About the Journal

HNUE Journal of Science: Natural Sciences (HNUEJS.NS) has the international standard series number ISSN: 2354-1059, publish original research in natural sciences and engineering including mathematics, biology, chemistry, informatics, geographics and physics. This journal is indexed by the State Council for Professor of Vietnam for publications in Biology , Geography,  Physics and Chemistry as 0.75/1.0 points, and  0.5/1.0 points for publications in Mathematics and Information Technology. HNUEJS.NS  publishes quarterly in March, June, September and December.

 

Current Issue

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, Le Thi My Thanh, Nguyen Thanh Luong, Ngo Khang Duy, Tran Quoc Khai, Nguyen Tan Truyen, Nguyen Khanh Luong, Nguyen Hoang Thien, Vo Trong Tai, Pham Van Nha, Nguyen Van Viet, Hoang Trung Thanh
    101-109
    DOI: https://doi.org/10.18173/2354-1059.2025-0058

  • 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

  • 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
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