{"id":35355,"date":"2019-10-31T22:03:48","date_gmt":"2019-10-31T19:03:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/element-nulevogo-razmera\/"},"modified":"2019-10-31T22:03:48","modified_gmt":"2019-10-31T19:03:48","slug":"element-nulevogo-razmera","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/element-nulevogo-razmera","title":{"rendered":"Elemento de tamanho zero","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Elemento de tamanho zero\" src=\"\/wp-content\/uploads\/2019\/06\/f5864c485d1e168253cff083a89252a8.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Grafos s\u00e3o uma representa\u00e7\u00e3o esquem\u00e1tica em v\u00e1rias \u00e1reas. <br \/>\nModelo de objetos reais.<br \/>\nC\u00edrculos s\u00e3o v\u00e9rtices, linhas s\u00e3o arcos do grafo (conex\u00f5es).<br \/>\nSe ao lado de um arco h\u00e1 um n\u00famero, \u00e9 a dist\u00e2ncia entre os pontos no mapa ou o custo em um diagrama de Gantt.<\/p>\n<p>Na el\u00e9trica e eletr\u00f4nica, os v\u00e9rtices s\u00e3o componentes e m\u00f3dulos, e as linhas s\u00e3o condutores.<br \/>\nNa hidr\u00e1ulica, caldeiras, aquecedores, v\u00e1lvulas, radiadores e tubula\u00e7\u00f5es.<br \/>\nNo mapa, s\u00e3o cidades e estradas.<\/p>\n<p>De um problema de matem\u00e1tica da escola:<\/p>\n<blockquote><p>Um \u00f4nibus partiu do ponto A para o ponto B. A dist\u00e2ncia entre os pontos \u00e9 de 30 km.<\/p><\/blockquote>\n<p>\nE se a dist\u00e2ncia for 0?<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\n<img decoding=\"async\" alt=\"Elemento de tamanho zero\" src=\"\/wp-content\/uploads\/2019\/06\/e7e4a022f809d65a35bfcb4271d80062.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nReduzimos a dist\u00e2ncia do beiral do telhado at\u00e9 o ch\u00e3o a zero. Uma casa de dois andares se transforma em uma cabana.<\/p>\n<p><img decoding=\"async\" alt=\"Elemento de tamanho zero\" src=\"\/wp-content\/uploads\/2019\/06\/e8df5c82189fcd704475c80b84835a0c.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nReduzimos a dist\u00e2ncia da caldeira ao radiador (encurtando o comprimento dos canos) \u2014 obtemos um fog\u00e3o russo.<br \/>\nComo voc\u00ea j\u00e1 deve ter imaginado, a tecnologia funciona em ambas as dire\u00e7\u00f5es.<\/p>\n<p>Pode-se tanto reduzir a zero, quanto aumentar at\u00e9 o infinito.<\/p>\n<p><img decoding=\"async\" alt=\"Elemento de tamanho zero\" src=\"\/wp-content\/uploads\/2019\/06\/ccc119dcbeb5de3cc787b2419bfb6e4b.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nA redu\u00e7\u00e3o do comprimento dos condutores el\u00e9tricos levou \u00e0 cria\u00e7\u00e3o de circuitos integrados.<\/p>\n<p>Comprimento, altura e largura s\u00e3o medi\u00e7\u00f5es geom\u00e9tricas. Medidas do mundo real (vis\u00edvel).<br \/>\nAs medi\u00e7\u00f5es podem ser mais abstratas:<\/p>\n<ul>\n<li>Temperatura<\/li>\n<li>Tempo<\/li>\n<li>Peso<\/li>\n<li>Densidade<\/li>\n<li>Condutividade t\u00e9rmica<\/li>\n<li>Condutividade el\u00e9trica<\/li>\n<li>Resist\u00eancia<\/li>\n<li>Fragilidade<\/li>\n<li>Velocidade<\/li>\n<li>Acelera\u00e7\u00e3o<\/li>\n<li>Energia<\/li>\n<\/ul>\n<p>\netc.