本文综述了热力学平衡分析方法应用于砷和硒在燃煤过程中形态转化和平衡分布等方面的研究进展。
A review about thermodynamic equilibrium analysis applied to arsenic and selenium speciations from coal combustion is given in this paper.
并采用索氏提取技术和正辛醇-水萃取技术对砷、锑形态在中药中的分布特征进行了分析研究。
Soxhlet extraction system and an-octanol-water extraction system were employed for speciation analysis and research of As and se in Chinese herbs.
本文论述了砷在土壤中的分布和存在形态，探讨了土壤砷环境基准值的确定依据。
The forms and distribution of arsenic in soils were discussed. The basis for setting soil-environmental criteria for arsenic was studied.
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