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 3, 2025: Natural Sciences
View Volume 70, Issue 3, 2025: Natural Sciences
Published: 30-09-2025

Cover & Toc

Articles

  • ULTIMATE BOUNDS OF RAPIDLY TIME-VARYING SYSTEMS: AN AVERAGING APPROACH

    Dinh Kim Ngan
    3-12
    DOI: https://doi.org/10.18173/2354-1059.2025-0032

  • BIVARIATE POLYNOMIAL INTERPOLATION BASED ON LINE INTEGRALS

    Nguyen Van Khiem, Do Van Toan
    13-25
    DOI: https://doi.org/10.18173/2354-1059.2025-0033

  • A FIXED POINT THEOREM APPROACH TO GENERALIZED HALANAY INEQUALITIES

    Le Anh Dung
    26-34
    DOI: https://doi.org/10.18173/2354-1059.2025-0034

  • THE THERMODYNAMIC CONTACT ANGLE IN THE PREWETTING PHASE OF A BINARY BOSE-EINSTEIN CONDENSATE MIXTURE

    Pham Duy Thanh, Nguyen Van Thu
    35-46
    DOI: https://doi.org/10.18173/2354-1059.2025-0035

  • SELF-DIFFUSION OF BCC INTERSTITIAL ALLOY FeSi

    Nguyen Quang Hoc, Pham Duy Thanh, Duong Dai Phuong
    47-57
    DOI: https://doi.org/10.18173/2354-1059.2025-0036

  • THE PHYSICAL ORIGIN OF FIDELITY ENHANCEMENT IN THE TELEPORTATION PROTOCOL OF AN ARBITRARY TWO-QUBIT STATE UNDER AMPLITUDE-DAMPING NOISE ENVIRONMENT

    Nguyen Van Hop
    58-73
    DOI: https://doi.org/10.18173/2354-1059.2025-0037

  • OPTIMAL PARTICLE SIZE OF Ag3PO4 PHOTOCATALYSTS ACHIEVED BY pH-CONTROLLED SYNTHESIS

    Pham Do Chung, Lam Thi Hang, La Thi Bich Dao, Le Thi Mai Oanh
    74-82
    DOI: https://doi.org/10.18173/2354-1059.2025-0038

  • EZMATH: DEVELOPING DIGITAL METHODS, A WEBSITE-BASED APPROACH TO SUPPORT TEACHING MATH WITH FIRST-GRADE VIETNAMESE CHILDREN WITH DYSCALCULIA

    Nguyen Thi Quynh Hoa, Nguyen Thi Cam Huong, Le Thanh Ha, Ngo Thi Duyen
    83-94
    DOI: https://doi.org/10.18173/2354-1059.2025-0039

  • AN OPTIMAL ALGORITHM FOR SOLVING PROTECTION PROBLEMS IN ELASTIC OPTICAL NETWORKS

    Nguyen Khac An
    95-107
    DOI: https://doi.org/10.18173/2354-1059.2025-0040

  • THE FIRST EVALUATION OF TYROSINASE AND ELASTASE INHIBITORY ACTIVITIES OF GRAYANANE-TYPE DITERPENOIDS ISOLATED

    Nguyen Quoc Tuan, Pham Thi Bich Dao, Nguyen Thi Hoai Ha, Nguyen Ngoc Linh
    108-116
    DOI: https://doi.org/10.18173/2354-1059.2025-0041

  • SYNTHESIS, STRUCTURAL STUDIES AND ACETYLCHOLINESTERASE INHIBITION ACTIVITY OF SOME (E)-2-METHOXY-3-NITRO-4-(3-OXO-3-ARYLPROP-1-EN-1-YL)PHENYL ACETATES

    Truong Minh Lương
    117-126
    DOI: https://doi.org/10.18173/2354-1059.2025-0042

  • RESEARCH ON THE TECHNOLOGICAL PARAMETERS OF ORANGE RAKIA PRODUCTION

    Ho Tuan Anh, Pham Quang Tu
    127-136
    DOI: https://doi.org/10.18173/2354-1059.2025-0043

  • NEW DISTRIBUTIONAL RECORDS AND ACOUSTIC IDENTIFICATION OF HIPPOSIDERID BATS (CHIROPTERA: HIPPOSIDERIDAE) FROM SON LA AND LANG SON PROVINCES, NORTHERN VIETNAM

    Pham Van Nha, Vu Dinh Thong
    137-146
    DOI: https://doi.org/10.18173/2354-1059.2025-0044

  • PRELIMINARY STUDY OF SPECIES COMPOSITION AND DISTRIBUTION OF BEETLES (INSECTA: COLEOPTERA) IN DU GIA COMMUNE, DU GIA NATIONAL PARK - DONG VAN KARST PLATEAU, TUYEN QUANG PROVINCE

    Bui Minh Hong, Vu Phuong Thao, Ca Thi Le Quyen, Vu Thi Tuyet, Nguyen Thi Thu Huong
    147-156
    DOI: https://doi.org/10.18173/2354-1059.2025-0045

  • ASSESSMENT OF DROUGHT IN THE SOUTHERN SUB-REGION OF THE RED RIVER DELTA FOR AGRICULTURAL DEVELOPMENT

    Dao Ngoc Hung, Nguyen Truong San, Ngo Thi Hai Yen, Cu Thi Phuong, Hoang Linh Trang, Tran Thi Tuyen, Hua Hoang Hue, Phan Thi Thuy Dung, Le Thi My Hien
    157-170
    DOI: https://doi.org/10.18173/2354-1059.2025-0046

  • ASSESSMENT OF METEOROLOGICAL DROUGHT SEVERITY IN THE FORMER HA GIANG PROVINCE, NORTHERN VIETNAM

    Vuong Van Vu, Hoang Luu Thu Thuy, Vo Trong Hoang, Tran Thi Mui, Pham Thi Cuc, ong Phuc Tuan, Le Thi Thu Hien, Nguyen Thanh Binh, Ahmad M. Manschadi, Tran Xuan Hoang
    171-182
    DOI: https://doi.org/10.18173/2354-1059.2025-0047

  • ASSESSING SOIL EROSION SEVERITY IN TEMPORAL AND SPATIAL PATTERN: A CASE STUDY IN THE PLEIKU PLATEAU, GIA LAI PROVINCE

    Nguyen Thanh Tuan, Do Quoc Tuan, Tran Thuy Chi
    183-196
    DOI: https://doi.org/10.18173/2354-1059.2025-0048
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