Some views on the current situation of scientific research and production of vanadium trioxide are presented.

对三氧化二钒的科研生产现状提出了看法。

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Due to the effect of the vanadium trioxide evenly dispersed in the raw materials, the cemented carbidealloy obtained through sintering has an enhanced hardness.

由此，通过在原料中均匀分散的三氧化钒的效果，烧制后 的超硬合金的硬度提高。

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