Issue
Vol. 27 No. 03 (2026): Eksakta : Berkala Ilmiah Bidang MIPA (E-ISSN : 2549-7464)
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EKSAKTA: Berkala Ilmiah Bidang MIPA
May-June 2026
(5)
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EKSAKTA: Berkala Ilmiah Bidang MIPA 17
Peak Ground Acceleration Mapping of Indonesia Using Complementary Area Source and Smoothed Seismicity Approaches
In Indonesia, the choice between area source and smoothed seismicity approaches has been driven by data availability rather than scientific evaluation, and no systematic comparison of both methods at the national...Eka Nioisa Br Surbakti
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Ardian Saputra
,
Rizki Wulandari
,
Yudha Styawan
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EKSAKTA: Berkala Ilmiah Bidang MIPA 17
Roselle (Hibiscus sabdariffa L.) Tea Protects Against Alcohol-Induced Renal Toxicity by Enhancing Endogenous Antioxidant Defence in Wistar Rats
In Indonesia, the choice between area source and smoothed seismicity approaches has been driven by data availability rather than scientific evaluation, and no systematic comparison of both methods at the national...Putri Dafriani
,
Eliza Arman
,
Annita Annita
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EKSAKTA: Berkala Ilmiah Bidang MIPA 17
Spatial-Temporal Analysis of b-value Before and After the 2018 Lombok Earthquake Using OK1993 Based on Voronoi in the Bali-NTB Region
This study is motivated by the tectonic complexity of the Bali-NTB region, which results in a heterogeneous seismic distribution and active stress dynamics. The objective is to analyze the spatiotemporal evolution of...Tata Dwi Hardi Yanti
,
Yudha Styawan
,
Rizki Wulandari
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EKSAKTA: Berkala Ilmiah Bidang MIPA 17
Influence of Species, Growing Site, and Postharvest Leaf Handling on the Yield and Chemical Composition of Cajuput Oil (Melaleuca spp.) from Seram Island, Indonesia
Cajuput (Melaleuca spp.) is a high-value non-timber forest product in Seram Island, Maluku. The quality of cajuput oil is primarily determined by its 1,8-cineole (eucalyptol) content, which is influenced by genetic,...Imanuel Berly Delvis Kapelle
,
Fensia Analda Souhoka
,
Nini Munirah Renur
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EKSAKTA: Berkala Ilmiah Bidang MIPA 17
Effectiveness Of The Emo Demo Module On Malaria Prevention Behavior In The Working Area Of The Sioban Community Health Center, Mentawai Islands Regency
Malaria remains a serious disease with high morbidity and mortality rates, particularly among vulnerable groups. Ideally, the community should possess the knowledge, attitudes, and behaviors necessary for effective...Erick Zicof
,
Widdefrita
,
Darwel
,
Rahmad Sudiyat
,
Dinda Wahyuni
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EKSAKTA: Berkala Ilmiah Bidang MIPA 17
Residual-Based Analysis of the Mismatch Between LoRa Channel Models and Field Measurements in Urban and Rural Environments
This study investigates discrepancies between classical propagation models (Okumura-Hata, CI, FI) and LoRa field measurements in urban and rural environments. While rural areas exhibited linear path loss trends,...Muhamad Bagus Fikril Alan
,
Pradini Puspitaningayu
,
Nurhayati Nurhayati
,
Muhammad 'Aamir Nashrullah
,
Nobuo Funabiki
,
Erwin Sutanto
,
Fahmi Fahmi
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EKSAKTA: Berkala Ilmiah Bidang MIPA 17
The Effect of Adding Ruku-Ruku Plant Essential Oil (Ocimumm tenuiflorum L.) as a Source of Antioxidants in Lip Balm Preparations
This study aims to evaluate the effect of adding ruku-ruku (Ocimum tenuiflorum) essential oil on the characteristics and antioxidant activity of lip balm, as well as to determine the best formulation. The research...Diana Sylvi
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Tuty Anggraini
,
Anggun Anggun
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EKSAKTA: Berkala Ilmiah Bidang MIPA 17
Planting Media Composition Drives Vegetative Establishment and Biomass Accumulation of Grapevine Stem Cuttings under Tropical Nursery Conditions
The success of grapevine (Vitis vinifera L.) propagation through stem cuttings is strongly influenced by planting media quality during the nursery stage. Under tropical lowland conditions, unstable root-zone...Wisnaningsih
,
Moh Haris Imron S Jaya
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EKSAKTA: Berkala Ilmiah Bidang MIPA 17
Data Acquisition System for Exothermic and Endothermic Reaction: A Novel Laboratory Approach in Chemistry Learning
