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zheng xiang ye ti se pu fa ce ding ppt liang ji de xi
Author(s): 
Pages: 121-124
Year: Issue:  1
Journal: Acta Scientiae Circumstantiae

Keyword:  液相色谱超微量分析;
Abstract: <正>硒作为生命必需的微量元素,其有关研究报告日见增多。在我国,已经报道了由区域环境低硒引起的大骨节病、克山病、以及区域性癌症。相关研究工作包括我国低硒带的成因、硒的生物地球化学循环、地方病病因的探讨。由于中国低硒带内环境样品硒含量低,其中饮水中硒的总量一般低于0.1ppb,形态分析中的组成部分含量甚至低于0.01ppb,因
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