Vol. 230 No. 14 (2025)

NATURAL SCIENCE – ENGINEERING – TECHNOLOGY

• COMPARISON OF DEEP HOLE DRILLING PERFORMANCE ON SUS 304 USING ROTATING AND NON-ROTATING DRILL BITS UNDER REDUCED QUANTITY NANO-LUBRICATION CONDITIONS

  Mai Thị Thu Hà, Nguyễn Văn Dự, Hồ Ký Thanh

  37 - 44

  • PDF (Vietnamese)

• THE INFLUENCE OF SYNTHESIS CONDITIONS ON THE OPTICAL PROPERTIES OF CdTe QUANTUM DOTS

  Phạm Thị Thủy, Nguyễn Thị Ngọc Huệ, Trần Thị Kim Chi

  54 - 60

  • PDF (Vietnamese)

• APPLICATION OF ULTRA-WIDEBAND TECHNOLOGY IN THE DESIGN AND FABRICATION OF AN AUTONOMOUS OBJECT-FOLLOWING VEHICLE

  Trần Xuân Trọng, Lê Thị Thu Huyền

  325 - 331

  • PDF (Vietnamese)

• IMPROVING THE COPPER NANOWIRE FILTERING PROCESS BY ADDING A PHASE SEPARATION FILTRATION STEP

  Nguyễn Thị Hồng Nhung, Nguyễn Thị Lan, Nguyễn Duy Cường

  233 - 240

  • PDF (Vietnamese)

• DEVELOPMENT AND EVALUATION OF A DRFM SIMULATION SYSTEM ON AN SDR PLATFORM USING HACKRF ONE FOR THE 1–1000 MHZ FREQUENCY RANGE

  Bùi Đức Chinh, Dương Văn Minh, Phạm Trọng Hùng, Trần Đức Anh, Hà Thành Đạt

  72 - 79

  • PDF (Vietnamese)

• STUDY ON THE ESSENTIAL OIL COMPOSITION OF ALPINIA GALANGA (L.) WILLD FROM DINH HOA, THAI NGUYEN USING GC–MS

  Nguyễn Thị Mỹ Ninh

  111 - 116

  • PDF (Vietnamese)

• BIRTH - DEATH PROCESSES: FUNDAMENTAL PROPERTIES AND THEIR APPLICATIONS

  Nông Quỳnh Vân

  256 - 265

  • PDF (Vietnamese)

• PROCESSING ORGANIC SOLID WASTE INTO ORGANIC FERTILIZER USING CONTINUOUSLY OPERATING EQUIPMENT

  Đặng Thi Hồng Phương, Văn Hữu Tập

  177 - 184

  • PDF (Vietnamese)

• STUDY ON THE SKINBRIGHTENING AND ANTIOXIDANT ACTIVITIES OF EXTRACT FROM THE HUSK OF CASTANEA MOLLISSIMA BLUME IN VIETNAM

  Đàm Thị Bích Hạnh, Vũ Thị Thu Lê, Đỗ Tiến Lâm, Đỗ Văn Huy, Ngũ Trường Nhân

  117 - 122

  • PDF (Vietnamese)

• DESIGN AND ANALYSIS OF A METAMATERIAL-BASED FILTER FOR CO₂ SENSING

  Nguyễn Phồn Hai, Đỗ Khánh Tùng, Bùi Sơn Tùng, Nguyễn Thanh Tùng, Bùi Thị Hoa, Vũ Thị Hồng Hạnh, Đỗ Thùy Chi, Vũ Đình Lãm, Hồ Trường Giang, Phạm Đình Tuân, Bùi Xuân Khuyến

  193 - 200

  • PDF (Vietnamese)

• MODELING AND SIMULATION OF QUADRUPED ROBOT LOCOMOTION

  Nguyễn Tiến Hưng, Nguyễn Đức Mùi

  225 - 232

  • PDF

• A SIMPLE APPROACH IN BALANCING SLIDER-CRANK MECHANISM APPLIED TO MACHINE DESIGN

  Phạm Văn Hiệp, Nguyễn Công Hồng Phong

  347 - 352

  • PDF (Vietnamese)

