Vol. 70 No. 3 (2025): Tháng 9 năm 2025

ARTICLES

• ULTIMATE BOUNDS OF RAPIDLY TIME-VARYING SYSTEMS: AN AVERAGING APPROACH DOI: 10.18173/2354-1059.2025-0032

  Dinh Kim Ngan

  3

• BIVARIATE POLYNOMIAL INTERPOLATION BASED ON LINE INTEGRALS DOI: 10.18173/2354-1059.2025-0033

  Nguyen Van Khiem and Do Van Toan

  13

• A FIXED POINT THEOREM APPROACH TO GENERALIZED HALANAY INEQUALITIES DOI: 10.18173/2354-1059.2025-0034

  Le Anh Dung

  26

• THE THERMODYNAMIC CONTACT ANGLE IN THE PREWETTING PHASE OF A BINARY BOSE-EINSTEIN CONDENSATE MIXTURE DOI: 10.18173/2354-1059.2025-0035

  Pham Duy Thanh and Nguyen Van Thu

  35

• SELF-DIFFUSION OF BCC INTERSTITIAL ALLOY FeSi DOI: 10.18173/2354-1059.2025-0036

  Nguyen Quang Hoc, Pham Duy Thanh and Duong Dai Phuong

  47

• THE PHYSICAL ORIGIN OF FIDELITY ENHANCEMENT IN THE TELEPORTATION PROTOCOL OF AN ARBITRARY TWO-QUBIT STATE UNDER AMPLITUDE-DAMPING NOISE ENVIRONMENT DOI: 10.18173/2354-1059.2025-0037

  Nguyen Van Hop

  58

• OPTIMAL PARTICLE SIZE OF Ag3PO4 PHOTOCATALYSTS ACHIEVED BY pH-CONTROLLED SYNTHESIS DOI: 10.18173/2354-1059.2025-0038

  Pham Do Chung, Lam Thi Hang, La Thi Bich Dao and Le Thi Mai Oanh

  74

• EZMATH: DEVELOPING DIGITAL METHODS, A WEBSITE-BASED APPROACH TO SUPPORT TEACHING MATH WITH FIRST-GRADE VIETNAMESE CHILDREN WITH DYSCALCULIA DOI: 10.18173/2354-1059.2025-0039

  Nguyen Thi Quynh Hoa, Nguyen Thi Cam Huong, Le Thanh Ha and Ngo Thi Duyen

  83

• AN OPTIMAL ALGORITHM FOR SOLVING PROTECTION PROBLEMS IN ELASTIC OPTICAL NETWORKS DOI: 10.18173/2354-1059.2025-0040

  Nguyen Khac An

  95

• THE FIRST EVALUATION OF TYROSINASE AND ELASTASE INHIBITORY ACTIVITIES OF GRAYANANE-TYPE DITERPENOIDS ISOLATED FROM Rhododendron brachycarpum DOI: 10.18173/2354-1059.2025-0041

  Nguyen Quoc Tuan, Pham Thi Bich Dao, Nguyen Thi Hoai Ha and Nguyen Ngọc Linh

  108

• 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 DOI: 10.18173/2354-1059.2025-0042

  Truong Minh Luong

  117

• RESEARCH ON THE TECHNOLOGICAL PARAMETERS OF ORANGE RAKIA PRODUCTION DOI: 10.18173/2354-1059.2025-0043

  Pham Quang Tu and Ho Tuan Anh

  127

• NEW DISTRIBUTIONAL RECORDS AND ACOUSTIC IDENTIFICATION OF HIPPOSIDERID BATS (CHIROPTERA: HIPPOSIDERIDAE) FROM SON LA AND LANG SON PROVINCES, NORTHERN VIETNAM DOI: 10.18173/2354-1059.2025-0044

  Pham Van Nha and Vu Dinh Thong

  137

• 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 DOI: 10.18173/2354-1059.2025-0045

  Bui Minh Hong, Vu Phuong Thao, Ca Thi Le Quyen, Vu Thi Tuyet and Nguyen Thi Thu Huong

  147

• ASSESSMENT OF DROUGHT IN THE SOUTHERN SUB-REGION OF THE RED RIVER DELTA FOR AGRICULTURAL DEVELOPMENT DOI: 10.18173/2354-1059.2025-0046

  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 and Le Thi My Hien

  157

• ASSESSMENT OF METEOROLOGICAL DROUGHT SEVERITY IN THE FORMER HA GIANG PROVINCE, NORTHERN VIETNAM DOI: 10.18173/2354-1059.2025-0047

  Vuong Van Vu, Hoang Luu Thu Thuy, Vo Trong Hoang, Tran Thi Mui, Pham Thi Cuc, Tong Phuc Tuan, Le Thi Thu Hien, Nguyen Thanh Binh, Ahmad M. Manschadi, Tran Xuan Hoang

  171

• ASSESSING SOIL EROSION SEVERITY IN TEMPORAL AND SPATIAL PATTERN: A CASE STUDY IN THE PLEIKU PLATEAU, GIA LAI PROVINCE DOI: 10.18173/2354-1059.2025-0048

  Nguyen Thanh Tuan, Do Quoc Tuan, Tran Thuy Chi

  183