{"id":521,"date":"2021-11-20T12:57:11","date_gmt":"2021-11-20T12:57:11","guid":{"rendered":"https:\/\/2022.ar-calendar.ro\/mai\/"},"modified":"2022-01-05T09:41:32","modified_gmt":"2022-01-05T09:41:32","slug":"majus","status":"publish","type":"post","link":"https:\/\/2022.ar-calendar.ro\/hu\/majus\/","title":{"rendered":"M\u00e1jus"},"content":{"rendered":"<p>[vc_row][vc_column][vc_column_text]B\u00e1rmilyen hihetetlennek is hangzik, a k\u00f6zelm\u00faltban voltak olyanok, akik nagyon magas szint\u0171 sug\u00e1rz\u00e1snak tett\u00e9k ki magukat csak az\u00e9rt, hogy ur\u00e1n\u00fcveget gy\u00e1rtsanak. Ahogy a neve is sugallja, a k\u00fcl\u00f6nleges \u00fcvegv\u00e1ltozat l\u00e9trehoz\u00e1s\u00e1hoz ur\u00e1noxidot haszn\u00e1lnak, amely s\u00e1rg\u00e1s vagy s\u00e1rg\u00e1sz\u00f6ld \u00e1rnyalatot k\u00f6lcs\u00f6n\u00f6z az ur\u00e1n\u00fcvegnek. Az \u00fcvegt\u00edpus \u00f6sszet\u00e9tel\u00e9ben r\u00e9szt vev\u0151 ur\u00e1nkoncentr\u00e1ci\u00f3 \u00e1ltal\u00e1ban 2% k\u00f6r\u00fcl mozog, b\u00e1r a XX. sz\u00e1zad elej\u00e9n gy\u00e1rtott ed\u00e9nyekben a koncentr\u00e1ci\u00f3 el\u00e9rhette a 25%-ot is.<\/p>\n<p>\u00c9rdekess\u00e9ge, hogy az \u00fcveg fluoreszcenci\u00e1j\u00e1nak semmi k\u00f6ze az ur\u00e1n radioaktivit\u00e1s\u00e1hoz. S\u0151t, min\u00e9l magasabb az \u00fcveg ur\u00e1nkoncentr\u00e1ci\u00f3ja, ann\u00e1l gyeng\u00e9bben fluoreszk\u00e1l.<\/p>\n<p>Az ur\u00e1n\u00fcveg haszn\u00e1lata az ed\u00e9nygy\u00e1rt\u00e1sban az 1830-as \u00e9vekben \u00f6lt\u00f6tt nagy m\u00e9reteket, miut\u00e1n a csehorsz\u00e1gi Sankt Joachimsthal ez\u00fcstb\u00e1ny\u00e1iban ur\u00e1ntartalm\u00fa vegy\u00fcleteket fedeztek fel.<\/p>\n<p>1879-ben Martin Klaproth n\u00e9met vegy\u00e9sz elemz\u00e9snek vetette al\u00e1 a b\u00e1ny\u00e1b\u00f3l sz\u00e1rmaz\u00f3 \u00e1sv\u00e1nymint\u00e1kat, felmeleg\u00edtette, \u00e9s izol\u00e1lta az ur\u00e1n-dioxidot. A nemr\u00e9giben felfedezett Ur\u00e1nusz bolyg\u00f3r\u00f3l nevezte el.<\/p>\n<p>A legt\u00f6bb ur\u00e1n\u00fcvegb\u0151l k\u00e9sz\u00fclt t\u00e1rgyat 1880 \u00e9s 1920 k\u00f6z\u00f6tt gy\u00e1rtott\u00e1k, amikor a brit \u00fcveggy\u00e1rosok, k\u00f6zt\u00fck Bagley \u00e9s Davidson, v\u00e1g\u00e1ssal \u00e9s grav\u00edroz\u00e1ssal kezdtek l\u00e9trehozni m\u0171t\u00e1rgyakat ur\u00e1n\u00fcvegb\u0151l. Sajnos az ur\u00e1n-oxidoknak val\u00f3 folytonos kitetts\u00e9g a munk\u00e1soknak s\u00falyos eg\u00e9szs\u00e9gk\u00e1rosod\u00e1st okozott.