铁是地壳中含量最多的元素之一，同时它也是氧化还原性很强的活泼金属。
Iron is one of the largest elements in the earths crust as well as it is highly active metals.
本文采用凝胶前驱体纤维热分解还原法制备了镍、镍-钴、铁、镍-铁四种磁性金属纤维。
In this paper, the Ni, Ni-Co, Fe and Ni-Fe magnetic fibers were prepared by thermal decomposition reducing method of gel precursor fibers.
用电子扫描电镜分析和探讨了铁矿粉在还原流化床中的粘结行为与金属铁析出形态的关系。
The relation of the sticking behaviour of fine iron ore with the separating morphology of metallic iron during reduction in a fluidized bed had been analyzed with scanning electron microscopy.
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