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SciencePlus
Published by Barkah Publishing
ISSN : -     EISSN : 30903564     DOI : https://doi.org/10.2025/sp.v1i1
Core Subject : Health, Science, Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Energy Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Medicine & Pharmacology Neuroscience Nursing Physics Veterinary
SciencePlus is a journal published by Barkah Publishing with the aim of accommodating research in the fields of Science, Environment and Technology. The SciencePlus Journal is a place for information in the form of research results, ideas, theoretical applications and critical analysis studies in relevant research fields. SciencePlus publishes comprehensive research articles by involving reviewers from leading and competent experts in their fields. Articles submitted will be selected based on the best scientific studies, provide important renewal values, and are in great demand by the public in the field of science. SciencePlus was first published in 2025 and is published periodically twice a year, namely in March and October
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 6 Documents
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Search results for , issue "vol. 2 no. 1 (2026): scienceplus" : 6 Documents clear
IDENTIFICATION OF THRESHER MAINTENANCE MECHANISMS IN A PALM OIL PROCESSING PLANT AT PT. BEURATA SUBUR PERSADA (BSP), NAGAN RAYA Ahmad Arafi; Riza Ulhaq; Abdiel Khaleil Akmal; Fajar Okta Widarta
SciencePlus Vol. 2 No. 1 (2026): SciencePlus
Publisher : Barkah Publishing

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Abstract

In the era of globalization, industrial development requires companies to maintain efficient and sustainable production systems. One of the critical components in palm oil processing is the thresher machine, which functions to separate fruits from fresh fruit bunches (FFB). This study aims to analyze the maintenance mechanism of the thresher machine at PT. Beurata Subur Persada using a qualitative descriptive approach. Data were collected through interviews, direct observations, and literature studies. The results show that the thresher machine plays a vital role in ensuring the continuity of the production process, and its performance is highly dependent on proper maintenance practices. The company implements a preventive maintenance system consisting of routine, weekly, monthly, and annual activities, including inspection, cleaning, repair, and component replacement. These maintenance practices have proven effective in improving machine reliability, extending component service life, and minimizing unexpected failures. However, several challenges remain, such as component wear, potential leakage, and insufficient maintenance documentation. Therefore, improvements in maintenance management, including systematic recording, enhanced monitoring, and workforce training, are necessary to optimize machine performance. Overall, effective preventive maintenance contributes significantly to operational efficiency and sustainability in palm oil production.
ASSESSMENT OF HEAVY METAL IMPACT ON TOPSOIL PHYSICOCHEMICAL PROPERTIES IN MGBUKA OBOSI MECHANIC VILLAGE, NIGERIA Chike Pius Nwachukwu; Chukwuemeka Obumneme Umobi; Louis Chukwuemeka Orakwe; Luke Okwuchukwu Uzoigwe; Victor Obinna Alaribe
SciencePlus Vol. 2 No. 1 (2026): SciencePlus
Publisher : Barkah Publishing

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This study assessed the concentration, distribution, and contamination levels of selected heavy metals in soils from Mgbuka Obosi Mechanic Village, Anambra State, Nigeria, with comparison to a control site at Idemili Farms. Soil samples were collected at depths of 0–30 cm and 30–60 cm and analyzed for heavy metals including cadmium (Cd), chromium (Cr), copper (Cu), iron (Fe), lead (Pb), and zinc (Zn) using Atomic Absorption Spectrophotometry. Physicochemical properties such as soil pH, moisture content, particle size, bulk density, organic carbon, and nutrient composition were also determined. Results showed higher concentrations of heavy metals in the mechanic village compared to the control site, with the order of abundance as Cu > Fe > Zn > Pb > Cd > Cr. Although most metal concentrations were below permissible limits, contamination factor (CF) and pollution load index (PLI) values indicated moderate contamination, which increased with soil depth. Soil properties revealed slightly acidic conditions, reduced moisture content, and altered nutrient levels in the study area, likely due to continuous anthropogenic activities such as oil spills and metal waste disposal. The enrichment factor (EF) suggested minimal to moderate anthropogenic influence. Overall, the findings highlight potential environmental and health risks associated with prolonged exposure to contaminated soils in mechanic villages. The study recommends immediate intervention and sustainable waste management practices to mitigate further soil degradation and protect surrounding agricultural lands.
E-MODULE DESIGN FOR THE AUDIO VIDEO SYSTEM DESIGN COURSE BASED ON EPUB satia fazria; Hari Anna Lastya
SciencePlus Vol. 2 No. 1 (2026): SciencePlus
Publisher : Barkah Publishing

