环境地球化学基线提供了对比及判别人类或者自然事件造成的环境扰动的标准，其研究具有重要意义和迫切需求。
It is of great significance to study the environmental geochemical baseline which supplies a standard to compare and distinguish the environmental disturbance caused by human events or natural events.
对页岩标准物质（GBW 07107）和水系沉积物地球化学成分分析标准物质（GBW 07305、GBW 07310）的分析，测定值与标准值相一致。
The method has been applied to the determination of rare and rare earth elements in standard reference shale sample (GBW 07107)and standard reference stream sediments(GBW 07305 and GBW 07310).
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