{"id":26059,"date":"2011-03-29T07:25:00","date_gmt":"2011-03-29T07:25:00","guid":{"rendered":""},"modified":"2020-09-25T09:39:57","modified_gmt":"2020-09-25T09:39:57","slug":"antoine-ferchault-de-reaumur-1683-1757-2","status":"publish","type":"post","link":"https:\/\/rubyskynews.com\/index.php\/2011\/03\/29\/antoine-ferchault-de-reaumur-1683-1757-2\/","title":{"rendered":"ANTOINE FERCHAULT DE REAUMUR (1683 – 1757)"},"content":{"rendered":"
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Rene Antoine Ferchault de Reaumur s-a nascut la 28 februarie 1683, in localitatea La Rochelle. La inceput a studiat dreptul la Bourges, apoi, in 1703 s-a mutat la Paris, unde a studiat stiintele naturii, matematica si fizica. La varsta de 25 de ani a devenit membru al Academiei de Stiinte din Paris si in cei aproape 50 de ani cat a fost membru activ al acesteia a fost de 12 ori director. La sesiunile Academiei a prezentat 75 de lucrari originale.<\/span> Dupa ce a publicat cateva lucrari de matematica, Reaumur si-a impartit aproape in mod egal interesul intre zoologie si tehnologie. In zoologie a facut multe descoperiri pe baza unor experiente ample si a observatiei personale. Din multimea sa de lucrari trebuie amintita opera “Tratat dedicat istoriei insectelor”, care a aparut la Paris intre 1732 si 1742 in sase volume ; avea 4000 de pagini si 250 anexe, cuprinzand aproximativ 5000 de planse. Prin aceasta lucrare, Reaumur a devenit intemeietorul stiintei despre insecte. Al saptelea volum a aparut abia 200 de ani dupa moartea lui si mai era material si pentru al optulea volum.<\/span><\/span><\/div>\n
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In 1711, Academia l-a numit mecanic salariat (echivalent aproximativ astazi cu postul de inginer tehnolog) si ii revenea sarcina de a publica carti in diverse domenii, pe meserii si industrii. Din aceasta perioada dateaza lucrarea sa “Descrierea artelor si a meseriilor” care a fost tiparita abia dupa moartea autorului, in 1761, in 27 de volume. Reaumur a facut multe descoperiri tehnice si stiintifice pe care le-a prezentat la Academie : despre fabricarea oglinzilor, despre prelucrarea ardeziei, despre fabricarea perlelor artificiale, despre forjarea fierului, despre proprietatile hartiei si altele. In 1722 si-a publicat una dintre cele mai importante lucrari : “Arta transformarii fierului in otel”, ce cuprinde rezultatele unor cercetari tehnologice, indreptata spre aplicarea practica ceea ce a dus la inceperea fabricarii otelului in intreaga Franta. In 1725, Reaumur s-a ocupat cu fabricarea tablei zincate care pana atunci era importata din Germania. A constatat pe cale experimentala ca o conditie importanta in fabricatie este inlaturarea stratului de fier de la suprafata si asigurarea unei suprafete perfect netede. In felul acesta a introdus aceasta noua productie in Franta.<\/span><\/span><\/div>\n
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In anii urmatori s-a ocupat de fabricarea portelanului si a descoperit portelanul care ii poarta numele, care era, de fapt, sticla asemanatoare cu portelanul. S-a ocupat si de termometre, intai cu alcool, apoi cu mercur, divizate de la punctul de inghet al apei pana la punctul de fierbere, in 80 de grade. Aceasta scala a primit numele de scala de temperatura Reaumur.<\/span><\/span><\/div>\n
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S-a ocupat de fabricarea de ancore si ace. In 1749 a publicat o lucrare in doua volume despre conservarea oualor si despre clocitul artificial.<\/span><\/span><\/div>\n
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Opera lui Reaumur este dovada unui interes profund si al unei participari active la aplicarea practica a descoperirilor si a cunostiintelor stiintifice. Inca din 1720 si-a expus parerile cu privire la necesitatea imbinarii stiintei cu practica intr-un Memoriu trimis Academiei. Aceasta opinie I-a calauzit intreaga viata.<\/span><\/span><\/div>\n
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Reaumur a murit la 18 octombrie 1757 la Bermondiere.<\/span><\/span><\/div>\n
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GRAD REAUMUR ( R )<\/span><\/u> este unitatea de masura pentru diferenta de temperatura. A fost denumita astfel in cinstea fizicianului si a naturistului francez Rene Antoine Ferchault de Reaumur.<\/span><\/span><\/div>\n
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Nota:<\/span><\/u> Gradul Reaumur este o unitate nerationalizata. Unitatea fundamentala pentru temperatura este Kelvin ( K ) ; se accepta si gradul Celsius. ( C )<\/span><\/span><\/i><\/span><\/div>\n
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Rene Antoine Ferchault de Reaumur s-a nascut la 28 februarie 1683, in localitatea La Rochelle. La inceput a studiat dreptul la Bourges, apoi, in 1703 s-a mutat la Paris, unde a studiat stiintele naturii, matematica si fizica. La varsta de 25 de ani a devenit membru al Academiei de Stiinte din Paris si in cei […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[1],"tags":[],"aioseo_notices":[],"yoast_head":"\nANTOINE FERCHAULT DE REAUMUR (1683 - 1757) - Jobs\/ Internships\/ Scholarships\/<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rubyskynews.com\/index.php\/2011\/03\/29\/antoine-ferchault-de-reaumur-1683-1757-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ANTOINE FERCHAULT DE REAUMUR (1683 - 1757) - Jobs\/ Internships\/ Scholarships\/\" \/>\n<meta property=\"og:description\" content=\"Rene Antoine Ferchault de Reaumur s-a nascut la 28 februarie 1683, in localitatea La Rochelle. 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