稀土元素在环境中的分布分异机制，是研究其作为地球化学示踪剂的重要基础和必要前提。
The distribution and fractionation of Rare Earth element are the base for their usage as trace elements.
结果表明，乳酸菌gf 103具备益生菌特性，可进一步研究其作为微生物添加剂在动物上的应用效果。
These results suggest that the strain GF103 has probiotic properties and the effects on its application in animals as feed additives can be further studied.
采用建筑废料及炉渣等材料对大沽河疏浚淤泥进行处置，研究其作为路基填料的可行性，实现疏浚淤泥的资源化和无害化处理。
The dredging silt of Dagu River is disposed of the building waste materials and slag. The article studies its feasibility of the roadbed stuffing to realize the resourcization and decontamination.
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