Issue 12

News

2 Phung Viet Ngu: Resolutions of Central Comittee of VFMS- TA

2 Phung Viet Ngu: Ten priority industrial fields of Vietnam

3 Scientific workshop on Foundry

4 Van Anh: News of world steel industry

8 News challenges for steel industry of Vietnam

9 Nguyen Xuan Ba: On the global exploitation and production of bauxite, alumina and aluminium and development ori- entation of aluminium industry in Vietnam

15 Nghiem Gia: Determination of price for Thach Khe iron ore

Foundry

18 Le Ba Dung: Mould and core making

22 Pham Ba Kiem, Le Hong Son, Nguyen Anh Dat: Role of refine and modification technology for casting of copper and copper alloys

Research

28 Nguyen Van Chien, Tran Van Vu: Improved processing anode mud during Sn electrolysis for recovery of useful ele- ments Sn, Cu, As, Bi, Au,...

32 To Duy Phuong, Tran Ngoc Bach, Nguyen Phuc Hai, Le Xuan Hien, Nguyen Van Tuan: Influence of the mixture composi- tion and diluted solvent on heat resistance and surface quality of mould coating prepared from Co Dinh chromite sand

38 Truong Ngoc Than, Vu Chat Phac: Study on electrolyse of aluminium in home-made equipment

42 Le Thi Chieu, Nguyen Van Tu, Nguyen Anh Son: Nitriding for new and used extrusion dies

Environment and industrial safety

46 Nguyen Duc Khien: Cleaning of sintered waste gas Accident by liquid steel

Short stories

48 Nguyen Duc Khien: Exploitation of manganese in the sea bottom

50 The biggest kettle drum Ngoc Lu