<\/p>\n<p>Az els\u0151 vil\u00e1gh\u00e1bor\u00fa kezdet\u00e9re, ahogy az ur\u00e1n \u00e1ltal jelentett vesz\u00e9lyek egyre ismertebb\u00e9 v\u00e1ltak, az ur\u00e1n \u00e9s sz\u00e1rmaz\u00e9kainak haszn\u00e1lat\u00e1t szigor\u00fa szab\u00e1lyoz\u00e1s al\u00e1 vont\u00e1k. Emiatt m\u00e9g azok az ur\u00e1ns\u00f3k is, amelyeket m\u00e9g felhaszn\u00e1ltak gy\u00f3gyszer\u00e9szeti c\u00e9l\u00fa \u00fcveged\u00e9nyekhez, szeg\u00e9ny\u00edtett, (a radioakt\u00edv izot\u00f3pra) kimer\u00edtett ur\u00e1ns\u00f3kb\u00f3l sz\u00e1rmaztak.<\/p>\n<p>B\u00e1r a m\u00e1sodik vil\u00e1gh\u00e1bor\u00fa ut\u00e1n besz\u00fcntett\u00e9k a gy\u00e1rt\u00e1s\u00e1t, egyes r\u00e9gis\u00e9ggy\u0171jt\u0151k m\u00e9g ma is \u0151riznek otthonaikban ur\u00e1n\u00fcvegb\u0151l k\u00e9sz\u00fclt t\u00e1rgyakat.[\/vc_column_text]<style type=\"text\/css\" data-type=\"the7_shortcodes-inline-css\">.gallery-shortcode.gallery-masonry-shortcode-id-43ba6ac25773630a51a5c86393acd7f3 figure,\n.gallery-shortcode.gallery-masonry-shortcode-id-43ba6ac25773630a51a5c86393acd7f3 .rollover,\n.gallery-shortcode.gallery-masonry-shortcode-id-43ba6ac25773630a51a5c86393acd7f3 img,\n.gallery-shortcode.gallery-masonry-shortcode-id-43ba6ac25773630a51a5c86393acd7f3 .gallery-rollover {\n  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.gallery-shortcode.gallery-masonry-shortcode-id-43ba6ac25773630a51a5c86393acd7f3.resize-by-browser-width .dt-css-grid .wf-cell {\n    width: 50%;\n  }\n  .cssgridlegacy.no-cssgrid .gallery-shortcode.gallery-masonry-shortcode-id-43ba6ac25773630a51a5c86393acd7f3.resize-by-browser-width .dt-css-grid .wf-cell.double-width,\n  .no-cssgridlegacy.no-cssgrid .gallery-shortcode.gallery-masonry-shortcode-id-43ba6ac25773630a51a5c86393acd7f3.resize-by-browser-width .dt-css-grid .wf-cell.double-width {\n    width: calc(50%)*2;\n  }\n}\n@media screen and (max-width: 767px) {\n  .gallery-shortcode.gallery-masonry-shortcode-id-43ba6ac25773630a51a5c86393acd7f3.resize-by-browser-width .dt-css-grid {\n    grid-template-columns: repeat(2,1fr);\n  }\n  .cssgridlegacy.no-cssgrid .gallery-shortcode.gallery-masonry-shortcode-id-43ba6ac25773630a51a5c86393acd7f3.resize-by-browser-width .dt-css-grid .wf-cell,\n  .no-cssgridlegacy.no-cssgrid 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data-phone-columns-num=\"2\" data-width=\"0px\" data-columns=\"0\"><div class=\"iso-container\" ><div class=\"wf-cell iso-item\" data-post-id=\"410\" data-date=\"2022-01-02T11:32:02+00:00\" data-name=\"mai-01\"><figure class=\"post visible\"><a href=\"https:\/\/2022.ar-calendar.ro\/wp-content\/uploads\/2021\/11\/mai-01-1.jpg\" class=\"rollover dt-pswp-item layzr-bg\" data-large_image_width=\"1200\" data-large_image_height=\"800\" data-dt-img-description=\"\" title=\"mai-01\"><img class=\"preload-me