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\u3000\u56fd\u969b\u5ea6\u91cf\u8861\u5c40<\/strong><\/a><\/span>\uff08BIPM\uff09\u3001\u7406\u5316\u5b66\u7814\u7a76\u6240<\/strong><\/a><\/span>\uff08\u7406\u7814\uff09\u3001\u304a\u3088\u3073\u5cf6\u6d25\u88fd\u4f5c\u6240<\/strong><\/a><\/span>\u306f\u3001\u5149\u5468\u6ce2\u6570\u6a19\u6e96\uff08OFS\uff09\u306b\u95a2\u3059\u308b\u8abf\u67fb\u30fb\u691c\u8a0e\u306b\u5411\u3051\u3066\u5354\u529b\u3092\u958b\u59cb\u3059\u308b\u305f\u3081\u306e\u899a\u66f8\u306b\u8abf\u5370\u3057\u305f\u3002\u8abf\u5370\u5f0f\u306f2026\u5e745\u670812\u65e5\u306b\u5ddd\u5d0e\u5e02\u3067\u958b\u50ac\u3055\u308c\u305f\u3002\u540c\u899a\u66f8\u306f\u3001\u56fd\u969b\u7684\u306a\u6642\u9593\u30fb\u5468\u6ce2\u6570\u8a08\u6e2c\u306b\u304a\u3051\u308b\u53ef\u642c\u578b\u5149\u5468\u6ce2\u6570\u6a19\u6e96\u306e\u6f5c\u5728\u7684\u5f79\u5272\u306b\u3064\u3044\u3066\u8b70\u8ad6\u3057\u3001\u5171\u540c\u3067\u691c\u8a0e\u3059\u308b\u305f\u3081\u306e\u6700\u521d\u306e\u67a0\u7d44\u307f\u3092\u5b9a\u3081\u308b\u3082\u306e\u3002<\/p>\n\n\n

\n
\"\"
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\u5149\u91cf\u5b50\u5de5\u5b66\u7814\u7a76\u30bb\u30f3\u30bf\u30fc \u9999\u53d6\u79c0\u4fca \u30c1\u30fc\u30e0\u30c7\u30a3\u30ec\u30af\u30bf\u30fc \uff08\u6771\u4eac\u5927\u5b66 \u5927\u5b66\u9662\u5de5\u5b66\u7cfb\u7814\u7a76\u79d1 \u7269\u7406\u5de5\u5b66\u5c02\u653b \u6559\u6388\uff09\u3001\u7523\u696d\u6280\u8853\u7dcf\u5408\u7814\u7a76\u6240 \u4e0a\u5e2d\u57f7\u884c\u5f79\u54e1\u3001\u8a08\u91cf\u6a19\u6e96\u7dcf\u5408\u30bb\u30f3\u30bf\u30fc \u81fc\u7530\u5b5d \u7dcf\u5408\u30bb\u30f3\u30bf\u30fc\u9577\uff08\u56fd\u969b\u5ea6\u91cf\u8861\u59d4\u54e1\u4f1a \u5e79\u4e8b\uff09\u3001\u5cf6\u6d25\u88fd\u4f5c\u6240 \u897f\u672c\u5c1a\u5f18 \u5e38\u52d9\u57f7\u884c\u5f79\u54e1 CTO\u3001\u56fd\u969b\u5ea6\u91cf\u8861\u5c40 Dr. Annette Koo\u5c40\u9577\u3001
\u5cf6\u6d25\u88fd\u4f5c\u6240 \u5c71\u672c\u9756\u5247 \u4ee3\u8868\u53d6\u7de0\u5f79\u793e\u9577<\/figcaption><\/figure><\/div>\n\n\n

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\u3000\u4eca\u56de\u958b\u59cb\u3059\u308b\u691c\u8a0e\u306b\u306fBIPM\u3001\u7406\u7814\u3001\u5cf6\u6d25\u88fd\u4f5c\u6240\u306e\u307b\u304b\u306b\u7523\u696d\u6280\u8853\u7dcf\u5408\u7814\u7a76\u6240\u8a08\u91cf\u6a19\u6e96\u7dcf\u5408\u30bb\u30f3\u30bf\u30fc\uff08NMIJ\uff09\u3082\u95a2\u4e0e\u3059\u308b\u4e88\u5b9a\u3067\u3042\u308a\u3001\u4ed6\u56fd\u306e\u8a08\u91cf\u7814\u7a76\u6240\u3084\u95a2\u9023\u6a5f\u95a2\u3082\u5e73\u7b49\u306a\u6761\u4ef6\u3067\u53c2\u52a0\u3067\u304d\u308b\u30aa\u30fc\u30d7\u30f3\u306a\u4f53\u5236\u3068\u3059\u308b\u898b\u8fbc\u307f\u3002
