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Mining Industry Journal

Issue 2 [04 - 2022], Year XXXI

QR Code - Online: Issue 2 [04 - 2022], Year XXXI

01. Application of numerical simulation in determining pressure to create mail crack between blastholes in presplitting blasting at Sin Quyen copper mine

Hoa Van Pham, Viet Van Pham, Bao Dinh Tran, An Dinh Nguyen, Tien Dinh

87

02. Reseach effects of anchor bonding section length on its axial displacement and force

Doan Viet Dao

94

03. Stabilization of deep roadways in weak rocks using the system of two-level rock bolts

Minh Tuan Tran, Thai Ngoc Do, Thanh Trung Dang, Phong Duyen Nguyen

101

04. The flotation of inherently hydrophobic graphite in electrolyte solution

Dung Kim Thi Nhu, Duoc Van Tran

80

05. Single-phase earth fault protection in high voltage network by comparison of zero sequence current vectors and warning signal

Thang Van Dinh

72

06. Aplication of the finite element method to design of electro-magnet used in mining electrical equipment

Y Nhu Do

83

07. The causes of water cracking phenomenon in the face and prevention solutions when coal seam exploitation under the open pit mine area which has finished exploitation

Tien Trung Vu

76

08. Research on establishment of installation technology and efficiency assessment of wet-type deduster in driving roadway at Vang Danh coal mine

Chi Van Dao, Dung Tien Le, Linh Van Do

78

09. Assessment the current status of environmental quality and propose the environmental management solutions for vinacomin -Ha Tu coal joint stock Company

Thuy Thanh Thi Tran, Hoa Mai Nguyen, Huy Khanh Pham

74

10. Research on the application of satellite images to supplement and update the depth for nautical chart of the coastal area of Viet Nam

Phong Van Duong, Quang Ngoc Pham

84

11. Research to determine the relationship between coal mining activities and land cover changes in the cam pha area by geospatial techniques

Ha Thu Thi Le

104

12. Application of microsoft excel data analysis tool for analyzing Viet Nam’s coal prices

Ngoc Bich Thi Nguyen, Bich Thi Dong

91

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