This paper presents the study and development of a high strength heat resistant aluminium alloy conductor for large span installation.
阐述了用于大跨越的高强度耐热铝合金导线的研究与试制。
High purity gallium metal is the basic ingredient for semiconductor compound material, and it is also highly utilized in the manufacture of super conductor material, alloy, alnico etc.
高纯度金属镓是生产化合物半导体材料的基础材料，同时它还可以用于生产超导材料、合金材料、永磁材料等。
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