{"id":2054,"date":"2024-10-03T00:00:00","date_gmt":"2024-10-03T00:00:00","guid":{"rendered":"urn:uuid:519fb544-a917-4827-8f4b-12d2a0cc1431"},"modified":"2024-10-03T00:00:00","modified_gmt":"2024-10-03T00:00:00","slug":"resahang-ji-chang-jia-su-qi-wonei-shi-jing-nishi-ip-mu","status":"publish","type":"post","link":"https:\/\/www.sekaiken.com\/?p=2054","title":{"rendered":"\u30ec\u30fc\u30b6\u30fc\u822a\u8de1\u5834\u52a0\u901f\u5668\u3092\u5185\u8996\u93e1\u306b\u4ed5\u8fbc\u3080"},"content":{"rendered":"<p>\u30ec\u30fc\u30b6\u30fc\u822a\u8de1\u5834\u52a0\u901f\u5668\u306e\u767a\u660e\u8005\u306e\u6700\u8fd1\u306e\u6587\u7ae0\u304c\u3042\u308a\u307e\u3057\u305f(pdf\u6ce8\u610f\uff09\u3002<br \/>\nhttps:\/\/www.jstage.jst.go.jp\/article\/pasj\/19\/4\/19_190407\/_pdf<br \/>\n\u7559\u5b66\u524d\u306e\u5b66\u751f\u6642\u4ee3\u306b\u4e0a\u91ce\u306e\u4e0d\u5fcd\u6c60\u306b\u9d28\u304c\u6cf3\u3044\u3067\u3044\u308b\u306e\u3092\u3088\u304f\u898b\u304b\u3051\u3066\u3044\u3066\u3001\u305d\u3053\u304b\u3089\u306e\u767a\u60f3\u3060\u305d\u3046\u3067\u3059\u3002<br \/>\n\u5fdc\u7528\u306b\u3064\u3044\u3066\u8ff0\u3079\u3089\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u653e\u5c04\u7dda\u6cbb\u7642\u306b\u7528\u3044\u308b\u306e\u306f\u6709\u52b9\u3060\u3068\u601d\u3044\u307e\u3059\u3002\u4e0a\u306e\u6587\u7ae0\u3067\u306f\u5185\u8996\u93e1\u306b\u4ed5\u8fbc\u3080\u3053\u3068\u3092\u8003\u3048\u3066\u3044\u307e\u3059\u3002\u3082\u3057\u5b9f\u73fe\u3059\u308c\u3070\u6c17\u8efd\u306b\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002\u307e\u305f\u3001\u4f53\u8868\u304b\u3089\u3067\u306f\u306a\u304f\u60a3\u90e8\u306b\u76f4\u63a5\u5f53\u3066\u3089\u308c\u308b\u306e\u3067\u3001\u5a01\u529b\u3084\u4f4d\u7f6e\u7cbe\u5ea6\uff08\u526f\u4f5c\u7528\u306e\u8efd\u6e1b\uff09\u304c\u5897\u3059\u3067\u3057\u3087\u3046\u3002<br \/>\n\u30d5\u30a1\u30a4\u30d0\u30fc\u30ec\u30fc\u30b6\u30fc\u306e\u6539\u826f\u3067\u9ad8\u5f37\u5ea6\u30d1\u30eb\u30b9\u30ec\u30fc\u30b6\u30fc\u304c\u5c0f\u578b\u5316\u3057\u305f\u306e\u3067\u3001\u5b9f\u73fe\u53ef\u80fd\u6027\u306f\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u3002\u3069\u306e\u4f1a\u793e\u304c\u958b\u767a\u3059\u308b\u3067\u3057\u3087\u3046\u304b\u3002\u56fd\u304b\u3089\u88dc\u52a9\u3092\u51fa\u3057\u305f\u3089\u3044\u3044\u8a71\u3060\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u7d39\u4ecb\u3055\u308c\u3066\u3044\u308b\u306e\u306f\u7c73\u56fd\u3067\u96fb\u5b50\u7dda\u3092\u6cbb\u7642\u306b\u7528\u3044\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002\u30ab\u30fc\u30dc\u30f3\u30ca\u30ce\u30c1\u30e5\u30fc\u30d6\u306b\u30ec\u30fc\u30b6\u30fc\u3092\u5f53\u3066\u3066\u3001\u56fa\u4f53\u4e2d\u306e\u81ea\u7531\u96fb\u5b50\u3092\u52a0\u901f\u3057\u3066\u3044\u307e\u3059\u3002\u9762\u767d\u3044\u3067\u3059\u306d\u3002<br \/>\n\u96fb\u5b50\u4ee5\u5916\u3060\u3068\u822a\u8de1\u5834\u52a0\u901f\u306f\u3061\u3087\u3063\u3068\u96e3\u3057\u3044\u3067\u3057\u3087\u3046\u304b\u3002<br \/>\n\u7d20\u7c92\u5b50\u5b9f\u9a13\u7528\u306e\u7c92\u5b50\u52a0\u901f\u5668\u3068\u3057\u3066\u4f7f\u304a\u3046\u3068\u3044\u3046\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3082\u3042\u308b\u3088\u3046\u3067\u3059\u3002<br \/>\n\u8aac\u660e\u52d5\u753b\u3082\u3044\u304f\u3064\u3082\u898b\u3064\u304b\u308a\u307e\u3059\u304c\u3001\u4e0b\u8a18\u306f\u5b9f\u969b\u306e\u30d7\u30e9\u30ba\u30de\u306e\u5199\u771f\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n<iframe loading=\"lazy\" title=\"How CERN&#039;s wakefield plasma accelerator AWAKE works\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/hqMy1GGeX4Y?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><br \/>\nhttps:\/\/www.youtube.com\/watch?v=D7qePppyWGs<\/p>\n<p>\u82f1\u8a9e\u306f\u3000https:\/\/www.mdpi.com\/2304-6732\/9\/6\/403\u3000\u304b\u3089<\/p>\n<p>rationale \u30e9\u30b7\u30e7\u300c\u30ca\u300d\u30fc\u308b\u3000\uff08\u30d5\u30e9\u30f3\u30b9\u8a9e\u304b\u3089\uff09\u3000\u9053\u7406\u3001\u7406\u7531\u3000= the reasons or intentions that cause a particular set of beliefs or actions<br \/>\n&ldquo;If the tsunami travels in deep waters, its phase velocity can be very fast, and very few elements can get trapped and accelerated to these velocities. Likewise, when a laser interacts with a low-density plasma, the laser wake phase velocity can approach the speed of light, and a few electrons are captured by the laser wake and accelerated to very high energies.&rdquo;<br \/>\nphase velocity \u4f4d\u76f8\u901f\u5ea6\uff08\u6ce2\u306e\u4e0a\u4e0b\u304c\u79fb\u52d5\u3059\u308b\u901f\u5ea6\u3002\u5b9f\u306f\u898b\u304b\u3051\u306e\u901f\u5ea6\uff09\u3000cf  group velocity \u7fa4\u901f\u5ea6\uff08\u6ce2\u304c\u5b9f\u969b\u306b\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u904b\u3076\u901f\u5ea6\uff09<br \/>\n&ldquo;On the other hand, if the tsunami travels in shallow waters, its phase velocity is very slow, but its amplitude is very high, trapping a significant amount of sediment in the process. Similarly, when a laser interacts with a high-density plasma, its phase velocity is significantly reduced (vg ~ 0), and a strong coupling of the laser to the plasma motion occurs. In essence, this is what occurs in the production of low-energy LWFA (laser-wake-field accelerated) electrons.&rdquo;<br \/>\nsediment \u300c\u30bb\u300d\u30c7\u30a3\u30e1\u30f3\u30c8\u3000\u6c88\u6bbf\u7269<br \/>\n\u201dTheoretical and computational studies by Barraza-Valdez et al. [19] have demonstrated that the proposed laser-matter interactions, with laser intensities of ~1014 W\/cm2 and 10\u2013100 micron target(s) at critical density, can yield a 10 keV electron beam via LWFA. Furthermore, Sha et al. [22] have described that fiber laser technology for this regime is feasible.