No. 1 (2025): Năm thứ XXXIV

View No. 1 (2025): Năm thứ XXXIV

Published: 2025-05-13

MINING

Discussion on solutions to reduction of rock mass stress around coal seam roadway in Quang Ninh underground mines

Hung Pham Duc, Quan Van Pham, Duy Van Than

5-13
Application of PFC2D numerical simulation analysis to determine reasonable slope angle of diagonal longwall supported by soft supports

Ngoc Van Ngo, Dong Wang

14-20

UNDERGROUND AND MINING CONSTRUCTION

Using simulation tools to assess the impact of construction equipment breakdown on small cross section tunneling advance rate by drilling and blasting

Tinh Tien Nguyen, Quan Chu Cao

21-29

MINERAL BENEFICIATION AND PROCESSING

Overview of new flotation equipment worldwide and application prospects in Vietnam

Dung Kim Thi Nhu

30-41
Technological solution for recovering apatite from tails of Bac Nhac Son apatite processing plant on column flotation equipment Eriez, Canada

Phong Duc Pham, Hien Thi Tran, Phuc Thanh Thi Tran

42-49

MECHANICAL ENGINEERING, ELECTRICITY- ELECTRONICS - AUTOMATION

Nghiên cứu tính toán nam châm điện của máy hút sắt sử dụng cho băng tải

Minh Ngoc Tran, Hanh Duc Nguyen, Huan Duc Tran

50-56
Control by frequency converter for electric drive systems to improve the efficiency of electricity use and optimization of technological lines in underground coal mines

Son Trung Pham, Tien Dinh Nguyen

57-63
Research on application of deep learning technique with long short term memory model in the monitoring and forecasting system of coal spontaneous combustion temperature in underground mines

Vinh The Nguyen, Dương Thuy Le Nguyen, Dong Xuan Nguyen, Kien Hung Nguyen, Dung Danh Nguyen, Duong Hai Tran

64-71

ECONOMICS, MANAGEMENT

Some challenges in implementing the National energy master plan – Referring to experiences from APEC countries

Huy Quoc Phung

72-79