Volume 70, Issue 4, 2025: Natural Sciences

Bài viết

• ON BALANCING NUMBERS BY THE MATRIX METHOD

  Luu Ba Thang, Phan Hoang Lam

  3-10

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  DOI: https://doi.org/10.18173/2354-1059.2025-0049

• ROOTS OF COMPLEX HARMONIC POLYNOMIALS IN ONE VARIABLE

  Dinh Thi Quynh Lien

  11-17

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  DOI: https://doi.org/10.18173/2354-1059.2025-0050

• OPTIMAL ATTENUATION CONTROL OF 2-D POSITIVE ROESSER SYSTEMS WITH BOUNDED DISTURBANCES

  Mai Thi Hong

  18-31

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  DOI: https://doi.org/10.18173/2354-1059.2025-0051

• DIFFERENTIAL VARIATIONAL INEQUALITIES VIA THE EXTENDED LASALLE’S INVARIANCE PRINCIPLE APPROACH

  Hoang Mai Huong, Nguyen Thi Nhung

  32-42

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  DOI: https://doi.org/10.18173/2354-1059.2025-0052

• BUILDING A VIETNAMESE MATH CHATBOT BASED ON RAG AND LLM: SYSTEM DESIGN, IMPLEMENTATION AND EXPERIMENTAL EVALUATION

  Pham Van Khanh, Pham Vu Anh Tuan

  43-56

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  DOI: https://doi.org/10.18173/2354-1059.2025-0053

• MICROSATELLITE HYBRID STRUCTURE USING ALUMINUM 7075-T6 AND CFRP FOR IMPROVED LAUNCH PERFORMANCE SURVIVABILITY

  Nguyen Thuy Linh, Nguyen Cong Thai, Le Xuan Huy, To Anh Duc

  57-67

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  DOI: https://doi.org/10.18173/2354-1059.2025-0054

• DENSITY FUNCTIONAL THEORY APPROACH IN INVESTIGATING STRUCTURAL AND ELECTRONIC PROPERTIES OF BISMUTH-BASED PHOTOCATALYSTS

  Nguyen Huyen Nhung, Tran Phan Thuy Linh

  68-77

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  DOI: https://doi.org/10.18173/2354-1059.2025-0055

• CHARACTERIZATION OF A CHITOSAN/POLYANILINE FILM LOADED WITH LOVASTATIN

  Bui Thanh Nga, Huynh Xuan Mai, Vu Quoc Manh, Nguyen Dang Dat, Vu Thi Huong, Vu Quoc Trung

  78-87

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  DOI: https://doi.org/10.18173/2354-1059.2025-0056

• MORPHOLOGICAL AND PHASE EVOLUTION OF COBALT SULFIDE ON CARBON CLOTH VIA CONTROLLED HYDROTHERMAL SYNTHESIS FOR HIGH-PERFORMANCE FLEXIBLE SUPERCAPACITORS

  Nguyen Dinh Hung, Dang Van Cu, Le Quang Huy, Luong Thi Thu Thuy, Le Van Khu

  88-100

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  DOI: https://doi.org/10.18173/2354-1059.2025-0057

• REMARKABLE RECORDS OF MAMMALS AND CONSERVATION STATUS OF Sundasciurus hippurus AND Macaca fascicularis FROM U MINH HA NATIONAL PARK, SOUTHERN VIETNAM

  Vu Dinh Thong, Nguyen Van Viet, Pham Van Nha, Vo Trong Tai, Nguyen Hoang Thien, Nguyen Khanh Luong, Nguyen Tan Truyen, Tran Quoc Khai, Ngo Khang Duy, Nguyen Thanh Luong, Le Thi My Thanh, Hoang Trung Thanh

  101-109

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  DOI: https://doi.org/10.18173/2354-1059.2025-0058

• MORPHOLOGICAL AND ANATOMICAL ADAPTATIONS OF THE TUBER FOR PARASITISM IN THREE SPECIES OF Balanophora J.R. Forst. et G. Forst. FROM MU CANG CHAI, YEN BAI

  Cao Hoang Tuan, Luong Van Dung, Nguyen Dao Cam Tu, Tran Thuy Linh, Tran Vu Kim Anh, Bui Thu Ha

  110-120

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  DOI: https://doi.org/10.18173/2354-1059.2025-0059

• COMPARATIVE ASSESSMENT OF SOIL PROPERTIES IN ORGANIC, CONVENTIONAL, AND ABANDONED VEGETABLE CULTIVATION SYSTEMS IN VEGETABLE-GROWING AREAS OF HANOI

  Nguyen Ha Linh, Nguyen Thi Hong Lien

  121-133

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  DOI: https://doi.org/10.18173/2354-1059.2025-0060

• EFFECTS OF ALCOHOL-SOLUBLE COMPONENTS IN SOYMILK RESIDUE ON PLASMA LIPID LEVELS, LIPID DIGESTIONAND BODY WEIGHT GAIN IN SWISS MICE

  Dao Ngoc Anh, Nguyen Manh Duc, Nguyen Phuc Hung

  134-142

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  DOI: https://doi.org/10.18173/2354-1059.2025-0061

• EATING BEHAVIORS ASSOCIATED WITH THINNESS AMONG 9 TO 12-YEAR-OLD STUDENTS AT 915 GIA SANG PRIMARY AND SECONDARY SCHOOL, THAI NGUYEN CITY: A DECISION TREE ANALYSIS

  Duong Thi Anh Dao, Nguyen Thi Hong Hanh, Pham Thao Linh, Le Thi Tuyet, Nguyen Thi Trung Thu, Nguyen Thi Bich Ngoc, Nguyen Phuc Hung, Le Ngoc Hoan, Do Thi Nhu Trang

  143-153

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  DOI: https://doi.org/10.18173/2354-1059.2025-0062

• EFFECT OF ULTRASOUND TREATMENT COMBINED WITH SODIUM HYDROGEN SULFITE ON THE QUALITY OF POSTHARVEST LONGAN FRUIT

  Nguyen Trung Truc, Huynh Khanh Thi, Duong Thi Cam Nhung

  154-164

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  DOI: https://doi.org/10.18173/2354-1059.2025-0063

• CHARACTERISTICS OF THE LANDSCAPE CLASSIFICATION SYSTEM OF COMMUNES: CHO RA, BA BE, PHUC LOC, THUONG MINH AND DONG PHUC, THAI NGUYEN PROVINCE

  Dinh Hoang Duong, Ngo Thi Hai Yen, Do Van Thanh, Kieu Van Hoan, Nguyen Van Manh, Vu Thi Thu Thuy

  165-181

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  DOI: https://doi.org/10.18173/2354-1059.2025-0064

• GEOHERITAGE VALUES OF THE TRANSBOUNDARY WORLD HERITAGE OF PHONG NHA-KE BANG NATIONAL PARK AND HIN NAM NO NATIONAL PARK

  Mai Thanh Tan, Vu Thi Minh Nguyet, Tran Thi Thuy Van

  182-194

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  DOI: https://doi.org/10.18173/2354-1059.2025-0065