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 (116)
Design of a Website-Based Realtime Noise Monitoring System in the Work Environment as a Support for Occupational Health and Safety (OHS) Data
Febriyanti, Nur Tasya , Pauzi, Gurum Ahmad , Ayu, Humairoh Ratu
Penelitian mengenai alat monitoring tingkat kebisingan telah direalisasikan menggunakan sensor suara GY Max 4466 dengan mikrokontroler ESP Wroom 32 berbasis website. Penelitian ini bertujuan untuk mengetahui tingkat kebisingan di lingkungan kerja dan dapat memonitoring tingkat kebisingan berbasis we...
Journal of Energy, Material, and Instrumentation Technology; Vol. 5 No. 2 (2024): Journal of Energy, Material, and Instrumentation Technology; 56 - 64 | 2024
Exploration the Influence of Ag+ Ion Solution Concentration Variations Coated on Biofoam Based on Cassava Starch and Corn Fiber on Crystallinity, Density, and Porosity
Ginting, Pariaman, Sutiarno, Sutiarno, Wijaya, Galang Haedi
The bio-foam in this study was made from biopolymers in the form of cassava starch, cellulose from corn stalks, and a binder polymer in the form of polyvinyl alcohol (PVA). The bio-foam was molded using the thermo pressing method at T = 150 °C and pressed for t = 3 minutes. Ag+ ions were added as a...
Journal of Energy, Material, and Instrumentation Technology; Vol. 5 No. 2 (2024): Journal of Energy, Material, and Instrumentation Technology; 50 - 55 | 2024
The Effect of H2SO4 Variations on the Synthesis and Characterization of Nanocellulose Using Pineapple Peel Fiber
Sitohang, Rosanti, Manurung, Posman , Suciyati, Sri Wahyu
Manufacturing nanocellulose made from pineapple peel fiber has been carried out using acid hydrolysis. This study aims to determine the effect of variations in H2SO4 on the synthesis of nanocellulose in pineapple peel fibers and on the crystal structure, surface morphology, and constituent elements ...
Journal of Energy, Material, and Instrumentation Technology; Vol. 5 No. 2 (2024): Journal of Energy, Material, and Instrumentation Technology; 43 - 49 | 2024
Prototype of a Digital Measuring Device Based on Atmega 328P for Measuring Current, Voltage, Electrical Power, and RLC Components
Putri, Risa Amelia , Supriyanto, Amir , Surtono, Arif
Research on digital measuring device prototypes has developed over the past few years. However, there are still challenges in measuring current, voltage, electrical power, and RLC component parameters accurately. This research aims to design a digital system to measure electrical quantities such as ...
Journal of Energy, Material, and Instrumentation Technology; Vol. 5 No. 2 (2024): Journal of Energy, Material, and Instrumentation Technology; 72 - 80 | 2024
FTIR, XRD, and SEM-EDX Characterization of Synthesized B-Type Carbonated Hydroxyapatite (CHAp) Based on Crab Shells
Muarif, Muhamad Fajar , Yusuf, Yusril , Agipa, Ade Irmadiki
The synthesis and characterization of B-type CHAp based on mangrove crab shells (Scylla serrata) as a source of calcium using the precipitation method has been successfully carried out. Based on the FTIR results, the substitution of carbonate ion for phosphate, which indicates the formation of B-typ...
Journal of Energy, Material, and Instrumentation Technology; Vol. 5 No. 1 (2024): Journal of Energy, Material, and Instrumentation Technology; 35-42 | 2024
Computational Exploration of Intrinsic Rashba Splitting in Janus Si2SbBi Monolayer Using Density Functional Theory
Affandi, Yusuf, Darojat, Yusron, Anshory, Muhammad
In this paper, we investigate the electronic structure of Janus Si2SbBi monolayer and compare it with the non-polar systems Si2Bi2 and Si2Sb2 monolayer based on Density Functional Theory (DFT) calculation. According to the first-principles calculation, these systems exhibit semiconductor properties ...
Journal of Energy, Material, and Instrumentation Technology; Vol. 5 No. 1 (2024): Journal of Energy, Material, and Instrumentation Technology; 28-34 | 2024
Production of an Orbital Shaker Device with Time and Rotational Speed Control Using Potentiometer Based on Arduino Uno
Vicias, Icha Arum , Pauzi, Gurum Ahmad , Ayu, Humairoh Ratu
Mixing solutions is an everyday activity performed in laboratory spaces. Mixing solutions manually by shaking is less effective, as it takes a long time and requires much effort. Therefore, an orbital shaker has been created to mix solutions with a digital unidirectional movement. This device is des...
Journal of Energy, Material, and Instrumentation Technology; Vol. 5 No. 1 (2024): Journal of Energy, Material, and Instrumentation Technology; 17-27 | 2024
Design and Electrical Characterization of Plant Microbial Fuel Cell (PMFC) Using Eichhornia crassipes by Varying the Electrode Distance and Effect Light of the Sun
Suryani, Mei , Pauzi, Gurum Ahmad, Junaidi, Junaidi
The Plant Microbial Fuel Cell (PMFC) design using water hyacinth has been successfully created. The PMFC was then treated by varying the distance of the electrode and giving the effect of sunlight. The electrodes used are Cu-Zn pairs where the electrode distance varies, with values of 3, 6, 9, and 1...
Journal of Energy, Material, and Instrumentation Technology; Vol. 5 No. 1 (2024): Journal of Energy, Material, and Instrumentation Technology; 10-16 | 2024
Analysis of the Effect of Variations of Silica Concentration on Synthesis γ-Al2O3
Fuadiyah, Nadhifatul, Marjunus, Roniyus, Rustyawan, Wawan
Research has been carried out to analyze the effect of variations in silica concentration on the synthesis of γ-Al2O3. This research was conducted to determine the variation of Silica against the support γ-Al2O3which is the best as a hydrotreating catalyst in the green fuel indus...
Journal of Energy, Material, and Instrumentation Technology; Vol. 5 No. 1 (2024): Journal of Energy, Material, and Instrumentation Technology; 1-9 | 2024
Influence Variation Concentration Zn(NO3)2·6H2O Against Group Function, Size Particles, and Morphology Particle Nanoparticles ZnO with Method Green Synthesis Using Extract Leaf Moringa
Benyamin, Chairunissa A, Manurung, Posman, Suprihatin, Suprihatin
This research was conducted to determine the effect of varying concentrations of Zn(NO3)2·6H2O (zinc nitrate hexahydrate) on functional groups, particle size, and particle morphology of ZnO nanoparticles using the green synthesis method using Moringa leaves. The materials was used in this study wer...
Journal of Energy, Material, and Instrumentation Technology; Vol. 4 No. 3 (2023): Journal of Energy, Material, and Instrumentation Technology; 117-124 | 2024