Vol. 228 No. 06 (2023): NATURAL SCIENCES - ENGINEERING - TECHNOLOGY

NATURAL SCIENCE – ENGINEERING – TECHNOLOGY

• ENERGY STORAGE PERFORMANCE OF La-DOPED PZT RELAXOR-FERROELECTRIC THIN FILMS FABRICATED BY SOL-GEL PROCESS

  Dang Thi Ha

  3 - 10

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• EXPERIMENTAL RESEARCH ON EFFECT OF TECHNOLOGY PARAMETERS ON VIBRATION DURING MILLING SKD11 STEEL

  Mac Thi Bich, Luyen The Thanh

  11 - 18

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• CHEMICAL FRACTION ANALYSIS AND ASSESSMENT OF ASERNIC IN SOILS SAMPLED IN A Pb/Zn MINING AT HICH VILLAGE IN THAI NGUYEN PROVINCE

  Vuong Truong Xuan*, Nguyen Thi Thu Thuy

  19 - 27

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• APPLICATION OF MULTI-CRITERIA DECISION MAKING TECHNIQUE IN WIRE-EDM FOR 90CrSI TOOL STEEL BY MARCOS METHOD

  Nguyen Dinh Man, Le Xuan Hung

  34 - 40

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• STUDY OF PHOTOINDUCED PROCESSES OF A DYAD BDP-C60 UNDER EXCITED BOTH ITS DONOR AND ACCEPTOR MOIETIES

  Tran Thu Trang

  34 - 40

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• SYNTHESIS OF OPTIMAL ADAPTIVE CONTROL SYSTEMS FOR A CLASS OF MIMO LINEAR WITH VARIABLE PARAMETERS SYSTEMS UNDER EXOGENOUS DISTURBANCE

  Ngo Tri Nam Cuong*, Le Van Chuong, Ta Hung Cuong, Phung Thi Thanh

  41 - 48

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• A MINI REVIEW ON THE APPLICATION OF OZONE TECHNOLOGY TO TREAT TEXTILE DYEING WASTEWATER

  Hoang Van Hung, Van Huu Tap, Luu Thi Cuc, Nguyen Hoang, Nguyen Thi Ngoc Ha

  49 - 60

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• A NEW ITERATIVE METHOD FOR SOLVING PSEUDOMONOTONE VARIATIONAL INEQUALITIES

  Dang Hong Linh, Nguyen Tat Thang

  61 - 68

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• RESEARCHING THE ABILITY TO TREAT AMMONIUM IN WASTEWATER IN PIG FARM BY MAGNESIUM PRECIPITATION METHOD (MAP)

  Vu Thi Thuy Trang

  69 - 76

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• LOCATING THE BURIED OBJECT USING UWB SYSTEM WITH HILBERT TRANSFORM AND THE LEAST SQUARE CURVE FITTING ALGORITHM

  Duong Duc Ha, Nguyen Thi Huyen, Bui Quoc Doanh, Phan Trong Hanh

  77 - 84

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• ANALYSIS OF FREE AND FORCED VIBRATIONS IN THE TWO-STOREY BUILDING FRAME WITH CRACKS

  Duong The Hung

  85 - 92

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• RESEARCH AND APPLICATION OF BALANCED TRUNCATION ALGORITHM TO REDUCE ORDER FOR ROBUST CONTROLLER OF SYNCHRONOUS GENERATOR LOAD ANGLE

  Vu Thi Oanh, Nguyen Thanh Tung, Vu Dinh Thanh

  93 - 99

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• EFFECT OF REINFORCING STEEL FIBER LENGTH ON COMPRESSIVE STRENGTH OF CONCRETE USING RECYCLED COARSE AGGREGATES

  Ngo Quoc Vu, Phan Van Tien

  100 - 107

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• EMPIRICAL EVALUATION OF HIGH-SPEED MACHINING AND HEATING SUPPORT ON CUTTING TOOL WEAR AND SURFACE ROUGHNESS DURING PROCESSING OF HEAT-TREATED SKD61 STEEL

  Tran Phap Dong, Nguyen Duc Toan

  108 - 117

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• RESEARCH AND APPLICATION OF THE OPTIMAL HANKEL NORM APPROXIMATION ALGORITHM FOR REDUCING THE ORDER OF HIGH-ORDER MIMO SYSTEMS

  Nguyen Thi Thu Hien, Nguyen Thanh Tung, Nguyen Thuy Dung

  118 - 125

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• A NOTE ON UNIQUENESS PROBLEM FOR HOLOMORPHIC CURVES WITH HYPERSURFACES

  Ha Tran Phuong, Nguyen Thi Ngan

  126 - 132

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• BAMBOO BIOCHAR APPLICATION MITIGATES CH4 AND N2O EMISSIONS FROM A RICE PADDY

  Pham Ngoc Thoa, Tang Le Hoai Ngan

  133 - 142

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