No. 5 (2024): Năm thứ XXXIII

View No. 5 (2024): Năm thứ XXXIII

Published: 2025-04-09

MINING

Researching on technology solutions to support and maintain to reuse haulage roadway as a ventilation one in longwall mining system

Ngan Tuan Tran, Du Duc Truong, Nguyen Trung Pham, Minh Khanh Pham, Duong Quang Luu

4-11

UNDERGROUND AND MINING CONSTRUCTION

Research on selection of steel resisting step for roaway below the waste dump by numerical method

Sa Huu Nguyen, Doan Viet Dao

15-20

MINERAL BENEFICIATION AND PROCESSING

Research on some major factors affecting Ni and Sc extractions in the sulphuric acid stirred leaching of limonite ore

Quynh Nguyen Trinh, Hung Trong Nguyen, Duy Ba Bui, Trần Văn Sơn, Ai Thi Truong, Ha Hong Nguyen, Anh Tuyet Thi Do, Minh Duy Cao, Huy Quang Ngo, Huy Quang Chu, Thu Ha Thi Nguyen, Thuy Uyen Thi Bui

21-26
About recycling methods and reuses of mineral industry wastes

Luan Van Pham, Ha Le Viet

27-40

MECHANICAL ENGINEERING, ELECTRICITY- ELECTRONICS - AUTOMATION

Studying methods to improve drive wheel operation efficiency in the supporting system for mine tunnel construction

Linh Khac Nguyen, Thang Hong Thi Le, Dinh Vu Dang

41-47
Esting the starting and rescue ability of metro trains on the Cat Linh - Ha Dong line on the ruling gradient

Thanh Cong Kieu, Tuan Duc Do, Toan Duc Nguyen

48-63
Research and development of a programmable assumed load unit for testing insulation resistance of mine networks with isolated neutral

Chuc Thi Ha, Sy Tien Nguyen, Anh Cam Thi Kim, Anh Ngoc Tong

64-71

VENTILATION, SAFETY AND ENVIRONMENTAL PROTECTION

Combination of mine reclamation and forest economy development in coal mines waste dump- Its reality and potentiality in Quang Ninh coal area

Dung Manh Do, Mien Tran, Kien Van Giap

72-84

ECONOMICS, MANAGEMENT

Corporate finance analysis – Applied at Vietnam National Coal and Mineral Industries Holding Corporation Ltd

Chinh Nguyen Tien

85-94