Vol. 229 No. 14 (2024): NATURAL SCIENCES - ENGINEERING - TECHNOLOGY

NATURAL SCIENCE – ENGINEERING – TECHNOLOGY

• STUDY ON THE TREATMENT OF DIRECT BLUE 86 IN WATER BY MEMBRANE BIOREACTOR

  Luu Tuan Duong

  3 - 10

  • PDF (Vietnamese)
• IMPACT OF ANNEALING TEMPERATURES ON SURFACE MORPHOLOGY AND OPTICAL PROPERTIES OF REACTIVE SPUTTER DEPOSITED NiO FILMS

  Tran Bao Quan, Pham Minh Tam, Nguyen Khac Binh, Pham Hoai Phuong, Ngo Hai Dang, Pham Thi Kim Hang

  11 - 18

  • PDF (Vietnamese)
• APPLICATION OF MINIMUM PARAMETER LEARNING METHOD AND ARTIFICIAL NEURAL NETWORK FOR MANIPULATOR CONTROL

  Nguyen Truong Ky, Pham Thanh Tung

  19 - 26

  • PDF (Vietnamese)
• APPLICATION OF FUZZY LOGIC AND A QUASI-SLIDING MODE FOR A DOUBLY FED INDUCTION GENERATOR

  Ly Nhat Minh, Pham Thanh Tung

  27 - 34

  • PDF (Vietnamese)
• q-DIFFERENCE ANALOGUE OF THE LEMMA ON THE LOGARITHMIC DERIVATIVE AND SOME APPLICATIONS

  Pham Thi Thuy*, Trinh Thi Diep Linh

  35 - 42

  • PDF (Vietnamese)
• APPLICATION OF A 3-AXIS ROBOT ARM COMBINED WITH A CAMERA SUPPORTS AUTOMATIC WELD DATA COLLECTION

  Nguyen Duc Tai, Nguyen Hoang Dung

  43 - 51

  • PDF (Vietnamese)
• STRUCTURE AND MAGNETIC PROPERTIES OF Fe3O4/CoFe2O4 COMPOSITES NANOPARTICLES SYSTEMS

  Le Thi Hong Phong*, Nguyen Thi Ngoc Anh, Pham Hong Nam, Do Hung Manh

  52 - 59

  • PDF (Vietnamese)
• CONTROL AND MONITOR AUTOMATIC POWER CONVERTER USING IOT VBOX

  Bui Tuan Anh, Hoang Thi Hai Yen, Nguyen Thi Thanh Binh

  60 -66

  • PDF (Vietnamese)
• INVESTIGATION OF THE BIOMEDICAL PROPERTIES OF SrTiO3:Er3+/ Yb3+ THIN FILMS ON TITANIUM FOR BIOMEDICAL IMPLANT APPLICATIONS

  Nguyen Thi Thanh Tuyen, Nguyen Thi Mai Anh, Le Tien Ha, Ta Quoc Tuan, Tran Van Huong, Pham Hung Vuong

  67 -72

  • PDF (Vietnamese)
• SYNTHESIS, CHARACTERIZATION OF OPTICAL AND BIOMEDICAL PROPERTIES OF NANO ZnTiO3:Er3+/Yb3+ COATING ON TITANIUM BY HYDROTHERMAL METHOD

  Nguyen Thi Thanh Tuyen, Lo Thi Thuy Linh, Nguyen Duc Hung, Le Tien Ha, Pham Hung Vuong

  73 - 79

  • PDF (Vietnamese)
• COMPARISON AND SELECTION OF A3 AND Z3 PARALLEL ROBOT STYLE SUPPORT STRUCTURES TO EXPAND THE TECHNOLOGICAL CAPABILITIES OF MILLING MACHINE

