The aim of this work was to check and determine the activity concentration of 40K,226Ra and 228Ra in some commercial bot......

目的 了解2013年中国21个省市自治区桶装水来源铜绿假单胞菌的鉴定正确率,对我国桶装水来源铜绿假单胞菌的耐药状况进行初步分析.......