• APPLICATION OF REED (Phragmites australis) IN TREATING HEAVY METAL CONTAMINATED SOIL IN TU LE LEAD-ZINC MINE, TU LE COMMUNE, LAO CAI PROVINCE, VIETNAM

  Trần Thị Phả, Đàm Xuân Vận

  218 - 224

  • PDF (Vietnamese)

• SYNTHESIS AND CHARACTERIZATION OF P2-Na1.0Li0.15Mn0.8Ni0.2O2 MATERIAL FOR CATHODE IN SODIUM-ION BATTERIES

  Nguyễn Văn Nghĩa, Nguyễn Văn Kỳ, Vũ Đình Lãm, Nguyễn Thị Thu Hòa

  369 - 376

  • PDF

• STUDY ON THE FABRICATION OF TT10K8 CEMENTED CARBIDES BY POWDER METALLUGRY

  Vũ Lai Hoàng

  201 - 210

  • PDF (Vietnamese)

• A PYTHON-BASED SIMULATION AND EMBEDDED IMPLEMENTATION OF SPACEVECTOR PULSE WIDTH MODULATION ON STM32 CONTROLLERS

  Nguyễn Tiến Hưng

  361 - 368

  • PDF

• SIMULATION OF MATERIALS FOR CEMENT PLANT USING MATLAB

  Hà Thị Thịnh, Nguyễn Thị Kha

  459 - 466

  • PDF (Vietnamese)

• REMOTE CONTROL AND MONITORING OF HEDY 71 INVERTER-THREE PHASE ASYNCHORONOUS MOTOR USING IOT VBOX

  Nguyễn Ngọc Ánh, Hoàng Thị Hải Yến, Bùi Tuấn Anh

  283 - 290

  • PDF (Vietnamese)

• TREATMENT OF WASTEWATER FROM NOODLE PRODUCTION USING EMIC MICROBIAL INOCULUM

  Lưu Minh Loan

  475 - 482

  • PDF (Vietnamese)

• SELF-HEALING CEMENT MORTAR BASED ON UREA-FORMALDEHYDE/EPOXY CAPSULES

  Võ Trung Kiên, Huỳnh Đăng Huỳnh, Hồ Viết Thắng

  401 - 408

  • PDF (Vietnamese)

• ADAPTIVE SLIDING MODE CONTROL OF A 5-DOF MANIPULATOR ON A FIREFIGHTING ROBOT FOR DOOR-OPENING TASKS

  Trần Quỳnh Trang, Nguyễn Phạm Thục Anh

  417 - 424

  • PDF (Vietnamese)

• RESEARCH ON THE ADSORPTION ABILITY OF DIRECT RED 79 DYE OF ADSORPTOR MATERIALS MADE FROM SNAIL SHELL

  Nguyễn Thị Ánh Tuyết, Vũ Thị Hậu

  61 - 71

  • PDF (Vietnamese)

• DEVELOPMENT OF ANTIBACTERIAL HYDROGEL MEMBRANES FROM PVA AND CHITOSAN INCORPORATED WITH ETHANOL EXTRACT OF CATUNAREGAM SPINOSA LEAVES

  Tạ Ngọc Ly, Ngô Quyết Nghị

  317 - 324

  • PDF (Vietnamese)

• TIME-OPTIMAL ROUTING IN DYNAMIC ENVIRONMENTS WITH SOFT OBSTACLES: A GEOMETRIC-OPTICS APPROACH

  Phạm Thị Liên, Trần Tuấn Việt, Dương Thị Quy

  131 - 137

  • PDF (Vietnamese)

• STUDY ON SOME PHYSICAL AND MECHANICAL PROPERTIES OF B15 CONCRETE USING CRUSHED STONE FINE AGGREGATES IN NGHI LOC COMMUNE, NGHE AN PROVINCE

