The form structure and element component of mycorrhizas in dendrobium SPP.
三种石斛菌根形态结构及元素构成的研究。
The joint structure and element distribution at brazing seam are also studied by SEM/EDAX and thermodynamics measures.
通过SEM/EDAX以及热力学方法分析了钎焊接头组织及钎缝的成分分布。
The joint structure and element distribution at brazing seam are also studied by SEM/EDAX and thermodynamics measures.
通过SEM/EDAX以及热力学方法分析了钎焊接头组织及钎缝的成分分布。
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