[{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","@id":"https:\/\/wiki.edu.vn\/all2jp\/wiki11\/archives\/3157#BlogPosting","mainEntityOfPage":"https:\/\/wiki.edu.vn\/all2jp\/wiki11\/archives\/3157","headline":"Si-Modell – \u30a6\u30a3\u30ad\u30da\u30c7\u30a3\u30a2","name":"Si-Modell – \u30a6\u30a3\u30ad\u30da\u30c7\u30a3\u30a2","description":"before-content-x4 si-modell \u6570\u5b66\u7684\u75ab\u5b66\u3067\u306f\u3001\u7406\u8ad6\u751f\u7269\u5b66\u306e\u30b5\u30d6\u30a8\u30ea\u30a2\u3067\u3042\u308b\u75ab\u5b66\u306f\u3001\u4f1d\u67d3\u6027\u75be\u60a3\u306espread\u5ef6\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306e\u7279\u306b\u7c21\u5358\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u3042\u308a\u3001\u305d\u308c\u306b\u3088\u308a\u3059\u3079\u3066\u306e\u5065\u5eb7\u306a\u4eba\u3005\u304c\u6700\u7d42\u7684\u306b\u611f\u67d3\u3057\u307e\u3059\u3002 – SI\u30e2\u30c7\u30eb\u306e\u8aac\u660e\u306f\u3001\u54c1\u8cea\u306e\u89b3\u70b9\u304b\u3089\u305d\u308c\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u3001\u305d\u306e\u3088\u3046\u306a\u30b9\u30d7\u30ec\u30c3\u30c9\u3068\u6226\u3046\u884c\u52d5\u306b\u3088\u3063\u3066\u3001Covid 19\u306e\u30d1\u30f3\u30c7\u30df\u30b7\u30ba\u30e0\u306e\u6a5f\u4f1a\u306b\u88dc\u8db3\u3055\u308c\u307e\u3059\u3002\u5f8c\u8005\u306f2\u3064\u306e\u30a2\u30a4\u30c7\u30a2\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002\u5f37\u5236\u632f\u52d5\u3068\u306e\u985e\u4f3c\u6027\u3068\u3001\u3053\u306e\u30e2\u30c7\u30eb\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30eb\u30fc\u30d7\u306b\u7d71\u5408\u3059\u308b\u305f\u3081\u306e\u3053\u306e\u5f37\u5236\u306b\u95a2\u3059\u308b\u3082\u306e\u3067\u3001\u30a4\u30f3\u30ad\u30e5\u30d9\u30fc\u30b7\u30e7\u30f3\u306e\u7d50\u679c\u3068\u3057\u3066\u4e0d\u5b89\u5b9a\u306a\u52d5\u4f5c\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u4e0d\u5b89\u5b9a\u306a\u884c\u52d5\u3068\u7d44\u307f\u5408\u308f\u3055\u308c\u308b\u5f37\u5236\u306f\u3001\u4eba\u53e3\/\u793e\u4f1a\u306b\u53cd\u3057\u3066\u3044\u307e\u3059\u3002 after-content-x4 \u3053\u306e\u5358\u7d14\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u306f\u3001\u6f38\u9032\u7684\u306a\u6d41\u884c\u306e\u884c\u52d5\u3068\u3001Welle\u3068\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u306e\u8907\u6570\u306e\u76f8\u4e92\u4f5c\u7528\u3001\u7279\u306b\u54c1\u8cea\u306e\u89b3\u70b9\u304b\u3089\u8aac\u660e\u3067\u304d\u307e\u3059\u3002 \u305d\u306e\u6642\u306b\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044 t {\u30c6\u30ad\u30b9\u30c8\u30b9\u30bf\u30a4\u30ebT} after-content-x4 s \uff08 t \uff09\uff09 {displaystyleS\uff08t\uff09} \u5065\u5eb7\u306a\u3001\u307e\u3060\u611f\u67d3\u3057\u3066\u3044\u306a\u3044\u500b\u4eba\uff08 \u5f71\u97ff\u3092\u53d7\u3051\u3084\u3059\u3044\u500b\u4eba s\uff09","datePublished":"2019-03-06","dateModified":"2019-03-06","author":{"@type":"Person","@id":"https:\/\/wiki.edu.vn\/all2jp\/wiki11\/archives\/author\/lordneo#Person","name":"lordneo","url":"https:\/\/wiki.edu.vn\/all2jp\/wiki11\/archives\/author\/lordneo","image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/44a4cee54c4c053e967fe3e7d054edd4?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/44a4cee54c4c053e967fe3e7d054edd4?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"Enzyklop\u00e4die","logo":{"@type":"ImageObject","@id":"https:\/\/wiki.edu.vn\/wiki4\/wp-content\/uploads\/2023\/08\/download.jpg","url":"https:\/\/wiki.edu.vn\/wiki4\/wp-content\/uploads\/2023\/08\/download.jpg","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/wikimedia.org\/api\/rest_v1\/media\/math\/render\/svg\/b2bc926f90178739fccd01a96c6fa778ab3535d6","url":"https:\/\/wikimedia.org\/api\/rest_v1\/media\/math\/render\/svg\/b2bc926f90178739fccd01a96c6fa778ab3535d6","height":"","width":""},"url":"https:\/\/wiki.edu.vn\/all2jp\/wiki11\/archives\/3157","wordCount":33892,"articleBody":" (adsbygoogle = window.adsbygoogle || []).push({});before-content-x4 si-modell \u6570\u5b66\u7684\u75ab\u5b66\u3067\u306f\u3001\u7406\u8ad6\u751f\u7269\u5b66\u306e\u30b5\u30d6\u30a8\u30ea\u30a2\u3067\u3042\u308b\u75ab\u5b66\u306f\u3001\u4f1d\u67d3\u6027\u75be\u60a3\u306espread\u5ef6\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306e\u7279\u306b\u7c21\u5358\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u3042\u308a\u3001\u305d\u308c\u306b\u3088\u308a\u3059\u3079\u3066\u306e\u5065\u5eb7\u306a\u4eba\u3005\u304c\u6700\u7d42\u7684\u306b\u611f\u67d3\u3057\u307e\u3059\u3002 – SI\u30e2\u30c7\u30eb\u306e\u8aac\u660e\u306f\u3001\u54c1\u8cea\u306e\u89b3\u70b9\u304b\u3089\u305d\u308c\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u3001\u305d\u306e\u3088\u3046\u306a\u30b9\u30d7\u30ec\u30c3\u30c9\u3068\u6226\u3046\u884c\u52d5\u306b\u3088\u3063\u3066\u3001Covid 19\u306e\u30d1\u30f3\u30c7\u30df\u30b7\u30ba\u30e0\u306e\u6a5f\u4f1a\u306b\u88dc\u8db3\u3055\u308c\u307e\u3059\u3002\u5f8c\u8005\u306f2\u3064\u306e\u30a2\u30a4\u30c7\u30a2\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002\u5f37\u5236\u632f\u52d5\u3068\u306e\u985e\u4f3c\u6027\u3068\u3001\u3053\u306e\u30e2\u30c7\u30eb\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30eb\u30fc\u30d7\u306b\u7d71\u5408\u3059\u308b\u305f\u3081\u306e\u3053\u306e\u5f37\u5236\u306b\u95a2\u3059\u308b\u3082\u306e\u3067\u3001\u30a4\u30f3\u30ad\u30e5\u30d9\u30fc\u30b7\u30e7\u30f3\u306e\u7d50\u679c\u3068\u3057\u3066\u4e0d\u5b89\u5b9a\u306a\u52d5\u4f5c\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u4e0d\u5b89\u5b9a\u306a\u884c\u52d5\u3068\u7d44\u307f\u5408\u308f\u3055\u308c\u308b\u5f37\u5236\u306f\u3001\u4eba\u53e3\/\u793e\u4f1a\u306b\u53cd\u3057\u3066\u3044\u307e\u3059\u3002 (adsbygoogle = window.adsbygoogle || []).push({});after-content-x4\u3053\u306e\u5358\u7d14\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u306f\u3001\u6f38\u9032\u7684\u306a\u6d41\u884c\u306e\u884c\u52d5\u3068\u3001Welle\u3068\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u306e\u8907\u6570\u306e\u76f8\u4e92\u4f5c\u7528\u3001\u7279\u306b\u54c1\u8cea\u306e\u89b3\u70b9\u304b\u3089\u8aac\u660e\u3067\u304d\u307e\u3059\u3002 \u305d\u306e\u6642\u306b\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044 t {\u30c6\u30ad\u30b9\u30c8\u30b9\u30bf\u30a4\u30ebT} (adsbygoogle = window.adsbygoogle || []).push({});after-content-x4s \uff08 t \uff09\uff09 {displaystyleS\uff08t\uff09} \u5065\u5eb7\u306a\u3001\u307e\u3060\u611f\u67d3\u3057\u3066\u3044\u306a\u3044\u500b\u4eba\uff08 \u5f71\u97ff\u3092\u53d7\u3051\u3084\u3059\u3044\u500b\u4eba s\uff09 \u79c1 \uff08 t \uff09\uff09 {displaystyle i\uff08t\uff09} \u75c5\u6c17\u306e\u3001\u3059\u3067\u306b\u611f\u67d3\u3057\u305f\u500b\u4eba\uff08 \u611f\u67d3\u75c7 \u79c1\uff09\u3001 \u5358\u7d14\u5316\u306e\u305f\u3081\u306b\u53d7\u3051\u5165\u308c\u3089\u308c\u307e\u3059 (adsbygoogle = window.adsbygoogle || []).push({});after-content-x4\u79c1 \uff08 t \uff09\uff09 + s \uff08 t \uff09\uff09 = n = const\u3002 {textStyle i\uff08t\uff09+s\uff08t\uff09= n = {text {const\u3002}}}} \u3001 d\u3002 H.\u691c\u8a0e\u4e2d\u306e\u4eba\u53e3\u306f\u5e38\u306b\u5b58\u5728\u3057\u307e\u3059 t {\u30c6\u30ad\u30b9\u30c8\u30b9\u30bf\u30a4\u30ebT} out n {\u30c6\u30ad\u30b9\u30c8\u30b9\u30bf\u30a4\u30ebn} \u500b\u4eba\uff08\u51fa\u751f\u3068\u6b7b\u4ea1\u3092\u8003\u616e\u3057\u3066\u3044\u306a\u3044\uff09\u3002 D. h\u3002\u6642\u9593\u5358\u4f4d\u306e\u611f\u67d3\u8005\u306e\u5897\u52a0\u306f\u3001\u30e6\u30cb\u30c3\u30c8\u306e\u5065\u5eb7\u306a\u500b\u4eba\u306e\u53d7\u3051\u5165\u308c\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002 \u75be\u60a3\u306espread\u5ef6\u306f\u3001\u7d71\u8a08\u7684\u306b\u75c5\u6c17\u306e\u500b\u4eba\u306e\u6570\uff08\u3059\u306a\u308f\u3061\u3001\u7d30\u83cc\u306e\u6570\uff09\u306b\u4f9d\u5b58\u3057\u3066\u304a\u308a\u3001\u4e00\u65b9\u3067\u3001\u611f\u67d3\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u500b\u4eba\u306e\u6570\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u518d\u3073\u611f\u67d3\u3057\u305f\u3068\u611f\u67d3\u3057\u305f\u3068\u60f3\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u6700\u3082\u5358\u7d14\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3001\u76f8\u4e92\u4f5c\u7528\u306e\u5b89\u5b9a\u6027\u3092\u6301\u3064\u8cea\u91cf\u52b9\u679c\u6cd5\u306e\u30bf\u30a4\u30d7\u306b\u5f93\u3063\u3066\u7dda\u5f62\u6a5f\u80fd\u7684\u306a\u7b54\u3048\u3092\u4f7f\u7528\u3057\u307e\u3059 c {\u30c6\u30ad\u30b9\u30c8\u30b9\u30bf\u30a4\u30ebc} \uff1a dSdt= – c de \u79c1 \uff08 t \uff09\uff09 de s \uff08 t \uff09\uff09 {displaystyle {frac {mathrm {d} s} {mathrm {d} t}} = -ccdot i\uff08t\uff09cdot s\uff08t\uff09} \u3001 dIdt= c de \u79c1 \uff08 t \uff09\uff09 de s \uff08 t \uff09\uff09 {displaystyle {frac {mathrm {d} i} {mathrm {d} t}} = ccdot i\uff08t\uff09cdot s\uff08t\uff09} \u3002 \u88fd\u54c1\u306f\u3067\u304d\u307e\u3059 \u79c1 \uff08 t \uff09\uff09 de s \uff08 t \uff09\uff09 {TextStyle I\uff08T\uff09CDOT S\uff08T\uff09} \u3059\u3079\u3066\u306e\u5065\u5168\u306a\u4eba\u304c\u611f\u67d3\u3057\u305f\u3059\u3079\u3066\u3068\u76f8\u4e92\u4f5c\u7528\u3059\u308b\u3068\u3001\u63a5\u89e6\u306e\u6570\u304c\u89e3\u91c8\u3055\u308c\u308b\u305f\u3081\u3001\u304a\u3088\u3073\u8981\u56e0 c {\u30c6\u30ad\u30b9\u30c8\u30b9\u30bf\u30a4\u30ebc} \u3053\u308c\u304b\u3089\u751f\u3058\u308b\u65b0\u3057\u3044\u611f\u67d3\u75c7\uff08\u611f\u67d3\u7387\uff09\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u4e0a\u8a18\u306e\u4fdd\u5b58\u7387\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002 dIdt= c de \u79c1 \uff08 t \uff09\uff09 \uff08 N\u2212I(t)\uff09\uff09 = c de n de \u79c1 \uff08 t \uff09\uff09 \uff08 1\u2212I(t)N\uff09\uff09 {displaystyle {frac {mathrm {d} i} {mathrm {d} t}} = ccdot i\uff08t\uff09\u5de6\uff08n-i\uff08t\uff09\u53f3\uff09= ccdot ncdot i\uff08t\uff09 \u3002 \u6bd4\u4f8b\u56e0\u5b50CN\u306f\u3001\u521d\u671f\u6307\u6570\u95a2\u6570\u7684\u6210\u9577\u306b\u3088\u3063\u3066\u6c7a\u5b9a\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3053\u308c\u306b\u5f53\u3066\u306f\u307e\u308a\u307e\u3059 \u79c1 \uff08 t \uff09\uff09 \u226a n {displaystyle i\uff08t\uff09ll n} \u305d\u3057\u3066\u3001\u4e0a\u8a18\u306e\u5fae\u5206\u65b9\u7a0b\u5f0f\u306f\u5165\u308a\u307e\u3059 dIdt= c de n de \u79c1 \uff08 t \uff09\uff09 = r de \u79c1 \uff08 t \uff09\uff09 {displaystyle {frac {mathrm {d} i} {mathrm {d} t}} = ccdot ncdot i\uff08t\uff09= rcdot i\uff08t\uff09} \u3068 r {displaystyle r} \u5168\u4f53\u7684\u306a\u6bcd\u96c6\u56e3\u306b\u95a2\u4fc2\u306a\u304f\u3001\u8907\u88fd\u7387\uff08\u76f8\u4e92\u534a\u6e1b\u671f\uff09\u3068\u3057\u3066 n {displaystyle n} [\u30ce\u30fc\u30c81] \u3002\u305d\u308c\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\uff1a dIdt= r de \u79c1 de \uff08 1\u2212IN\uff09\uff09 {displaystyle {frac {mathrm {d} i} {mathrm {d} t}} = rcdot icdot left\uff081- {frac {i} {n}}\u53f3\uff09} \u3002 \uff08DG-0\uff09 2\u3064\u306e\u6c7a\u5b9a\u5fae\u5206\u65b9\u7a0b\u5f0f\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002 dSdt= – [ r\u22c5S(t)] de \u79c1 \uff08 t \uff09\uff09 {displaystyle {frac {mathrm {d} s} {mathrm {d} t}} = – left [rcdot s\uff08t\uff09right] cdot i\uff08t\uff09}} \u3001 dIdt= [ r\u22c5I(t)] de s \uff08 t \uff09\uff09 {displaystyle {frac {mathrm {d} i} {mathrm {d} t}} = left [rcdot i\uff08t\uff09\u53f3] cdot s\uff08t\uff09} \u6355\u98df\u8005\u3068\u80b2\u3063\u305f\u884c\u52d5\u3068\u306e\u6bd4\u8f03\uff08\u611f\u67d3\u3057\u305f\u5065\u5eb7\uff01\uff09\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u306f\u3001\u6355\u98df\u8005\u30eb\u30fc\u30c8\u306e\u52d5\u4f5c\u306e\u3088\u3046\u306b\u632f\u52d5\u65b9\u7a0b\u5f0f\u306b\u3064\u306a\u304c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002 SI\u30e2\u30c7\u30eb\u306e\u62e1\u5f35\u306f\u3001\u500b\u4eba\u304c\u5065\u5eb7\u3067\u3042\u308bSIS\u30e2\u30c7\u30eb\u3068\u3001\u500b\u4eba\u304c\u75c5\u6c17\u306e\u514d\u75ab\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308bSIS\u30e2\u30c7\u30eb\u3067\u3059\u3002 \u8907\u88fd\u901f\u5ea6r\u306f\u4f9d\u5b58\u3057\u307e\u3059 \u30b3\u30f3\u30bf\u30af\u30c8\u30d1\u30fc\u30c8\u30ca\u30fc\u9593\u306e\u9001\u4fe1\u306e\u6709\u52b9\u6027\u307e\u305f\u306f\u4e92\u3044\u306b\u5f7c\u3089\u306e\u53cd\u5fdc\u3068 \u9023\u7d61\u5148\u306e\u983b\u5ea6\uff08\u6642\u9593\u5358\u4f4d\u5358\u4f4d\u306e\u9023\u7d61\u5148\u6570\uff09\u3001\u3053\u308c\u306f\u9806\u756a\u306b\u4f9d\u5b58\u3057\u307e\u3059\u30e2\u30d3\u30ea\u30c6\u30a3\u3001\u30d1\u30fc\u30c8\u30ca\u30fc\u306e\u901f\u5ea6 \u30d1\u30fc\u30c8\u30ca\u30fc\u306e\u5bc6\u5ea6\uff08\u30dc\u30ea\u30e5\u30fc\u30e0\u3042\u305f\u308a\u306e\u30d1\u30fc\u30c8\u30ca\u30fc\u306e\u6570\uff09 [\u521d\u3081] \u3068\u3057\u3066\u3082 \u30d1\u30fc\u30c8\u30ca\u30fc\u306e\u4ea4\u5dee\u70b9 Table of ContentsSI\u30e2\u30c7\u30eb\u306e\u5fae\u5206\u65b9\u7a0b\u5f0f\u306e\u5206\u6790\u89e3\uff08DG-0\uff09 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] SI\u30e2\u30c7\u30eb\u306e\u30ed\u30d0\u30fc\u30c8\u30b3\u30c3\u30db\u7814\u7a76\u6240\u306e\u751f\u6b96\u7387 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] R\u5ec3\u68c4\u7269\u3068\u7b2c2\u6ce2\u306e\u5834\u5408\u306e\u52d5\u4f5c [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \u6307\u6570\u611f\u67d3\u884c\u52d5\u3068\u6700\u521d\u306e\u7d50\u8ad6\u306e\u89e3\u4f53 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \u30a4\u30f3\u30ad\u30e5\u30d9\u30fc\u30b7\u30e7\u30f3\u671f\u9593\u306e\u5f71\u97ff [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \u611f\u67d3\u75c7\u306espread\u5ef6\u306b\u95d8\u3046\u3088\u3046\u306b\u8981\u6c42\u3057\u307e\u3059 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \u5fae\u5206\u65b9\u7a0b\u5f0fDG-1\u306b\u5f93\u3063\u3066SI\u30e2\u30c7\u30eb\u3092\u62e1\u5f35\u3057\u307e\u3057\u305f [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \u5fae\u5206\u65b9\u7a0b\u5f0fDG-2\u306b\u5f93\u3063\u3066SI\u30e2\u30c7\u30eb\u3092\u62e1\u5f35\u3057\u307e\u3057\u305f [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb\u3068\u3057\u3066SI\u30e2\u30c7\u30eb\u3092\u5099\u3048\u305f\u901a\u5e38\u306e\u5186 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \u307b\u307c\u30b5\u30f3\u30d7\u30eb\u8a08\u7b97 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] SI\u30e2\u30c7\u30eb\u306e\u5fae\u5206\u65b9\u7a0b\u5f0f\u306e\u5206\u6790\u89e3\uff08DG-0\uff09 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \u611f\u67d3\u3057\u305fI\u3068\u5065\u5eb7\u306as\u306e\u6570\u306e\u30b0\u30eb\u30fc\u30d7 1.\u6642\u9593t\u306e\u95a2\u6570\u3068\u3057\u3066\u306e\u611f\u67d3I\u306e\u5c0e\u51fa 1.\u304a\u3088\u3073I\u306e\u95a2\u6570\u3068\u3057\u3066\u306e\u611f\u67d3I\u306e2\u756a\u76ee\u306e\u5c0e\u51fa \u7a4d\u5206\u8868\u306b\u3088\u308b\u3068 [2] \u3053\u306e\u5fae\u5206\u65b9\u7a0b\u5f0f\u306e\u89e3\u6c7a\u7b56\u3067\u3059 \u79c1 \uff08 t \uff09\uff09 {displaystyle i\uff08t\uff09} \uff1a \u79c1 \uff08 t \uff09\uff09 = N1+(NI(0)\u22121)\u22c5e\u2212rt= N1+e\u2212r(t\u2212tw){displaystyle i\uff08t\uff09= {frac {n} {1+left\uff08{frac {n} {i\uff080\uff09}}} – 1 right\uff09cdot e^{ – rt}}} = {frac {n} {1+e^{-rleft\uff08t-t_ {w} {w} {w} {w}}}}}} i\uff08t\uff09\u306e\u30bf\u30fc\u30cb\u30f3\u30b0\u30dd\u30a4\u30f3\u30c8\u306e\u6642\u9593\u3068\u3068\u3082\u306b t w= ln\u2061(NI(0)\u22121)r{displaystyle t_ {w} = {frac {ln left\uff08{frac {n} {ileft\uff080right\uff09}} -1 right\uff09} {r}}}} \u3002 \u4fdd\u5b58\u7387\u306b\u5fdc\u3058\u3066\u3001\u76f8\u88dc\u7684\u306a\u5909\u6570\u306e\u7d50\u679c\u306f s {displaystyleS} \uff1a dSdt= – r de s de \uff08 1\u2212SN\uff09\uff09 {displaystyle {frac {mathrm {d} s} {mathrm {d} t}} = -rcdot scdot\u5de6\uff081- {frac {s} {n}}\u53f3\uff09} \u3068 s \uff08 t \uff09\uff09 = N\u22c5e\u2212r(t\u2212tw)1+e\u2212r(t\u2212tw)= N1+er(t\u2212tw){displaystyle s\uff08t\uff09= {frac {ncdot e^{ – rleft\uff08t-t_ {w} right\uff09}} {1+e^{ – rleft\uff08t-t_ {w} right\uff09}}}} = {frac {n} {1+e^{rleft\uff08t-t-t_ {}}}} \u3002 \u9069\u7528\u3055\u308c\u307e\u3059\uff1a \u79c1 \uff08 \u221e \uff09\uff09 = n {displaystyle i\uff08infty\uff09= n} \u3001 dIdt= r\u22c5N\u22c5(NI(0)\u22121)\u22c5e\u2212rt[1+(NI(0)\u22121)\u22c5e\u2212rt]2{displaystyle {frac {mathrm {d} I}{mathrm {d} t}}={frac {rcdot Ncdot ({frac {N}{I(0)}}-1)cdot e^{-rt}}{[1+({frac {N}{I(0)}}-1)cdot e^{-rt}]^{2}}}} \u3002 \u8a00\u8449\u3067\u8a00\u3048\u3070\u3001\u3059\u3079\u3066\u306e\u5065\u5eb7\u306a\u4eba\u304c\u611f\u67d3\u3057\u3066\u3044\u307e\u3059\u3002 \u306e\u521d\u3081\u3066\u306e\u6d3e\u751f \u79c1 \uff08 t \uff09\uff09 {displaystyle i\uff08t\uff09} \u306e\u89b3\u70b9\u304b\u3089\u306e\u7b2c2\u5ea6\u65b9\u7a0b\u5f0f\u3067\u3059 n {displaystyle n} \u30bc\u30ed\u4f4d\u7f6e0\u304a\u3088\u3073 n {displaystyle n} \u3002\u6700\u5927\u5024\u306f\u3001\u30bf\u30fc\u30cb\u30f3\u30b0\u30dd\u30a4\u30f3\u30c8\u3067\u767a\u751f\u3057\u307e\u3059 \u79c1 \uff08 t \uff09\uff09 {displaystyle i\uff08t\uff09} a dIdt| t w= r\u22c5N4{displaystyle {frac {mathrm {d} i} {mathrm {d} t}} | t_ {w} = {frac {rcdot n} {4}}}}} \u3002 \u306e\u4e8c\u5ea6\u76ee\u306e\u6d3e\u751f \u79c1 \uff08 t \uff09\uff09 {displaystyle i\uff08t\uff09} \uff1a d2Idt2= r 2de n de \uff08 1\u22122IN\uff09\uff09 de \uff08 1\u2212IN\uff09\uff09 {displaystyle {frac {mathrm {d}^{2} i} {mathrm {d} t^{2}}} = r^{2} cdot ncdot\u5de6\uff081- {frac {2i} {n}}\u53f3\uff09 \u3002 \u540c\u3058\u3082\u306e\u306b\u306f\u30010\u3001n\/2\u3001\u304a\u3088\u3073N\u306b3\u3064\u306e\u30bc\u30ed\u30dd\u30a4\u30f3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u521d\u306e2\u3064\u306e\u30bc\u30ed\u30dd\u30a4\u30f3\u30c8\u306e\u9593\u306b\u306f\u6700\u5927\u5024\u304c\u3042\u308a\u307e\u3059\u3002 \u79c1 1= N2de \uff08 1\u221213\uff09\uff09 = 0.221 3 de n {displaystyle i_ {1} = {frac {n} {2}} cdot left\uff081- {frac {1} {sqrt {3}}} right\uff09= 0 {\u3001} 2213cdot n} \u3001 d2Idt2| \u79c1 1= r2\u22c5N6\u22c53= 0.096 23 de r 2de n {displaystyle {frac {mathrm {d}^{2} i} {mathrm {d} t^{2}}} | i_ {1} = {frac {r^{2} cdot n} {6cdot {sqrt {sqrt {3}}}}}}}}}}}}}}}} OT n} \u3001 \u6700\u5f8c\u306e2\u3064\u306e\u30bc\u30ed\u30dd\u30a4\u30f3\u30c8\u306e\u9593\u306e\u6700\u5c0f\uff1a \u79c1 2= N2de \uff08 1+13\uff09\uff09 = 0.778 \u516b\u5341\u4e03 de n {displaystyle i_ {2} = {frac {n} {2}} cdot left\uff081+ {frac {1} {sqrt {3}}} right\uff09= 0 {\u3001} 77887cdot n} \u3001 d2Idt2| \u79c1 2= – d2Idt2| \u79c1 1= – 0.096 23 de r 2de n \u3002 {displaystyle {frac {mathrm {d} ^{2} i} {mathrm {d} t ^{2}}} | i_ {2} = – {mathrm {d} ^{2} i} {d} {d} {2}} {{2}} {{2}} {{2}} 23cdot r^{2} cdot N.} \u6c7a\u5b9a\u3059\u308b r {displaystyle r} \u3068 n {displaystyle n} \u306e\u76f8\u5bfe\u7684\u306a\u6642\u9593\u306e\u5909\u5316 \u79c1 \uff08 t \uff09\uff09 {displaystyle i\uff08t\uff09} \u3001 Q {displaystyle q} \u547c\u3073\u304b\u3051\uff1a Q \uff08 t \uff09\uff09 \u559c\u3093\u3067 dIdtI= r de \uff08 1\u2212IN\uff09\uff09 {displaystyle q\uff08t\uff09equiv {frac {frac {mathrm {d} i} {mathrm {d} t}} {i}} = rcdot\u5de6\uff081- {frac {i} {n}}\u53f3\uff09}} \u3002 Q\uff08i\uff09\u306f\u3001\u79c1\u304c\u5897\u52a0\u3059\u308b\u3068\u76f4\u7dda\u7684\u306b\u843d\u3061\u3066\u3044\u307e\u3059\u3002 Q \uff08 \u79c1 = 0 \uff09\uff09 = r {displaystyle q\uff08i = 0\uff09= r} \u3001 Q \uff08 \u79c1 = n \uff09\uff09 = 0 {displaystyle q\uff08i = n\uff09= 0} \u3002 \u56de\u5e30\u5206\u6790\u306e\u4f7f\u7528B.\u3053\u306e\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059 r {displaystyle r} \u3068 n {displaystyle n} \u5b9f\u969b\u306e\u5206\u5e03\u306e\u305f\u3081\u306b\u7c21\u5358\u304b\u3064\u8fc5\u901f\u306b\u6c7a\u5b9a\u3057\u307e\u3059\u3002 SI\u30e2\u30c7\u30eb\u306e\u30ed\u30d0\u30fc\u30c8\u30b3\u30c3\u30db\u7814\u7a76\u6240\u306e\u751f\u6b96\u7387 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] SI\u30e2\u30c7\u30eb\u306e\u30ed\u30d0\u30fc\u30c8\u30b3\u30c3\u30db\u7814\u7a76\u6240\u306e\u751f\u6b96\u7387 \u3053\u306e\u7a2e\u306e\u5206\u5e03\u306b\u3064\u3044\u3066\u306f\u3001Robert Koch Institute r\u306b\u5f93\u3063\u3066\u7e41\u6b96\u7387 RKI [3] [4] r\u5024\u3068\u3082\u547c\u3070\u308c\u3001\u91cd\u8981\u306b\u306a\u308a\u307e\u3057\u305f\uff1a r RKI\uff08 t \uff09\uff09 = I(t)\u2212I(t\u2212s)I(t\u2212s)\u2212I(t\u22122s){displaystyle r_ {text {rki}}\uff08t\uff09= {frac {i\uff08t\uff09-i\uff08t-s\uff09} {i\uff08t-s\uff09-i\uff08t-2s\uff09}}}} \u3068 s = 4 {displaystyle s = 4} \u3068 t \u2265 2 s {displaystyle tgeq 2s} \u3002 i\uff08t\uff09\u304c\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u95a2\u6570\u306b\u7f6e\u304d\u63db\u3048\u3089\u308c\u305f\u5834\u5408\u3001\u7d50\u679c\u306f r RKI\uff08 t \uff09\uff09 = \u305d\u3046\u3067\u3059 \u2212rsde 1+(NI(0)\u22121)e\u2212r(t\u22122s)1+(NI(0)\u22121)e\u2212rt{displaystyle r_ {text {rki}}\uff08t\uff09= e^{ – rs} cdot {frac {1+\uff08{n} {i\uff080\uff09}} – 1\uff09e^{ – rleft\uff08t-2sright\uff09}}} {1+\uff08{n} {n}} {{1\uff09 }} \u3068 r RKI\uff08 – \u221e \uff09\uff09 = \u305d\u3046\u3067\u3059 rs{displaystyle r_ {text {rki}}\uff08 – infty\uff09= e^{rs}} \u3001 r RKI\uff08 2 s \uff09\uff09 = \u305d\u3046\u3067\u3059 \u2212rsde 1+(NI(0)\u22121)1+(NI(0)\u22121)\u22c5e\u22122rs\u2248 \u305d\u3046\u3067\u3059 rs{displaystyle r_ {text {rki}}\uff082s\uff09= e^{ – rs} cdot {frac {1+\uff08{n} {i\uff080\uff09}} – 1\uff09}} {1+\uff08{frac {n} {i\uff080\uff09}}} -1\uff09cdot e^{1\uff09 }} \u3001 r RKI\uff08 \u221e \uff09\uff09 = \u305d\u3046\u3067\u3059 \u2212rs{displaystyle r_ {text {rki}}\uff08infty\uff09= e^{ – rs}} \u3002 R\u5024\u306b\u306f\u6b21\u306e\u4ed6\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u3042\u308a\u307e\u3059\u3002 r RKI\uff08 t w\uff09\uff09 = ers+e\u2212rs2{displaystyle r_ {text {rki}}\uff08t_ {w}\uff09= {frac {e^{rs}+e^{-rs}} {2}}}} \u3001 r RKI\uff08 t w+ s \uff09\uff09 = \u521d\u3081 {displaystyle r_ {text {rki}}\uff08t_ {w}+s\uff09= 1} \u3001 r RKI\uff08 \u79c1 \uff09\uff09 = \u305d\u3046\u3067\u3059 rs – ers\u2212e\u2212rsNde \u79c1 {displaystyle r_ {text {rki}}\uff08i\uff09= e^{rs} – {frac {e^{rs} -e^{ – rs}} {n}} cdot i} \u3002 \u3057\u305f\u304c\u3063\u3066\u3001R\u5024\u306f\u3001\u611f\u67d3\u75c7\u306e\u6570\u5024\u304c\u5897\u52a0\u3059\u308b\u3068\u76f4\u7dda\u7684\u306b\u843d\u3061\u3066\u3044\u307e\u3059\u3002 \u307e\u305f\u306f\u3001\u611f\u67d3\u6cb3\u306e\u6307\u6570\u6210\u9577\u306e\u5f37\u5236\u7dda\u5f62\u5316\u3002 \u5fae\u5206\u65b9\u7a0b\u5f0fDG-0\u3092\u7279\u5fb4\u3068\u3059\u308b\u5fae\u5206\u65b9\u7a0b\u5f0fDG-0\u306b\u3088\u3063\u3066\u7279\u5fb4\u4ed8\u3051\u3089\u308c\u307e\u3059\u3002 0 \uff081 – i 0 \/n\uff09\u6700\u5927\u307e\u3067\u6210\u9577\u3057\u307e\u3059\u3002\u540c\u3058\u3053\u3068\u304c\u533b\u7642\u306e\u53ef\u80fd\u6027\u3092\u8d85\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u5834\u5408\u3001\u305d\u308c\u3092\u6e1b\u3089\u3059\u65b9\u6cd5\u306f2\u3064\u3042\u308a\u307e\u3059\u3002 \u8907\u88fd\u901f\u5ea6\u3092\u524a\u6e1b\u3059\u308b\u3053\u3068\u306b\u3088\u308a r {displaystyle r} \uff08\u885b\u751f\u5bfe\u7b56\u3001\u8ddd\u96e2\u306a\u3069\uff09\u304a\u3088\u3073 \u4e88\u9632\u63a5\u7a2e\uff08\u4e88\u9632\u63a5\u7a2e\u306a\u3069\uff09\u3092\u901a\u3058\u3066\u5065\u5eb7\u306a\u4eba\u3092\u6e1b\u3089\u3059\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u3059\u306a\u308f\u3061\u306e\u6e1b\u5c11 n {displaystyle n} \u3002 \u4e21\u65b9\u306e\u30b1\u30fc\u30b9\u306f\u3001\u57fa\u672c\u7684\u306a\u52d5\u4f5c\u3092\u8a8d\u8b58\u3059\u308b\u305f\u3081\u306b\u3001\u7ba1\u7406\u53ef\u80fd\u306a\u4f8b\u3092\u4f7f\u7528\u3057\u3066\u4ee5\u4e0b\u3067\u691c\u8a0e\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u5c0e\u51fa\u3055\u308c\u305f\u5f37\u5236\u7684\u306a\u5f37\u5236\u7dda\u5f62\u5316\u306b\u306f\u3001\u4e0a\u4f4d\u306e\u4ecb\u5165\u304c\u5fc5\u8981\u3067\u3059\u3002\u3053\u308c\u306e\u6280\u8853\u7528\u8a9e\u306f\u898f\u5236\u3067\u3042\u308a\u3001\u611f\u67d3\u3057\u305f\u793e\u4f1a\u3092\u5b9a\u671f\u7684\u306a\u30eb\u30fc\u30c8\u306b\u3057\u307e\u3059\u3002\u611f\u67d3\u306e\u6f5c\u4f0f\u671f\u9593\u306e\u7d50\u679c\u3068\u3057\u3066\u3001\u7406\u8ad6\u7684\u306b\u306f\u4e0d\u5b89\u5b9a\u306a\u8abf\u7bc0\u304c\u3042\u308a\u3001\u305d\u306e\u6cbb\u7642\u306f\u7ba1\u7406\u30b5\u30a4\u30ba\u306e\u7de9\u3084\u304b\u306a\u5897\u52a0\u306b\u3088\u308a\u554f\u984c\u3068\u306a\u308a\u307e\u3059\uff08\u4ee5\u4e0b\u3092\u53c2\u7167\uff09\u3002\u3053\u308c\u306e\u6271\u3044\u306f\u5c02\u9580\u5bb6\u306e\u305f\u3081\u306b\u4e88\u7d04\u3055\u308c\u3066\u3044\u307e\u3059\u3002 – \u3053\u3053\u3067\u5b9f\u65bd\u3055\u308c\u305f\u898f\u5236\u306e\u5074\u9762\u306f\u3001\u30c9\u30a4\u30c4\u306eCovid-19\u306e\u30e2\u30c7\u30eb\u8003\u616e\u4e8b\u9805\u306b\u3064\u3044\u3066\u30011\/2021\u307e\u3067\u30c9\u30a4\u30c4\u3067\u306f\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u3067\u3057\u305f\uff01 R\u5ec3\u68c4\u7269\u3068\u7b2c2\u6ce2\u306e\u5834\u5408\u306e\u52d5\u4f5c [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \u6642\u9593\u306e\u7d4c\u904e\u3068\u3068\u3082\u306b\u611f\u67d3\u8005\u306e\u30b3\u30fc\u30b9\uff1aSI\u30e2\u30c7\u30eb\u306b\u5f93\u3063\u3066R\u5ec3\u68c4\u7269\u306a\u3057\uff1aI1\u3001SI\u30e2\u30c7\u30eb\u306b\u5f93\u3063\u306610\u65e5\u9593\u306eR\u5ec3\u68c4\u7269\u306e\u5f8c\uff1aI2\u304a\u3088\u3073\u7dda\u5f62\u30b3\u30fc\u30b9\u306eR\u30b8\u30e3\u30f3\u30d7\u5f8c\uff1aI3 1.