11 articles in this issue
Andrew Joewono,Peter R Angka,Rasional Sitepu*,Yuliati Yuliati
The potential for generating electricity from solar energy as one of the renewable energies is suitable for rural areas, small populations, or communal systems. However, this type of power plant requires a high investment budget. Photovoltaic power system... see more
Siti Maisarah,Muliadi Ramli*,Minnati Rana Maisarah,Dini Satrina,Surya Lubis,Rara Mitaphonna,Desi Novita
This research has utilized fish bone wastes of tuna (Katsuwonus pelamis) collected at the Lampulo fish market in Banda Aceh. Inorganic oxides have been derived from those fish bone wastes through the decomposition method at high temperatures, namely the c... see more
Muhammad Fajar Rifai,Indah Widiastuti*,Taufik Wisnu Saputra
Agra-forestry waste and recycled polypropylene have been combined to create sustainable composite materials for use in automotive applications in response to increased environmental concern over the depletion of petroleum-based resources. In this study, a... see more
Jakfar Jakfar*,Husni Husin,Fahrizal Nasution,Ahmadi Ahmadi
Conventional noni juice production was placing ripe noni fruits into a juice collection vessel for two months or longer. During this time, the noni juice separates (drips) gradually from the pulp. Recent studies have shown that acid catalysts have advanta... see more
Tyosue Christopher Kpega,James Dama Habila,Idongesit Edem Okon*,Patricia Adamma Ekwumemgbo
Green synthesis of metal oxide nanoparticles has gained prominence in recent years, resulting from the absence of toxic chemicals, low energy requirement, and eco-friendliness. This paper reports the green synthesis of zinc oxide nanoparticles (ZnO-NPs) u... see more
Mahrani Arfah*,Vivi Anggraini
This research was conducted at PT. Socfindo Kebun Mata Pao is one of the industrial companies engaged in palm oil processing. The main raw material used in processing Crude Palm Oil (CPO) is Fresh Fruit Bunches (FFB), where the FFB used must be based on g... see more
Nur Azizah Affandy*,Data Iranata,Nadjadji Anwar,Mahendra Andiek Maulana,Dedy Dwi Prastyo,Zulkifli Yusop,Wasis Wardoyo
Hydrological drought analysis in a river basin is crucial because it impacts water resource management, agriculture, drinking water supply, industry, ecology, and disaster risk mitigation. It plays a key role in water usage planning, safeguarding agricult... see more
Rita Khathir*,Edi Kurniawan,Yunita Yunita,Syafriandi Syafriandi
Drying cacao has been conducted by open-sun drying systems by farmers worldwide. To improve the cacao drying, the use of solar dryers can be applied. The objective of this study was to evaluate the drying characteristics of using a modified solar tunnel d... see more
Fuad Anwar,Mohtar Yunianto*,Rahmanisya Fani Aisha Putri
Research has been conducted on detecting tuberculosis (TB) using machine learning. In this study, chest X-ray (CXR) image data was used with a pixel value of 512 x 512 and PNG format consisting of normal lung images and TB-infected lung images in a 50:50 ... see more
Anggun Puspitarini Siswanto*,Intan Ardina Damayani
As energy needs continue to rise in line with the use of fossil energy, which is difficult to renew, other alternative energy is needed to continue to meet current and future energy needs. One alternative energy that is easy to produce is biodiesel. One o... see more
Rini Kusumawardani*,Arief Kusbiantoro,Untoro Nugroho,Togani Cahyani Upomo,Erlia Dewi Novita,Imam Agus Nugroho,Kirana Prasetya Azizah
It is crucial to perform routine bridge maintenance in order to evaluate the structure's current state. As a result, it is possible to guarantee that the bridge structure can offer services that are both comfortable and secure. The bridge structure being ... see more