e05\u851a\u5712–\u9023\u9396\u53cd\u61c9\u00a0\u00a0http:\/\/vm.nthu.edu.tw\/science\/shows\/nue\/fission.html<\/a>
\n3.\u6838\u5206\u88c2\u7684\u9023\u9396\u53cd\u61c9\u00a0\u00a0http:\/\/www.taiwanwatch.org.tw\/issue\/nuclear\/SAVE\/save017.htm<\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

\u9023\u9396\u53cd\u61c9 (Chain Reaction) \u570b\u7acb\u5f70\u5316\u9ad8\u7d1a\u4e2d\u5b78\u7269\u7406\u79d1\u674e\u660e\u4e2d\u8001\u5e2b\/\u570b\u7acb\u81fa\u7063\u5e2b\u7bc4\u5927\u5b78\u7269\u7406\u7cfb\u8521\u5fd7\u7533\u6559\u6388…<\/p>\n","protected":false},"author":50,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34,107,32],"tags":[1880,1411],"class_list":["post-19154","post","type-post","status-publish","format-standard","hentry","category-physics07-02","category-physics00","category-physics07","tag-1880","tag-1411","loop-entry","cat-34","cat-107","cat-32","no-thumbnail"],"views":6928,"_links":{"self":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/19154","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/users\/50"}],"replies":[{"embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/comments?post=19154"}],"version-history":[{"count":1,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/19154\/revisions"}],"predecessor-version":[{"id":89004,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/19154\/revisions\/89004"}],"wp:attachment":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/media?parent=19154"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/categories?post=19154"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/tags?post=19154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}