\u6642\u9593\u306e\u7d4c\u904e\u306b\u4f34\u3046\u611f\u67d3\u8005\u306e\u6642\u9593\u30ac\u30a4\u30c0\u30f3\u30b9\uff1ar\u5ec3\u68c4\u7269\u306a\u3057Si\u30e2\u30c7\u30eb\uff1aI’1\u304a\u3088\u3073r\u5ec3\u68c4\u7269\u306e\u5f8c\u3001Si\u30e2\u30c7\u30eb\u306b\u3088\u308b\u306810\u65e5\u76ee\uff1aI’2 r\u5024\uff08= rrki\uff09\u6642\u9593\u306e\u7d4c\u904e\uff1aSI\u30e2\u30c7\u30eb\u306b\u5f93\u3063\u3066R\u5ec3\u68c4\u7269\u306a\u3057\uff1arrki1\u304a\u3088\u3073r-waste\u306e\u5f8c\u3001Si\u30e2\u30c7\u30eb\uff1arrki2 \u30a2\u30d7\u30ed\u30fc\u30c1DG-0\u3092\u8a18\u8ff0\u3067\u304d\u307e\u3059 dIdt= r effde \u79c1 \u3068 r eff= \uff08 1\u2212IN\uff09\uff09 \u3002 {displaystyle {frac {mathrm {d} i} {mathrm {d} t} = r_ {text {eff}} cdot iquad {text {mit}} quad r_ {eff {eff}} = left\uff081- {frac {i} {n}}}}} \u8907\u88fd\u901f\u5ea6r\u306fSI\u30e2\u30c7\u30eb\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u3053\u306br\u304c\u3042\u308a\u307e\u3059 Eff \u9593\u63a5\u7684\u306b\u7d42\u4e86\u3057\u307e\u3059 \u79c1 \uff08 t \uff09\uff09 {displaystyle i\uff08t\uff09} \u6642\u9593\u306b\u5fdc\u3058\u3066\u3001\u6642\u9593\u306e\u5897\u52a0\u3068\u3068\u3082\u306b\u6e1b\u5c11\u3057\u3001\u611f\u67d3\u3057\u305fI\uff08t\uff09\u306e\u521d\u3081\u3066\u6d3e\u751f\u3057\u305f\u653e\u7269\u7dda\u578b\u306e\u66f2\u7dda\u304c\u958b\u3044\u3066\u3044\u307e\u3059\u3002 \u9593\u63a5\u7684\u306a\u6642\u9593\u4e2d\u6bd2\u306e\u4ee3\u308f\u308a\u306b\u3001\u76f4\u63a5\u7684\u306a\u6642\u9593\u4e2d\u6bd2\u304c\u73fe\u5728\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u9078\u629e\u3057\u305f\u4f8b\u306e\u753b\u50cf\u3067\u306f\u3001\u98db\u3073\u8df3\u306d\u308b s = 10 d r 2 = r\/7\u306ft\u3067\u306e\u30bf\u30fc\u30cb\u30f3\u30b0\u30dd\u30a4\u30f3\u30c8\u306e\u524d\u306b\u6e1b\u5c11\u3057\u307e\u3057\u305f \u306e = 20 d\u3002\u8a08\u7b97\u306f\u3001\u5fae\u5206\u65b9\u7a0b\u5f0f\u306e\u6570\u5024\u3067\u306f\u306a\u304f\u3001\u6bce\u65e5\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u306e\u5dee\u7570\u65b9\u7a0b\u5f0f\u3067\u6570\u5024\u7684\u306b\u884c\u308f\u308c\u308b\u305f\u3081\u3001\u5c0f\u3055\u306a\u9055\u3044\u304c\u751f\u3058\u307e\u3059\u304c\u3001\u57fa\u672c\u7684\u306a\u52d5\u4f5c\u306b\u306f\u5f71\u97ff\u3057\u307e\u305b\u3093\u3002\u3067\u884c\u308f\u308c\u307e\u3059 \u79c1 \uff08 t \uff09\uff09 {displaystyle i\uff08t\uff09} \u3088\u308a\u4f4e\u3044\u8907\u88fd\u901f\u5ea6\u306b\u5f93\u3063\u3066\u3001\u304a\u3088\u3073Di\/dt\u306e\u5834\u5408\u3001\u524d\u8ff0\u306e\u4f8b\u3068\u540c\u69d8\u306e\u6700\u5927\u5024\u306b\u5fdc\u3058\u3066\u3001\u3088\u308a\u30d5\u30e9\u30c3\u30c8\u306a\u30b3\u30fc\u30b9\u306e\u30ad\u30f3\u30af\u3002\u306e\u5e73\u5766\u5316 \u79c1 \uff08 t \uff09\uff09 {displaystyle i\uff08t\uff09} \u65b0\u3057\u3044\u30bf\u30fc\u30cb\u30f3\u30b0\u30dd\u30a4\u30f3\u30c8t\u306b\u3064\u306a\u304c\u308a\u307e\u3059 WS \uff1a t ws\u2248 t s< t w\u3001 {displaystyle t_ {text {ws}} compx t_ {s} \u3053\u308c\u306b\u3088\u308a\u3001\u7dcf\u91cf\u304c\u4f4e\u304f\u306a\u308a\u307e\u3059 n {displaystyle n} \u4eba\u53e3\u306f\u507d\u9020\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306e\u5177\u4f53\u7684\u306a\u4f8b\u306f\u3001Covid-19\u306e\u3055\u307e\u3056\u307e\u306a\u56fd\u306e\u611f\u67d3\u66f2\u7dda\u3067\u3059\u3002 \u3055\u3089\u306b\u3001\u4e00\u6b21\u611f\u67d3\u306e\u5909\u6570\u3068\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b91\u3001r\u7121\u99c4\u306e\u5f8c\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b91\u306b\u63d0\u4f9b\u3055\u308c\u307e\u3059\u3002 \u521d\u3081 \uff08t WS \uff09\u65b0\u3057\u3044\u611f\u67d3\u66f2\u7dda\u306e\u521d\u671f\u5024\u306f \u79c1 2\uff08 0 \uff09\uff09 = \u79c1 2\uff08 t – t s\uff09\uff09 = \u79c1 1\uff08 t ws\uff09\uff09 {displaystyle i_ {2}\uff080\uff09= i_ {2}\uff08t-t_ {s}\uff09= i_ {1}\uff08t_ {text {ws}}\uff09} \u30bf\u30fc\u30cb\u30f3\u30b0\u30dd\u30a4\u30f3\u30c8\u304c\u3042\u308a\u307e\u3059 t w2= ln \u2061 NI2(0)\u22121+ t s{displaystyle t_ {text {w2}} = ln {frac {n} {i_ {2}\uff080\uff09-1}}+t_ {s}}} \u306e\u6700\u5927\u306e\u5909\u66f4 dI2dt| \u30de\u30c3\u30af\u30b9 = r2\u22c5N4< r1\u22c5N4\u3002 {displaystyle {frac {di_ {2}} {dt}} | {text {max}} = {frac {r_ {2} cdot n} {4}} t i\uff09\uff09 < \u79c1 \uff08 t \uff09\uff09 {displaystyle i\uff08t-t_ {i}\uff09 \u6e2c\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044 \u79c1 \uff08 t \uff09\uff09 {displaystyle i\uff08t\uff09} \u3002\u306e\u6642\u306b t – t \u79c1 {displayStyle t-t_ {i}} \u73fe\u5728\u307e\u3067 t {displaystylet} \u611f\u67d3\u306e\u6570\u306f\u3055\u3089\u306b\u5897\u3048\u307e\u3057\u305f\u3002\u3060\u304b\u3089\u73fe\u5728\u306e\u307f\u3067\u304d\u307e\u3059 t {displaystylet} \u4eba\u53e3\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308bz\u3002 B.\u8907\u88fd\u4fc2\u6570\u3092\u6e1b\u3089\u3059\u3053\u3068\u306b\u3088\u308a r {displaystyle r} \u3002\u975e\u767b\u9332\u3055\u308c\u305f\u611f\u67d3\u306f\u3001\u611f\u67d3\u3068\u306e\u95d8\u3044\u306e\u7d50\u679c\u3068\u3057\u3066\u3001\u96c6\u56e3\u304c\u596a\u308f\u308c\u308b\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u64a4\u56de\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u308f\u305a\u304b\u306a\u8907\u88fd\u901f\u5ea6\u3067\u3042\u3063\u3066\u3082\u3001\u6b21\u306e\u6ce2\u3068\u6b21\u306e\u6ce2\u3092\u30c8\u30ea\u30ac\u30fc\u3067\u304d\u308b\u5834\u5408\u3067\u3082\u3001\u6709\u9650\u3067\u3059\u3002\u8907\u88fd\u901f\u5ea6\u306f\u3001\u65b0\u3057\u3044\u6ce2\u3092\u7b11\u3044\u3001\u3057\u305f\u304c\u3063\u3066\u9577\u3055\u3092\u5f15\u3063\u5f35\u308b\u305f\u3081\u306b\u3001\u898f\u5f8b\u3068\u5f37\u5236\u306b\u3088\u3063\u3066\u3067\u304d\u308b\u3060\u3051\u4f4e\u304f\u4fdd\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u771f\u306e\u611f\u67d3i\u306e\u66f2\u7ddai \u306e \uff08t\uff09\u304a\u3088\u3073\u767b\u9332\u3055\u308c\u305f\u611f\u67d3\u3057\u305fI\u306e\u3082\u306e r \uff08t\uff09\u306f\u3001\u30a4\u30f3\u30ad\u30e5\u30d9\u30fc\u30b7\u30e7\u30f3\u671f\u9593\u306e\u6642\u9593\u30b7\u30d5\u30c8\u3092\u4f34\u30462\u3064\u306e\u540c\u4e00\u306e\u66f2\u7dda\u3067\u3059\u3002\u71b1\u529b\u5b66\u306e2\u756a\u76ee\u306e\u4e3b\u8981\u6761\u9805\u306b\u985e\u4f3c\u3057\u3066\u3001\u969c\u5bb3\u306e\u305f\u3081\u306e\u52aa\u529b\u304c\u8d77\u3053\u308a\u307e\u3059 [5] \u3001\u305d\u306e\u305f\u3081\u3001\u8907\u88fd\u901f\u5ea6r\u304c\u5897\u52a0\u3057\u305f\u5f8c\u306b\u885d\u52d5\u304c\u3042\u308a\u307e\u3059\u3002\u81ea\u7531\u5dde\u306e\u30b6\u30af\u30bb\u30f3\u5dde\u306e\u30de\u30a4\u30b1\u30eb\u30fb\u30af\u30ec\u30c3\u30b7\u30e3\u30fc\u5dde\u306e\u9996\u76f8\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u3053\u306e\u884c\u52d5\u3092\u30dd\u30a4\u30f3\u30c8\u306b\u3082\u305f\u3089\u3057\u307e\u3057\u305f\uff1a\u300c\u7de9\u3080\u6b32\u6c42\u3057\u304b\u306a\u3044\u300d\u3002 [6] \u53ef\u80fd\u306a\u9650\u308a2\u756a\u76ee\u306e\u6ce2\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u3001\u30ec\u30b8\u30b9\u30c8\u30ea\u306f\u771f\u306e\u611f\u67d3\u6570\u3001\u3064\u307e\u308aH.\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059 \u79c1 R\uff08 t – t i\uff09\uff09 = \u79c1 R\uff08 t \uff09\uff09 {displaystyle i_ {r}\uff08t-t_ {i}\uff09= i_ {r}\uff08t\uff09} \u3002 \u3057\u305f\u304c\u3063\u3066\u3001\u611f\u67d3\u75c7\u306e\u6570\u306f\u4e00\u5b9a\u3067\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u306e\u3053\u306e\u6761\u4ef6\u306f\u3001\u4ee5\u524d\u306b\u8a2d\u8a08\u3055\u308c\u305f\u3082\u306e\u306b\u5f93\u3063\u3066\u7121\u95a2\u4fc2\u3067\u3059\u3002\u8a00\u3044\u63db\u3048\u308c\u3070\u3001\u611f\u67d3\u8005\u306e\u66b4\u9732\u306b\u533b\u7642\u306e\u8ca0\u62c5\u3092\u7dad\u6301\u3059\u308b\u3060\u3051\u3067\u5341\u5206\u3067\u3059\u3002 0}”>\u3002 \u4e0a\u8a18\u3068\u540c\u3058\u4e3b\u5f35\u3002 \u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001SI\u30e2\u30c7\u30eb\u306f\u6700\u521d\u306b\u305d\u306e\u3088\u3046\u306a\u7528\u8a9e\u306b\u3088\u3063\u3066\u62e1\u5f35\u3055\u308c\u3001\u6b21\u306b\u524d\u8ff0\u306e\u30af\u30ec\u30fc\u30e0\u304c\u62e1\u5f35\u3055\u308c\u305fSI\u30e2\u30c7\u30eb\u3068\u6bd4\u8f03\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u6700\u7d42\u7684\u306b\u5fc5\u8981\u3067\u3059\u3002 \u611f\u67d3\u75c7\u306espread\u5ef6\u306b\u95d8\u3046\u3088\u3046\u306b\u8981\u6c42\u3057\u307e\u3059 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \u6bcd\u96c6\u56e3\u304c\u5f7c\u3089\u6b21\u7b2c\u3067\u3042\u308b\u5834\u5408\u3001\u4eba\u53e3\u306f\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066SI\u30e2\u30c7\u30eb\u306b\u5f93\u3063\u3066\u52d5\u4f5c\u3057\u307e\u3059 r {displaystyle r} \u3068 n {displaystyle n} \u72b6\u614b\u5909\u6570\u3068\u540c\u69d8\u306b \u79c1 \uff08 t \uff09\uff09 {displaystyle i\uff08t\uff09} \u3002\u4e0a\u8a18\u306e\u7406\u7531\u306b\u3088\u308a\u3001\u4eba\u53e3\u306f\u5f37\u5236\u3055\u308c\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u305d\u308c\u304c\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 dICdt= dISIdt{displaystyle {frac {mathrm {d} i_ {c}} {mathrm {d} t}} = {frac {mathrm {d} i_ {text {si}}} {mathrm {d} t}}}}}}} \uff01 \u3053\u308c\u306f\u7d50\u679c\uff1a c = r de \u79c1 \uff08 t \uff09\uff09 de \uff08 1\u2212I(t)N\uff09\uff09 {displaystyle c = rcdot i\uff08t\uff09cdot left\uff081- {frac {i\uff08t\uff09} {n}}\u53f3\uff09} \u3002 \u307e\u305f\u306f\u305d\u308c\u3092\u9055\u3063\u305f\u65b9\u6cd5\u3067\u8a00\u3046\uff1a [\u30ce\u30fc\u30c82] dIdt= k + r de \u79c1 \uff08 t \uff09\uff09 de \uff08 1\u2212I(t)N\uff09\uff09 {displaystyle {frac {mathrm {d} i} {mathrm {d} t}} = k+rcdot i\uff08t\uff09cdot left\uff08{frac {i\uff08t\uff09} {n}}}}} \u3068 k = – c \u3002 {displaystyle k = -c\u3002} \uff08DG-1\uff09 \u3053\u306e\u5fae\u5206\u65b9\u7a0b\u5f0f\u306b\u306f\u89e3\u6c7a\u7b56\u304c\u3042\u308a\u307e\u3059 dIdt= 0 {displaystyle {frac {mathrm {d} i} {mathrm {d} t}} = 0} \uff1f \u306f\u3044\uff01\u8ca0\u306ek\u5024\u304c\u3042\u308b\u5834\u5408\u3001\u5fae\u5206\u65b9\u7a0b\u5f0f\u306e\u53f3\u5074\u306b2\u3064\u306e\u7af6\u5408\u4ed6\u793e\u304c\u3044\u307e\u3059\uff1a\u9023\u9396\u672b\u7aef\u306b\u5bfe\u3059\u308b\u611f\u67d3\u3002\u4e21\u65b9\u306e\u7528\u8a9e\u304c\u88dc\u511f\u3059\u308b\u5834\u5408\u3001\u305d\u308c\u3089\u306e\u8981\u7d04\u306e\u5909\u66f4\u306f\u30bc\u30ed\u3067\u3059\u304c\u3001\u4e21\u65b9\u306e\u7528\u8a9e\u306f\u30bc\u30ed\u3068\u306f\u7570\u306a\u308a\u307e\u3059\u3002 