  Phan Văn Đức, Hồ Văn Phúc, Hồ Văn Hùng, Trương Quốc Định, Nguyễn Tài Tuấn, Nguyễn Xuân Hiệu, Lê Thanh Hải, Nguyễn Trọng Kiên

  138 - 145

  • PDF (Vietnamese)

• RESEARCH ON ENCAPSULATION EFFICIENCY AND ANTIOXIDANT CAPACITY OF VITAMIN E AND C LOADED SOLID LIPID NANOPARTICLES

  Nguyễn Minh Thu, Lê Thị Hồng Nhan, Ngô Nguyễn Trà My

  385 - 392

  • PDF (Vietnamese)

• THE IMPACT OF FORECASTED ELECTRICITY PRICE ON SELF-SCHEDULING FOR COMBINED-CYCLE GAS TURBINE POWER PLANT IN ELECTRICITY MARKETS

  Nguyễn Duy Đức, Phạm Năng Văn

  92 - 102

  • PDF (Vietnamese)

• A NOVEL NONLINEAR HYBRID CONTROL STRATEGY FOR ELECTRIC VEHICLE DRIVE SYSTEMS

  Phạm Thúy Ngọc, Lê Đức Thuận, Nguyễn Phú Điệp

  425 - 433

  • PDF (Vietnamese)

• RESEARCH AND DEVELOPMENT OF A SMART ELECTRICAL MODEL USING TUYA SWITCHES FOR TEACHING ELECTRICAL ENGINEERING AT LAO CAI COLLEGE

  Trần Thị Hồng Hoa, Hoàng Đức Lượng

  185 - 192

  • PDF (Vietnamese)

• EFFECT OF PACKAGING AND STORAGE CONDITIONS ON PHYSICOCHEMICAL, SENSORY, AND MICROBIAL PROPERTIES OF THREE-LEAF CAYRATIA (Cayratia trifolia L.) JELLY

  Đoàn Thị Kiều Tiên, Nguyễn Cao Quan Bình

  309 - 316

  • PDF (Vietnamese)

• ASSESSING STREAMFLOW DYNAMICS IN THE CHO CHU RIVER BASIN USING SWAT MODEL

  Nguyễn Ngọc Anh, Hoàng Nhật Anh, Chu Văn Trung, Phạm Văn Tuấn, Nguyễn Thanh Hải, Nguyễn Huy Trung

  291 - 299

  • PDF (Vietnamese)

• STUDY ON THE FABRICATION OF TITANIUM ALLOY COMPOSITE REINFORCED WITH BORON NITRIDE NANOPLATELETS BY SPARK PLASMA SINTERING TECHNIQUE

  Nguyễn Bình An, Trần Văn Hậu, Phạm Văn Trình, Đoàn Đình Phương

  3 - 10

  • PDF (Vietnamese)

• EFFECT OF PROCESSING CONDITIONS ON THE QUALITY OF SALTED CHILI RED GUAVA (Psidium guajava L.) CANDIED SLICE

  Đoàn Phương Linh, Bùi Thị Ngọc Thảo, Trần Nhã Linh, Nguyễn Xuân Hồng, Nguyễn Thị Hồng Xuyên

  168 - 176

  • PDF (Vietnamese)

• MODELING THE SHAFT MOTION IN THE BEARING OF AN INTERNAL GEAR PUMP USING FRACTIONAL DERIVATIVES

  Nguyễn Mạnh Hùng, Bùi Việt Hương

  11 - 18

  • PDF (Vietnamese)

• EFFECT OF Br– AND Cl– IONS ON MORPHOLOGY AND PROPERTIES OF SILVER NANOWIRE

  Lưu Bá Hoàng Anh, Nguyễn Thi Hồng Nhung, Nguyễn Đăng Tuyên, Nguyễn Duy Cường

  103 - 110

  • PDF (Vietnamese)

