;
于…;In this paper,the practice of producing nanometer zincite and concentrating indium from the dust of smelting lead was introduced in detail.
文章详细介绍了利用铅冶炼烟尘生
纳米氧化
并富集
的生实践。
（49号元素）In this paper,the practice of producing nanometer zincite and concentrating indium from the dust of smelting lead was introduced in detail.
文章详细介绍了利用铅冶炼烟尘生纳米氧化并富集的生实践。
The indium sesquioxide with over 99% purity can be prepared by a decomposition of nitric acid. The method was characterized by fewer equipments, simple operation, low cost and quick yield.
采用硝酸分解法可制取纯度高于99%的三氧化二.
法具有设备少、操作简单、成低、见效快等优点.
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