Several methods for analysis of dissolved total phosphorus in seawater were reviewed. Discussions were focused on UV irr......

Several methods for analysis of dissolved total phosphorus in seawater were reviewed. Discussions were focused on UV irr......

利用低功率Ｈｅ－Ｎｅ激光辐照离体质粒ＤＮＡ，分析了质粒ＤＮＡ的损伤效应和ｌａｃＺ基因的突变。结果表明Ｈｅ－Ｎｅ激光低剂量辐照可提高质粒转化活性随着剂量增加可引起ＤＮＡ结......