Volume 70, Issue 4, 2025: Natural Sciences

View Volume 70, Issue 4, 2025: Natural Sciences
Published: 31-12-2025

Cover & Toc

Articles

  • ON BALANCING NUMBERS BY THE MATRIX METHOD

    Luu Ba Thang, Phan Hoang Lam
    3-10
    DOI: https://doi.org/10.18173/2354-1059.2025-0049

  • ROOTS OF COMPLEX HARMONIC POLYNOMIALS IN ONE VARIABLE

    Dinh Thi Quynh Lien
    11-17
    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
    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
    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
    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
    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
    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
    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
    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
    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
    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
    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
    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
    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
    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
    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
    DOI: https://doi.org/10.18173/2354-1059.2025-0065