\u201d<br \/>\nfeasible \u53ef\u80fd\u3067\u3042\u308b<br \/>\nFurthermore\u3000\u305d\u308c\u306b\u52a0\u3048\u3066\u3000\u3000\u65e5\u672c\u4eba\u306fmoreover, furthermore\u306a\u3069\u3064\u306a\u304e\u306e\u8a00\u8449\u3092\u4f7f\u3044\u305f\u304c\u308a\u307e\u3059\u304c\u3001\u305f\u3044\u3066\u3044\u306e\u5834\u5408\u306f\u524a\u9664\u3057\u305f\u307b\u3046\u304c\u3044\u3044\u3067\u3059\u3002\u3053\u3053\u306f\u5f37\u8abf\u3059\u308b\u610f\u5473\u304c\u3042\u308b\u306e\u3067\u3001\u3042\u3063\u3066\u3082\u3044\u3044\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u201dBrachytherapy is a radiotherapy technique that delivers a large radiation dose adjacent to or inside a tumor in a patient\u2019s body\u201d<br \/>\nbrachytherapy \u5c0f\u7dda\u6e90\u7642\u6cd5 brachy\u306f\u300c\u77ed\u3044\u300d\u3000brachiosaurus \u30d6\u30e9\u30ad\u30aa\u30b5\u30a6\u30eb\u30b9\u3000\u306ebrachio\u306f\u300c\u8155\u300d\u3067\u3001\u3064\u3065\u308a\u306f\u4f3c\u3066\u3044\u307e\u3059\u304c\u610f\u5473\u304c\u9055\u3044\u307e\u3059\u3002\u3069\u3061\u3089\u3082\u30ae\u30ea\u30b7\u30e3\u8a9e\u7531\u6765\u3067\u3059\u3002<br \/>\nradiotherapy \u653e\u5c04\u7dda\u6cbb\u7642<br \/>\nadjacent \u30a2\u300c\u30b8\u30a7\u300d\u30a4\u30bb\u30f3\u30c8\u3000\u96a3\u63a5\u3057\u3066<br \/>\ntumor \u30c6\u30e5\u30fc\u30e2\u30a2\u3000\u816b\u760d<br \/>\n\u201dit could eliminate the threat of stolen radioactive material that could be used as a dirty bomb, as stated by the United States Department of Homeland Security, and eliminate radiation safety accidents due to damage and\/or mishandling of a radioactive source\u201d<br \/>\ndirty bomb \u30c0\u30fc\u30c6\u30a3\u30dc\u30e0\u3000\u6c5a\u3044\u6838\u7206\u5f3e\u3000\uff08\u653e\u5c04\u6027\u7269\u8cea\u3092\u307e\u304d\u6563\u3089\u3059\u76ee\u7684\u306e\u7206\u5f3e\uff09<br \/>\nDepartment of Homeland Security \u56fd\u571f\u5b89\u5168\u4fdd\u969c\u7701<br \/>\nmishandling \u8aa4\u3063\u305f\u4f7f\u3044\u65b9\u3001\u8aa4\u7528<\/p>\n<p>\u203b\u3000\u90fd\u5408\u306b\u3088\u308a\u3001\u6765\u9031\u6708\u66dc\u65e510\/7\u304b\u30891\u9031\u9593\u3001\u300c\u4eca\u65e5\u306e\u82f1\u8a9e\u300d\u306f\u304a\u4f11\u307f\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30ec\u30fc\u30b6\u30fc\u822a\u8de1\u5834\u52a0\u901f\u5668\u306e\u767a\u660e\u8005\u306e\u6700\u8fd1\u306e\u6587\u7ae0\u304c\u3042\u308a\u307e\u3057\u305f(pdf\u6ce8\u610f\uff09\u3002 https:\/\/www.jstage.jst.go.jp\/article\/pasj\/19\/4\/19_190407\/_pdf 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