k\u5024\u306f\u5b9a\u6570\u3067\u3042\u308b\u305f\u3081\u3001\u611f\u67d3\u3057\u305f\u6570\u30821\u3064\u3067\u3059\u3002 D. h\u3002\u3057\u304b\u3057\u3001\u305d\u308c\u304cA\u3068\u540c\u3058\u611f\u67d3\u8005\u3067\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u65b0\u3057\u3044\u611f\u67d3\u8005\u304c\u8ffd\u52a0\u3055\u308c\u3001\u540c\u6642\u306b\u4ed6\u306e\u4eba\u304c\u670d\u7528\u3055\u308c\u307e\u3059\u3002\u305d\u308c\u306f1\u3064\u304b\u3089\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059 \u52d5\u7684\u306b\u5b89\u5b9a\u3057\u305f\u72b6\u614b \u8a71\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u307e\u3067\u306b\u611f\u67d3\u3057\u305f\u7dcf\u6570i \u5408\u8a08\u3067 \uff08t\uff09\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 \u79c1 gesamt\uff08 t \uff09\uff09 = \u79c1 0+ k t {displaystyle i_ {text {gesamt}}\uff08t\uff09= i_ {0}+kt} \u3068 \u79c1 0= \u79c1 gesamt\uff08 0 \uff09\uff09 {displaystyle i_ {0} = i_ {text {gesamt}}\uff080\uff09} \u3002 \u611f\u67d3\u8005\u306e\u7dcf\u6570\u306f\u3001\u6307\u6570\u95a2\u6570\u7684\u3067\u306f\u306a\u304f\u76f4\u7dda\u7684\u306b\u306e\u307f\u6210\u9577\u3057\u307e\u3059\u3002 \u3053\u308c\u306b\u95a2\u4fc2\u306a\u304f\u3001\u3053\u306e\u5fae\u5206\u65b9\u7a0b\u5f0f\u306f\u307e\u3060\u4fee\u6b63\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 K\u671f\u9593\u306e\u7d50\u679c\u3068\u3057\u3066\u3001\u4eba\u53e3\u306f\u6210\u9577\u307e\u305f\u306f\u4e0b\u843d\u3057\u307e\u3059 n + k t {displaystyle n+kt} \uff1a dIdt= k + r de \u79c1 \uff08 t \uff09\uff09 de \uff08 1\u2212I(t)N+kt\uff09\uff09 {displaystyle {frac {mathrm {d} i} {mathrm {d} t}} = k+rcdot i\uff08t\uff09cdot left\uff081- {frac {i\uff08t\uff09} {n+kt}}\u53f3\uff09}} \u3002 \uff08DG-2\uff09 \u8aac\u660e\u3057\u305f\u3088\u3046\u306b\u3001\u5fae\u5206\u65b9\u7a0b\u5f0fDG-2\u306fDG-1\u3088\u308a\u3082\u6b63\u3057\u3044\u304c\u3001\u6570\u5024\u7684\u306b\u89e3\u6c7a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u306b\u5bfe\u3057\u3001\u5fae\u5206\u65b9\u7a0b\u5f0fDG-1\u306f\u5206\u6790\u7684\u306b\u89e3\u6c7a\u3067\u304d\u308b\u305f\u3081\u3001\u5b9a\u6027\u7684\u306a\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306b\u3064\u306a\u304c\u308b\u3002\u305f\u3060\u3057\u3001DG-2\u306f\u5c0f\u3055\u306a\u3082\u306e\u3092\u4f7f\u7528\u3057\u307e\u3059 \u79c1 \uff08 t \uff09\uff09 {displaystyle i\uff08t\uff09} \uff08 \u79c1 \uff08 t \uff09\uff09 \u226a n {displaystyle i\uff08t\uff09ll n} \uff09DG-1\u3002\u3057\u305f\u304c\u3063\u3066\u3001DG-1\u306f\u6700\u521d\u306b\u4ee5\u4e0b\u3067\u8abf\u3079\u3089\u308c\u3001\u6b21\u306bDG-2\u306b\u62e1\u5f35\u3055\u308c\u307e\u3059\u3002 \u5fae\u5206\u65b9\u7a0b\u5f0fDG-1\u306b\u5f93\u3063\u3066SI\u30e2\u30c7\u30eb\u3092\u62e1\u5f35\u3057\u307e\u3057\u305f [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \u5fae\u5206\u65b9\u7a0b\u5f0fDG-1\u306b\u5f93\u3063\u3066\u3001\u6642\u9593t\u3068\u5897\u52a0\/\u53d7\u3051\u5165\u308cK\u306b\u5fdc\u3058\u3066\u5f37\u5236\u30b3\u30fc\u30b9 \u30cf\u30fc\u30d5\u30e9\u30a4\u30d5t \u306e \u5fae\u5206\u65b9\u7a0b\u5f0f\u306b\u3088\u308b\u3068\u3001DG-1\u306e\u5897\u52a0\/\u53d7\u3051\u5165\u308ck r RKI \uff08t\uff09DG-0\u304a\u3088\u3073DG-1\u306e\u5834\u5408 \u524d\u8ff0\u306e\u4e3b\u5f35\u306f\u3001SI\u30e2\u30c7\u30eb\u306e\u62e1\u5927\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u3001\u50be\u5411\u3092\u5c0e\u304d\u51fa\u3057\u3001\u57fa\u672c\u7684\u306a\u884c\u52d5\u3092\u7406\u89e3\u3059\u308b\u3088\u308a\u3082\u3001\u6b63\u78ba\u306a\u7d50\u679c\u307e\u305f\u306f\u6b63\u78ba\u306a\u4e88\u6e2c\u3092\u9054\u6210\u3059\u308b\u306e\u306b\u9069\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u4ee5\u4e0b\u306b\u8aac\u660e\u3059\u308b\u62e1\u5f35\u3055\u308c\u305fSI\u30e2\u30c7\u30eb\u306b\u52a0\u3048\u3066\u3001\u3053\u306e\u57fa\u672c\u30e2\u30c7\u30eb – \u5fae\u5206\u65b9\u7a0b\u5f0fDG-0-\u306f\u4e00\u5b9a\u306e\u5171\u6709\u306e\u5468\u308a\u306b\u3042\u308a\u307e\u3059 k {displaystyle k} \u5b8c\u4e86\u3059\u308b\u3002\u3053\u308c\u306b\u306f2\u3064\u306e\u7406\u7531\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305a\u3001\u611f\u67d3\u3057\u305f\u3082\u306e\u306e\u4f9b\u7d66\u306f \u3068 {displaystyle with} \uff08\u4f8b\u3048\u3070\u3001\u30b3\u30ed\u30ca\u306e\u30ea\u30b9\u30af\u30a8\u30ea\u30a2\u304b\u3089\u306e\u65c5\u884c\u8005\uff09\u304a\u3088\u3073\u7b2c\u4e8c\u306b\u3001\u611f\u67d3\u3057\u305f\u9664\u53bb\uff08\u4f8b\uff1a\u611f\u67d3\u9396\u306e\u7d42\u4e86\u306e\u76ee\u7684\u3067\uff09\u3002 2\u3064\u306e\u96fb\u6d41\u306e\u9055\u3044\u304c\u6709\u52b9\u306b\u306a\u308a\u307e\u3059\u3002 k = \u3068 – \u305d\u3046\u3067\u3059 {displaystyle k = z-e} \u3068 0″>\u6982\u8981\u306e\u6442\u53d6\u91cf\u3068 k < 0 {displaystyle k \uff08 1\u2212IN\uff09\uff09 \u3002 {displaystyle {frac {mathrm {d} i} {mathrm {d} t}} = k+rcdot icdot left\uff081- {frac {i} {n}}\u53f3\uff09;\u3002} \u306e\u6b63\u65b9\u5f62\u306e\u5f62 \u79c1 \uff08 t \uff09\uff09 {displaystyle i\uff08t\uff09} \u53f3\u5074\u306b\u306f2\u3064\u306e\u89e3\u6c7a\u7b56\u304c\u3042\u308a\u307e\u3059\u3002 \u79c1 1\/2= N2\u00b1 (N2)2+Nkr= N2de \uff08 1\u00b11+4kNr\uff09\uff09 = N2de \uff08 \u521d\u3081 \u00b1 \u306e \uff09\uff09 {displaystyle i_ {text {1\/2}} = {frac {n} {2}} pm {sqrt {left\uff08{frac {n} {2}}\u53f3\uff09^{2}+{frac {nk} {r}}}}} = {{{{{2m} {2m} {{{2m}} {{2m}} {{2m}} {{2m}} {{2M}} {{2M}} {{2m} {{2m\uff09 t {1+ {frac {4k} {nr}}}}\u53f3\uff09= {frac {n} {2}} cdot\uff081pm w\uff09}} \u3068 \u306e = 1+4kNr\u3002 {displaystyle w = {sqrt {1+ {frac {4k} {nr}}}}}}} \u3053\u306e\u7d50\u679c\u306f\u3001k = 0\u3067dg-0\u306e\u65e2\u77e5\u306e\u7d50\u679c\u306b\u8ee2\u9001\u3055\u308c\u307e\u3059\u3002\u7d71\u5408 [2] \u3057\u305f\u304c\u3063\u3066\u3001\u7d50\u679c \u79c1 \uff08 t \uff09\uff09 = N2de w+1+(w\u22121)\u22c5f\u22c5e\u2212rwt1+f\u22c5e\u2212rwt{displaystyle i\uff08t\uff09= {frac {n} {2}} cdot {frac {w+1+left\uff08w-1right\uff09cdot fcdot e^{ – rwt}}} {1+fcdot e^{-rwt}}}}}}} dIdt= N\u22c5r\u22c5w2\u22c5f\u22c5e\u2212rwt(1+f\u22c5e\u2212rwt)2{displaystyle {frac {d} i} {mathrm {d} t} t} = {frac {ncdot rcdot w^{2} cdot fcdot e^{ – rwt} {left} {left\uff081+fcdot e^{rwt}}}}}}}}}} f = I1\u2212I0I0\u2212I2= – N\u22c51+w2\u2212I0N\u22c51\u2212w2\u2212I0{displaystyle f = {frac {i_ {1} -i_ {0}} {i_ {0} -i_ {2}}}} = – {ncdot {frac {1+w} {2}} – i_ {0}} {{{{{} {} {} {} {} {} {} {} {} {}} }}} \u79c1 0= \u79c1 \uff08 0 \uff09\uff09 {displaystyle i_ {0} = i\uff080\uff09} \u79c1 1= \u79c1 \uff08 \u221e \uff09\uff09 = N2de \uff08 \u521d\u3081 + \u306e \uff09\uff09 {displaystyle i_ {1} = i\uff08infty\uff09= {frac {n} {2}} cdot\uff081+w\uff09} \u79c1 2= \u79c1 \uff08 – \u221e \uff09\uff09 = N2de \uff08 \u521d\u3081 – \u306e \uff09\uff09 {displaystyle i_ {2} = i\uff08-infty\uff09= {frac {n} {2}} cdot\uff081-w\uff09} t w\uff08 \u3068 \uff09\uff09 = ln\u2061(f)rw{displaystyle t_ {w}\uff08z\uff09= {frac {ln\uff08f\uff09} {r_ {w}}}}} \u3067 \u79c1 \uff08 t w\uff09\uff09 = n \/ 2\u3002 {displaystyle i\uff08t_ {w}\uff09= n\/2\u3002} \u6210\u9577\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u30bf\u30fc\u30cb\u30f3\u30b0\u30dd\u30a4\u30f3\u30c8\u306f\u540c\u3058\u3088\u308a\u3082\u65e9\u304f\u767a\u751f\u3057\u3001\u9006\u3082\u540c\u69d8\u3067\u3059\u3002\u66f2\u7dda\u3082\u5b9f\u884c\u3055\u308c\u307e\u3059 \u79c1 \uff08 t \uff09\uff09 {displaystyle i\uff08t\uff09} \u305d\u308c\u4ee5\u4e0a\u306e\u6210\u9577\u304c\u540c\u3058\u3067\u3001\u305d\u306e\u9006\u3082\u540c\u69d8\u3067\u3059\u30022\u3064\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3i 1\/2 \u6761\u4ef6\u4e0b\u3067\u672c\u7269\u3067\u3059 \u521d\u3081 + 4kNr\u2265 0 {displaystyle 1+ {frac {4k} {nr}} geq 0} \u307e\u305f\u3002 k \u2265 – Nr4\u559c\u3093\u3067 k min\u3002 {displaystyle kgeq -{frac {nr} {4}} equiv {text {min}}}} 2\u756a\u76ee\u306e\u6761\u4ef6\u306f\u3001\u53d7\u3051\u5165\u308c\u304c\u3042\u308b\u3068\u304d\u306b\u751f\u3058\u307e\u3059\uff08\u3064\u307e\u308a\u3001\u8ca0 k {displaystyle k} \uff09\u6700\u521d\u306f\u3068\u3066\u3082\u5927\u304d\u3044 t = 0 {displaystylet = 0} \u5909\u5316 dIdt|t=0= 0 {displaystyle {frac {mathrm {d} i} {mathrm {d} t}} | _ {t = 0} = 0} \u9069\u7528\u53ef\u80fd\u3067\u3059\u3002\u305d\u308c\u304c\u7d9a\u304d\u307e\u3059 k 0= – r de \u79c1 0de \uff08 1\u2212I0N\uff09\uff09 \u3002 {displaystyle k_ {0} = -rcdot i_ {0} cdot left\uff081- {frac {i_ {0}} {n}}\u53f3\uff09\u3002}} \u305f\u3060\u3057\u3001\u611f\u67d3\u9396\u306f\u3001\u611f\u67d3\u8005\u304c\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u3064\u307e\u308a\u3001\u9664\u53bb\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002 H. K\u2265K 0 \u3002\u505c\u6b62\u3001\u611f\u67d3\u30b7\u30ca\u30ea\u30aa\u306e\u7d42\u4e86\u306f\u3001\u4e88\u9632\u63a5\u7a2e\u3092\u901a\u3058\u3066\u611f\u67d3\u3092\u9632\u3050\u3053\u3068\u306b\u3088\u3063\u3066\u306e\u307f\u3001\u4f8b\u3048\u3070B.\u30ef\u30af\u30c1\u30f3\u63a5\u7a2e\u306b\u3088\u3063\u3066\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\uff08n+kt-> 0\u3001\u3059\u306a\u308f\u3061k 0″>\u5897\u52a0\u306e\u305f\u3081\u306b k < 0 {displaystyle k 0.227 4 \/ d {displaystyle k_ {0} = -0 {\u3001} 2274\/d} \u3068 k min= – 5,744 \/ d \u3002 {displaystyle k_ {text {min}} = -5 {\u3001} 744\/d\u3002} \u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30c8\u30e9\u30c3\u30d7I\uff08T\u3001K\u306e\u5897\u52a0\u304b\u3089\u53d7\u3051\u5165\u308c\u3078\u306e\u79fb\u884c\u3068\u305d\u306e\u9006\u3078\u306e\u79fb\u884c 0 \uff09=\u5b9a\u6570\u306f\u5dee\u5206\u3067\u3059\u3002\u91cd\u8981\u306a\u30b1\u30fc\u30b9\u306f\u3001\u4e0d\u5b89\u5b9a\u306a\u30d0\u30e9\u30f3\u30b9\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002 k\u3067\u4eba\u53e3\u304b\u3089\u306e\u9664\u53bb 0 \u2265k\u306fz\u306b\u306a\u308a\u307e\u3059\u3002 B.\u5065\u5eb7\u7684\u306a\u30ef\u30af\u30c1\u30f3\u63a5\u7a2e\u306b\u3088\u3063\u3066\u53ef\u80fd\u3002 \u30af\u30e9\u30b7\u30c3\u30afSI\u30e2\u30c7\u30eb\u306b\u5f93\u3063\u3066\u5168\u6bcd\u96c6\u56e3\u304c\u611f\u67d3\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30c0\u30d6\u30eb\u30cf\u30fc\u30d5\u30e9\u30a4\u30d52\u30fbLN\uff08n\/i 0 -1\uff09\/r\u3001\u3053\u308c\u306fDG-1\u3067\u3001\u305f\u3068\u3048\u3070\uff08n\/ri\u3067\u884c\u308f\u308c\u307e\u3059 0 \uff09\u3001\u3053\u308c\uff1a 2 de ln\u2061(NI0\u22121)r< NrI0{displaystyle 2cdot {frac {ln left\uff08{frac {n} {i_ {0}}} – 1 right\uff09} {r}} t \u521d\u3081 \uff09\u3001r\u304a\u3088\u3073k 02 \u2261K 0 \uff08\u79c1 02 \uff09MIT I. 01 k 02 \u9054\u6210\u3055\u308c\u3001\u305d\u306e\u5f8c\u306e\u5f90\u3005\u306b\u6210\u9577\u3059\u308b\u884c\u52d5\u306b\u306a\u308a\u307e\u3057\u305f \u79c1 \uff08 t \uff09\uff09 {displaystyle i\uff08t\uff09} \u30ea\u30fc\u30c9\u3002\u3053\u306e\u65b9\u6cd5\u3067\u306e\u4f4e\u3044\u30ec\u30d9\u30eb\u306e\u6e1b\u5c11\u306f\u4e0d\u53ef\u80fd\u3067\u3059\uff01\u77ed\u671f\u30a2\u30af\u30bb\u30b9\u306b\u306f\u6052\u4e45\u7684\u306a\u8ffd\u52a0\u306e\u52aa\u529b\u304c\u5fc5\u8981\u3067\u3059\u3002\u8ffd\u52a0\u306e\u52aa\u529b\u304c\u5236\u9650\u3055\u308c\u3066\u3044\u308b\u305f\u3081\uff08\u4f8b\uff1a\u30af\u30ea\u30cb\u30c3\u30af\u306e\u30d9\u30c3\u30c9\u306e\u6570\u3001\u611f\u67d3\u9396\u306e\u8ffd\u8de1\uff09\u3001\u3055\u3089\u306a\u308b\u6210\u9577\u306f\u8907\u88fd\u901f\u5ea6\u3092\u4e0b\u3052\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u306e\u307f\u4f7f\u7528\u3067\u304d\u307e\u3059 r {displaystyle r} \u5f37\u5236\u3055\u308c\u307e\u3059\uff08\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\uff01\uff09\u3002 \u5b89\u5b9a\u3057\u305f\u72b6\u614b r\u306b\u3088\u3063\u3066\u7279\u5fb4\u4ed8\u3051\u3089\u308c\u307e\u3059 RKI = 1\u3001\u4f4e\u3044\u72b6\u614b\u304b\u3089\u306e\u79fb\u884c\uff08\u3053\u3053\u3067\u79c1\u306f 01 \uff09\u3088\u308a\u9ad8\u3044\u72b6\u614b\u306b\uff08\u3053\u3053\u3067i 