Vol. 228 No. 02 (2023): NATURAL SCIENCES - ENGINEERING - TECHNOLOGY

NATURAL SCIENCE – ENGINEERING – TECHNOLOGY

• METHODOLOGY FOR CALCULATING LEVELIZED COST OF ENERGY OF DISTRIBUTED RENEWABLE ENERGIES SYSTEM IN VIETNAM

  Nguyen Dang Khoa, Le Thanh Vinh, Vo Ngoc Dieu

  3 - 11

  • PDF (Vietnamese)
• PHYSICAL AND CHEMICAL PROPERTIES OF BIOCHAR FROM SUGARCANE BAGASSE

  Nguyen Dat Phuong

  12 - 19

  • PDF (Vietnamese)
• THE USE OF SAWDUST AS FILLER IN THE MODIFICATION OF POLY(LACTIC ACID) BASED COMPOSITE WITH THE POTENTIAL FOR THE 3D PRINTING APPLICATIONS

  Le Duy Hung, Phung Anh Tuan, Nguyen Pham Duy Linh, Vu Minh Duc, Nguyen Thanh Liem

  20 - 28

  • PDF (Vietnamese)
• A COMPARISON OF THE GENERALIZED FOURIER SERIES AND FUNCTIONAL LINKS ARTIFICIAL NEURAL NETWORKS FOR NONLINEAR ACTIVE NOISE CONTROL SYSTEM

  Le Dinh Cong

  29 - 36

  • PDF (Vietnamese)
• USING REMOTE SENSING DATA TO CONSTRUCT LAND COVER MAPS OF CHO DON DISTRICT, BAC KAN PROVINCE

  Nguyen Thi Hong, Kieu Quoc Lap, Nguyen Thi Tuyet

  37 - 45

  • PDF (Vietnamese)
• APPLICATION OF GIS IN ANALYZING LAND USE INTENSITY CHANGES IN LONG AN PROVINCE

  Nguyen Duy Liem, Phan Le Ky Phuong

  46 - 53

  • PDF (Vietnamese)
• PRODUCTION OF COMPOSITE POLYANILINE/SiO2 FOR APPLICATION IN EPOXY COATING AND INVESTIGATE OF THE ANTICORROSION PROPERTIES FOR CT3 STEEL

  Nguyen Huu Trang, Mai Van Minh, Tran Van Bang, Nguyen Tien Nam, Trinh Thi Dao

  54 - 61

  • PDF (Vietnamese)
• A METHOD OF OBSTACLE AVOIDANCE FOR AMR ROBOT IN WAREHOUSE AUTOMATION

  Nong Minh Ngoc, Do Nang Toan, Vu Vinh Quang, Ngo Ngoc Vu

  62 - 69

  • PDF (Vietnamese)
• DYNAMIC PROGRAMMING METHOD USING FORMULATING TECHNIQUE TO SOLVE SOME TYPICAL PROBLEM IN GRAPH THEORY

  Nguyen Van Nui, Nguyen Thi Hang

  70 - 77

  • PDF (Vietnamese)
• BACKSTEPPING PI SLIDING MODE CONTROLLER APPLICATIONS BASED ON EXPONENTIAL REACHING LAW FOR TWO_TANK INTERACTING SYSTEM

  Pham Thanh Tung, Le Thanh Quang Duc, Nguyen Chi Ngon

  78 - 85

  • PDF (Vietnamese)
• CUSTOMIZATION SOLUTION FOR SCRYPT KEY DERIVATION TO IMPROVE THE SECURITY OF STORED DATA

  Nguyen Van Nghi*, Do Quang Trung, Vu Ba Linh

  86 - 93

  • PDF (Vietnamese)
• ADVERSARIAL ATTACKS INTO DEEP LEARNING MODELS USING PIXEL TRANFORMATION

  Truong Phi Ho, Hoang Thanh Nam, Tran Quang Tuan, Pham Minh Thuan, Pham Duy Trung

  94 - 102

  • PDF (Vietnamese)
• OPTIMIZATION OF THE EFFECT OF PROCESSING PARAMETERS ON SURFACE ROUGHNESS AND MATERIAL REMOVAL RATE IN CNC MILLING OF AL-7075 MATERIAL

  Tran Cong Chi, Luu Van Tuan, Nguyen Van Tuu, Tran Van Tuong

  103 - 110

  • PDF (Vietnamese)
• COMBINING ARCGIS AND GOOGLE SKETCHUP TO BUILD 3D MODELS OF THAI NGUYEN UNIVERSITY - LAO CAI CAMPUS

  Do Van Hai*, Nguyen Chi Hien, Dam Thi Hanh

  111 - 118

  • PDF (Vietnamese)
• EFFECT OF Co-DOPED ZnSe ON THE OPTICAL AND MAGNETIC PROPERTIES OF Zn1-xCoxSe NANOCRYSTALS

  Khong Cat Cuong, Le Thu Lam, Pham Ngoc Thu, Lo Ngoc Dung, Do Thi Bich, Bui Thanh Thanh, Nguyen Thi Hien, Nguyen Xuan Ca, Pham Minh Tan