<\/p>\n<blockquote><p><noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%A2%D0%B5%D0%BF%D0%BB%D0%BE%D0%BF%D1%80%D0%BE%D0%B2%D0%BE%D0%B4%D0%BD%D0%BE%D1%81%D1%82%D1%8C\">Condutividade t\u00e9rmica<\/a><\/noindex> \u2014 a capacidade de corpos materiais de conduzir energia (calor) das partes mais quentes do corpo para as menos quentes por meio do movimento ca\u00f3tico de part\u00edculas do corpo (\u00e1tomos, mol\u00e9culas, el\u00e9trons etc.).\n<\/p><\/blockquote>\n<p> Como reduzir a condutividade t\u00e9rmica a zero? <\/p>\n<p>Correto.<\/p>\n<p>Reduzir o n\u00famero de \u00e1tomos, mol\u00e9culas e el\u00e9trons. Ou seja, criar um v\u00e1cuo. <br \/>\nUma tecnologia semelhante j\u00e1 existe e est\u00e1 \u00e0 venda. Chama-se isolamento t\u00e9rmico de v\u00e1cuo. Pain\u00e9is com condutividade t\u00e9rmica igual a 0,004-0,006 W\/m*K.<br \/>\nPara compara\u00e7\u00e3o, isso \u00e9 10 vezes menor que a l\u00e3 mineral e 50 vezes menor que o tijolo.<br \/>\nComo resultado, pode-se reduzir a espessura das paredes em tantas vezes.<\/p>\n<p>E se reduzir a massa a zero\u2026<\/p>\n<p>De qualquer forma, n\u00e3o vou priv\u00e1-lo da alegria de novas descobertas.<\/p>\n<p>Bons inventos!<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/456246\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0413\u0440\u0430\u0444\u044b \u2014 \u0441\u0445\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0435 \u043e\u0431\u043e\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0432\u043e \u043c\u043d\u043e\u0433\u0438\u0445 \u0441\u0444\u0435\u0440\u0430\u0445. \u041c\u043e\u0434\u0435\u043b\u044c \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u0445 \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432. \u041a\u0440\u0443\u0433\u0438 \u2014 \u0432\u0435\u0440\u0448\u0438\u043d\u044b, \u043b\u0438\u043d\u0438\u0438 \u2014 \u0434\u0443\u0433\u0438 \u0433\u0440\u0430\u0444\u0430 (\u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f). \u0415\u0441\u043b\u0438 \u0440\u044f\u0434\u043e\u043c \u0441 \u0434\u0443\u0433\u043e\u0439 \u0446\u0438\u0444\u0440\u0430 \u2014 \u044d\u0442\u043e \u0440\u0430\u0441\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u043c\u0435\u0436\u0434\u0443 \u0442\u043e\u0447\u043a\u0430\u043c\u0438 \u043d\u0430 \u043a\u0430\u0440\u0442\u0435 \u0438\u043b\u0438 \u0441\u0442\u043e\u0438\u043c\u043e\u0441\u0442\u044c \u043d\u0430 \u0434\u0438\u0430\u0433\u0440\u0430\u043c\u043c\u0435 \u0413\u0430\u043d\u0442\u0430. \u0412 \u044d\u043b\u0435\u043a\u0442\u0440\u0438\u043a\u0435 \u0438 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u043d\u0438\u043a\u0435 \u0432\u0435\u0440\u0448\u0438\u043d\u044b \u2014 \u044d\u0442\u043e \u0434\u0435\u0442\u0430\u043b\u0438 \u0438 \u043c\u043e\u0434\u0443\u043b\u0438, \u043b\u0438\u043d\u0438\u0438 \u2014 \u043f\u0440\u043e\u0432\u043e\u0434\u043d\u0438\u043a\u0438. \u0412 \u0433\u0438\u0434\u0440\u0430\u0432\u043b\u0438\u043a\u0435 \u043a\u043e\u0442\u043b\u044b, \u0431\u043e\u0439\u043b\u0435\u0440\u044b, \u0430\u0440\u043c\u0430\u0442\u0443\u0440\u0430, \u0440\u0430\u0434\u0438\u0430\u0442\u043e\u0440\u044b \u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":26523,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-35355","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com 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