Penerbit: Department of Physics, Faculty of Mathematics and Natural Science, University of Lampung
P-ISSN: 2747-2043
E-ISSN: 2747-299X
DOI: 10.23960/jemit
Fakultas Matematika dan Ilmu Pengetahuan Alam Fisika dan Astronomi Arsitektur
Artikel (130)
Design and Development of a Measuring Instrument for Cholesterol Level Detection in The Blood Using Non-Invasive Techniques Based on the Wemos D1 R1 Microcontroller
Yuniar, Noeris, Supriyanto, Amir, Ayu, Humairoh Ratu
Cholesterol level checks are generally performed either invasively or using a portable blood test strip. It requires a long laboratory analysis time and causes pain in the body, so a non-invasive tool is needed to check cholesterol levels. The study aims to detect cholesterol levels in the blood wit...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 3 (2025): Journal of Energy, Material, and Instrumentation Technology; 108-116 | 2025
Hybrid DFT-ML-MD Approach for Derivation of Lennard-Jones Interatomic Potential Parameters of Al
Arkundato, Artoto, Widiasih, Ratnadewi, Anak Agung Istri Ratnadewi
Atomistic simulation based on computational physics of methods is used to develop accurate interatomic potentials based on DFT (density functional theory) data. The accuracy of predicting the physical properties of a material is highly dependent on the quality of the interatomic potential used. The ...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 2 (2025): Journal of Energy, Material, and Instrumentation Technology; 97-107 | 2025
Electrical Design and Characterization of Plant Microbial Fuel Cell (PMFC) Using Water Hyacinth Plants with Variation of The Amount of Water and The Effect of Sunlight
pubiyanti, Intan, Suciyati, Sri Wahyu, Apriyanto, Donni Kis
Research on Plant Microbial Fuel Cells (PMFCs) has begun to develop, and various types of plants have been used. This research has realized PMFC using hyacinth plants by diversifying the amount of water and the effects of sunlight. The electrical properties of PMFCs aim to determine the effect of va...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 2 (2025): Journal of Energy, Material, and Instrumentation Technology; 48-53 | 2025
Effect of Corona Plasma Radiation on the Contact Angle and Wettability of Bamboo Surface
Alfajrin, Achmad Chalid Afif, Muhlisin, Zaenul , Komariah, Rahma Nur
Bamboo is a widely utilized non-timber forest product, often innovated into laminated boards, particle boards, and plywood. The outer bamboo surface (skin) possesses high compressive strength but exhibits hydrophobic properties, limiting its wettability toward liquids. Plasma corona technology, oper...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 2 (2025): Journal of Energy, Material, and Instrumentation Technology; 71-79 | 2025
Initial Study of Intrusion on The Serambi Nusantara Coast Using Geoelectrical Methods
Delianti, Delianti, Choerullah, Andy , Muslim, Anis Aulia
The Serambi Nusantara area, based on geological conditions, has alluvial formations with sand that almost dominates, interspersed with clay rock throughout the location with swamp conditions in most parts of the area. Morphologically, Serambi Nusantara is a coastal area. Most of the population in th...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 2 (2025): Journal of Energy, Material, and Instrumentation Technology; 66-70 | 2025
Utilization of the Hall Effect to Detect Leakage Current in DC System Branch Loads Using the Positive-Negative Current Difference Method
Kamal, Ahmad ilham, Dona, Nur Rahma
Currently, many industries use DC power as a power supply for controller equipment, etc. All companies want their DC system to be reliable. One effort to maintain the reliability of the DC system is to monitor the leakage current in each branch of the DC system load. Leakage currents that occur if n...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 2 (2025): Journal of Energy, Material, and Instrumentation Technology; 60-65 | 2025
Overpotential Analysis of High-Voltage Seawater Battery Using Silver-Coated Copper Cathode Based on the Butler-Volmer Equation
Pauzi, Gurum Ahmad, Rianita Baiti, Supriyanto, Amir
The overpotential characteristics of a high-voltage seawater battery system were systematically analyzed, employing a silver-coated copper cathode and a zinc anode. This study evaluated the system's electrochemical performance using a quantitative approach based on the Butler-Volmer equation. The ex...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 2 (2025): Journal of Energy, Material, and Instrumentation Technology; 90-96 | 2025
Manufacture of Nanocellulose from Red Onion Peel Waste Using Acid Hydrolysis Method with Variation of H2SO4 Concentration
Shabrina, Shabrina Yakosati, Manurung, Posman, Suciyati, Sri Wahyu
The manufacture of nanocellulose from red onion peel waste has been carried out using the acid hydrolysis method using H2SO4. This study aims to determine the effect of variations in the concentration of H2SO4 on the size of nanocellulose crystallites from onion peels and the surface morphology of n...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 2 (2025): Journal of Energy, Material, and Instrumentation Technology; 54-59 | 2025
Sand Deposit Control Strategy on Centrifugal Pump Type Overhung 4 Size 4x11 Using API 682 Piping Plan 13
Malik, Miftahul Fahrizal Nur, Hidayati, Noor, kamal, Dianta Mustofa
Centrifugal pumps type Overhung 4 size 4x11 often experience sand deposits and erosion problems, especially in the oil and gas industry, resulting in reduced productivity and increased repair costs. This study evaluates the application of the Piping Plan 13 API 682 as a solution to this problem. The...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 1 (2025): Journal of Energy, Material, and Instrumentation Technology; 39-46 | 2025
Differential and Cumulative Particle Size Distribution Analysis using Home Made Sieving Equipment
Putri, Runita Rizkiyanti, Pradana, Johannes Aria, Kurniawan, Matthew Darrell
Particulate solids remain the most commonly used materials in the industry due to their characteristics, such as stability, purity, and ease of transportation. Particle size is one of the physical characteristics of a particulate solid that may affect its chemical characteristics. Hence, understandi...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 1 (2025): Journal of Energy, Material, and Instrumentation Technology; 29-38 | 2025