  119 - 127

  • PDF (Vietnamese)
• IDENTIFICATION OF SOME TYPES OF LONGAN (THROUGH LEAVES) USING IMAGE AND DEEP LEARNING TECHNOLOGY

  Le Thi Diem, Nguyen Duc Thien, Truong Quoc Bao

  128 - 135

  • PDF (Vietnamese)
• STUDY ON DESIGN AND MANUFACTURE A SPECIALIZED VEHICLE TO COLLECT INFECTED PIG CARCASSES

  Tran Cong Chi*, Hoang Son, Nguyen Van Tuu, Hoang Ha

  136 - 143

  • PDF (Vietnamese)
• WARNING SYSTEM FOR OVERHEATED DISTRIBUTION TRANSFORMERS USING IOTS TECHNOLOGY

  Nguyen Van Khanh*, Tran Quang Vinh, Nguyen Duc Toan, Nguyen Tri Loc, Nguyen Chi Ngon

  144 - 151

  • PDF (Vietnamese)
• DYNAMICAL HETEROGENEITY IN GEO2 LIQUID: INSIGHT FROM MOLECULAR DYNAMICS SIMULATION DATAS

  Luyen Thi San*, Thidakham Nammavong, Pham Huu Kien

  152 - 158

  • PDF (Vietnamese)
• METHOD DEVELOPMENT FOR DETERMINATION OF INORGANIC IMPURITIES IN WASTEWATER FROM METHAMPHETAMINE SYNTHESIS USING INDUCTIVELY COUPLED PLASMA - MASS SPECTROMETRY (ICP-MS)

  Vu Tung Lam, Dang Thi Ngoc Lan, Nguyen Thi Thuy Linh, Pham Le Minh, Hoang Ngoc Mai, Nguyen Xuan Truong, Tran Nguyen Ha

  159 - 165

  • PDF (Vietnamese)
• SYNTHESIS OF NaX/Fe3O4 COMPOSITE AND EVALUATION OF ITS NITRATE REMOVAL

  Tran Nguyen Phuong Lan*, Ly Kim Phung, Nguyen Thanh Ty, Nguyen Minh Nhut, Tran Thi Bich Quyen, Duong Thi My Tuyen, Doan Van Hong Thien

  166 - 174

  • PDF (Vietnamese)
• CONTROL THE AIR CONDITIONING SYSTEM IN PVI BUILDING USING ANDOVER CONTINUUM SOFTWARE

  Hoang Thi Thuong, Do Thi Mai*, Nguyen Thi Thanh Binh, Nguyen Huu Bac

  175 - 183

  • PDF (Vietnamese)
• USING SECOND-ORDER CONE PROGRAMMING FOR POWER FLOW ANALYSIS CONSIDERING ZIP LOAD MODEL IN POWER DISTRIBUTION SYSTEMS

  Ha Duy Giang, Le Toan, Pham Nang Van*

  184 - 192

  • PDF (Vietnamese)
• EFFECTS OF WASTEWATER FROM PHONG KHE INDUSTRIAL CLUSTERS ON WATER QUALITY OF THE NGU HUYEN KHE RIVER, BAC NINH CITY

  Chu Thi Hoan*, Pham Thi Thu Ha A, Pham Thi Thu Ha B

  193 - 202

  • PDF (Vietnamese)
• APPLICATION OF REMOTE SENSING TECHNOLOGY TO BUILD DEM MODELS OF BINH MINH WARD, LAO CAI CITY

  Do Van Hai*, Hoang Minh Diep, Trieu Chieu Duc, Ngo Hoai Thuong

  203 - 208

  • PDF (Vietnamese)
• THIẾT KẾ HỆ THỐNG ĐIỀU KHIỂN ĐÈN XE THÔNG MINH

  Đặng Thị Loan Phượng, Lê Thị Thu Phương

  209 - 216

  • PDF (Vietnamese)
• EFFECT OF SIZE ON MAGNETIC AND OPTICAL PROPERTIES OF Fe3O4 NANOPARTICLES

  Luu Huu Nguyen, Nguyen Thi Ngoc Anh, Nguyen Thanh Huong, Do Khanh Tung, Pham Quang Ngan, Pham Hong Nam

  217 - 224

  • PDF (Vietnamese)
• ANALYZING CHEMICAL SPECIATION OF NICKEL IN TAILING AND FARMING SOILS IN A Pb/Zn MINING ZONE IN THAI NGUYEN PROVINCE

  Vuong Truong Xuan*, Nguyen Thu Huong

  225 - 233

  • PDF (Vietnamese)
• STUDY ON SITUATION OF GROUNDWATER EXPLOITATION IN TUYEN QUANG CITY, TUYEN QUANG PROVINCE

  Nguyen Thi Hong Vien*, Van Huu Tap, Vu Trong Huan, Nguyen Thu Huyen, Nguyen Thi Dong, Chu Thi Hong Huyen, Nguyen Thi Mai Linh

