Vol. 226 No. 07 (2021): NATURAL SCIENCES - ENGINEERING - TECHNOLOGY

NATURAL SCIENCE – ENGINEERING – TECHNOLOGY

• SIMULATION MODEL OF ADSORPTION REFRIGERATION SYSTEM USING RENEWABLE ENERGY

  Thẩm Bội Châu, Dương Xuân Quang

  3-10

  • PDF (Vietnamese)
• SMART AIR FILTER SYSTEM

  Vũ Thúy Hằng

  11-17

  • PDF (Vietnamese)
• STUDY OF THE CORRELATION BETWEEN THE RADIAL DISTRIBUTION FUNCTION AND BOND ANGLE DISTRIBUTION IN Mg2SiO4 SOLID

  Phạm Hữu Kiên, Nguyễn Hồng Lĩnh, Dương Thị Lịch, Ngô Tuấn Ngọc, Đặng Thị Thu Hương, Giáp Thị Thùy Trang

  18-24

  • PDF (Vietnamese)
• ASSESSMENT OF HARMONIC PROBLEMS FOR DIFFERENT LOADS IN VIETNAM AND PROPOSING SOLUTIONS

  Bùi Anh Tuấn

  25-33

  • PDF (Vietnamese)
• SURVEILLANCE OF FLY ASH FLOW THROUGH THE FLY ASH FEED VALVE ON TRANSPORT PIPES IN THERMAL POWER FLY ASH SYSTEM

  Nguyễn Chí Cường, Nguyễn Hữu Lương, Ngô Văn Hệ

  34-40

  • PDF (Vietnamese)
• APPLICATION OF BERT ARCHITECTURE FOR STORAGE TIME OF RECORD CLASSIFICATION PROBLEM

  Tôn Nữ Thị Sáu, Trần Quốc Toanh

  41-49

  • PDF (Vietnamese)
• THE SPEED OF CONVERGENCE OF THE THIRD – ODER NEWTON – KRYLOV METHOD

  Lại Văn Trung, Quách Thị Mai Liên

  50-55

  • PDF (Vietnamese)
• REMOVAL OF AMMONIUM USING CLINOPTILOLITE MODIFIED BY NaCl AND ULTRASOUND

  Nguyễn Thị Tuyết, Nguyễn Đình Vinh

  56-63

  • PDF (Vietnamese)
• DESIGNING A LOADED BRAKE TESTBED FOR VEHICLES USING THE DEPENDENT SUSPENSION SYSTEM

  Vũ Văn Tấn

  64-71

  • PDF (Vietnamese)
• APPLICATION OF WEIGHTED MODEL FOR ESTABLISHING LANDSLIDE ZONES MAP IN THAI NGUYEN PROVINCE

  Trần Viết Khanh, Nguyễn Lê Duy, Lê Minh Hải, Phương Hữu Khiêm

  72-83

  • PDF (Vietnamese)
• RESEARCH AND DESIGN COMPONENT OF THE EMG SIGNAL RECEIVING DEVICE

  Nguyễn Sỹ Hiệp, Vũ Thị Nguyệt

  84-91

  • PDF (Vietnamese)
• A STUDY OF RE-DESIGNING AND MANUFACTURING PILOT SCALE GLUCOMANNAN PRODUCTION LINE USING AMORPHOPHALLUS KRAUSEI RIZHOMES CULTIVATED IN AN GIANG PROVINCE

  Đái Thị Lan, Lê Ngọc Hùng, Mai Văn Nam, Nguyễn Thị Thanh Hương, Trần Văn Thanh, Nguyễn Thị Hương, Lê Thị Diệu Linh, Nguyễn Thanh Tuấn

  92-98

  • PDF (Vietnamese)
• EFFECTS OF TOOL WEAR ON VIBRATION IN TURNING

  Lê Thái Sơn, Lương Hải Chung, Nguyễn Bá Thuận

  99-104

  • PDF (Vietnamese)
• A PROBLEM OF TOLERANCE CALCULATION OF SERIAL MANIPULATORS BASED ON PROCESSING TECHNOLOGY

  Dương Quốc Khánh, Phạm Thành Long

  105-111

  • PDF (Vietnamese)
• A TECHNIQUE WHICH CONSIDER THE CAPILLARY REFILL TIME CRT FOR SIMULATION OF SKIN DEFORMATION AND CHANGE OF SKIN COLOR CAUSED BY EXTERNAL FORCE

  Nguyễn Đức Hoàng, Đỗ Năng Toàn, Nguyễn Tuấn Minh, Phạm Ngọc Toàn

  112-120

  • PDF (Vietnamese)
• GRANULAR COMPUTING BASED ON COMPLEX FUZZY SIMILARITY MEASURES IN DENTAL DIAGNOSIS SUPPORT

  Trần Mạnh Tuấn, Trần Thị Ngân, Vũ Anh Tuấn

  121-127

  • PDF (Vietnamese)
• FABRICATION OF Ag/Au ALLOY NANOSTRUCTURE FOR METHYLENE BLUE DETECTION BY SURFACE ENHANCED RAMAN SCATTERING

  Vũ Xuân Hòa

  143-150

  • PDF (Vietnamese)
• STUDY OF APPLICATION OF WASTEWATER TREATMENT PROCESS TECHNOLOGY IN ENRICHMENT AND MELTING TIN

  Đỗ Phương Thảo

  135-142

  • PDF (Vietnamese)
• FABRICATION OF ANISOTROPIC SILVER NANOPARTICLES BY COMBINATION OF BLUE AND GREEN LED IRRADIATION FOR MELAMIN DETECTION APPLICATIONS