iso-lazy-load\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%20490%20327&#39;%2F%3E\" data-src=\"https:\/\/2022.ar-calendar.ro\/wp-content\/uploads\/2021\/11\/mai-01-1-490x327.jpg\" data-srcset=\"https:\/\/2022.ar-calendar.ro\/wp-content\/uploads\/2021\/11\/mai-01-1-490x327.jpg 490w, https:\/\/2022.ar-calendar.ro\/wp-content\/uploads\/2021\/11\/mai-01-1-735x491.jpg 735w\" alt=\"\" width=\"490\" height=\"327\"  \/><span class=\"gallery-rollover\"><span class=\"gallery-zoom-ico icomoon-the7-font-the7-zoom-06\"><span><\/span><\/span><\/span><\/a><\/figure><\/div><div class=\"wf-cell iso-item\" data-post-id=\"412\" data-date=\"2022-01-02T11:32:03+00:00\" data-name=\"mai-02\"><figure class=\"post visible\"><a href=\"https:\/\/2022.ar-calendar.ro\/wp-content\/uploads\/2021\/11\/mai-02-1.jpg\" class=\"rollover dt-pswp-item layzr-bg\" data-large_image_width=\"1200\" data-large_image_height=\"800\" data-dt-img-description=\"\" title=\"mai-02\"><img class=\"preload-me iso-lazy-load\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%20490%20327&#39;%2F%3E\" data-src=\"https:\/\/2022.ar-calendar.ro\/wp-content\/uploads\/2021\/11\/mai-02-1-490x327.jpg\" data-srcset=\"https:\/\/2022.ar-calendar.ro\/wp-content\/uploads\/2021\/11\/mai-02-1-490x327.jpg 490w, https:\/\/2022.ar-calendar.ro\/wp-content\/uploads\/2021\/11\/mai-02-1-735x491.jpg 735w\" alt=\"\" width=\"490\" height=\"327\"  \/><span class=\"gallery-rollover\"><span class=\"gallery-zoom-ico icomoon-the7-font-the7-zoom-06\"><span><\/span><\/span><\/span><\/a><\/figure><\/div><div class=\"wf-cell iso-item\" data-post-id=\"486\" data-date=\"2022-01-03T16:24:08+00:00\" data-name=\"mai-03\"><figure class=\"post visible\"><a href=\"https:\/\/2022.ar-calendar.ro\/wp-content\/uploads\/2021\/11\/mai-03.jpg\" class=\"rollover dt-pswp-item layzr-bg\" data-large_image_width=\"1200\" data-large_image_height=\"800\" data-dt-img-description=\"\" title=\"mai-03\"><img class=\"preload-me iso-lazy-load\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%20490%20327&#39;%2F%3E\" data-src=\"https:\/\/2022.ar-calendar.ro\/wp-content\/uploads\/2021\/11\/mai-03-490x327.jpg\" data-srcset=\"https:\/\/2022.ar-calendar.ro\/wp-content\/uploads\/2021\/11\/mai-03-490x327.jpg 490w, https:\/\/2022.ar-calendar.ro\/wp-content\/uploads\/2021\/11\/mai-03-735x491.jpg 735w\" alt=\"\" width=\"490\" height=\"327\"  \/><span class=\"gallery-rollover\"><span class=\"gallery-zoom-ico icomoon-the7-font-the7-zoom-06\"><span><\/span><\/span><\/span><\/a><\/figure><\/div><\/div><!