  234 - 242

  • PDF (Vietnamese)
• SPECIATION OF METALS AND CONTAMINATION ASSESSMENT OF Sb, Bi IN SURFACE SEDIMENTS OF THE CAU RIVER - THAI NGUYEN CITY

  Pham Thi Thu Ha

  243 - 250

  • PDF (Vietnamese)
• A SUGGESTION OF SOLUTIONS FOR CONTROLLING AND MONITORING OF ELECTRICAL EQUIPMENT IN BUILDINGS AND HOTELS EMPLOYING BMS TECHNOLOGY

  Dang Ngoc Trung

  251 - 258

  • PDF (Vietnamese)
• STUDY ON CONTAMINATION STATUS AND EXPOSURE RISK OF BROMINATED FLAME RETARDANTS (PBDE, DPDPE) IN SETTLED DUST SAMPLES COLLECTED FROM SOME AREAS IN NORTHERN VIETNAM

  Hoang Quoc Anh*, Nguyen Thi Thu Thuy, Trinh Hai Minh, Pham Dang Minh, Nguyen Le Hong Minh, Chu Thi Hue, Dang Minh Huong Giang

  259 - 266

  • PDF (Vietnamese)
• APPLICATION OF SIW TECHNOLOGY IN X-BAND BANDPASS FILTERS DESIGN

  Pham Viet Anh*, Hoang Minh Thien, Nguyen Hoang Nguyen, Tran Viet Hung, Nguyen Van Bac

  267 - 272

  • PDF (Vietnamese)
• EVALUATION OF DAILY INTAKE DOSE AND CARCINOGENIC RISK FROM Pb, As AND Cd EMISSIONS IN FLY ASH, BOTTOM ASH OF SOME WASTE INCINERATORS

  Nguyen Thi Thu Thuy*, Nguyen Thi Hue, Pham Quoc Viet, Chu Viet Hai, Vu Van Tu, Chu Thi Ha

  273 - 279

  • PDF (Vietnamese)
• RESEARCH ON THE ROLE OF GREEN SPACE IN REDUCING THE IMPACT OF URBAN HEAT ISLAND IN HANOI CITY

  Duong Thi Loi

  280 - 288

  • PDF (Vietnamese)
• FABRICATION OF pH SENSOR BASED ON EG-FET WITH SENSING ELECTRODE USING POLYPYRROLE

  Van Gia Hy, Do Ha Minh Thai, Mai Ngoc Linh*, Hoang Thi Hien, Ho Truong Giang

  289 - 294

  • PDF (Vietnamese)
• ANALYZING CHEMICAL SPECIATION AND EVALUATING POLLUTION RISK OF CHROMIUM IN SOILS IN A Pb/Zn MINING AT HICH VILLAGE, IN THAI NGUYEN PROVINCE

  Vuong Truong Xuan*, Mai Thi Van Anh

  295 - 302

  • PDF (Vietnamese)
• STUDY OF Ag AND Sn IN SURFACE SEDIMENTS OF THE CAU RIVER - THAI NGUYEN CITY: SPECIATION OF METALS AND ECOLOGICAL RISKS

  Pham Thi Thu Ha

  303 - 310

  • PDF (Vietnamese)
• DETERMINATION OF THE DEPENDENCE OF DOPPLER FREQUENCY ON MISS DISTANCE BETWEEN ARTILLERY SHELL AND TARGET WHEN USING THE RADIO PROXIMITY FUSE UTILIZING THE DOPPLER EFFECT

  Pham Xuan Quyen

  311 - 317

  • PDF (Vietnamese)
• IMPROVEMENT OF SENSITIVE CHARACTERISTICS AT ROOM TEMPERATURE OF NH3 GAS SENSOR BASED ON COMPOSITE OF NANO CARBON AND ZnO NANOPARTICLES

  Duong Vu Truong, Nguyen Quang Thanh, Nguyen Huu Lam

  318 - 326

  • PDF (Vietnamese)
• INVESTIGATION OF THE pH EFFECT OF METHYL RED ADSORBED ON SILVER NANO PLATE SQUARE TO SURFACE ENHANCED RAMAN SCATTERING

  Pham Thi Thu Ha, Nguyen Thi Loan, Vu Xuan Hoa

  327 - 334

  • PDF (Vietnamese)
• ASSESSMENT OF THE DIOXIN DEGRADABLILITY OF SOME BACTERIAL STRAINS ISOLATED FROM CONTAMINATED SOIL AT A SO AIRBASE (HUE)

  Le Minh Tri, Pham Kien Cuong, Nguyen Van Hoang, Nguyen Thi Tam Thu

  335 - 342

  • PDF (Vietnamese)
• EVALUATING THE WIND RESOURCES IN AN AREA THAT IS EQUIVALENT TO THE SIZE OF A WIND POWER PLANT: A METHODOLOGY

  Dinh Van Thin, Nguyen Huu Duc, Le Quang Sang

  343 - 351

  • PDF (Vietnamese)