Vol. 15 No. 01 (2020)

ARTICLES

• SYNTHESIS OF UREA-HYDROGEN PEROXIDE AND ITS APPLICATION FOR PREPARING THIOSULFINATE

  Pham Xuan Thao, Le Van Hoa, Pham Van Khoe, Bui Thuy Trang, Pham Minh Tuan, Cao Hai Thuong

  5

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• CONTOUR DESIGN FOR SOLID-PROPELLANT ROCKET-ENGINE NOZZLE

  Nguyen Minh Phu, Nguyen Thanh Hai, Vo Van Bien

  13

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• DETERMINATION OF THE WATER-RESISTANCE FORCE ACTING ON THE BOLT CARRIER ASSEMBLY IN THE AMPHIBIOUS RIFLE

  Nguyen Van Hung, Dao Van Doan

  23

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• CALCULATING THE AERODYNAMIC CHARACTERISTICS OF THE MAIN ROTOR IN CONSIDERATION OF THE INFLUENCE OF THE HELICOPTER FUSELAGE BY CFD METHOD

  Pham Thanh Dong, Dang Ngoc Thanh, Pham Vu Uy

  34

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• NONLINEAR CONTROL OF A TRI-ROTOR BASED ON THE DECOMPOSITION THE DYNAMIC MODEL AND FEEDBACK LINEARIZATION

  Dang Van Thanh, Tran Duc Thuan, Hoang Quang Chinh, Nguyen Cong Toan

  43

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• LINEAR GROUP PRECODING FOR MASSIVE MIMO SYSTEMS UNDER EXPONENTIAL SPATIAL CORRELATION

  Dinh Van Khoi, Le Minh Tuan, Ngo Vu Duc, Ta Chi Hieu

  56

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• DETERMINING NODE DENSITY TO GUARANTEE AVERAGE LATENCY IN DUTY-CYCLED WIRELESS SENSOR NETWORKS

  Dao Thi Nga, Bui Minh Tin, Truong Anh Dung

  72

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• FINITE TIME TRAJECTORY TRACKING CONTROL OF A QUADROTOR BASED ON ARTIFICIAL NEURAL NETWORK

  To Xuan Dinh, Kyoung Kwan Ahn, Nguyen Thanh Tien

  85

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