Regional streamsediment data can be used in studies of regional geochemical fields.
研究区域地球化学场可用区域分散流普查资料来进行。
2
Proceeded from the relationship between geochemical environment and mankind existence, and based on the data of regional streamsediment survey, the geochemical environment map is drown up.
本文从地球化学环境与人类生存关系出发，依据区域化探水系沉积物资料编制环境地球化学图。
3
In the streamsediment, the content of elements appears obvious difference at the boundary line of 80-mesh granularity, and the content of elements (-80 mesh) is obviously disturbed by eolian sand.