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°®ÓëÓêÏÂ: ½ð±Ò+1 2013-01-11 21:30:34
yoyoego: ½ð±Ò+15, ¡ï¡ï¡ïºÜÓаïÖú, ллÄãÕÒÁËÕâô¶à 2013-01-12 09:20:29
°®ÓëÓêÏÂ: ½ð±Ò+1 2013-01-11 21:30:34
yoyoego: ½ð±Ò+15, ¡ï¡ï¡ïºÜÓаïÖú, ллÄãÕÒÁËÕâô¶à 2013-01-12 09:20:29
1¡¢chemical preparation CHEMICAL PREPARATION, STRUCTURE ANALYSIS AND SPECTRUM CHARACTERISTICS OF YPO 4¡ÃPr 3+ NANOCRYSTAL ÄÉÃ×YPO_4 r~(3+)µÄ»¯Ñ§ÖƱ¸¡¢½á¹¹·ÖÎöºÍ¹âÆ×ÌØÐÔ 2¡¢chemical processing The chemical processing for Al 2O 3/SiC p nano_composites was studied. »¯Ñ§¹¤ÒÕÊǼô²ÃºÍ¿ØÖÆÌմɲÄÁÏÏÔ΢½á¹¹×îÓÐЧµÄÊÖ¶ÎÖ®Ò» . Ϊ´ËÏêϸÑо¿ÁËAl2 O3 /SiCp ÄÉÃ׸´ºÏ²ÄÁϵĻ¯Ñ§ÖƱ¸¹¤ÒÕ . 3¡¢chemistry preparation The principle of age dating of radiogenic isotope carbon in the Laboratory of Xinjiang Seismological Bureau are described, including sample preprocessing and chemistry preparation, low level measuring method of radioactive age. Ö÷Òª½éÉÜн®Î¬Îá¶û×ÔÖÎÇøµØÕð¾Ö·ÅÉäÐÔÍ¬Î»ËØÌ¼²âÄêʵÑéÊÒµÄ14C²âÄêÔÀí£¬ÑùÆ·µÄǰ´¦Àí¡¢ÑùÆ·µÄ»¯Ñ§ÖƱ¸£¬µÍˮƽ·ÅÉäÐÔ²âÁ¿·½·¨¼°²â¶¨Äê´ú¡£ 4¡¢ »¯Ñ§ºÏ³É chemical synthesis¡¢synthesis¡¢chemosynthesis 5¡¢ ͸Ã÷ÖÊËá hyaluronic acid¡¢hyaluronate¡¢ |
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