  Vũ Xuân Hòa

  143-150

  • PDF (Vietnamese)
• THE RESISTANCE AND LIVESTOCK WASTEWATER TREATMENT EFFICIENCY OF UMBRELLA SEDGE (Cyperus alternifolius) AND CUMBUNGI (Typha orientalis) AFTER BIOGAS PROCESS

  Lương Thị Thúy Vân, Bùi Thị Kim Anh, Chu Mạnh Nhương, Phạm Thương Giang

  151-159

  • PDF (Vietnamese)
• SELECTION OF IMPORTANCE INDICATORS FOR MACHINE LEARNING MODELS IN FOREX TRADING AREA

  Mai Văn Hoàn, Đào Trần Chung, Vũ Văn Diện

  160-165

  • PDF (Vietnamese)
• STUDY ON THE ANTIOXIDANT AND ANTIBACTERIAL OF SENNA ALATA AND MIMOSA PIGRA IN KIEN GIANG

  Huỳnh Kim Yến, Trần Thanh Mến, Nguyễn Trọng Tuân, Nguyễn Thành Tâm, Huỳnh Thị Cẩm Lan, Phạm Thị Khánh Linh, Trương Thị Tú Trân

  166-174

  • PDF (Vietnamese)
• APPROXIMATION ALGORITHM AND APPLICATION FOR A NP-HARD PROBLEM SOLVING

  Nguyễn Đình Dũng

  175-181

  • PDF (Vietnamese)
• EXTRACT FEATURES AND CLASSIFICATION OF CHEST X-RAY IMAGES

  Võ Thị Một, Võ Duy Nguyên, Nguyễn Tấn Trần Minh Khang

  175-181

  • PDF (Vietnamese)
• STATUS ASSESSMENT AND SOLUTIONS OF MANAGEMENT TO DOMESTIC SOLID WASTES IN HA NOI

  Phạm Thị Tố Oanh

  190-198

  • PDF (Vietnamese)
• DESIGNING OSCILLATOR AND AMPLIFIER FOR MICROWAVE MOTION SENSOR

  Trần Xuân Trọng, Lương Quang Huy

  199-203

  • PDF (Vietnamese)
• WIRELESS COMMUNICATION THROUGH INTELLIGENT REFLECTING SURFACE

  Nguyễn Thanh Tùng, Nguyễn Thị Thanh Bình, Vũ Chiến Thắng

  204-218

  • PDF (Vietnamese)
• BUILDING HARDWARE MODEL FOR SOLAR POWER STATION CONNECTED GRID, APPLIED AT OFFICES, SCHOOLS, ENTERPRISES IN LAO CAI CITY

  Dương Quốc Hưng, Nguyễn Hữu Công, Nguyễn Thế Cường, Lê Đình Sơn

  219-225

  • PDF (Vietnamese)
• 2D BIN PACKING PROBLEM AND APPLICATION IN MARITIME TRANSPORTATION

  Phùng Thế Huân, Hoàng Thị Cành, Vũ Đức Thái, Bùi Ngọc Tuấn

  226-234

  • PDF (Vietnamese)
• A PROPOSAL FOR THE PROCEDURE OF EXPLOITING THE MATHEMATICS - INFORMATICS INTERDISCIPLINARY RELATIONSHIP IN TEACHING HOW TO SOLVE EXERCISES ON ALGEBRAIC EXPRESSIONS FOR 7th GRADE STUDENTS

  Ngô Thị Tú Quyên, Nguyễn Như Trang

  235-240

  • PDF (Vietnamese)
• BUILDING CONTROL SYSTEM AND MONITORING FOR SOLAR POWER STATION CONNECTED GRID, APPLIED IN LAO CAI PROVINCE

  Dương Quốc Hưng, Nguyễn Hữu Công, Nguyễn Thế Cường, Đoàn Đức Quang

  241-246

  • PDF (Vietnamese)
• ON NECESSARY OPTIMALITY CONDITIONS FOR LOCAL WEAK PARETO MINIMUM IN VECTOR OPTIMIZATION PROBLEM WITH CONSTRAINTS

  Vũ Thị Thu Loan, Trần Văn Sự, Đinh Diệu Hằng

  247-253

  • PDF (Vietnamese)
• A TECHNIQUE OF ASSESSING STUDENT ENGAGEMENT BASED ON EYE CLOSE/OPEN BEHAVIOR

  Trần Thanh Phương, Trần Văn Lăng, Đỗ Năng Toàn

  254-261

  • PDF (Vietnamese)
• PREPARATION OF ACTIVATED CARBON FROM MORINGA OLEIFERA BARK AND ITS APPLICATIONS FOR ADSORPTION OF Cu(II) FROM AQUEOUS SOLUTION

  Dương Thị Tú Anh, Đoàn Mạnh Cường

  262-269

  • PDF (Vietnamese)
• STUDY THE DYNAMICS OF THE D45 STEEL PIPE CUTTER AND IDENTIFY SYSTEM LOSSES TO IMPROVE HYDRAULIC PUMP EFFICIENCY

  Triệu Quý Huy, Trần Thị Hương, Vũ Văn Đam

  270-276

  • PDF (Vietnamese)
• THE METHOD PROVING INEQUALITY BY USING TANGENTIAL CURVE

  Lê Anh Tuấn

  277-285

  • PDF (Vietnamese)
• WASTEWATER AUDITING AND PROPOSE THE SOLUTIONS TO IMPROVE IN THE PLASTIC RECYCLE CRAFT VILLAGE AT TRIEU KHUC, HA NOI

  Phạm Thị Tố Oanh

  286-292

  • PDF (Vietnamese)
• INTELLIGENT PLANTS FOR CLEAN VEGETABLES FOR APARTMENTS WITH INTERNET OF THINGS TECHNOLOGY

  Hoàng Văn Thực, Đào Thị Phượng, Đoàn Thị Thanh Thảo

  293-300

  • PDF (Vietnamese)