About DAIGO ICHIRO
About 東京大学大学院工学系研究科
About KOKETSU SHOTA
About 東京大学大学院工学系研究科
About OTA SATOSHI
About 東京大学大学院工学系研究科
About HAYASHI HIDEO
About 東京都立産業技術研究センター
About ENOKI MANABU
About 東京大学大学院工学系研究科
About carbon steel
About impurity
About Copper
About impurity concentration
About recycling
About pollution
About arc furnace steelmaking
About bar steel
About shaped steel
About content (quantity)
About supply source
About occupancy
About scrap iron
About export
About separation
About utilization
About reuse
About bar
About metal bar
About tramp element
About scrap-mixed metal
About zappin scrap
About Cu contents
About repeated recycling
About tramp element
About scrap-mixed metal
About zappin scrap
About Cu contents
About repeated recycling
About Waste treatment
About Other raw materials of iron and steel making
About 日本
About 普通鋼
About Cu
About 要因
About 同定