真空自耗电弧炉是熔炼钛、锆等稀有金属的主要工业手段，如何提高熔炼工艺水平，保证产品质量，提高经济效益，已成为稀有金属行业广泛关注的问题。
With requred to the melting of rare metals the major issues are the development of melting technology, assurance of product quality, and increase in production efficiency.
还对稀有金属有高度富集作用，这主要归功于F、B、P等挥发份对稀有金属元素的亲和力。
Furthermore, the immiscibility can enrich rare elements to high level, which owe to the affinity of volatile like f, b, P, etc to rare elements.
该类型熔炉是分析稀有金属、验定及其他旨在确定材料中稀有金属成分过程的理想产品。
This type of furnaces is ideal especially for analysis of rare metals and in assaying and other processes aimed at determination of the contents of are metals in materials.
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