The extent of ree enrichment and differentiation is affected by ree concentrations and distributions in the primary granitoid rocks, weathering degree, etc.
REE在风化壳中富集分异受风化壳发育程度、花岗岩原岩中ree含量及其分布和分配的影响。
2
Through the system analysis, it announced APM's character, elements enrichmentdegree and style of pollutant source of the two sampling sites in Liangxiang of Beijng.