  Nguyen Thi Trang Nhung*, Pham Thanh Long

  80 - 86

  • PDF (Vietnamese)
• OPTIMIZED DESIGN OF PKM STRUCTURE FOR APPLICATION ON HYBRID MACHINE TOOLS

  Le Huu Hung*, Pham Thanh Long

  87 - 94

  • PDF (Vietnamese)
• CALCULATION OF GRID ROOFTOP SOLAR POWER SYSTEM ACCORDING TO ELECTRICAL LOAD DEMAND, SIMULATION COMPARISON WITH THE CASE IN CORRECTING ONE-AXIS TRACKING

  Pham Thi Hang, Lai Minh Hoc

  95 - 102

  • PDF (Vietnamese)
• A COMPREHENSIVE STUDY OF PATH PLANNING TECHNIQUES FOR MULTIROTOR AERIAL VEHICLES (MAVs) BASED ON MODEL PREDICTIVE CONTROL

  Tran Le Thang Dong, Tran Thuan Hoang, Nguyen Huu Cong, Nguyen Thanh Ha, Nguyen Tuan Minh

  103 - 116

  • PDF (Vietnamese)
• A COMPARISON OF LINEAR LOAD FLOW MODELS FOR 39-BUS NEW ENGLAND TRANSMISSION SYSTEM

  Nguyen Duy Duc, Vo Trong Sang, Pham Nang Van

  117 - 128

  • PDF (Vietnamese)
• THE EFFECT OF FERTILIZER REGIME ON SOIL HEALTH FOR GROWING TEA IN HOA LAC - THACH THAT, HANOI

  Vu Dinh Tuan, Doan Ngoc Bao, Pham Anh Hung, Pham Hung Son, Nguyen Manh Khai, Tran Thien Cuong, Tran Thi Minh Hang, Pham Thi Viet Anh, Pham Thi Thu Ha

  129 - 134

  • PDF (Vietnamese)
• NEWTON METHOD BASED ON A WIRTINGER’S CALCULUS FORMULATION FOR THE LOAD FLOW IN POWER DISTRIBUTION GRIDS INTEGRATED TIME-VARYING ZIP LOAD: A CASE STUDY IN VIETNAM

  Dao Long Vu, Do Thao Vi, Do Minh Hong, Pham Nang Van

  135 - 143

  • PDF (Vietnamese)
• SYNTHESIS AND OPTICAL PROPERTIES OF HYDROXYAPATITE MATERIAL (HA):Er, Yb ORIENTED TOWARDS APPLICATIONS IN OPTOELECTRONICS AND BIOMEDICINE

  Hoang Nhu Van, Nguyen Thi Lan, Le Tien Ha, Pham Hung Vuong

  144 - 150

  • PDF (Vietnamese)
• STUDY OF CONTROL OPTIONS FOR H-BRIDGE INVERTER SWITCHING IN SvPWM MODE WITH SINGLE-PHASE AC LOAD

  Le Duc Tiep, Nguyen Thi Thu Huong*, Nguyen Tien Ngu

  151 - 158

  • PDF (Vietnamese)
• SYNTHESIS AND EVALUATION OF RHODAMINE B ADSORPTION CAPACITY OF ALUMINUM TEREPHTHALATE METAL-ORGANIC FRAMEWORK MATERIAL

  Pham Dinh Du

  159 - 166

  • PDF (Vietnamese)
• FABRICATION AND SURVEY OF CHARACTERISTICS OF FLEXIBLE TRANSPARENT CONDUCTIVE ELECTRODE BASED ON COPPER NANO WIRE

  Nguyen Thi Hong Nhung, Nguyen Duy Cuong

  167 - 174

  • PDF (Vietnamese)
• STUDY OF LINEARLY CONSTRAINED LMS FILTER FOR CANCELLING NOISE IN RADAR SIGNAL PROCESSING

  Mac Quoc Khanh

  175 - 183

  • PDF (Vietnamese)
• A METHOD TRACKING MOBILE ROBOT INDOOR ENVIRONMENT USING CEILING CAMERA USING YOLOv9

  Luu Trong Hieu*, Nguyen Tan Dung

  184 - 191

  • PDF (Vietnamese)
• SIMULTANEOUS QUANTITATIVE DETERMINATION OF HYDROCHLOROTHIAZIDE AND IRBESARTAN BY HIGH PERFORMANCE LIQUID CHROMATOGRAPHY

