论文部分内容阅读
本文从大连市土壤方面出发,在大面积调查的基础上,用科学先进的方法算出大连市氟元素背景含量,从而揭示了大连市氟元素区域背景值含量及分布规律。
Based on a large area investigation, this paper calculated the background content of fluoride in Dalian by scientific and advanced methods, revealing the background content and distribution of fluoride in Dalian.