• 实验研究分解高浓度氧化钾溶液中浸出过程机理

    The leaching mechanism of niobium from a refractory niobium-tantalum ore by concentrated potassium hydroxide was studied.

    youdao

  • 采用氢氧化熔融不同无机处理合成酸。

    Niobium acid was synthesized by potassium hydroxide melting method using different inorganic acid treatment and its properties were characterized by FF-IR, TG and UV-VIS spectra.

    youdao

  • 采用氢氧化熔融不同无机处理合成酸。

    Niobium acid was synthesized by potassium hydroxide melting method using different inorganic acid treatment and its properties were characterized by FF-IR, TG and UV-VIS spectra.

    youdao

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