  Doan Phu Quy*, Le Thi Thu Cuc, Nguyen Dang Khoa, Nguyen Nhat Thanh

  192 - 198

  • PDF (Vietnamese)
• FABRICATION AND STUDY OF THE OPTICAL PROPERTIES OF Eu3+-DOPED ZnSe SEMICONDUCTOR QUANTUM DOTS, APPLICATION IN LIGHTING

  Nguyen Thi Minh Thuy

  199 - 205

  • PDF (Vietnamese)
• KINETIC DETERMINATION OF PYROLYSIS OF PLASTIC-STRAW DERIVED PELETS BY TG-DTG

  Nguyen Huy Hoang, Hua Van Hai, Nguyen Danh Ngon, Ho Truong Giang

  206 - 213

  • PDF (Vietnamese)
• ENHANCING TRANSFER EFFICIENCY IN MAGNETIC WAVEGUIDES USING METAMATERIAL-BASED WIRELESS POWER TRANSFER

  Bui Huu Nguyen, Le Dac Tuyen, Tong Ba Tuan, Nguyen Thi Dieu Thu, Ho Quynh Anh, Pham Thanh Son, Ngo Nhu Viet, Vu Thi Hong Hanh, Bui Son Tung, Vu Dinh Lam, Bui Xuan Khuyen

  214 - 221

  • PDF (Vietnamese)
• AUTOMATIC RADAR SIGNAL RECOGNITION USING THE ANALYTIC WAVELET TRANSFORM AND ALEXNET

  Vu Xuan Tung

  222 - 230

  • PDF (Vietnamese)
• RESEARCH AND DESIGN OF CIRCUIT FOR GENERATION OF TRANSMITTING SIGNAL FOR GROUND PENETRATING RADAR

  Pham Viet Anh, Pham Cao Dai, Dao Ngoc Long, Nguyen Hoang Nguyen, Nguyen Van Nhan

  231 - 240

  • PDF (Vietnamese)
• RESEARCH ON THE DESIGN OF HARD WATER TREATMENT SYSTEMS AND SCALE RECOVERY USING HIGH-FREQUENCY WAVES, APPLICATION IN INDUSTRIAL COOLING SYSTEMS USING OPEN CIRCULATION WATER

  Phan Van Tu, Nguyen Duc Hung, Nguyen Van Tuan

  241 - 248

  • PDF (Vietnamese)
• EVALUATION OF THE APPLICABILITY OF GAMMA IRRADIATION IN PRESERVING 3D-PRINTED LETTUCE INK

  Le Thi Thu Thuy, Tran Thi Ngoc Mai, Vu Ngoc Bich Dao, Pham Ho Thuat Khoa, Nguyen Thi Huynh Nga, Nguyen Minh Hiep

  249 - 256

  • PDF (Vietnamese)
• CURCUMIN DRUG RELEASING OF CaTiO3 FILM ON Ti FOR POTENTIAL APPLICATION IN BIOMEDICINE

  Nguyen Thi Thanh Tuyen, Nguyen Duy Hung, Le Tien Ha, Vu Dan Vy, Pham Hung Vuong

  257 - 262

  • PDF (Vietnamese)
• STUDY ON MANUFACTURING PANi/SUGARCANE BAGASSE COMPOSITE FOR AMMONIUM ADSORPTION IN AQUEOUS SOLUTION

  Nguyen Thi Phuong Anh, Pham Quang Huy, Nguyen Thi Ngoc Anh, Dinh Thuy Linh, Do Thuy Tien

  263 - 270

  • PDF (Vietnamese)
• PREDICTION OF CHEMICAL COMPONENTS THAT AFFECT THE MOSQUITO-REPELLENT ABILITY OF ESSENTIAL OILS USING MULTIPLE LINEAR REGRESSION TECHNIQUES

