{"id":12703,"date":"2023-05-18T14:41:33","date_gmt":"2023-05-18T14:41:33","guid":{"rendered":"https:\/\/www.africa-press.net\/djibouti\/politique\/decouverte-du-secret-de-fabrication-du-ciment-maya-dune-solidite-exceptionnelle"},"modified":"2023-05-18T15:19:02","modified_gmt":"2023-05-18T15:19:02","slug":"decouverte-du-secret-de-fabrication-du-ciment-maya-dune-solidite-exceptionnelle","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/djibouti\/toutes-les-actualites\/decouverte-du-secret-de-fabrication-du-ciment-maya-dune-solidite-exceptionnelle","title":{"rendered":"D\u00e9couverte du secret de fabrication du ciment maya, d&rsquo;une solidit\u00e9 exceptionnelle"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Djibouti. <\/strong><\/span>Pour obtenir la solidite\u0301 exceptionnelle du ciment maya, il faut ajouter a\u0300 la chaux vive la se\u0300ve de deux arbres locaux, ont de\u0301couvert des chercheurs espagnols sur les conseils de mac\u0327ons indiens au Honduras. Ils publient cette conclusion dans la revue Science Advances.<\/p>\n<p><b>Un ciment qui pre\u0301sente une grande re\u0301sistance aux chocs et a\u0300 l&rsquo;eau<\/b><\/p>\n<p>L\u2019apport des chai\u0302nes glucidiques aux cristaux de calcite confe\u0300rent au mate\u0301riau une grande re\u0301sistance aux chocs et a\u0300 l\u2019effet dissolvant de l\u2019eau, proprie\u0301te\u0301s que l\u2019on retrouve chez les coquillages qui, de leur co\u0302te\u0301, combinent a\u0300 leur matrice prote\u0301ique des cristaux de carbonate calcium.<\/p>\n<p><b>Nos articles pre\u0301ce\u0301dents sur les Mayas<\/b><\/p>\n<p>Les anciennes cite\u0301s mayas e\u0301taient dangereusement contamine\u0301es au mercure<\/p>\n<p>Pourquoi les civilisations finissent-elles par disparai\u0302tre ?<\/p>\n<p>Une e\u0301trange\u0300re enterre\u0301e avec tous les honneurs : qui e\u0301tait \u00ab\u00a0la Sen\u0303ora SAS\u00a0\u00bb retrouve\u0301e dans la cite\u0301 maya de Palenque ?<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <a href=\"https:\/\/www.africa-press.net\/djibouti\">Djibouti<\/a>, suivez <a href=\"https:\/\/www.africa-press.net\/\">Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Djibouti. Pour obtenir la solidite\u0301 exceptionnelle du ciment maya, il faut ajouter a\u0300 la chaux vive la se\u0300ve de deux arbres locaux, ont de\u0301couvert des chercheurs espagnols sur les conseils de mac\u0327ons indiens au Honduras. Ils publient cette conclusion dans la revue Science Advances. Un ciment qui pre\u0301sente une grande re\u0301sistance aux chocs [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":12702,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[36,49,50],"class_list":["post-12703","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-africa-press","tag-africa-press-djibouti","tag-djibouti"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>D\u00e9couverte du secret de fabrication du ciment maya, d&#039;une solidit\u00e9 exceptionnelle - Djibouti<\/title>\n<meta name=\"description\" content=\"Pour obtenir la solidite\u0301 exceptionnelle du ciment maya, il faut ajouter a\u0300 la chaux vive la se\u0300ve de deux arbres locaux ...\" 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