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“超高纯稀土氧化物的制备和分析研究”是中国科学院“八五”重大科研项目的研究课题之一,经过二年多的努力,巳由长春应用化学研究所完成了16种纯度
“Preparation and Analysis of Ultra-high Purity Rare-Earth Oxides” is one of the research topics of the “Ninth Five-Year Plan” major research project of the Chinese Academy of Sciences. After more than two years of hard work, the Institute of Applied Chemistry of Changchun has completed 16 kinds of purity