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All Journal Jurnal Penelitian Sekolah Tinggi Transportasi Darat Jurnal Rekam Medis dan Informasi Kesehatan Indonesia
Setya Wijayanta
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Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering Public Health

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PEMETAAN SEBARAN PENYAKIT FARINGITIS AKUT BERBASIS SISTEM INFORMASI GEOGRAFIS DI PUSKESMAS CANDILAMA TAHUN 2023 Shafira Berlian Tabroni; Setya Wijayanta; Asharul Fahyudi
Jurnal Rekam Medis dan Informasi Kesehatan Indonesia Vol. 1 No. 2 (2022): Jurnal Rekam Medis dan Informasi Kesehatan Indonesia
Publisher : program studi Rekam Medis dan Infomasi Kesehatan ITSK RS dr Soepraoen Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/jurmiki.v1i2.15

Abstract

Acute pharyngitis is one of the diseases caused by viral bacterial infections. In the report of the top 10 diseases in the Candilama Health Center, acute pharyngitis disease was ranked first. In order to facilitate health surveillance, mapping based on Geographic Information Systems is carried out. However, at the Candilama Health Center, mapping the distribution of acute pharyngitis has never been carried out in the Candilam Health Center work area. This study used the method of document study and observation on the object of research and mapping the spread of acute pharyngitis in the working area of the Candilama Health Center, The data used in this study were data on visits of acute pharyngitis patients based on age group, gender, and based on work area. The results of this study show that based on mapping that has been carried out, the area with the most cases of acute pharyngitis is Jomblang sub-district, one of these factors in terms of population density, for the age group most suffered by toddlers in the toddler age group, they are usually susceptible to disease in the respiratory tract and for the sex group, many are suffered by women because women have a different respiratory structure from man.
The Effect Of Ethanol–Pertamax Fuel Blends On Corrosion Rate And Visual Characteristics Of Fuel Tank Naufal Hanif Musyaffa; Setya Wijayanta; Femmy Sofie Schouten
Jurnal Penelitian Sekolah Tinggi Transportasi Darat Vol 16 No 2 (2025): December 2025
Publisher : Politeknik Transportasi Darat Indonesia - STTD Bekasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55511/jpsttd.v16i2.765

Abstract

Previous studies on ethanol fuel blends have mainly focused on corrosion rate using weight loss methods, simplified specimens, and limited fuel variations. However, visual characteristics under real fuel tank conditions remains less explored.  To address this gap, this study examines the effect of ethanol concentration in pertamax fuel on the corrosion rate and visual characteristics of motorcycle fuel tank materials. Specimens from a 155 cc automatic motorcycle fuel tank were immersed in ethanol–pertamax blends with ethanol concentrations of 0%, 5%, 10%, 15%, 25%, and 85% for 12 weeks. A combined approach using the weight loss method and ImageJ based image processing was applied to obtain a more comprehensive evaluation of corrosion rate and visual characteristics. The results show that the highest corrosion rate occurred at PXE 25 with 0.057 mm/y, while the lowest was observed at PXE 0 with 0.007 mm/y. At PXE 85, the corrosion rate decreased to 0.038 mm/y, indicating a shift in corrosion behavior at higher ethanol concentrations. Image analysis confirmed that the largest corrosion area also occurred at PXE 25. These findings indicate that ethanol concentration affects corrosion characteristics, with different corrosion responses observed at higher ethanol blends, highlighting key implications for material selection, fuel system design, and ethanol fuel policy evaluation in Indonesia.
Co-Authors Asharul Fahyudi Femmy Schouten Naufal Hanif Musyaffa Shafira Berlian Tabroni