No. 6 (2023): Năm thứ XXXII

View No. 6 (2023): Năm thứ XXXII

Published: 2024-07-04

MINING

Research on optimal open-pit mining boundary selection for Ta Phoi Copper mine from a circular economy perspective

Le Duc Phuong, Phi Trung Kien, Pham Xuan Trang, Dang Ngoc Thanh

4-10

UNDERGROUND AND MINING CONSTRUCTION

Research on treatment of heaving floor in main roadways by using pre-cast reinforced concrete beam at Vinacomin- Vang Danh Coal Joint Stock Company

Tran Van Thuc, La Thanh Thuong

11-14

MINERAL BENEFICIATION AND PROCESSING

Preliminary research on recovery of alum and iron (III) oxide from red mud of Vinacomin - Đak Nong Aluminum Company

Nguyen Ba Phong, Pham Thanh Hai

15-23
Flotation upgrading total rare earth oxides from roasted bastnaesite concentrate

Trinh Nguyen Quynh, Bui Ba Duy, Truong Thi Ai, Ngo Quang Huy, Nguyen Hong Ha, Tran Van Son, Duong Van Su

24-31

MECHANICAL ENGINEERING, ELECTRICITY- ELECTRONICS - AUTOMATION

Research on structure and dynamics calculation of the trailer bogie of the CRH2 high-speed train

Mai Van Tham, Nguyen Trung Hieu

32-38
Phase loss protection for three-phase asynchronous electric motors based on the principle of pulsation current lost

Dinh Van Thang

39-43
Research on the establishment of a control system for mine locomotives by the method of impulse chopping

Kim Ngoc Linh, Nguyen Thac Khanh, Nguyen Tien Sy, Nguyen Truong Giang, Kim Thi Cam Anh

44-50

VENTILATION, SAFETY AND ENVIRONMENTAL PROTECTION

Estimate ambient temperature bin data and validation of methology for cities in Vietnam

Luong Xuan Hung, Mao Jun

51-57
Some environmental issues in Cam Thuy 1 hydropower reservoir area, Cam Thuy district, Thanh Hoa province

Do Van Binh, Do Thi Hai, Tran Thi Kim Ha

59-65

GEOMECHANICS, GEOMATICS, GEOLOGY, GEODESY

Coal resource potential and orientation for exploration work below -300 m in the Hon Gai - Cam Pha area

Nguyen Hoang Huan, Nguyen Tien Dung, Tran Van Mien

66-75

OIL AND GAS INDUSTRY

Initial implementation of some circular economy models at Vietnam National Oil and Gas group

Nguyen Huu Luong, Nguyen Hong Minh

76-80