Artikel (413)
Temperature and air circulation in patient wards are crucial factors that must be considered to ensure the comfort and health of patients. This research aims to develop an automated system capable of controlling the temperature and air circulation in patient wards by utilizing Internet of Things (Io...
Jurnal Teori dan Aplikasi Fisika; Vol. 12 No. 02 (2024): Jurnal Teori dan Aplikasi Fisika | 2024
This study aimed to investigate the effect of the distance between electrodes on the performance of graphite-coated interdigitated electrode (IDE) sensors for temperature changes measurement. IDE sensors have good potentials in various application due to large surface area, low cost, versatility, an...
Jurnal Teori dan Aplikasi Fisika; Vol. 12 No. 02 (2024): Jurnal Teori dan Aplikasi Fisika | 2024
Coffee skin contains cellulose, reaching 49%, so the material has the potential to be used as a substitute for the main material of wood in the paper industry. To obtain pure cellulose coffee skin, the lignin delignification process was carried out using 15% NaOH. Then, it was bleached by adding 10...
Jurnal Teori dan Aplikasi Fisika; Vol. 12 No. 02 (2024): Jurnal Teori dan Aplikasi Fisika | 2024
Nabire Regency is located on the bird's neck of the island of Papua with a history of high seismicity. The Waipoga fault as a major fault was recorded to have caused the Nabire earthquake on November 26, 2004 with a magnitude of 7.2 Mw. Around the Waipoga fault there are small faults that are suspec...
Jurnal Teori dan Aplikasi Fisika; Vol. 12 No. 02 (2024): Jurnal Teori dan Aplikasi Fisika | 2024
Reliable methods (techniques) are needed to determine surface roughness accurately. Contact techniques are prevalent but can damage materials and are subject to much noise. Meanwhile, non-contact techniques (usually optical) still face setup complexity and inaccuracy. This paper designs a simple opt...
Jurnal Teori dan Aplikasi Fisika; Vol. 12 No. 02 (2024): Jurnal Teori dan Aplikasi Fisika | 2024
Plastics, primarily made of synthetic polymers, are difficult to degrade by microbes, resulting in waste management challenges. Bioplastics are a viable alternative to conventional plastics' environmental problems. They are crucial for circular economy transformation and sustainability goals. To add...
Jurnal Teori dan Aplikasi Fisika; Vol. 12 No. 02 (2024): Jurnal Teori dan Aplikasi Fisika | 2024
On a laboratory scale, water quality measurements generally use the degree of acidity (pH) and wather index. This study aims to implement simple physics equations with the tools we make by applying the principle of light diffraction. One of the parameters to determine the level of water quality can ...
Jurnal Teori dan Aplikasi Fisika; Vol. 12 No. 02 (2024): Jurnal Teori dan Aplikasi Fisika | 2024
Split stone is a type of irregular stone formed from sedimentary rock deposits and sandstone due to weathering and the influence of abrasion in rivers, so split stones are formed. The utilization of split stone as an embankment can be optimized by varying the angle of inclination of the embankment i...
Jurnal Teori dan Aplikasi Fisika; Vol. 12 No. 02 (2024): Jurnal Teori dan Aplikasi Fisika | 2024
This research was conducted to determine the chemical characteristics of Arabica Indonesia's coffee beans. Four types of coffee beans are taken as samples, i.e., from Toraja, Wamena, Kintamani, and Flores, then roasted to the medium to dark level around temperatures (213-215)°C within 9-13 minutes....
Jurnal Teori dan Aplikasi Fisika; Vol. 12 No. 02 (2024): Jurnal Teori dan Aplikasi Fisika | 2024
Research on the use of compact disc (CD) chips as a diffraction grating to determine the refractive index of liquids aims to determine the value of the refractive index of liquids through the diffraction lattice constants of compact disc (CD) chips, both filled with data and not filled with data. Th...
Jurnal Teori dan Aplikasi Fisika; Vol. 12 No. 02 (2024): Jurnal Teori dan Aplikasi Fisika | 2024