The determination of exothermic and endothermic reactions using conventional thermometers is often constrained by limitations in visualization and objectivity during practical activities. This study aims to...Siti Nuryani
,
Ijang Rohman
,
Miarti Khikmatun Nais
,
Gun Gun Gumilar
,
Muhamad Nurul Hana
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EKSAKTA: Berkala Ilmiah Bidang MIPA 17
Analysis of Fault Plane and Distribution of Coulomb Stress Changes of the Mw 7.8 Earthquake Southwest of Sumatra
The Mw 7.8 earthquake that occurred southwest of Sumatra on March 2, 2016, at a depth of 24 km represents a major seismic event within the Sunda subduction zone, significantly influencing regional stress conditions....Gabriela Gabriela
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Kelly Lasofia Br Girsang
,
Rizki Wulandari
,
Yudha Styawan
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EKSAKTA: Berkala Ilmiah Bidang MIPA 17
Effects of Radiation on the Histology of the Tongue and Lip Mucosa in Rats : Preliminary Research
The tongue and lip mucosa, as tissues with high cell proliferation rates, are highly susceptible to injury caused by ionizing radiation. This study aimed to evaluate histological changes in the tongue and lip mucosa...Sagita Yudha
,
Aisyah Elliyanti
,
Eti Yerizel
,
Sukri Rahman
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EKSAKTA: Berkala Ilmiah Bidang MIPA 17
A Comparative Study of Community Structure and Plankton Abundance in Seaweed Cultivation Areas in Puntondo, Takalar Regency
Healthy tropical coastal waters ideally have a diverse plankton community, which serves as an indicator of optimal ecological stability. Monitoring based on the analysis of plankton community structure is required as...Rafikah Amalia
,
Nita Rukminasari
,
Muh. Tauhid Umar
,
Irmawati Irmawati
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EKSAKTA: Berkala Ilmiah Bidang MIPA 17
Synthesis of Nano alfa-Cellulose-Based Bioplastic from Empty Fruit Bunches of Palm Oil
Cellulose, as a renewable resource, has recently emerged as a primary focus for researchers aiming to develop sustainable biomaterials. FTIR spectra show that there is no significant difference between them....Benny Rio Fernandez
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Rycce Sylviana Pratikha
,
Sari Farah Dina
,
Poltak Evencus Hutajulu
,
Gimelliya Saragih
,
Dafina Ariza
,
Indah Fitri Ramadhani
,
Yosef Boy Wijaya Sinaga
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EKSAKTA: Berkala Ilmiah Bidang MIPA 17
Fluid Flow Analysis in Cisarua Hot Spring, South Lampung: A Study Using Geoelectric and Induced Polarization Methods
Characterization of subsurface hydrothermal fluid flow pathways is essential for exploration and sustainable development of fault-controlled, non-volcanic geothermal systems. The Cisarua Hot Spring in Natar District,...Fadhiah Nurul Aini
,
Joan Margareth Sihol Marito S
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Selvi Misnia Irawati
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EKSAKTA: Berkala Ilmiah Bidang MIPA 17
Vehicle Inspection Forecasting Through Temporal Signal Processing and Ensemble Machine Learning
Vehicle inspection services are essential for maintaining transportation safety and regulatory compliance. However, daily inspection volumes in developing regions exhibit high stochastic fluctuations due to...Bambang Sismanto
,
Nurhayati Nurhayati
,
Raden Roro Hapsari Peni Agustin Tjahyaningtijas
,
Ja'afar Mahmud
,
Raimundo Eider Figueredo
,
Atul Varshney
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EKSAKTA: Berkala Ilmiah Bidang MIPA 17
Integration of Risk Thresholds into Enterprise Risk Management (ERM) Implementation in An Energy Company
All state-owned enterprises are obligated to implement risk management effectively. Risk management implementation can be assessed using the Risk Maturity Index (RMI). The 2024 RMI assessment at one of the...Willy Januardi
,
Putu Dana Karningsih
,
Demi Ramadian
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EKSAKTA: Berkala Ilmiah Bidang MIPA 17
Characterization and Quality Analysis of Puff Pastry Made with Corn-Based Dough
This study aimed to analyze the dough characteristics and quality of puff pastry with corn flour as a partial substitute for wheat flour. The use of local ingredients such as corn is important for supporting food...Anni Faridah
,
Juliana Siregar
,
Rahmi Holinesti
,
Ranggi Rahimul Insan
,
Wiwik Indrayeni
,
Fitriyasih Fitriyasih
,
Ade Raimuna
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