02 \uff09r\u306e\u526f\u9f3b\u8154\u306e\u3088\u3046\u306a\u6ce2\u306b\u3088\u3063\u3066\u7279\u5fb4\u4ed8\u3051\u3089\u308c\u307e\u3059 RKI – \u6700\u521d\u306br\u3092\u5897\u3084\u3057\u307e\u3059 RKI > 1\u7d9a\u3044\u3066r\u304c\u6e1b\u5c11\u3057\u307e\u3059 RKI 0\uff09\u3001 \u3053\u308c\u3089\u306e\u63aa\u7f6e\u306e\u6cd5\u7684\u78ba\u8a8d\u306f\u3001\u63d0\u6848\u3055\u308c\u305f\u63aa\u7f6e\u306b\u5bfe\u3059\u308b\u9061\u53ca\u7684\u5f71\u97ff\u3068 \u793e\u4f1a\u306b\u3088\u308b\u63aa\u7f6e\u306e\u5b9f\u65bd\u3068\u53d7\u3051\u5165\u308c\u3002 \u5c11\u91cf\u306e\u8907\u88fd\u901f\u5ea6\u3067\u3042\u3063\u3066\u3082\u3001\u3059\u3079\u3066\u306e\u6b7b\u3093\u3060\u6642\u9593\u306e\u5408\u8a08 r\u30fbtot > 1\uff09\u3068\u3068\u308a\u308f\u3051\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30eb\u30fc\u30d7\u306e\u5b89\u5b9a\u6027\u3092\u56f0\u96e3\u306b\u9665\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30c7\u30c3\u30c9\u30bf\u30a4\u30e0\u30e1\u30f3\u30d0\u30fc\u306e\u901a\u5e38\u306e\u5186\u306e\u52d5\u4f5c\u306f\u6570\u5024\u7684\u306b\uff08\u5206\u6790\u7684\u3067\u306f\u306a\u3044\uff09\u6570\u5024\u7684\u306b\u306e\u307f\u8abf\u3079\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3067\u3059\u3002\u56fa\u6709\u306e\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u52d5\u4f5c\u3092\u6301\u30642\u70b9\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306e\u52d5\u4f5c\u3092\u6bd4\u8f03\u3059\u308b\u3053\u3068\u3067\u3059\u3002 \u611f\u67d3\u75c7\u304c\u3088\u308a\u9032\u884c\u3057\u3001\u3057\u305f\u304c\u3063\u3066\u611f\u67d3\u96fb\u6d41\u304c\u5927\u304d\u3044\u307b\u3069 d \u79c1 \/ d t {displaystyle mathrm {d} i\/mathrm {d} t} \u611f\u67d3\u9396\u3068\u885b\u751f\u6e2c\u5b9a\u3092\u7834\u58ca\u3059\u308b\u305f\u3081\u306b\u3088\u308a\u8907\u96d1\u3067\u3059\u3002 \u8aac\u660e\u3055\u308c\u305f\u884c\u52d5\u3092\u73fe\u5b9f\u306b\u6570\u3067\u8868\u73fe\u3059\u308b\u3053\u3068\u304c\u56f0\u96e3\u3067\u3042\u3063\u3066\u3082\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\uff08=>\u85ac\u3001\u653f\u6cbb\uff09\u304b\u3089\u5c0e\u304d\u51fa\u3055\u308c\u308b\u63aa\u7f6e\u3092\u7406\u89e3\u3057\u3001\u4e00\u65b9\u3067\u30eb\u30fc\u30c8\u3067\u5b9f\u88c5\u3055\u308c\u308b\u5bfe\u7b56\uff08=>\u793e\u4f1a\uff09\u3092\u7406\u89e3\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002 \u30ef\u30af\u30c1\u30f3\u63a5\u7a2e\u306e\u305f\u3081\u306e\u611f\u67d3\u30b3\u30fc\u30b9I\uff08T\u3001R\uff09 \u30ef\u30af\u30c1\u30f3\u63a5\u7a2e\u306e\u305f\u3081\u306e\u611f\u67d3\u30b3\u30fc\u30b9I\uff08T\u3001M\uff09 \u611f\u67d3\u9396\u304c\u30ad\u30e3\u30f3\u30bb\u30eb\u3055\u308c\u305f\u5834\u5408\u3001\u611f\u67d3\u3057\u305f\u96c6\u56e3\u306e\u307f\u304c\u8003\u616e\u3055\u308c\u307e\u3059\u3002\u30ef\u30af\u30c1\u30f3\u63a5\u7a2e\u3059\u308b\u3068\u3001\u5065\u5eb7\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30ef\u30af\u30c1\u30f3\u63a5\u7a2e\u3055\u308c\u305f\u5065\u5eb7\u7684\u306am\uff08t\uff09\u306f\u4eba\u53e3\u304b\u3089\u63a1\u53d6\u3055\u308c\u307e\u3059\u3002 H. n \u2192 n – m \uff08 t \uff09\uff09 {displaystyle nrightarrow n-m\uff08t\uff09} \u3002 \u6700\u3082\u7c21\u5358\u306a\u5834\u5408\u3001\u3053\u308c\u306b\u5bfe\u3057\u3066\u7dda\u5f62\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u53d7\u3051\u5165\u308c\u3089\u308c\u307e\u3059\u3002 m \uff08 t \uff09\uff09 = m de t {displaystyle m\uff08t\uff09= mcdot t} \u3001 \u30ef\u30af\u30c1\u30f3\u901f\u5ea6\u3088\u308a\u3082M\u3067\u306f\u3001\u6b21\u306e\u3082\u306e\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002 n = \u79c1 \uff08 t \uff09\uff09 + s \uff08 t \uff09\uff09 + m de t {displaystyle n = i\uff08t\uff09+s\uff08t\uff09+mcdot t} \u305d\u306e\u7d50\u679c dIdt= c de \u79c1 de s = c de \u79c1 de \uff08 n – m de t – \u79c1 \uff09\uff09 = r de \u79c1 de \uff08 1\u2212I+m\u22c5tN\uff09\uff09 \u3002 {displaystyle {frac {mathrm {d} i} {mathrm {d} t}} = ccdot icdot s = ccdot icdot\uff08n-mcdot t-i\uff09= rcdot icdot left\uff081- {frac {i+mcdot t} {n} {n}}}} quad DG-4 \u5fae\u5206di\/dt\u304c\u6642\u9593\u3092\u5897\u3084\u3059\u3068\u30bc\u30ed\u306b\u306a\u3063\u305f\u5834\u5408\u3001\u30b1\u30fc\u30b9\u306f\u8208\u5473\u6df1\u3044\u3082\u306e\u3067\u3059\u3002 dIdt| t 0= 0 \u3068 \u79c1 \uff08 t 0\uff09\uff09 = \u79c1 \uff08 t = \u221e \uff09\uff09 \u3002 {displaystyle {frac {mathrm {d} i} {mathrm {d} t}} | t_ {0} = 0 {text {mit}} i\uff08t_ {0}\uff09= i\uff08t = infty\uff09}}} \u3053\u306e\u5fae\u5206\u65b9\u7a0b\u5f0fDG-4\u306f\u6570\u5024\u7684\u306b\u306e\u307f\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002\u5024t 0 und i\uff08t 0 \uff09\u3057\u305f\u304c\u3063\u3066\u3001\u6570\u5024\u7684\u306b\u306e\u307f\u6c7a\u5b9a\u3067\u304d\u307e\u3059\u3002\u53cd\u5bfe\u5074\u306e\u5199\u771f\u306f\u306e\u4f8b\u3092\u793a\u3057\u3066\u3044\u307e\u3059 \u79c1 \uff08 t \u3001 m \uff09\uff09 {displaystyle i\uff08t\u3001m\uff09} \u3068\u3057\u3066\u3082 \u79c1 \uff08 t \u3001 r \uff09\uff09 {displaystyle i\uff08t\u3001r\uff09} \u3002\u7d50\u679c\uff1a \u8907\u88fd\u901f\u5ea6\u304c\u4f4e\u3044\u307b\u3069 r {displaystyle r} \u3064\u307e\u308a\u3001\u30ef\u30af\u30c1\u30f3\u901f\u5ea6\u304c\u3088\u308a\u52b9\u679c\u7684\u306b\u306a\u308a\u307e\u3059 m {displaystyle m} \u3001\u7d50\u679c\u306e\u30ec\u30d9\u30ebI\uff08\u221e\uff09\u304c\u4f4e\u304f\u306a\u308a\u3001\u305d\u306e\u9006\u3082\u540c\u69d8\u3067\u3059\u3002 \u30ef\u30af\u30c1\u30f3\u901f\u5ea6\u304c\u5927\u304d\u3044\u307b\u3069 m {displaystyle m} \u3088\u308a\u901f\u3044\u3067\u3059\uff08t\u304c\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059 0 \uff09\u4f4e\u30ec\u30d9\u30eb\u306e\u611f\u67d3I\uff08\u221e\uff09\u306b\u5230\u9054\u3057\u307e\u3059\u3002 \u30ef\u30af\u30c1\u30f3\u63a5\u7a2e\u901f\u5ea6\u306e\u5897\u52a0\u304c\u9045\u308c\u3001\u611f\u67d3\u3057\u305f\u30b3\u30fc\u30b9\u304c\u84b8\u767a\u3059\u308b\u3068 \u79c1 \uff08 t \uff09\uff09 {displaystyle i\uff08t\uff09} \u4e88\u9632\u63a5\u7a2e\u306e\u306a\u3044\u30b3\u30fc\u30b9\u3068\u6bd4\u8f03\u3057\u3066\u3001\u3053\u308c\u306f\u30d8\u30eb\u30b9\u30b1\u30a2\u306b\u3068\u3063\u3066\u6709\u5229\u3067\u3059\u3002 \u524d\u8ff0\u306e\u7d50\u8ad6\u306f\u4e9b\u7d30\u306a\u3082\u306e\u3067\u3059\u304c\u3001\u4e0a\u8a18\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u5206\u6790\u7684\u306b\u57fa\u3065\u3044\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u3053\u308c\u306f\u4e8b\u5b9f\u3067\u3059\u3002 B. 2020\u5e74\u306e\u3059\u3079\u3066\u306e\u56fd\u306e\u30b3\u30ed\u30f3\u30a2\u30d1\u30f3\u30c7\u30df\u30fc\u306e\u305f\u3081\u306b\u3002\u3053\u308c\u306f\u3001DG-1\u304a\u3088\u3073DG-2\u306e\u7279\u6b8a\u306a\u30b1\u30fc\u30b9\u3068\u3057\u3066\u306e\u6307\u6570\u6210\u9577\u306e\u5f37\u5236\u7dda\u5f62\u5316\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u5358\u7d14\u5316\u3055\u308c\u305f\u5fae\u5206\u65b9\u7a0b\u5f0f\u306b\u5f93\u3044\u307e\u3059 dIdt= k + r \u79c1 \uff08 t \uff09\uff09 {displaystyle {frac {mathrm {d} i} {mathrm {d} t}} = k+ri\uff08t\uff09}} \uff08DG-3\uff09 \u89e3\u6c7a\u7b56\u3067 \u79c1 \uff08 t \uff09\uff09 = (k+rI0)ert\u2212kr{displaystyle i\uff08t\uff09= {frac {\uff08k+ri_ {0}\uff09e^{rt} -k} {r}}} \u305d\u3057\u3066\u91cd\u5927\u306a\u611f\u67d3\u7387 k 0= – r \u79c1 0{displaystyle k_ {0} = -ri_ {0}} \u3068 \u79c1 ges= \u79c1 0+ k t \u3002 {displaystyle i_ {text {ges}} = i_ {0}+kt\u3002} \u3053\u306e\u52d5\u4f5c\u306f\u3001k = 0\u3067\u7d14\u7c8b\u306b\u6307\u6570\u95a2\u6570\u7684\u306a\u52d5\u4f5c\u306b\u5909\u5316\u3057\u307e\u3059\u3002\u6dfb\u4ed8\u306e\u7d75\u306e\u601d\u8003\u5b9f\u9a13\u3067\u306f\u3001\u4e00\u5b9a\u306e\u8907\u88fd\u901f\u5ea6\u3092\u6301\u3064\u3059\u3079\u3066\u306e\u65b0\u3057\u3044\u611f\u67d3\u6e90\u3067\u52fe\u914dk \u4e0e\u3048\u3089\u308c\u305f – \u5bfe\u7b56\u306e\u52aa\u529b\u3001\u611f\u67d3\u9396\u306e\u89e3\u4f53 – \u3092\u5897\u3084\u3055\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002 \u3059\u3067\u306b\u8aac\u660e\u3057\u305f\u3088\u3046\u306b\u3001\u611f\u67d3\u9396\u306e\u7d42\u4e86\u306f\u3001\u611f\u67d3\u306e\u6307\u6570\u95a2\u6570\u7684\u6210\u9577\u306e\u958b\u59cb\u6642\u306b\u3001SI\u30e2\u30c7\u30eb\u306b\u5f93\u3063\u3066\u611f\u67d3\u3057\u305f\u6210\u9577\u306e\u6c7a\u5b9a\u7684\u306a\u76f8\u624b\u3067\u3059\u3002\u3053\u306e\u4fa1\u5024\u306f\u3001\u975e\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u8feb\u5bb3\u306e\u305f\u3081\u306e\u7d44\u7e54\u7684\u304a\u3088\u3073\u4eba\u4e8b\u52aa\u529b\u306e\u5074\u3067\u5236\u9650\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u6700\u5927\u5024k\u304c\u3042\u308a\u307e\u3059 Ika-Max \u3002\u611f\u67d3\u7387\u304c\u3053\u306e\u5024\u3092\u8d85\u3048\u308b\u5834\u5408\u3001\u611f\u67d3\u9396\u3092\u8ffd\u8de1\u3057\u3066\u30ad\u30e3\u30f3\u30bb\u30eb\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u52d5\u7684\u306b\u5b89\u5b9a\u3057\u305f\u72b6\u614b\u3067\u306f\u3001\u3053\u306e\u5024\u306f\u611f\u67d3\u306e\u5897\u52a0\u306b\u5bfe\u5fdc\u3057\u3001\u60a3\u8005\u306e\u5897\u52a0\u306b\u6bd4\u4f8b\u3057\u307e\u3059\u3002\u3053\u306e\u611f\u67d3\u7387\u306e\u8fd1\u4f3c\u306f\u3001\u611f\u67d3\u306e\u6bd4\u7387\u306b\u3088\u3063\u3066\u6642\u9593\u306e\u7523\u7269\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002 r inf\u2248 (aktuelle Infiziertenanzahlaktuell belegte ITS-Betten)\u00afde verf\u00fcgbare ITS-BettenBelegdauer der ITS-Betten{displayStyle r_ {text {inf}} amptox {overline {{frac {text {text {text {text {current its-betten}}} {cerunt {text}}}}}}}}}}}}}}}}}}} \u3002 \u5360\u6709\u7387\u306e\u6700\u5927\u7d50\u679c \u305d\u306e\u30d9\u30c3\u30c9\u306f\u73fe\u5728\u5360\u6709\u3055\u308c\u3066\u3044\u307e\u3059 = \u305d\u306e\u30d9\u30c3\u30c9\u3092\u5229\u7528\u3067\u304d\u307e\u3059 {displaystyle {text {current its-betten}} = {text {vayable its-betten}}}} \u6700\u5927\u6cbb\u7642\u53ef\u80fd\u306a\u611f\u67d3\u75c7\u306e\u5897\u52a0\uff1a r inf-max\u2248 aktuelle InfiziertenanzahlBelegdauer der ITS-Betten\u3002 {displaystyle r_ {text {inf-max} amptox {frac {text {current intected}} {text {document of the-betten}}\u3002}}} K\u5024\u304c\u5927\u304d\u3044\u3068\u3001RI\u304c\u5927\u304d\u304f\u306a\u308a\u307e\u3059 0 -Talwert\u306f\u3001\u3053\u306e\u5b9f\u884c\u306b\u5fdc\u3058\u3066\u5236\u9650\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30b1\u30fc\u30b9\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u5b89\u5b9a\u3057\u305f\u72b6\u614b\u3092\u518d\u3073\u9054\u6210\u3059\u308b\u305f\u3081\u306b\u3001\u8907\u88fd\u901f\u5ea6R\u306e\u307f\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 2020\u5e7412\u670812\u65e5\u3001\u7d04300,000\u4eba\u306e\u611f\u67d3\u75c7\u304c2020\u5e7412\u670812\u65e5\u306b32\u00b115\u65e5\u9593\u3067\u3042\u308a\u307e\u3057\u305f\u3002\u6700\u5927R\u306f\u3053\u308c\u306b\u7d9a\u304d\u307e\u3059 Inf-Max -talval\u7d049,400\/d\u3002\u6bce\u65e5\u306e\u611f\u67d3\u306e2020\u5e7410\u6708\u304b\u308911\u6708\u307e\u3067\u306e\u5e73\u5747 – \u3064\u307e\u308a\u3001\u73fe\u5728\u306ek\u5024 – \u306f17,000\/d\u3067\u3057\u305f\u3002\u30c7\u30fc\u30bf\u304c\u30c7\u30fc\u30bf\u306e\u5e45\u3092\u5909\u52d5\u3055\u305b\u308b\u5834\u5408\u3001\u3053\u306e\u9055\u3044\u306f\u77db\u76fe\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u707d\u5bb3\u306b\u95a2\u3059\u308b\u8b70\u8ad6\uff08\u4ee5\u4e0b\u3092\u53c2\u7167\uff09\u306b\u3088\u308b\u3068\u3001\u73fe\u5728\u306ek\u5024\u306f\u6700\u5927k\u5024\u3092\u8d85\u3048\u3066\u3044\u305f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u5c01\u9396\u3092\u542b\u3080\u4e00\u9023\u306e\u611f\u67d3\u6e90\u306e\u611f\u67d3\u306e\u7d4c\u904e \u707d\u5bb3\u3092\u542b\u3080\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u30d0\u30ea\u30a2\u30f3\u30c8 \u304a\u304a\u3088\u305d\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u9078\u629e\u5b9f\u9a13\u3067\u306f\u3001\u3053\u308c\u304c\u9054\u6210\u3055\u308c\u305f\u5834\u5408\u3001\u8907\u88fd\u901f\u5ea6\u306e\u307f\u3092r = 0\u306b\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff01\u305f\u3060\u3057\u3001\u91cd\u8981\u306a\u7d4c\u6e08\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306e\u6700\u5c0f\u9650\u306eR\u304c\u3042\u308a\u307e\u3059 \u5206 > 0.