About SUGAWARA KATSUYASU
About 秋田大 工学資源
About NONAKA RISEHIRO
About ケミカルエンジニヤリング
About license
About technology development
About chlorination (chemical reaction)
About selectivity
About separation
About useful material recovery
About chemical process
About process development
About wet method
About rare metal
About dry method
About chloride
About evaporation
About Tantalum
About niobium
About Indium
About solvent extraction
About separation efficiency
About concentration (enrichment)
About Volatilization
About Unit process
About Extraction
About ライセンス
About 開発
About 展望
About 揮発
About 元素
About 回収プロセス