  Nguyen Thi Minh Nguyet, Nguyen Thi Minh Xuan

  271 - 279

  • PDF (Vietnamese)
• ENHANCING INVESTMENT EFFICIENCY IN WIND FARM EXPANSION UNDER MARKET COMPETITION WITH CONSIDERATION OF UNCERTAINTY

  Dinh Ngoc Sang, Nguyen Tung Linh, Truong Viet Anh

  280 - 288

  • PDF (Vietnamese)
• DAY-AHEAD UNIT COMMITMENT MODEL CONSIDERING CO2 EMISSION CONSTRAINT FOR MICROGRIDS

  Nguyen Hoai Nam, Tran Duc Hien, Pham Nang Van

  289 - 299

  • PDF (Vietnamese)
• EFFECT OF Eu3+ ION DOPING CONCENTRATION ON THE STRUCTURE AND OPTICAL PROPERTIES OF LSTO FLUORESCENT POWDERS PREPARED BY SOLID-STATE REACTION METHOD

  Tran Quoc Xuan, Le Thi Phuong, Tran Thi Thu Trang, Le Tien Ha

  300 - 306

  • PDF (Vietnamese)
• INFLUENCE OF SURFACE MODIFICATION ON ROUGHNESS AND WETTABILITY OF TITANIUM FOR POTENTIAL APPLICATIONS IN BIOMEDICINE

  Pham Hong Trang, Nguyen Duc Hung, Hoang Van Vuong, Cao Hong Ha, Pham Hung Vuong

  307 - 313

  • PDF (Vietnamese)
• CHARACTERISTICS OF NANOCOMPOSITE MATERIAL ZrO2@GO:Bi3+ SYTHESIZED BY HYDROTHERMAL ULTRASONIC ASSISTED METHOD

  Nguyen Thi anh Tuyet, Chu Manh Nhuong, Nguyen Ngoc an, Nguyen Minh Anh, Nguyen Thi Hoai Thanh, Nguyen Ngoc Mai

  314 - 320

  • PDF (Vietnamese)
• UTILIZING THE BY-PRODUCT OF THE SOURSOP WINEMAKING PROCESS TO MAKE GUMMY CANDY

  Doan Thi Kieu Tien , Tran Thi Thuy Linh, Nguyen Thi Thien Kim, Doan Hai Dang, Huynh Thi Ngoc Mi

  321 - 330

  • PDF (Vietnamese)
• FLEXIBLE BROADBAND METAMATERIAL ABSORBER BASED ON MULTILAYER STRUCTURE IN GHz FREQUENCY RANGE

  Do Thuy Chi, Duong Thi Ha, Bui Xuan Khuyen, Bui Son Tung, Ngo Nhu Viet, Vu Thi Hong Hanh, Vu Dinh Lam

  331 - 338

  • PDF (Vietnamese)
• CFD ANALYSIS OF SLOSHING IN THE WATER TANK OF FOREST FIRE TRUCK DURING EMERGENCY BRAKING

  Tran Cong Chi

  339 - 246

  • PDF (Vietnamese)
• THE IMPACT OF PULSED LIGHT ON THE INACTIVATION OF ENTEROCOCCUS FAECALIS V583 IN TWO DIFFERENT GROWTH PHASES

  Nguyen Bao Loc, Nguyen Thi Ngoc De, Chau Minh Tan, Nguyen Nhat Minh Phuong

  247 - 255

  • PDF (Vietnamese)
• COMPARISON OF THE EFFECTIVENESS OF MICROCONTROLLERS IN THE APPLICATION OF DC MOTOR SPEED CONTROL USING NON-SINGULAR TERMINAL SLIDING MODEQ

  Nguyen Tan No, Mai Nhat Thien

  256 - 261

  • PDF (Vietnamese)
• EXPERIMENTAL MULTI-LEVEL CONVERTER MMC WITH PS-PWM MODULATION USING SAME PHASE AND SAME FREQUENCY CARRIERS

  Tran Hung Cuong

  362 - 369

  • PDF (Vietnamese)