Vol. 13 No. 2 (2025)
Vol. 13 No. 2 (2025)
Electronic Journal of Berkala Sainstek (BST) is a national peer-reviewed and open access journal that publishes research papers encompasses all aspects of natural sciences and technology including Mathematics, Physics, Chemistry, Biology, Civil Engineering, Electrical Engineering, Mechanical Enginnering, Environmental Engineering, Urban & Regional Planning, Information System, Informatics and Information Technology.
All accepted manuscripts will be published worldwide BERKALA SAINSTEK has been indexed in: DOAJ, SINTA, DIMENSION, GARUDA.
Published: 30-06-2025
Articles
Characteristics and Potential Activity of Aerobic Denitrifying Bacteria from Fish Farming Ponds
Rizal Khoirun Alfisah, Meyta Pratiwi, Adinda Kurnia Putri, Mazidah Noer Inayah
Pages 44-50
Tsunami Hazard Evaluation in Temon Sub-district, Kulon Progo Regency Based on the Worst-Case Scenario of the South Java Megathrust Earthquake
Nana Dyana, Yohana Noradika Maharani, Suharsono, Arif Rianto Budi Nugroho, Tedy Agung Cahyadi
Pages 51-61
Green Extraction of Lignin Compounds from Sugarcane Bagasse Waste for Eco-Friendly Sunscreen Cream Development
Melisa Nur Halimah, Teguh Pambudi, Hilman Imadul Umam, Fajar Amelia Rachmawati Putri
Pages 62-70
Design of a Thermoelectric Cool Box with Electronic Mobile-Based Temperature Control and Monitoring System
Moh. Abdul Gofur, Rahajeng Kurnianingtyas, Fauzan Amri, Rofan Aziz
Pages 71-77
Utilization of Microwave Technology in the Esterification Process of Nyamplung Oil (Calophyllum inophyllum L.) for Biofuel Feedstock
Ansori Ansori, Ratri Sekaringgalih, Sonya Hakim Raharjo, Merymistika Yufrani Afred, Yukti Nurani
Pages 87-95
Species Composition and Length-Weight Frequency Distribution of Lobsters (Panulirus spp.) Landed on The Puger Coast, Jember Regency, East Java
Arief Setyanto, Muhammad Arif Rahman, Yulianita Fatmasari, Viga Ballacka Irawan, Andik Isdianto, M. Arif Asadi, Kristina Marsela, Luthfia Ayu Dhea, Nico Rahman Caesar, Irwan Jatmiko
Pages 96-108
Optimization of Water Distribution Based on Head loss Analysis Using EPANET Software
Desy Fitria Wulandari, Agus Subekti, Agung Tjahjo Nugroho
Pages 109-118
Numerical Solution of Anisotropic Diffusion with Localized Source Using Euler Scheme and Finite Element Method
M. Ziaul Arif, Millatuz Zahroh, Sailah Ar Rizka
Pages 119-130