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This research is motivated by the unavailability of EPUB-based e-modules in the Audio Video System Design course, so that more interesting, interactive, and easily accessible learning media are needed. The purpose of this research is to design and determine the feasibility of EPUB-based interactive e-modules as learning media. The method used is Research and Development (R&D) with the Borg & Gall model simplified to the product revision stage, through design planning with Canva, conversion to EPUB using Convert.io, and the addition of interactive features through Kotobee Author. The validation results show that the e-module obtained a feasibility percentage from media experts with an average score of 85%, and from material experts at 91%, all of which are in the very feasible category. Thus, the developed EPUB-based interactive e-module is declared valid, practical, and suitable for use as a learning medium in the Audio Video System Design course.
PLANT-BASED NATURAL DYES IN MONTASIK DISTRICT Eriawati; Nurdin Amin; Ita Kausari
SciencePlus Vol. 2 No. 1 (2026): SciencePlus
Publisher : Barkah Publishing

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Additive substances are materials deliberately added to food to influence its properties and characteristics. These additives include, among others, food colorings and flavor enhancers. Food coloring refers to substances used to impart or improve the color of food, whereby natural colorings are derived from plants that have the potential to produce various hues. This study aims to identify plant species used as natural dye materials by the community in Montasik. The research employs a qualitative descriptive approach using purposive sampling. Data were collected through interviews, observation, and documentation. The findings reveal 13 plant species used as natural dyes, belonging to 10 families. The results indicate that pandan (Pandanus amaryllifolius) was used by 70 respondents, suji (Dracaena angustifolia) by 67 respondents, Kunyit (Curcuma longa L.) by 65 respondents, Kembang telangflower (Clitoria ternatea) likewise by 65 respondents, and purple sweet potato (Ipomoea batatas L.) by 60 respondents.
Comparative Evaluation of Mechanical, Structural, and Morphological Properties of Corncob Ash and Graphite-Filled Epoxy Composites Oluwaseyi Omotayo Taiwo; Darlington Chinaza Amadi; Binah Somtochukwu Ojiyi; Nmesoma Godswill Ofomata; Blessed Obinna Mayor; Oluwasegun Biodun Owolabi
SciencePlus Vol. 2 No. 1 (2026): SciencePlus
Publisher : Barkah Publishing

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This study presents a comparative investigation of the mechanical, structural, and morphological properties of epoxy composites reinforced with corncob ash (CCA) and graphite fillers at varying weight percentages (0–25 wt%). Composite specimens were fabricated using the hand lay-up technique and characterised through tensile, flexural, impact, and hardness tests, complemented by X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy-dispersive X-ray (EDX) analyses. The results revealed that corncob ash epoxy composites exhibited a maximum tensile strength of 14.34 MPa at 25 wt% filler loading, while graphite epoxy composites achieved the highest tensile strength of 13.24 MPa at 5 wt% loading. The highest Vickers hardness values were 25 HV and 22.37 HV for CCA and graphite composites at 25 wt%, respectively. Graphite composites demonstrated superior impact strength (5.44 J at 25 wt%), while CCA composites showed comparable performance (5.17 J at 0 wt% control). Flexural strength peaked at 15 wt% for both fillers, with graphite composites reaching 38.77 MPa and CCA composites achieving 32.24 MPa. XRD analysis confirmed crystalline phases in both composite systems, and SEM/EDX characterisation revealed the dispersion behaviour and elemental composition of the fillers within the epoxy matrix. The findings suggest that corncob ash, an agricultural waste material, is a viable and sustainable alternative to conventional graphite filler in epoxy composite applications, offering comparable mechanical performance with significant environmental and economic advantages
Improving Power Supply Efficiency in Smart Grids Via Renewable Energy Adoption in Nigeria Godspower Onyekachukwu Ekwueme
SciencePlus Vol. 2 No. 1 (2026): SciencePlus
Publisher : Barkah Publishing

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Abstract

At the moment, Nigeria is experiencing great problems within its energy sector, which is evident from the state of the socio-economic lives of its people. However, there is great room for improvement through application of innovation. Adoption of smart grid systems within Nigeria’s energy sector will become imperative due to their ability to ensure efficient production, distribution, and consumption of energy in the future. The use of intelligent grids may be instrumental in overcoming persistent problems associated with poor supply of electricity, as well as reducing pressures on the national grid. Renewable energy systems, especially solar PV systems, are also innovative and sustainable energy production methods that can be adopted in Nigeria. Due to availability and reliability of solar energy, its adoption is likely to solve problems associated with grid instability and breakdowns. Notably, integration of smart energy solutions in Nigeria faces some key challenges

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