\u611f\u67d3\u7387\u304c\u305d\u308c\u306b\u5fdc\u3058\u3066\u4f4e\u4e0b\u3057\u305f\u5834\u5408\u3001\u8907\u88fd\u7387\u306f\u518d\u3073\u5897\u52a0\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001T = 0\u306b\u5fdc\u3058\u305f\u30b7\u30ca\u30ea\u30aa\u306f\u3001\u6bcd\u96c6\u56e3\u304c\u307e\u3060\u611f\u67d3\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u518d\u3073\u59cb\u307e\u308a\u307e\u3059\u3002\u9577\u3044\u9593\u3001\u9032\u884c\u4e2d\u306e\u969c\u5bb3\u306e\u7d50\u679c\u3068\u3057\u3066\u5927\u307e\u304b\u306b\u6ce2\u306e\u884c\u52d5\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u30014\u3064\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fcr\u3001i 0 \u304a\u3088\u3073K\u3068\u30a4\u30f3\u30ad\u30e5\u30d9\u30fc\u30b7\u30e7\u30f3\u3068\u3055\u3089\u306a\u308b\u9045\u5ef6\u6642\u9593\u3002\u5f8c\u8005\u306f\u5f53\u9762\u306e\u9593\u8003\u616e\u4e8b\u9805\u306b\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u6ce2\u5f62\u306e\u52d5\u4f5c\u306f\u3001\u969c\u5bb3\u304c\u306a\u3044\u5834\u5408\u306b\u306e\u307f\u4e2d\u65ad\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001R\u306f\u898f\u5f8b\u306e\u7d50\u679c\u3068\u3057\u3066\u4e00\u5b9a\u306b\u4fdd\u305f\u308c\u307e\u3059\u3002 \u7267\u592b\u3084\u30ef\u30af\u30c1\u30f3\u63a5\u7a2e\u304c\u306a\u3044\u9650\u308a\u3001\u3068\u308a\u308f\u3051\u3001\u6563\u767a\u7684\u306a\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u306e\u305f\u3081\u306b\u6ce2\u306e\u7d50\u679c\u304c\u3042\u308a\u307e\u3059\u3002 2020\u5e7412\u67083\u65e5\u306b\u30aa\u30fc\u30b9\u30c8\u30ea\u30a2\u3068\u30a4\u30bf\u30ea\u30a2\u304b\u3089\u306e3\u56de\u76ee\u306e\u5c01\u9396\u3092\u8a3c\u660e\u3057\u307e\u3057\u305f\u3002 \u601d\u8003\u5b9f\u9a13\u306f\u3001\u4e00\u6642\u7684\u306a\u5c01\u9396\u3084\u518d\u611f\u67d3\u306e\u767a\u751f\u306a\u3069\u3001\u4e00\u9023\u306e\u611f\u67d3\u6e90\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u5185\u3067\u3001\u7d42\u4e86\u30c1\u30a7\u30fc\u30f3\u306f\u3001\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u306e\u958b\u59cb\u524d\u306e\u6700\u5f8c\u306e\u30d5\u30a7\u30fc\u30ba\u3068\u540c\u3058\u5f37\u5ea6\u3067\u53d6\u308a\u58ca\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u30de\u30c3\u30af\u30b9 \u3002\u56f3\u3067\u306f\u3001\u3053\u306e\u52d5\u4f5c\u306f\u6c34\u5e73i\u306e\u53cd\u5c04\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059 \u30de\u30c3\u30af\u30b9 \u7dda\u5f62\u767b\u5c71\u304b\u3089\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u3078\u306e\u79fb\u884c\u6642\u3002 \u601d\u8003\u5b9f\u9a13\u3067\u306f\u3001\u30ed\u30c3\u30af\u30c0\u30a6\u30f3 r = 0 {displaystyle r = 0} set\uff08r = r\u306e\u4ee3\u308f\u308a\u306b \u5206 \uff09\u305d\u3057\u3066\u65e2\u5b58\u306e\u611f\u67d3\u75c7\u306f\u51e6\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff08=> -K \u30de\u30c3\u30af\u30b9 t\uff09\u5802\u3005\u3068\u3057\u305f\u611f\u67d3\u6570z\u306b\u65b0\u3057\u3044\u611f\u67d3\u75c7\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u306a\u304f\u3002 B. i 0 \u2261i \u5206 \u226ai \u30de\u30c3\u30af\u30b9 \u3002\u305d\u306e\u5f8c\u3001R\u306f\u518d\u3073\u5897\u52a0\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u7d9a\u3044\u3066\u3001\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u306e\u6642\u9593\u304c\u7d9a\u304d\u307e\u3059 t LD\u2248 Imax\u2212Iminkmax\u2248 Imaxkmax{displaystyle t_ {text {ld}} armotx {frac {i_ {max}} – i_ {min}}} {k_ {text {max}}}}}}}}}}} {frac {i_ {max}} {max}} {max}} {max}} {max}} {max}} {max}} {max}} \u30a4\u30f3\u30ad\u30e5\u30d9\u30fc\u30b7\u30e7\u30f3\u671f\u9593\u304a\u3088\u3073\u305d\u306e\u4ed6\u306e\u9045\u5ef6\u6642\u9593\u306e\u7d50\u679c\u3068\u3057\u3066t \u306e \u7d50\u679c\u306e\u7d50\u679c \u30de\u30c3\u30af\u30b9 add -on Contion k \u30de\u30c3\u30af\u30b9 t \u306e \u3002\u79c1\u3082\u5897\u52a0\u3057\u307e\u3059 \u30de\u30c3\u30af\u30b9 \u7570\u306a\u308b\u8907\u88fd\u901f\u5ea6r\u306e1\u3064\u306e\u7d50\u679c\u3068\u3057\u3066\u3001\u305d\u308c\u306f\u307b\u307c\u7d50\u679c\u306b\u306a\u308a\u307e\u3059 t LD\u2248 Imax+kmaxtV\u2212Iminkmax\u2212rImax\u2248 Imaxkmax+ t V{displaystyle t_ {text {ld}} compx {frac {i_ {max}}+k_ {max} {max}} t_ {v} -i_ {{min}}} {k_ {text {max}} – ri_ {max}}}}} {max}}}}} {max}}} {k_ {text {max}}}}+t_ {v}}} \u4e0a\u8a18\u306e\u5236\u9650\u304c\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u5185\u3067\u307e\u3060\u5230\u9054\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u306f\u5fc5\u9808\u3067\u3057\u305f\uff01 \u9006\u306b\u3001r\u3068\u306e\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u304c\u7d9a\u304f\u3053\u3068\u306b\u306a\u308a\u307e\u3059 \u5206 \u5883\u754c\u304c\u6700\u521d\u306b\u65e2\u306b\u5230\u9054\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u8ab2\u3059\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u306f\u5148\u898b\u6027\u304c\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\uff01 \u611f\u67d3\u7387\u306e\u6319\u52d5\u306f\u3001\u4e00\u5b9a\u306eR\u3068\u4e00\u9023\u306e\u969c\u5bb3\u3067\u6cbb\u7642\u3055\u308c\u307e\u3057\u305f\u3002\u540c\u3058\u5916\u89b3\u306b\u3064\u3044\u3066\u306f\u5225\u306e\u30b7\u30ca\u30ea\u30aa\u304c\u3042\u308a\u307e\u3059\uff1a\u4e00\u5b9a\u306e\u5bfe\u7b56\u3092\u5099\u3048\u3066\u3044\u307e\u3059 k {displaystyle k} \u53d6\u308b r {displaystyle r} \u898f\u5f8b\u304c\u4e0d\u8db3\u3057\u3066\u3044\u308b\u7d50\u679c\u3001\u3064\u307e\u308a\u306e\u59a8\u5bb3\u306e\u7d50\u679c\u3068\u3057\u3066 r {displaystyle r} \u3002 \u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u306e\u7aef\u306f\u901a\u5e38\u3001\u611f\u67d3\u3057\u305f\u53ef\u80fd\u6027\u304ci\u307e\u3067\u306b\u9054\u6210\u3055\u308c\u307e\u3059 \u5206 \u51e6\u7406\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u300c\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u300d\u3067\u306f\u3001\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u30a8\u30f3\u30c9\u306fi\u3092\u4f7f\u7528\u3057\u3066\u7dda\u5f62\u304a\u3088\u3073\u6307\u6570\u9818\u57df\u306e\u9650\u754c\u306b\u9054\u3057\u307e\u3059 \u5206 \u3002 \u300c\u30e9\u30a4\u30c8\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u300d\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u306e\u7d42\u308f\u308a\u304c\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3059\u3002\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u4e2d\u306b\u56fd\u5883\u306b\u5230\u9054\u3057\u305f\u5834\u5408\u3001\u707d\u5bb3\u30b1\u30fc\u30b9\u306f\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002\u3053\u308c\u306f\u300c\u30cf\u30fc\u30c9\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u300d\u3067\u306e\u307f\u6e80\u305f\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5f8c\u8005\u306f2020\u5e7412\u6708\u306e\u6700\u521d\u306e12\u6708\u306b\u30c9\u30a4\u30c4\u306b\u9069\u7528\u3055\u308c\u307e\u3059\u3002 \u6307\u5b9a\u3055\u308c\u305f\u8907\u88fd\u901f\u5ea6r\u3092\u4f7f\u7528\u3057\u305f\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u306e\u671f\u9593r ldkrit \u8a72\u5f53\u3059\u308b\uff1a t LDkrit= Imax\u2212I4rLDkrit\u22c5I4= I4\u2212Iminr\u22c5I3\u3002 {displaystyle t_ {text {ldkrit}} = {frac {i_ {text {max}} – i_ {4}} {r_ {ldkrit}} cdot i_ {4}}}} = {frac {{4} -i_ {{4} -i_ {{dim {{dim} {{4} -i_} {{4} -i_ {{{4} -i_} }}}\u3002} \u3053\u308c\u306f\u3001\u5fc5\u8981\u306a\u8907\u88fd\u901f\u5ea6\u3068\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u306e\u6642\u9593\u306b\u7d9a\u304d\u307e\u3059\u3002 r LDkrit= I3I4de Imax\u2212I4I4\u2212IIminde r {displaystyle r_ {text {ldkrit}} = {frac {i_ {3}} {i_ {4}}} cdot {frac {i_ {max}} -i_ {4}} {text {i_ {4} -i_ {imin}}}}}} \u3068 t LDkrit= I4r\u22c5I3de \uff08 \u79c1 4 – \u79c1 min\uff09\uff09 \u3002 {displaystyle t_ {text {ldkrit}} = {frac {i_ {4}} {rcdot i_ {3}}}} cdot\uff08i_ {4} -i_ {text {min}}\uff09\u3002}} \u4f55\u304c\u7406\u306b\u304b\u306a\u3063\u3066\u3044\u307e\u3059 r LDkrit\uff08 \u79c1 4= \u79c1 max\uff09\uff09 = 0\u3002 {displaystyle r_ {text {ldkrit}}\uff08i_ {4} = i_ {text {max}}\uff09= 0\u3002} \u3053\u308c\u306f\u307e\u305f\u3001\u73fe\u5728\u306e\u611f\u67d3\u6570\uff08= I4\uff09\u304c\u6700\u5927\u8a31\u5bb9\u6570\u306e\u611f\u67d3\u6570\u306b\u8fd1\u3065\u304f\u3068\u3001\u8907\u88fd\u901f\u5ea6r\uff08\u30bc\u30ed\u3092\u9664\u304f\uff09\u3068\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u306e\u6642\u9593\u304c\u5897\u52a0\u3059\u308b\u3068\u3044\u3046\u4e8b\u5b9f\u306b\u3082\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u7d76\u5bfe\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\uff08r = 0\uff09\u3067\u306f\u30012020\u5e7412\u670819\u65e5\uff08+10\uff09\u65e5\uff08330,000\/9,400;\u4e0a\u8a18\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u5024\u306f\u307e\u3060\u7dda\u5f62\u7bc4\u56f2\u306b\u3042\u308a\u3001\u7d0415,000\/d\u306f\u3059\u3067\u306b\u6307\u6570\u95a2\u6570\u7684\u306a\u9818\u57df\u306b\u3042\u308a\u307e\u3059\uff09\u306b\u52a0\u3048\u3066\u30012\u301c6\u301c14\u65e5\u9593\u306e\u30a4\u30f3\u30ad\u30e5\u30d9\u30fc\u30b7\u30e7\u30f3\u671f\u9593\u3068\u3055\u3089\u306a\u308b\u9045\u5ef6\u6642\u9593\uff08\u7de9\u548c\u306f\u304a\u795d\u3044\u65e5\u306b\u6392\u4ed6\u7684\u3067\u3059\uff01\uff09\u3002\u7d4c\u6e08\u7684\u5fc5\u9700\u54c1\u3068\u5fc5\u8981\u306a\u5236\u9650\u3068\u306e\u975e\u7d71\u5408\u306e\u7d50\u679c\u3068\u3057\u3066\u3001r> 0\u3001\u3057\u305f\u304c\u3063\u3066\u30ed\u30c3\u30af\u30c9\u30fc\u3068\u6301\u7d9a\u6642\u9593\u306f\u306f\u308b\u304b\u306b\u9577\u304f\u306a\u308a\u307e\u3059\u3002 \u6700\u5f8c\u306b\u3001\u4e0a\u8a18\u306e\u72b6\u614b\uff1a k = – r de \u79c1 {displaystyle k = -rcdot i} \u3044\u3064 \u30aa\u30fc\u30e0\u30b7\u30a7\u306e\u30d1\u30f3\u30c7\u30df\u30c3\u30af\u306e\u6cd5\u5247 \u6b21\u306e\u3088\u3046\u306b\u5f62\u6210\u3055\u308c\u308b\u3068\u89e3\u91c8\u3055\u308c\u307e\u3059\u3002 \u79c1 = \uff08 1r\uff09\uff09 de | k | \u559c\u3093\u3067 \u306e e= r ede \u79c1 e{displaystyle i = left\uff08{frac {1} {r}}\u53f3\uff09cdot | k | equiv u_ {e} = r_ {e} cdot i_ {e}} \u3068 \u79c1 \u559c\u3093\u3067 \u306e e\u3001 \uff08 1r\uff09\uff09 \u559c\u3093\u3067 r e\u3068 | k | \u559c\u3093\u3067 \u79c1 e\u3002 {displaystyle iequiv u_ {e}\u3001left\uff08{frac {1} {r}}\u53f3\uff09equiv r_ {e} {text {und}} | k | equiv i_ {e}\u3002} \u611f\u67d3\u3057\u305fI\u306e\u6570I\u306f\u96fb\u5727u\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059 \u305d\u3046\u3067\u3059 \u3001\u76f8\u4e92\u8907\u88fd\u901f\u5ea6r\u306f\u96fb\u6c17\u62b5\u6297r\u306b\u5bfe\u5fdc\u3057\u307e\u3059 \u305d\u3046\u3067\u3059 \u305d\u3057\u3066\u6642\u9593\u6a19\u6e96\u30c1\u30a7\u30fc\u30f3\u7d42\u4e86k\u96fb\u6d41i \u305d\u3046\u3067\u3059 \u3002 \u8907\u88fd\u901f\u5ea6\u3067\u3059 r {displaystyle r} \u81ea\u7136\u306a\u8907\u88fd\u901f\u5ea6\u3088\u308a\u3082\u5c0f\u3055\u3044 r \u30ca\u30c3\u30c8 {displaystyle r_ {text {nat}}} \u611f\u67d3\u306e\u90aa\u9b54\u3055\u308c\u306a\u3044\u5e83\u304c\u308a\u306f\u3001\u5f37\u5236\u306e\u539f\u56e0\u3067\u3059\u3002\u62b5\u6297\u304c\u884c\u4f7f\u3055\u308c\u3001\u305d\u306e\u9006\u3082\u540c\u69d8\u3067\u3059\u3002\u4e00\u65b9\u3001\u8907\u88fd\u7387\u306f\u3001\u4eba\u53e3\u306e\u500b\u4eba\u306e\u79fb\u52d5\u6027\u306b\u6bd4\u4f8b\u3057\u307e\u3059\u3002\u30e2\u30d3\u30ea\u30c6\u30a3\u306f\u3001\u9806\u756a\u306b\u3001\u9006\u306f\u62b5\u6297\u306b\u6bd4\u4f8b\u3057\u307e\u3059\u3002\u62b5\u6297\u304c\u5927\u304d\u3044\u307b\u3069\u3001\u53ef\u52d5\u6027\u304c\u4f4e\u304f\u306a\u308b\u307b\u3069\u3001\u8907\u88fd\u901f\u5ea6\u304c\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u3002\u30e2\u30d3\u30ea\u30c6\u30a3\u306e\u5897\u52a0\u3068\u3068\u3082\u306b\u5bfe\u7b56\u3092\u5897\u3084\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u3044\u3046\u611f\u60c5\u7684\u306a\u58f0\u660e\u306f\u3001\u306e\u6bd4\u4f8b\u6027\u3068\u3068\u3082\u306b\u3053\u3053\u306b\u3042\u308a\u307e\u3059 | k | {displaystyle | k |} \u3068 r {displaystyle r} \u5206\u6790\u7684\u964d\u6c34\u3002 \u6700\u5927\u30c1\u30a7\u30fc\u30f3\u7d42\u4e86k \u30de\u30c3\u30af\u30b9 \u8d85\u3048\u3066\u3001\u62b5\u6297\u3092\u5897\u3084\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 H.