• HYDROTHERMAL SYNTHESIS OF POROUS ZnO NANO/MICRORODS FOR HIGHLY SENSITIVE NO2 GAS SENSING

  Lưu Hoàng Minh, Phạm Thị Thùy Thu, Phạm Văn Tòng

  332 - 339

  • PDF (Vietnamese)

• APPLICATION OF BIO-PRODUCT FROM BIOFILM-FORMING BACTERIA ON SAWDUST TO TREAT OIL-POLLUTED WATER

  Lê Thị Nhi Công, Nguyễn Kiều Hương, Phạm Thế Trịnh, Cung Thị Ngọc Mai, Đỗ Thị Liên, Trần Thị Mai, Vương Thị Nga, Quách Thị Liên

  434 - 441

  • PDF (Vietnamese)

• EFFECT OF MELATONIN TREATMENT ON ANTIOXIDANTS IN THE ASCORBATE-GLUTATHIONE CYCLE AND COLOR CHANGES IN AVOCADO FRUIT DURING RIPENING

  Trương Thị Huệ, Trần Khánh Nhung, Lê Duy Thanh

  266 - 273

  • PDF

• AN OVERVIEW OF ATMOSPHERIC WATER HARVESTING SYSTEMS USING THERMOELECTRIC COOLERS – POTENTIAL AND CHALLENGES

  Nguyễn Thị Hoa, Nguyễn Thị Thu Phương, Ngô Như Khoa, Lương Việt Dũng

  80 - 91

  • PDF (Vietnamese)

• MOBILE ROBOT CONTROL USING DEEP REINFORCEMENT LEARNING ALGORITHM

  Phạm Thị Thu Hà

  353 - 360

  • PDF (Vietnamese)

• OPTIMIZATION OF DISTRIBUTED GENERATION FOR POWER LOSS AND PHASE IMBALANCE REDUCTION IN UNBALANCED THREE-PHASE DISTRIBUTION NETWORKS

  Tôn Ngọc Triều

  377 - 384

  • PDF (Vietnamese)

• ONE STEP PREPARING OF WO3 NANOSHEETS USING ULTRASOUND-ASSISTED LIQUID-PHASE EXFOLIATION FOR PHOTOCATALYTIC DEGRADATION OF PARACETAMOL IN AQUEOUS SOLUTION

  Hoàng Minh Trang, Nguyễn Mạnh Khải, Nguyễn Thị Mai, Đặng Văn Thành, Nguyễn Thị Hải Yến, Ngô Thị Mai Việt, Trần Quốc Toàn

  146 - 152

  • PDF (Vietnamese)

• EFFECT OF DIBUTYL PHTHALATE AND DIOCTYL PHTHALATE PLASTICIZER RATIOS ON THE PROPERTIES OF NITROCELLULOSE-BASED ADHESIVES

  Lưu Văn Tuynh, Phan Văn Trường, Nguyễn Văn Thành, Nguyễn Trung Thủy

  123 - 130

  • PDF (Vietnamese)

• PERFORMANCE EVALUATION OF MODEL PREDICTIVE CONTROL FOR SIX-PHASE INDUCTION MOTOR UNDER VARIOUS OPERATING CONDITIONS

  Nguyễn Việt Trung, Bùi Thanh Hiếu, Đỗ Chí Phi, Phạm Thanh Tùng

  409 - 416

  • PDF (Vietnamese)

• FIRST-PRINCIPLES STUDY OF THE THERMOELECTRIC PROPERTIES OF TWO-DIMENSIONAL MATERIALS SiSX (X = 1, 2)

  Trần Thế Quang, Nguyễn Hoàng Linh, Đinh Thế Hưng, Lê Nhật Bằng, Đỗ Văn Trường

  161 - 167

  • PDF

• ENHANCED PHOTOCATALYTIC DEGRADATION OF METHYLENE BLUE BY Ag/W CO-MODIFIED TiO2

  Phạm Tuấn Anh, Nguyễn Thị Thúy, Đặng Viết Quang

  340 - 346

  • PDF (Vietnamese)

