trace rare earth impurities
trace rare earth impurities
微量稀土杂质
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The method of inductively coupled plasma-mass spectrometry for determination of impurities of 30 trace rare earth and non-rare earth elements in high purity ytterbium oxide was studied.
报道了高纯氧化钇中30种痕量稀土和非稀土杂质元素的电感耦合等离子体质谱测定方法。
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