\u8907\u88fd\u901f\u5ea6r\u3092\u6e1b\u3089\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u307b\u307c\u30b5\u30f3\u30d7\u30eb\u8a08\u7b97 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \uff08\u53cd\u5bfe\u306e\u56f3\u3092\u53c2\u7167\uff09 \u4f8b\u306e\u5b9a\u6570 \uff1ar = 0,05 \/d;\u79c1 \u5206 = 5; k 0 = -r\u30fbi \u5206 = -0,25 \/d; \u2206i = 2; k \u521d\u3081 = -r\u30fb\u2206i = -0,1 \/d; t \u521d\u3081 = 10 d; t \u306e = 0 d\u3002 \u59a8\u5bb3 \u30bf\u30a4\u30e0\u30a8\u30ea\u30a2[D] \u611f\u67d3\u6570 \u611f\u67d3\u7387[1\/d] 1.\u969c\u5bb3 0\u2264t\u2264t \u521d\u3081 0\u301c10 \u79c1 0 \uff08t\uff09= i \u5206 +k 0 \u30fbt 5.0\u301c7.5 k GES0 = k 0 0.25 2.\u969c\u5bb3 t \u521d\u3081 \u2264T\u22642\u30fbt \u521d\u3081 10\u301c20 \u79c1 \u521d\u3081 \uff08t\uff09= i 0 \uff08t\uff09+\u2206i+k \u521d\u3081 \u30fb\uff08T-T \u521d\u3081 \uff09\uff09 7.5> 9.5\u301c13.0 k Gess1 = k 0 +k \u521d\u3081 0.35 3.\u969c\u5bb3 2\u30fbt \u521d\u3081 \u2264T\u22643\u30fbt \u521d\u3081 20\u301c30 \u79c1 2 \uff08t\uff09= i \u521d\u3081 \uff08t\uff09+\u2206i+k \u521d\u3081 \u30fb\uff08t-2\u30fbt \u521d\u3081 \uff09\uff09 13.0> 15.0\u301c19.5 k GES2 = k 0 +2\u30fbk \u521d\u3081 0.45 4.\u969c\u5bb3 3\u30fbt \u521d\u3081 \u2264T\u22644\u30fbt \u521d\u3081 30\u301c40 \u79c1 3 \uff08t\uff09= i 2 \uff08t\uff09+\u2206i+k \u521d\u3081 \u30fb\uff08t-3\u30fbt \u521d\u3081 \uff09\uff09 19.5> 21.5\u301c27.0 k GES3 = k 0 +3\u30fbk \u521d\u3081 = k \u30de\u30c3\u30af\u30b9 0.55 \u5c01\u9396 4\u30fbt \u521d\u3081 \u2264T\u22648\u30fbt \u521d\u3081 40\u301c80 \u79c1 4 \uff08t\uff09= i 3 \uff084\u30fbt \u521d\u3081 \uff09; \u79c1 5 \uff08t\uff09= i 4 \uff084\u30fbt \u521d\u3081 \uff09-K \u30de\u30c3\u30af\u30b9 \u30fb\uff08T-4\u30fbt \u521d\u3081 \uff09\uff09 27.0\u5b9a\u6570 27.0\u301c5.0 5.\u6700\u521d\u306e\u59a8\u5bb3\u306e\u3088\u3046\u306b 8\u30fbt \u521d\u3081 \u2264T\u22649\u30fbt \u521d\u3081 80\u301c90 \u79c1 6 \uff08t\uff09= i 0 \uff08T-8\u30fbt \u521d\u3081 \uff09\uff09 5.0\u304b\u30897.5\u304a\u3088\u307327.0\u301c29.5 k Say4 = k 0 0.25 6. 2\u56de\u76ee\u306e\u59a8\u5bb3\u306e\u3088\u3046\u306b 9\u30fbt \u521d\u3081 \u2264T\u226410\u30fbt \u521d\u3081 90\u301c100 \u79c1 7 \uff08t\uff09= i \u521d\u3081 \uff08T-9\u30fbt \u521d\u3081 \uff09\uff09 7.5> 9.5\u304b\u308913.0\u307e\u305f\u306f29.5\u301c35.0 k \u601d\u308f\u308c\u308b = k 0 +k \u521d\u3081 0.35 \u7d99\u7d9a\u3001\u65b0\u3057\u3044\u30b9\u30bf\u30fc\u30c8 \u3055\u307e\u3056\u307e\u306a\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u30d0\u30ea\u30a2\u30f3\u30c8\u306e\u6b21\u306e\u8a08\u7b97\u306f\u3001\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u306e\u958b\u59cb\u6642\u306e\u6700\u5f8c\u306ek\u5024\uff08= 0.55\/d\uff09\u306b\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u3002 \u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3 t Ld [D] r Ld [1\/d] 1\u30cf\u30fc\u30bf\u30fc\u30ed\u30c3\u30af\u30c0\u30a6\u30f3 \uff0827-5\uff09\/0.55 = 40 0 2\u30e9\u30a4\u30c8\u30ed\u30c3\u30af\u30c0\u30a6\u30f3 \uff0830-5\uff09\/0.55 = 45.5 \uff0830-27\uff09\/\uff0845.5\u30fb27\uff09= 2.44\u30fb10-3 3\u91cd\u8981\u306a\u30ed\u30c3\u30af\u30c0\u30a6\u30f3 \uff0835-5\uff09\/0.55 = 54.5 \uff0835-27\uff09\/\uff0854.5\u30fb27\uff09= 5.43\u30fb10-3 4\u707d\u5bb3 \u30cf\u30fc\u30c9\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u304c\u5fc5\u8981\u3067\u3059 \u91cd\u8981\u306a\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u304c\u53d7\u3051\u5165\u308c\u3089\u308c\u307e\u3057\u305f\uff1a \uff0835-5\uff09\/0.55 = 54.5 5.43\u30fb10-3\/[\uff0870-40\uff09\u30fb54.5] = 9.86\u30fb10-3 \u3053\u308c\u307e\u3067\u306e\u3068\u3053\u308d\u3001DG-3\u306e\u5de8\u8996\u7684\u3067\u6b63\u5f0f\u306a\u898b\u89e3\u304c\u3042\u308a\u307e\u3057\u305f\u304c\u3001\u3053\u306e\u884c\u52d5\u306f\u3001\u4eba\u53e3\u306e\u500b\u4eba\u306b\u95a2\u3057\u3066\u8a73\u7d30\u306b\u8a73\u7d30\u306b\u691c\u8a0e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4eba\u53e3\u306b\u306a\u308a\u307e\u3059 n = 100\u304c\u53d7\u3051\u5165\u308c\u3089\u308c\u3001\u305d\u306e\u3046\u3061 \u79c1 0 = 10\u304c\u611f\u67d3\u3057\u3066\u3044\u307e\u3059\u3002\u5f8c\u8005\u306f0.3\u4ed6\u306e\u500b\u4eba\u306b\u611f\u67d3\u3057\u307e\u3059\uff08 r = 0.3\/ d \uff09\u3001\u8a8d\u8b58\u3055\u308c\u3001\u767b\u9332\u3055\u308c\u3001\u611f\u67d3\u3057\u307e\u305b\u3093\uff08\u691c\u75ab\u3001\u75c5\u9662\u3001\u6b7b\u4ea1\uff09\u3002 SO -Called\u306e\u305f\u3081\u306b \u4e00\u5b9a\u306e\u52d5\u7684\u72b6\u614b \u65b0\u3057\u3044\u611f\u67d3\u8005\u304c\u8ffd\u52a0\u3059\u308b\u3088\u3046\u306b\u3001\u591a\u304f\u306e\u611f\u67d3\u3068\u5bfe\u5fdc\u3059\u308b\u30c1\u30a7\u30fc\u30f3\u304c\u30ad\u30e3\u30f3\u30bb\u30eb\u3055\u308c\u308b\u3088\u3046\u306b\u8a8d\u8b58\u3055\u308c\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1a10 + 0.3\u30fb10-3 = 10\uff01\u3057\u305f\u304c\u3063\u3066\u3001\u305d\u308c\u306f\u9069\u7528\u3055\u308c\u307e\u3059\uff1a \u0394I\u0394t= 0 = k 0+ r de \u79c1 0; k 0= – r de \u79c1 0= – 3 \/ d ; r = 0 \u3001 3 \/ d ; \u79c1 0= \u5341 {displaystyle {frac {delta i} {delta t}} = 0 = k_ {0}+rcdot i_ {0}; k_ {0} = – rcdot i_ {0} = -3\/d; r = 0,3\/d; i_ {0} = 10} = 10} = 10} \u3002 \u4e00\u65b9\u3001\u611f\u67d3\u3057\u305f10\u4eba\u306b\u3088\u3063\u3066\u306e\u307f k = -2\/ d \uff08 k > k _0\uff09\u611f\u67d3\u306b\u611f\u67d3\u3057\u305f\uff08\u305f\u3068\u3048\u3070\u3001\u30c1\u30a7\u30fc\u30f3\u7d42\u4e86\u306e\u4e0d\u8db3\u306e\u7d50\u679c\uff09\u3001\u96c6\u56e3\u306b\u611f\u67d3\u3057\u305f10 + 0.3\u30fb10-2 = 11\u306e\u307e\u307e\u3067\u3059\u3002\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u306f\u300111 + 0.3\u30fb11-2 = 12.3\u611f\u67d3\u3002\u611f\u67d3\u306e\u4e0a\u6607\u30a8\u30d4\u30bd\u30fc\u30c9\u304c\u3042\u308a\u307e\u3059 \u79c1 \uff08 t \uff09\uff1a10; 11; 12.3; 13.99; 16.187; 19.0431; 22,75603\u306a\u3069\u3002\u30a8\u30d4\u30bd\u30fc\u30c9\u2206 \u79c1 \uff08 t \uff09\/\u2206 t \u305d\u308c\u3089\u306e1\u306f1 [=\uff081+0.3\uff09\u3067\u3059 0 ]\u30011.3 [=\uff081+0.3\uff09 \u521d\u3081 ]\u30011.69 [=\uff081+0.3\uff09 2 ]\u30012,197 [=\uff081+0.3\uff09 3 ]\u306a\u3069\u304b\u3089\u3001\u4e00\u822c\u7684\u306a\u5f0f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 \u79c1 i+1= k + \uff08 \u521d\u3081 + r \uff09\uff09 de \u79c1 i{displaystyle i_ {text {i+1}} = k+\uff081+r\uff09cdot i_ {i}} \u3068 \u0394I\u0394t\u559c\u3093\u3067 Ii+1\u2212Ii\u0394t= k + r de \u79c1 i{displaystyle {frac {delta i} {delta t}} equiv {frac {i_ {i+1} -i_ {i}} {delta t}} = k+rcdot i_ {i}}} \u3002 DG-3\u3068\u6b63\u5f0f\u306a\u4e00\u81f4\u3057\u3066\u3044\u307e\u3059\u3002\u306a\u308b k = -4\/ d \uff08 k < k _0\uff09\u611f\u67d3\u3057\u305f\uff08\u4f8b\u3048\u3070\u3001\u4e2d\u6b62\u3059\u308b\u52aa\u529b\u306e\u5897\u52a0\u306e\u7d50\u679c\u3068\u3057\u3066\uff09\u3001\u96c6\u56e3\u306b\u611f\u67d3\u3057\u305f10 + 0.3\u30fb10-4 = 9\u306e\u307e\u307e\u3067\u3059\u3002\u611f\u67d3\u306e\u843d\u4e0b\u30a8\u30d4\u30bd\u30fc\u30c9\u304c\u3042\u308a\u307e\u3059 \u79c1 \uff08 t \uff09\uff1a10; 9; 7.7; 6.01; 3.813\u304a\u3088\u30730.9569\u3002\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u306f\u3001\u4eba\u53e3\u306f\u611f\u67d3\u3057\u306a\u304f\u306a\u308a\u307e\u3057\u305f\u3002\u30a8\u30d4\u30bd\u30fc\u30c9\u2206 \u79c1 \uff08 t \uff09\/\u2206 t \u305d\u306e\u3046\u3061\u306f-1 [= – \uff081+0.3\uff09\u3067\u3059 0 ]\u3001-1.3 [= – \uff081+0.3\uff09 \u521d\u3081 ]\u3001-1.69 [= – \uff081+0.3\uff09 2 ]\u3001-2,197 [= – \uff081+0.3\uff09 3 ]\u306a\u3069\u3002\u3053\u308c\u306f\u3001\u80af\u5b9a\u7684\u304a\u3088\u3073\u5426\u5b9a\u7684\u306a\u610f\u5473\u3067\u308f\u305a\u304b\u306a\u5909\u5316\u304c\u3042\u308b\u305f\u3081\u3001\u611f\u67d3\u3057\u305f\u6570\u304c\u308f\u305a\u304b\u306b\u5909\u5316\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u3053\u306eSO -CALLED CONTANCE DYNOMIC IT\u306f\u4e0d\u5b89\u5b9a\u3067\u3059 \u79c1 \uff08 t \uff09\uff09 \u3088\u308a\u3082\u826f\u3044 \u4e0d\u5b89\u5b9a \u96fb\u8a71\u3059\u308b\u3002\u898f\u5f8b\u306e\u306a\u3044\u500b\u4eba\u306e\u4e88\u671f\u3057\u306a\u3044\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u306b\u3088\u308b\u611f\u67d3\u75c7\u306e\u6570\u306e\u5897\u52a0\u306f\u3001\u9023\u9396\u306e\u904e\u5ea6\u306e\u30ad\u30e3\u30f3\u30bb\u30eb\u306b\u3088\u308a\u6e1b\u5c11\u3059\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3002\u4e00\u5b9a\u3067 k \uff08\u518d\u3073\u7d99\u627f r = -3\/ d \uff09\u8907\u88fd\u901f\u5ea6R\u306e\u5909\u5316\u306b\u9069\u7528\u3055\u308c\u307e\u3059\u3002\u3088\u308a\u5927\u304d\u306a\u8907\u88fd\u901f\u5ea6\u306e\u5834\u5408\uff08\u4f8b\u3048\u3070\u3001\u885b\u751f\u4e0d\u8db3\u306e\u7d50\u679c\u3068\u3057\u3066\uff09 r = 0.35\/ d \u5897\u52a0\u3059\u308b\u30a8\u30d4\u30bd\u30fc\u30c9\u306e\u7d50\u679c \u79c1 \uff08 t \uff0910; 10.5; 11,175; 12,08625\u306a\u3069\u3001\u8907\u88fd\u901f\u5ea6\u304c\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\uff08\u4f8b\uff1a\u885b\u751f\u306e\u6539\u5584\u306e\u7d50\u679c\uff09 r = 0.25\/ d \u843d\u4e0b\u30a8\u30d4\u30bd\u30fc\u30c9 \u79c1 \uff08 t \uff09\uff1a10; 9.5; 8.875; 8,09375\u306a\u3069 \u6b63\u5f0f\u306b\u306f\u3001\u3053\u308c\u3089\u306e\u7d50\u679c\u306f\u4e00\u822c\u7684\u306a\u8868\u73fe\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002 m = \u521d\u3081 + r \u3001 d t = \u521d\u3081 d \u3001 {displaystyle m = 1+r\u3001delta t = 1d\u3001} \u79c1 1= \u79c1 0+ r \u79c1 0+ k = \uff08 kr+I0\uff09\uff09 \uff08 \u521d\u3081 + r \uff09\uff09 1 – kr\u3001 {displaystyle i_ {1} = i_ {0}+ri_ {0}+k = lef\uff08{frac {k} {r} {r}}+i_ {0} right\uff09\uff081+r\uff09^{1} – {frac {k} {r}}\u3001}} \u79c1 2= \u79c1 1+ r \u79c1 1+ k = m \u79c1 1+ k = m 2\u79c1 0+ \uff08 m + \u521d\u3081 \uff09\uff09 k = \uff08 kr+I0\uff09\uff09 \uff08 \u521d\u3081 + r \uff09\uff09 2 – kr\u3001 {displaystyle i_ {2} = i_ {1}+ri_ {1}+k = mi_ {1}+k = m^{2} i_ {0}+\uff08m+1\uff09k = lef\uff08{frac {k} {r}}+i_ {0} {{{} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {}\uff09 } \u79c1 3= \u79c1 2+ r \u79c1 2+ k = m \u79c1 2+ k = m 3\u79c1 0+ \uff08 m 2+ m + \u521d\u3081 \uff09\uff09 k = \uff08 kr+I0\uff09\uff09 \uff08 \u521d\u3081 + r \uff09\uff09 3 – kr\u3001 \u7b49 {displaystyle i_ {3} = i_ {2}+ri_ {2}+k = mi_ {2}+k = m^{3} i_ {0}+\uff08m^{2}+M+1\uff09k =\u5de6\uff08{frac {k}} {r {r}}\u3001{text {usw.