• RESEARCH ON THE IMPACT FORCE FROM THE FILED SURFACE ON THE FRAME AND HOUSING OF THE PURPLE ONION PLANTING MACHINE

  Lê Trung Hậu, Cao Hùng Phi, Nguyễn Thuận Hải Đăng, Nguyễn Thanh Quang

  274 - 282

  • PDF (Vietnamese)

• STUDY ON CHEMICAL MODIFICATION OF CASSAVA STARCH FOR INTENDED APPLICATION OF BIODEGRADABLE FILMS

  Nguyễn Châu Giang, Vũ Minh Đức

  211 - 217

  • PDF (Vietnamese)

• EFFECT OF TEMPERING HEAT ON MICROSTRUCTURE AND HARDNESS OF NITROGEN-CONTAINING MARTENSITE STAINLESS STEEL

  Vũ Đình Toại, Trần Thị Xuân

  153 - 160

  • PDF (Vietnamese)

• COMPARISON OF GA-PID AND FUZZY-PID CONTROLLERS APPLIED TO LIQUID LEVEL STABILITY CONTROL SYSTEM

  Lê Minh Thành, Nguyễn Tấn Nó, Lương Hoài Thương, Lê Tiến Đạt, Nguyễn Chí Ngôn

  45 - 53

  • PDF (Vietnamese)

• CALCULATION OF PRINCIPAL STRUCTURAL PARAMETERS OF A PULSE JET ENGINE INTEGRATED IN MISSILE SYSTEMS

  Phạm Xuân Quyền

  393 - 400

  • PDF (Vietnamese)

• PREPARATION AND IN VITRO TEST OF INSECTICIDAL ACTIVITY OF NANO – BI AGAINST TETRANYCHUS SP.

  Đỗ Văn Công, Vũ Thị Phương Bình, Trần Ngọc Khánh, Vũ Ngọc Thu Hà, Nguyễn Thị Bích Hồng, Đào Thi Thanh Huyền, Phạm Khánh Linh, Hà Minh Thanh, Nguyễn Thị Hoa, Lê Đăng Quang

  249 - 255

  • PDF (Vietnamese)

• DESIGN AND PERFORMANCE EVALUATION OF 64-BIT PRECHARGE FREE - TERNARY CONTENT ADDRESSABLE MEMORY

  Lã Nguyễn Gia Huy, Nguyễn Thế Luân, Trương Quang Phúc, Nguyễn Ngô Lâm, Đỗ Duy Tân, Nguyễn Văn Thành Lộc

  241 - 248

  • PDF (Vietnamese)

• SYNTHESIS OF BENTONITE/ALGINATE COMPOSITE BEADS AND THEIR APPLICATION FOR ADSORPTION OF CRYSTAL VIOLET DYE

  Thiều Quang Quốc Việt, Trần Nguyễn Phương Lan, Lý Kim Phụng

  300 - 308

  • PDF

• RESEARCH ON METHYLENE BLUE DYE TREATMENT USING ADSORBENT MATERIAL MADE FROM TEXTILE WASTE

  Hoàng Trung Kiên, Văn Hữu Tập, Hoàng Văn Hùng, Vi Thuỳ Linh, Nguyễn Thị Bích Hạnh, Nguyễn Thị Mai Linh, Nguyễn Thu Hường, Hoàng Lê Phương, Văn Hữu Lương Nguyên, Đỗ Diệp Anh

  19 - 27

  • PDF (Vietnamese)

• PHOTOCATALYTIC DEGRADATION OF CIPROFLOXACIN AND METRONIDAZOLE ANTIBIOTICS USING ZnO/Fe3O4/CHITOSAN COMPOSITE

  Vu Thị Tâm Hiếu, Lù Thị Xíu, Lê Tiến Hà, Bùi Minh Tuân, Nguyễn Văn Quang, Bùi Minh Quý

  28 - 36

  • PDF (Vietnamese)