• 介绍乙酸原料,以氧化催化剂来制取乙酸异丙酯方法

    This paper introduces a synthesis method of iso-propyl acetate, using acetic acid and iso-propyl alcohol as raw material and neodymium oxide as catalyst.

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  • 利用稀土烧结铁硼永磁材料废料作为原料,选用溶-复盐沉淀的化学法,进行制取氧化实验研究

    A study for preparing neodymium oxide from waste Nd-Fe-B materials was conducted by adopting acid solving-composite salt precipitation process.

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  • 结果表明:随着结晶陈化温度提高,结晶碳酸氧化含量升高,而增大碳酸氢铵加入量则使氧化钕含量降低

    It was found that the neodymium oxide content in neodymium carbonate increased with adding temperature increasing and decreased with the feed molar ratio increasing.

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  • 以工业氧化氧化主要原料通过调整配比采用不同矿化剂,在适当的工艺条件下合成出了新型稀土料。

    The new rare earth pigment was synthesized by adjusting ratio of neodymium and aluminum and adopting different mineralizer, using neodymium oxide and alumina as main raw material.

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  • 采用真空自耗电极电弧熔炼制成氧化颗粒增强复合材料。

    The neodymide particulate reinforced titanium matrix composites were made by vacuum arc remelting.

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  • 由于离子进入声子能量氟化物中,无辐射跃迁损失小,氟氧化玻璃基质量子效率高于氧化物玻璃基质的量子效率。

    Nd3 + enters into fluoride with the low phonon energy, so the loss of irradiation transitions deduces, the quantum efficiency of oxy-fluoride glass is higher than that of oxide glass.

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  • 由于离子进入声子能量氟化物中,无辐射跃迁损失小,氟氧化玻璃基质量子效率高于氧化物玻璃基质的量子效率。

    Nd3 + enters into fluoride with the low phonon energy, so the loss of irradiation transitions deduces, the quantum efficiency of oxy-fluoride glass is higher than that of oxide glass.

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