-- iso-container|iso-grid --><\/div>[\/vc_column][\/vc_row][vc_row el_class=&#8221;month-copy&#8221;][vc_column][vc_column_text]<strong>Surs\u0103:<\/strong><\/p>\n<p><a href=\"https:\/\/www.umfst.ro\/home.html\" target=\"_blank\" rel=\"noopener\">&#8220;George Emil Palade&#8221; Egyetem M\u00fazeuma, Marosv\u00e1s\u00e1rhely<\/a><\/p>\n<p><a href=\"http:\/\/muzeulmures.ro\/\" target=\"_blank\" rel=\"noopener\">Maros Megyei M\u00fazeum<\/a><\/p>\n<p><strong>Hivatkoz\u00e1sok:<\/strong><\/p>\n<p><a href=\"https:\/\/flarione.ru\/ro\/literacy\/uranovoe-steklo-sostav-opasno-li-uranovoe-steklo-posuda-iz\/\">Flarione.ru<\/a><\/p>\n<p><a href=\"https:\/\/incredibilia.ro\/sticla-cu-uraniu\/\">Incredibilia.ro<\/a><\/p>\n<p><a href=\"https:\/\/www.descopera.ro\/stiinta\/16816861-opt-lucruri-pe-care-trebuie-sa-le-stii-despre-uraniu\">Descopera.ro<\/a><\/p>\n<p><a href=\"https:\/\/ro.wikipedia.org\/wiki\/Uraniu\">Wikipedia.org<\/a>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text]B\u00e1rmilyen hihetetlennek is hangzik, a k\u00f6zelm\u00faltban voltak olyanok, akik nagyon magas szint\u0171 sug\u00e1rz\u00e1snak tett\u00e9k ki magukat csak az\u00e9rt, hogy ur\u00e1n\u00fcveget gy\u00e1rtsanak. Ahogy a neve is sugallja, a k\u00fcl\u00f6nleges \u00fcvegv\u00e1ltozat l\u00e9trehoz\u00e1s\u00e1hoz ur\u00e1noxidot haszn\u00e1lnak, amely s\u00e1rg\u00e1s vagy s\u00e1rg\u00e1sz\u00f6ld \u00e1rnyalatot k\u00f6lcs\u00f6n\u00f6z az ur\u00e1n\u00fcvegnek. Az \u00fcvegt\u00edpus \u00f6sszet\u00e9tel\u00e9ben r\u00e9szt vev\u0151 ur\u00e1nkoncentr\u00e1ci\u00f3 \u00e1ltal\u00e1ban 2% k\u00f6r\u00fcl mozog, b\u00e1r a XX. sz\u00e1zad elej\u00e9n&hellip;<\/p>\n","protected":false},"author":1,"featured_media":414,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/2022.ar-calendar.ro\/hu\/wp-json\/wp\/v2\/posts\/521"}],"collection":[{"href":"https:\/\/2022.ar-calendar.ro\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/2022.ar-calendar.ro\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/2022.ar-calendar.ro\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/2022.ar-calendar.ro\/hu\/wp-json\/wp\/v2\/comments?post=521"}],"version-history":[{"count":2,"href":"https:\/\/2022.ar-calendar.ro\/hu\/wp-json\/wp\/v2\/posts\/521\/revisions"}],"predecessor-version":[{"id":523,"href":"https:\/\/2022.ar-calendar.ro\/hu\/wp-json\/wp\/v2\/posts\/521\/revisions\/523"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/2022.ar-calendar.ro\/hu\/wp-json\/wp\/v2\/media\/414"}],"wp:attachment":[{"href":"https:\/\/2022.ar-calendar.ro\/hu\/wp-json\/wp\/v2\/media?parent=521"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/2022.ar-calendar.ro\/hu\/wp-json\/wp\/v2\/categories?post=521"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/2022.ar-calendar.ro\/hu\/wp-json\/wp\/v2\/tags?post=521"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}