去年夏天刚刚过了二个月，铈的价格涨了450%。
Over just two months last summer, prices on cerium jumped more than 450 percent.
用途：主要用于催化剂、医药、氧化铈的生产原料等。
Uses: mainly used in catalysts, pharmaceuticals, cerium oxide production of raw materials, etc.
氧化钇和氧化铈的制备仅仅为后续研究做可行性分析提供依据。
Yttrium oxide and cerium oxide produced only for the follow-up study done on the basis of feasibility analysis.
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