About KOZAWA Sumio
About Graduate School of Engineering, The Univ. of Tokyo
About HAYASHI Seiichi
About Iron Recycling Res.
About TSUKIHASHI Fumitaka
About Graduate School of Frontier Sciences, The Univ. of Tokyo
About ISIJ International (Iron and Steel Institute of Japan)
About demand forecasting
About demand analysis
About theory
About steel product
About economic growth
About property
About raw material
About practicality
About ansatz
About inventory
About steel material
About Raw materials of iron and steel making in general
About 在庫
About ユーティリティ
About 仮説
About 世界
About 需要
About 解析