Penerbit: Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung
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Ditemukan 116 artikel.
Electrical Characteristics of Chitosan-Carrageenan Membrane Implementation and Salt Bridge in Microbial Fuel Cell Using Yeast Fermented Cassava Waste Substrate
Oleh: Srinurfitri, Ferina , Supriyanto, Amir , Pauzi, Gurum Ahmad
A Microbial Fuel Cell (MFC) is an electrochemical system that generates energy utilizing waste as a substrate and the results of microbial metabolism processes. This research utilizes yeast fermented cassava waste as a substrate to determine the electrical characteristics of PEM in the form of a chi...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 3 No. 3 (2022): Journal of Energy, Material, and Instrumentation Technology; 105 - 114
Heating Rate Control in Electric Furnace with SSR and K-Type Thermocouple Using Arduino Uno Atmega 328P
Oleh: Pratama, Bayu Ega, Pauzi, Gurum Ahmad, Suciyati, Sri Wahyu
Electric furnace is a tool that can be used to melt, heat, and change the physical shape of a substance. Electric furnaces sold in the market are still relatively expensive, therefore it is necessary to make an electric furnace at a low cost. This research designed...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 4 No. 1 (2023): Journal of Energy, Material, and Instrumentation Technology; 10-18
Design of a Classroom Noise Monitoring Tool Using a KY-037 Sound Sensor Based on Wemos D1R1
Oleh: Rifqah, Raden Ayu Nurfadhillah, Suciyati, Sri Wahyu, Surtono, Arif
The noise level in the room is one of the factors that can influence teaching and learning activities. Research on classroom noise levels has been done using the Wemos D1 R1-based KY-037 sound sensor. This research aims to determine the noise level in the classroom and be able to monitor the noise l...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 4 No. 4 (2023): Journal of Energy, Material, and Instrumentation Technology; 125 - 135
The Effect of Immersion Time on Corrosion Rate on St37 Carbon Steel in 3% NaCl Corrosive Medium Using Waru Leaves Extract Inhibitor
Oleh: Sinaga, Fredison Dian , Suka, Ediman Ginting, Karo, Pulung Karo
The research of effect of immersion time on the corrosion rate of St37 carbon steel has been conducted in a 3% NaCl corrosive medium using a hibiscus leaves extract inhibitor. The samples of carbon steel St37 were immersed in a corrosive medium of NaCl 3% without being given and given the inhibitor ...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 4 No. 3 (2023): Journal of Energy, Material, and Instrumentation Technology; 99 - 105
Design of Computer Based 12 Lead ECG Using STM32F401 Microcontroller
Oleh: Darmawan, Reyhan Issatyadi , Surtono, Arf, Apriyanto, Donni Kis
The research of designing computer-based 12 lead ECG using STM32F401 microcontroller has been done. ECG is a healthcare device recording heart electrical activity and assesses heart condition. ECG was chosen for health condition check-ups because it is low-cost and can monitor heart conditions in re...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 3 No. 4 (2022): Journal of Energy, Material, and Instrumentation Technology; 147-156
Efektivitas Ekstrak Daun Jambu Biji (Psidium Guajava l.) Sebagai Inhibitor Pada Baja Karbon St37 dalam Medium Korosif NaCl 3%
Oleh: Mardiana, Dian , Ginting, Ediman, Riyanto, Agus
The effectiveness of guava leaf extract as an inhibitor of St37 carbon steel in a corrosive medium of 3% NaCl had been researched. The concentration of guava leaf extract inhibitor was used 0%. 3%. 5% and 7% with immersion time of 4 and 8 days. Corrosion rate testing was done by weight loss method. ...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 1 No. 3 (2020): Journal of Energy, Material, and Instrumentation Technology; 119 - 125
Ekstrak Daun Pandan Sebagai Inhibitor Korosi Baja St37 Dalam Larutan NaCl 3% dengan Suhu Perendaman 27°C dan 40°C
Oleh: Ulum, Siti Fatkhul , Ginting, Ediman, Sembiring, Simon
The extract of pandan leaf used as corrosion inhibitor of St37 steel in NaCl 3% solution. To determine the effect of inhibitor concentration and immersion temperature on steel corrosion is done with variation of inhibitor concentration there were 0, 1,8, 1,2, and 1,4% and temperature variation is 27...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 1 (2021): Journal of Energy, Material, and Instrumentation Technology; 30 - 38
The Microbial Fuel Cell Characteristics of the PVA/Chitosan Membrane with Variations of Phosphate Acid and Sodium Alginate Derived from Vegetable Waste
Oleh: Nugraha, Iqbal Adi, Supriyanto, Amir, Pauzi, Gurum Ahmad
Microbial Fuel Cell (MFC) is one of the alternative energy sources as a producer of vegetable waste. The membrane that is commonly used in the MFC system is the Nafion membrane, but it is expensive and must be imported. PVA membrane and chitosan are an alternative substitute for Nafion membrane. The...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 4 No. 4 (2023): Journal of Energy, Material, and Instrumentation Technology; 136 - 143
Pengaruh Laju Penambahan Doping Fosfor terhadap Aktivitas Fotokatalis Nanotitania Menggunakan Metode Sol Gel
Oleh: Yunita, Yunita, Manurung, Posman, Riyanto, Agus
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Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 2 (2021): Journal of Energy, Material, and Instrumentation Technology; 59 - 65
Pengaruh Waktu Penambahan Doping Sulfur terhadap Luas Permukaan dan Struktur Kristal Nanotitania Menggunakan Metode Sol Gel
Oleh: Dewi, Anggi Puspita, Manurung, Posman, Syafriadi, Syafriadi
Sintesis titania doping sulfur (S-TiO2) dilakukan melalui metode sol-gel. Titanium isopropoksida (TTIP), tween-80, isopropanol dan asam sulfat (H2SO4) sebagai sumber doping sulfur digunakan sebagai bahan utama. Penelitian ini bertujuan untuk mengetahui pengaruh variasi waktu penambahan doping sulfur...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 2 (2021): Journal of Energy, Material, and Instrumentation Technology; 65 - 71