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Effect of Yb3+ Concentration on the Upconversion Iuminescence of Er3+and Yb3+ Ions Co-Doped La2O3 Na
【机 构】
：
State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Be
【出 处】
：
第六届上海国际分析化学研讨会
【发表日期】
：
2012年9期
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