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Featured researches published by Isao Kushima.


Materials Transactions | 1964

Behaviors of Sn, Ti and Fe in Liquid-Liquid Extraction of Nb and Ta

Sanji Nishimura; Jyoichiro Moriyama; Isao Kushima


Materials Transactions | 1964

Extraction and Separation of Tantalum and Niobium by Liquid-Liquid Extraction in the HF-H 2 SO 4 -TBP System

Sanji Nishimura; Jyoichiro Moriyama; Isao Kushima


Materials Transactions | 1963

Extraction and Separation of Tantalum and Niobium by Liquid-Liquid Extraction in the Hydrofluoric Acid-Tributyl Phosphate System

Sanji Nishimura; Jyoichiro Moriyama; Isao Kushima


Materials Transactions | 1964

The Mechanism of Extraction of Tantalum in the Tantalum-Hydrofluoric Acid-Tributyl Phosphate System

Sanji Nishimura; Jyoichiro Moriyama; Isao Kushima


Journal of The Japan Institute of Metals | 1962

Extraction and Separation of Tantalum and Niobium by Liquid-Liquid Extraction in Hydrofluoric Acid-Tributyl Phosphate System

Sanji Nishimura; Jyoichiro Moriyama; Isao Kushima


Journal of The Japan Institute of Metals | 1961

Behavior of Fe in Liquid-Liquid Extraction of Nb and Ta

Sanji Nishimura; Jhoichiro Moriyama; Isao Kushima


Journal of The Japan Institute of Metals | 1962

Extraction and Separation of Tantalum and Niobium by Liquid-Liquid Extraction in Hydrofluoric acid-Sulphuric Acid-Tributyl Phosphate System

Sanji Nishimura; Jyoichiro Moriyama; Isao Kushima


Journal of The Japan Institute of Metals | 1962

The Mechanism of Tantalum Extraction in Tantalum-Hydrofluoric Acid-Tributyl Phosphate System

Sanji Nishimura; Jyoichiro Moriyama; Isao Kushima


Journal of the Mining and Metallurgical Institute of Japan | 1961

Study on the Production of Tantalum by Electrolysis of Fused Salt

Sanzi Nishimura; Jyoichiro Moriyama; Isao Kushima


Journal of the Mining and Metallurgical Institute of Japan | 1960

Study on the Chlorination of the Materials Containing Niobium and Tantalum Elements

Akio Moriuchi; Sanzi Nishimura; Jyoichiro Moriyama; Isao Kushima

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