\u3000\u5149\u683c\u5b50\u6642\u8a08\u3084\u5358\u4e00\u30a4\u30aa\u30f3\u5149\u6642\u8a08\u306b\u4ee3\u8868\u3055\u308c\u308b\u5149\u5468\u6ce2\u6570\u6a19\u6e96\u306f\u539f\u5b50\u3084\u30a4\u30aa\u30f3\u306e\u5149\u9077\u79fb\u306b\u57fa\u3065\u304f\u3082\u306e\u3067\u3001\u73fe\u5728\u3001\u300c\u79d2\u300d\u306e\u5b9a\u7fa9\u3068\u306a\u3063\u3066\u3044\u308b\u30de\u30a4\u30af\u30ed\u6ce2\u57fa\u6e96\uff08\u4f8b\uff1a\u30bb\u30b7\u30a6\u30e0\u539f\u5b50\u6642\u8a08\uff09\u3088\u308a\u3082\u9ad8\u3044\u5b89\u5b9a\u6027\u3068\u7cbe\u5ea6\u3092\u63d0\u4f9b\u3059\u308b\u3002\u5c06\u6765\u306e\u56fd\u969b\u5358\u4f4d\u7cfb\uff08SI\uff09\u306e\u300c\u79d2\u300d\u306e\u518d\u5b9a\u7fa9\u3092\u9032\u3081\u308b\u4e0a\u3067\u306f\u3001\u3053\u3046\u3057\u305f\u5149\u5468\u6ce2\u6570\u6a19\u6e96\u540c\u58eb\u306e\u56fd\u969b\u7684\u306a\u6574\u5408\u6027\u306e\u78ba\u4fdd\u304c\u91cd\u8981\u3002
\u203bN Dimarcq, et al. (2024) Roadmap towards the redefinition of the second. Metrologia doi: 10.1088\/1681-7575\/ad17d<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5149\u5468\u6ce2\u6570\u6a19\u6e96\u3011\u56fd\u969b\u5ea6\u91cf\u8861\u5c40\u3001\u7406\u5316\u5b66\u7814\u7a76\u6240\u3001\u5cf6\u6d25\u88fd\u4f5c\u6240\u3001\u53ef\u642c\u578b\u306e\u5f79\u5272\u3092\u63a2\u308b\u5354\u529b\u958b\u59cb
\n\u3000\u56fd\u969b\u5ea6\u91cf\u8861\u5c40\uff08BIPM\uff09\u3001\u7406\u5316\u5b66\u7814\u7a76\u6240\uff08\u7406\u7814\uff09\u3001\u304a\u3088\u3073\u5cf6\u6d25\u88fd\u4f5c\u6240\u306f\u3001\u5149\u5468\u6ce2\u6570\u6a19\u6e96\uff08OFS\uff09\u306b\u95a2\u3059\u308b\u8abf\u67fb\u30fb\u691c\u8a0e\u306b\u5411\u3051\u3066\u5354\u529b\u3092\u958b\u59cb\u3059\u308b\u305f\u3081\u306e\u899a\u66f8\u306b\u8abf\u5370\u3057\u305f\u3002\u8abf\u5370\u5f0f\u306f2026\u5e745\u670812\u65e5\u306b\u5ddd\u5d0e\u5e02\u3067\u958b\u50ac\u3055\u308c\u305f\u3002\u540c\u899a\u66f8\u306f\u3001\u56fd\u969b\u7684\u306a\u6642\u9593\u30fb\u5468\u6ce2\u6570\u8a08\u6e2c\u306b\u304a\u3051\u308b\u53ef\u642c\u578b\u5149\u5468\u6ce2\u6570\u6a19\u6e96\u306e\u6f5c\u5728\u7684\u5f79\u5272\u306b\u3064\u3044\u3066\u8b70\u8ad6\u3057\u3001\u5171\u540c\u3067\u691c\u8a0e\u3059\u308b\u305f\u3081\u306e\u6700\u521d\u306e\u67a0\u7d44\u307f\u3092\u5b9a\u3081\u308b\u3082\u306e\u3002
\n\u3000\u5c06\u6765\u306e\u300c\u79d2\u300d\u306e\u518d\u5b9a\u7fa9\u3092\u691c\u8a0e\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u5149\u5468\u6ce2\u6570\u6a19\u6e96\u540c\u58eb\u306e\u4fe1\u983c\u3067\u304d\u308b\u6bd4\u8f03\u304c\u5fc5\u8981\u3002\u6642\u523b\u30fb\u5468\u6ce2\u6570\u306b\u95a2\u3059\u308b\u8aee\u554f\u59d4\u54e1\u4f1a\uff08CCTF\uff09\u304c\u793a\u3059\u91cd\u8981\u306a\u8981\u4ef6\u306e1\u3064\u306f\u3001\u5404\u56fd\u306e\u8a08\u91cf\u7814\u7a76\u6240\u304c\u958b