}}} \u3053\u308c\u306f\u3001\u5bfe\u5fdc\u3059\u308b\u5fae\u5206\u65b9\u7a0b\u5f0fDG-3\u306b\u5f93\u3063\u3066\u3001\u5dee\u5f0f\u306e\u4e00\u822c\u7684\u306a\u5f0f\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002 \u79c1 t= \uff08 kr+I0\uff09\uff09 \uff08 \u521d\u3081 + r \uff09\uff09 t – kr\u305f\u3081\u306b t = 0 \u3001 \u521d\u3081 \u3001 2 \u3001 … {displaystyle i_ {t} = left\uff08{frac {k} {r} {r}}+i_ {0} right\uff09\uff081+r\uff09^{t} – {frac {k} {r}} {text {f\u00fcr}}}} t = 0,1,2\u3001\u30c9\u30c3\u30c8} \u5fae\u5206\u65b9\u7a0b\u5f0f\u306e\u8907\u88fd\u901f\u5ea6 r \u521d\u3081 \u5dee\u5206\u65b9\u7a0b\u5f0f\u306e\u305d\u308c\u3068\u306f\u7570\u306a\u308a\u307e\u3059 r 2 \u6b21\u306e\u3088\u3046\u306b\uff1a r 1= ln \u2061 \uff08 \u521d\u3081 + r 2\uff09\uff09 \u3002 {displaystyle r_ {1} = ln\uff081+r_ {2}\uff09\u3002} \u5c0f\u3055\u306a\u8907\u88fd\u901f\u5ea6\u306f\u307b\u307c\u540c\u3058\u3067\u3059\u3002 \u30cf\u30fc\u30c9\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u306e\u305f\u3081 r = 0\u306f\u500b\u3005\u306e\u30d3\u30e5\u30fc\u306b\u9069\u7528\u3055\u308c\u307e\u305910 + 0\u30fb10-3 = 7\u304a\u3088\u3073\u3055\u3089\u306b7 + 0\u30fb10-3 = 4\u306a\u3069\u3002\u3053\u308c\u306b\u95a2\u3059\u308b\u4e00\u822c\u7684\u306a\u5f0f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 \u79c1 \uff08 t \uff09\uff09 = \u79c1 0+ k de t \u3068 \u0394I\u0394t= k {displaystyle i\uff08t\uff09= i_ {0}+kcdot t {text {und}} {frac {delta i} {delta t}} = k} \u3001 \u305d\u306e\u7d50\u679c k t= – 361 \/ d 2\u3001 \u0394I\u0394t| t max= 0 \u3068 t max= 2021\u5e743\u67086\u65e5 {displaystyle {frac {delta i} {delta t}} = -361\/d^{2} {text {\u3001}} {frac {delta i} {delta t}} | t_ {text {max}} = 0 {{max} {max} {max} {max} {max} {max} 21}}} \u306e\u56de\u5e30\u4fc2\u6570\u3092\u4f7f\u7528 r 2 = 0.9893\u3002\u3053\u306e\u72b6\u6cc1\u306f\u3001\u53e4\u5178\u7684\u306a\u30d6\u30ec\u30fc\u30ad\u30d7\u30ed\u30bb\u30b9\uff08\u8ca0\u306e\u52a0\u901f\uff09\u306b\u5339\u6575\u3057\u307e\u3059\u3002\u611f\u67d3\u306e\u904e\u7a0b\u306f\u3053\u3053\u306b\u3042\u308a\u307e\u3059 \u79c1 \uff08 t \uff09\u7740\u5b9f\u306b \u79c1 \u4e0e\u3048\u3089\u308c\u305f = \u79c1 0 \u7d04\uff08\u653e\u7269\u7dda\u304c\u958b\u304d\u307e\u3059\uff09\u3002\u3053\u306e\u5024\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059 t \u30de\u30c3\u30af\u30b9 \u9054\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u5909\u7570\u4f53\u306e\u5897\u52a0\u306e\u7d50\u679c\u3068\u3057\u3066\u963b\u6b62\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u306e\u52d5\u4f5c\u306f\u4e00\u822c\u306b\u7406\u89e3\u3067\u304d\u307e\u3059\u304c\u3001\u5177\u4f53\u7684\u306a\u6b63\u5f53\u5316\u306f\u3042\u308a\u307e\u305b\u3093\u3002 \u3055\u307e\u3056\u307e\u306a\u30b1\u30fc\u30b9\u3092\u6b21\u306e\u3088\u3046\u306b\u8981\u7d04\u3067\u304d\u307e\u3059\u3002 r {>0k{>0,Fall 1: Zuf\u00fchrung Infizierter, Zunahme=0,Fall 2: exakte exponentielle Zunahme,k0,Fall 3: (exponentielle) Zunahme,=k0,Fall 4: labile Konstanz, Lockdown-light, 0\u3001\uff06{\u30c6\u30ad\u30b9\u30c8{\u30b1\u30fc\u30b91\uff1a\u611f\u67d3\u3001\u5897\u52a0} \\ = 0\u3001\uff06{\u30c6\u30ad\u30b9\u30c8{\u30b1\u30fc\u30b92\uff1a\u6b63\u78ba\u306a\u6307\u6570\u95a2\u6570\u306e\u5897\u52a0\u3001} \\ k_ {0}\u3001\uff06{text 3\uff1a\uff08exponeratial\uff09{exponertical\uff09{exponerational\uff09 {\u30b1\u30fc\u30b94\uff1akonstanz\u3092\u6b20\u3044\u3066\u3001lockdown-light\u3001}}} 2020\u5e7410\u6708\u304b\u30892021\u5e742\u6708\u307e\u3067\u306e\u30c9\u30a4\u30c4\u306e\u611f\u67d3\u306e\u884c\u52d5\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059 \u30b1\u30fc\u30b92\uff083.10.-2.11.2020\uff09\u306b\u3088\u308b\u6307\u6570\u5897\u52a0\u3001 \u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u30e9\u30a4\u30c8\u3001\u30b1\u30fc\u30b94\uff082.11.-8.12.2020\uff09\u306b\u6e96\u62e0\u3057\u305f\u4e0d\u5b89\u5b9a\u306a\u4e00\u8cab\u6027 \u30b1\u30fc\u30b96\uff0816.1\u3002-.13.2021\uff09\u306b\u3088\u308b\u3068\u3001\u30cf\u30fc\u30c9\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u306e\u53d7\u3051\u5165\u308c\u3002 DG-0\uff1a dIdt= r de \u79c1 \uff08 t \uff09\uff09 de \uff08 1\u2212I(t)N\uff09\uff09 {displaystyle {frac {mathrm {d} i} {mathrm {d} t}} = rcdot i\uff08t\uff09cdot left\uff081- {frac {i\uff08t\uff09} {n}}\u53f3\uff09} DG-1\uff1a dIdt= k + r de \u79c1 \uff08 t \uff09\uff09 de \uff08 1\u2212I(t)N\uff09\uff09 {displaystyle {frac {mathrm {d} i} {mathrm {d} t}} = k+rcdot i\uff08t\uff09cdot left\uff08{frac {i\uff08t\uff09} {n}}}}} \u79c1 gesamt\uff08 t \uff09\uff09 = \u79c1 \uff08 t \uff09\uff09 – k t \u2265 0 {displaystyle i_ {text {total}}\uff08t\uff09= i\uff08t\uff09-ktgeq 0} 0} \u305f\u3081\u306b k 0\u2264 k < 0 \u3001 t < Nk{displaystyle k_ {0} leq k \uff08 1\u2212I(t)N+kt\uff09\uff09 {displaystyle {frac {mathrm {d} i} {mathrm {d} t}} = k+rcdot i\uff08t\uff09cdot left\uff081- {frac {i\uff08t\uff09} {n+kt}}\u53f3\uff09}} \u79c1 gesamt\uff08 t \uff09\uff09 = \u79c1 \uff08 t \uff09\uff09 – k t \u2265 0 {displaystyle i_ {text {total}}\uff08t\uff09= i\uff08t\uff09-ktgeq 0} 0} \u305f\u3081\u306b k 0\u2264 k < 0 \u3001 t < Nk{displaystyle k_ {0} leq k \u79c1 \uff08 t \uff09\uff09 de \uff08 1\u2212I(t)+m\u22c5tN\uff09\uff09 {displaystyle {frac {mathrm {d} i} {mathrm {d} t}} = rcdot i\uff08t\uff09cdot\u5de6\uff081- {frac {i\uff08t\uff09+mcdot t} {n}}\u53f3\uff09}} \u975e\u5e38\u306b\u5358\u7d14\u306aSI\u30e2\u30c7\u30eb\u306b\u5f93\u3063\u3066\u3001\u4e00\u822c\u7684\u306b\u793e\u4f1a\u3078\u306e\u4e00\u6642\u7684\u306a\u66dd\u9732\u3068\u3057\u3066\u7dda\u5f62\u30b3\u30fc\u30b9\u306e\u611f\u67d3\u3068\u6226\u3046\u305f\u3081\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u56de\u8def\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb\u3068\u3057\u3066\u306e\u975e\u5e38\u306b\u5358\u7d14\u306aSI\u30e2\u30c7\u30eb\u306b\u5f93\u3063\u3066\u3001\u611f\u67d3\u306e\u7d4c\u904e\u3092\u5f37\u5236\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002 SI\u30e2\u30c7\u30eb\u3060\u3051\u306b\u3088\u308b\u3068\u3001\u6bcd\u96c6\u56e3\u5168\u4f53\u304c\u611f\u67d3\u3059\u308b\u307e\u3067\u3001\u5358\u4e00\u306e\uff08\u5371\u967a\u306a\uff09\u6ce2\u3092\u901a\u904e\u3059\u308b\u611f\u67d3\u3002\u5f37\u5236\u611f\u67d3\u9396\u306e\u624b\u6bb5\u306f\u3001\u307b\u3068\u3093\u3069\u300c\u5b89\u5b9a\u3057\u305f\u72b6\u614b\u300d\u3092\u9577\u671f\u9593\u53d6\u308a\u58ca\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff08 d \u79c1 \/ d t \u2248 \u7d76\u3048\u9593\u306a\u3044 {displaystyle mathrm {d} i\/mathrm {d} tapprox {text {constant}}}}} \u3001d\u3002 H.\u7dda\u5f62\u5897\u52a0\uff09\u3001\u3053\u308c\u306b\u3088\u308a\u3001\u7d42\u4e86\u30c1\u30a7\u30fc\u30f3\u7d42\u4e86\u3068\u885b\u751f\u63aa\u7f6e\u304c\u901a\u5e38\u306e\u30b5\u30a4\u30ba\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u5b8c\u5168\u306a\u611f\u67d3\u3092\u59a8\u3052\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u611f\u67d3\u306e\u4ed6\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff08\u4f8b\uff1a\u30ef\u30af\u30c1\u30f3\u63a5\u7a2e\uff09\u306e\u6642\u9593\u3092\u7a3c\u3050\u305f\u3081\u306b\u5927\u5e45\u306b\u9045\u308c\u3066\u3044\u307e\u3059\u3002\u3055\u307e\u3056\u307e\u306a\u6642\u9593\u3092\u6392\u9664\u3057\u306a\u3044\u7d50\u679c\u3068\u3057\u3066\uff08\u611f\u67d3\u306e\u30a4\u30f3\u30ad\u30e5\u30d9\u30fc\u30b7\u30e7\u30f3\u671f\u9593\u3092\u542b\u3080\uff09\u3001\u611f\u67d3\u6570\u306e\uff08\u30e9\u30f3\u30c0\u30e0\u306a\uff09\u5897\u52a0\u306e\u5f8c\u3001\u5b89\u5b9a\u3057\u305f\u5024\u306b\u5bfe\u5fdc\u3059\u308b\u3088\u308a\u3082\u5bfe\u5fdc\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3057\u3066\u3001\u5236\u5fa1\u5909\u6570\u306f\u3001\u5236\u5fa1\u5909\u6570\u3078\u306e\u7b54\u3048\u3068\u3057\u3066\u7740\u5b9f\u306b\u306f\u306a\u304f\u3001\u7a81\u7136\uff08\u591a\u304b\u308c\u5c11\u306a\u304b\u308c\u5f37\u5236\u7684\uff09\u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30eb\u30fc\u30c8\/\u793e\u4f1a\u306b\u4f1d\u3048\u308b\u306e\u304c\u56f0\u96e3\u3067\u3059\u3002\u5b89\u5b9a\u3057\u305f\u72b6\u614b\u306e\u77ed\u671f\u969c\u5bb3\u306f\u3001\u65b0\u3057\u3044\u5b89\u5b9a\u3057\u305f\u72b6\u614b\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306e\u6c38\u7d9a\u7684\u306a\u8377\u91cd\u306b\u3064\u306a\u304c\u308a\u3001\u305d\u306e\u5f8c\u611f\u67d3\u75c7\u306e\u6570\u304c\u5f90\u3005\u306b\u5897\u52a0\u3057\u307e\u3059\uff08\u767b\u5c71\u306e\u5897\u52a0\u306b\u304a\u3044\u3066\u7dda\u5f62\u4e0a\u6607\u3092\u3082\u305f\u3089\u3057\u307e\u3059\uff09\u3002\u4f4e\u30ec\u30d9\u30eb\u306e\u4f4e\u4e0b\u306f\u4e0d\u53ef\u80fd\u3067\u3059\uff01\u8ffd\u52a0\u306e\u52aa\u529b\u304c\u5236\u9650\u3055\u308c\u3066\u3044\u308b\u305f\u3081\uff08\u305f\u3068\u3048\u3070\u3001\u8a3a\u7642\u6240\u306e\u30d9\u30c3\u30c9\u306e\u6570\u3001\u611f\u67d3\u9396\u306e\u8ffd\u8de1\uff09\u3001\u3055\u3089\u306a\u308b\u6210\u9577\u306f\u8907\u88fd\u901f\u5ea6R\u3092\u6e1b\u3089\u3059\u3053\u3068\u306b\u3088\u3063\u3066\u306e\u307f\u5f37\u5236\u3055\u308c\u307e\u3059\uff08\u3064\u307e\u308a\u3001\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\uff01\uff09\u3002\u4f4e\u30ec\u30d9\u30eb\u3078\u306e\u6e1b\u5c11\u306f\u3001\u4e88\u9632\u63a5\u7a2e\u306b\u3088\u308b\u3082\u306e\u3067\u3059\u3002 B.\u30ef\u30af\u30c1\u30f3\u63a5\u7a2e\u3001\u53ef\u80fd\u3002\u6bb5\u968e\u7684\u306a\u6d41\u884c\u306e\u884c\u52d5\u3001\u304a\u3088\u3073\u6ce2\u3068\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u306e\u8907\u6570\u306e\u76f8\u4e92\u4f5c\u7528\u3001\u304a\u3088\u3073\u30ed\u30c3\u30af\u30c0\u30a6\u30f3\u306e\u3055\u307e\u3056\u307e\u306a\u30d0\u30ea\u30a2\u30f3\u30c8\u306f\u3001\u3053\u306e\u5358\u7d14\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u5b9a\u91cf\u7684\u306b\u5b9a\u91cf\u7684\u306b\u3042\u307e\u308a\u8aac\u660e\u3057\u306a\u3044\u3088\u3046\u306b\u8aac\u660e\u3067\u304d\u307e\u3059\u3002 SI\u30e2\u30c7\u30eb\u306e\u62e1\u5f35\u6a5f\u80fd\u3092\u4f7f\u7528\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u30e2\u30c7\u30eb\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u305f\u308a\u3001\u91cd\u8907\u3057\u305f\u308a\u3057\u307e\u3059\u3002\u7d50\u8ad6\u3068\u58f0\u660e\u3092\u660e\u78ba\u306b\u3059\u308b\u306b\u306f\u3001\u524d\u8ff0\u306e\u30b7\u30ca\u30ea\u30aa\u3092\u3053\u308c\u3089\u306e\u3088\u308a\u9ad8\u3044\u54c1\u8cea\u30e2\u30c7\u30eb\u306b\u8ee2\u9001\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u2191 \u81ea\u7531\u30d1\u30b9\u306e\u9577\u3055\u3082\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044 \u2191 a b Integralt\u30c6\u30fc\u30d6\u30eb\u3002 2020\u5e747\u670812\u65e5\u306b\u53d6\u5f97 \uff081\u30da\u30fc\u30b8\u306e\u30d5\u30a9\u30fc\u30df\u30e5\u30e917\uff09\u3002 \u2191 \u30c9\u30a4\u30c4\u306eCovid-19\u30d1\u30f3\u30c7\u30df\u30c3\u30af\uff03\u751f\u6b96\u6570 \u2191 \u57fa\u672c\u7684\u306a\u8907\u88fd\u756a\u53f7\uff03\u57fa\u672c\u7684\u306a\u8907\u88fd\u756a\u53f7\u306e\u8a08\u7b97 \u2191 \u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u3082\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044 \u2191 Maischberger-Die Week\u3002 2021\u5e742\u670817\u65e5\u3001 2021\u5e742\u670817\u65e5\u306b\u30a2\u30af\u30bb\u30b9 \uff08\u5348\u5f8c10\u664250\u5206\u300122.2.2022\u307e\u3067\u30a2\u30af\u30bb\u30b9\uff09\u3002 \u2191 \u62bd\u8c61\u7684\u306a\u4f8b\uff1a\u611f\u67d3\u3057\u305f\u4eba\u306f\u30011\u65e5\u3067\u3055\u3089\u306b2\u4eba\u306b\u611f\u67d3\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u5408\u8a083\u4eba\u3001\u65b0\u305f\u306b\u611f\u67d3\u3057\u305f2\u4eba\u306e\u4eba\u3005\u304c2\u3064\u3001\u3064\u307e\u308a4\u3064\u3001\u3064\u307e\u308a\u5408\u8a087\u306a\u3069\u306b\u611f\u67d3\u3057\u307e\u3059\u3002 t -1\u307e\u305f\u306fe Rt -1\u3067 r = ln\uff082\uff09= 0.693\u3002\u5b9f\u969b\u306e\u4f8b\uff1a\u30b3\u30ed\u30ca\u3067\u306e\u611f\u67d3\u8005\u306e\u6307\u6570\u95a2\u6570\u7684\u306a\u521d\u671f\u6210\u9577\uff1a8300\u4e07\u4eba\u306e\u4f4f\u6c11\u3092\u6301\u3064\u30c9\u30a4\u30c4\uff1ar = 0.315\/d; 420\u4e07\u4eba\u306e\u4f4f\u6c11\u3092\u6301\u3064\u30b6\u30af\u30bb\u30f3\uff1ar = 0.354\/d; 890\u4e07\u4eba\u306e\u4f4f\u6c11\u3092\u6301\u3064\u30aa\u30fc\u30b9\u30c8\u30ea\u30a2\uff1ar = 0.324\/d\u3001\u4f4f\u6c11\u306e\u6570\u306b\u95a2\u4fc2\u306a\u304f\u3002 \u2191 \u5f37\u5236\u632f\u52d5\u306e\u52d5\u304d\u306e\u65b9\u7a0b\u5f0f\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u65b9\u7a0b\u5f0f\u306e\u4e00\u65b9\u3067\u306f\u3001\u5f37\u5236\u306e\u3082\u3046\u4e00\u65b9\u306e\u5074\u3067\u306e\u81ea\u7531\u632f\u52d5\u306e\u52d5\u304d\u306e\u65b9\u7a0b\u5f0f\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002 (adsbygoogle = window.adsbygoogle || 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