伊朗发动“真实承诺4”第93波攻势

Chinese scientists use nanocoating to protect dinosaur egg fossil site in Hubei_蜘蛛资讯网

英国王回应送特朗普一口钟

ght weathering, a research team led by Sichuan University of Science & Engineering professor Deng Jianguo developed a nano-silica composite emulsion tailored to the site’s geological conditions an

mical erosion, Xinhua reported. According to Deng, the emulsion penetrates the fossils and surrounding rocks, forming a protective thin film on their surface that isolates them from air and stren

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