\u767a\u4e2d\u306e\u5468\u6ce2\u6570\u6a19\u6e96\u540c\u58eb\u3092\u76f8\u5bfe\u8aa4\u5dee10\u207b\u00b9\u2078\u306e\u30ec\u30d9\u30eb\u3067\u6bd4\u8f03\u3067\u304d\u3001\u304b\u3064\u3001\u5149\u5468\u6ce2\u6570\u6a19\u6e96\u304c\u5354\u5b9a\u4e16\u754c\u6642\uff08UTC\uff09\u3078\u4e00\u8cab\u3057\u3066\u5bc4\u4e0e\u3059\u308b\u3053\u3068\u3002\u53ef\u642c\u578b\u5149\u5468\u6ce2\u6570\u6a19\u6e96\u306f\u3001\u305d\u306e\u3088\u3046\u306a\u6bd4\u8f03\u3092\u652f\u63f4\u3059\u308b\u305f\u3081\u306e\u624b\u6bb5\u306e1\u3064\u3068\u3057\u3066\u691c\u8a0e\u3055\u308c\u3066\u3044\u308b\u3002\u53ef\u642c\u578b\u88c5\u7f6e\u306e\u5b9f\u7528\u6027\u8a55\u4fa1\u3084\u3001\u904b\u7528\u4e0a\u304a\u3088\u3073\u74b0\u5883\u9762\u3067\u306e\u8981\u4ef6\u306b\u95a2\u3059\u308b\u6280\u8853\u691c\u8a0e\u3092\u884c\u3046\u3053\u3068\u306f\u3001\u300c\u79d2\u300d\u306e\u518d\u5b9a\u7fa9\u306b\u5411\u3051\u305f\u3088\u308a\u5e83\u7bc4\u306a\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u306e\u91cd\u8981\u306a\u4e00\u6b69\u3067\u3042\u308b\u203b\u3002
\n\u3000\u4eca\u56de\u958b\u59cb\u3059\u308b\u691c\u8a0e\u306b\u306fBIPM\u3001\u7406\u7814\u3001\u5cf6\u6d25\u88fd\u4f5c\u6240\u306e\u307b\u304b\u306b\u7523\u696d\u6280\u8853\u7dcf\u5408\u7814\u7a76\u6240\u8a08\u91cf\u6a19\u6e96\u7dcf\u5408\u30bb\u30f3\u30bf\u30fc\uff08NMIJ\uff09\u3082\u95a2\u4e0e\u3059\u308b\u4e88\u5b9a\u3067\u3042\u308a\u3001\u4ed6\u56fd\u306e\u8a08\u91cf\u7814\u7a76\u6240\u3084\u95a2\u9023\u6a5f\u95a2\u3082\u5e73\u7b49\u306a\u6761\u4ef6\u3067\u53c2\u52a0\u3067\u304d\u308b\u30aa\u30fc\u30d7\u30f3\u306a\u4f53\u5236\u3068\u3059\u308b\u898b\u8fbc\u307f\u3002
\n\u3000\u5149\u683c\u5b50\u6642\u8a08\u3084\u5358\u4e00\u30a4\u30aa\u30f3\u5149\u6642\u8a08\u306b\u4ee3\u8868\u3055\u308c\u308b\u5149\u5468\u6ce2\u6570\u6a19\u6e96\u306f\u539f\u5b50\u3084\u30a4\u30aa\u30f3\u306e\u5149\u9077\u79fb\u306b\u57fa\u3065\u304f\u3082\u306e\u3067\u3001\u73fe\u5728\u3001\u300c\u79d2\u300d\u306e\u5b9a\u7fa9\u3068\u306a\u3063\u3066\u3044\u308b\u30de\u30a4\u30af\u30ed\u6ce2\u57fa\u6e96\uff08\u4f8b\uff1a\u30bb\u30b7\u30a6\u30e0\u539f\u5b50\u6642\u8a08\uff09\u3088\u308a\u3082\u9ad8\u3044\u5b89\u5b9a\u6027\u3068\u7cbe\u5ea6\u3092\u63d0\u4f9b\u3059\u308b\u3002\u5c06\u6765\u306e\u56fd\u969b\u5358\u4f4d\u7cfb\uff08SI\uff09\u306e\u300c\u79d2\u300d\u306e\u518d\u5b9a\u7fa9\u3092\u9032\u3081\u308b\u4e0a\u3067\u306f\u3001\u3053\u3046\u3057\u305f\u5149\u5468\u6ce2\u6570\u6a19\u6e96\u540c\u58eb\u306e\u56fd\u969b\u7684\u306a\u6574\u5408\u6027\u306e\u78ba\u4fdd\u304c\u91cd\u8981\u3002
\n\u203bN Dimarcq, et al. (2024) Roadmap towards the redefinition of the second. Metrologia doi: 10.1088\/1681-7575\/ad17d
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