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Menampilkan 1–10 dari 237 artikel
Microwave-Assisted Self-Healing of AC-WC Modified with Iron Powder: Mechanical Performance and Healing Rate
Amalia Firdaus Mawardi
; Machsus Machsus
; Dadang Supriyatno
; Achmad Faiz Hadi Prajitno
; Muhammad Fikri Nadhif
; Hazen Masrafat
Conventional asphalt mixtures have limited microwave absorption, reducing the effectiveness of microwave-assisted self-healing. This study evaluates the effect of iron powder (0–10% by mass of fine aggregate) as additional fine aggregate in AC-WC mixtures on mechanical performance and microwave-activated healing behavior. Cylindrical specimens (63 mm × 100 mm; three per mixture) were tested using Marshall Stability and Indirect Tensile Strength (ITS) at 25 °C. Healing efficiency was determined b...
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Numerical Modeling of Stress Ratios in Single-Lap Adhesive Joints with Geometrical Modifications
Kurnia, Asep
; Setya Putra, Ichsan
; Syamsudin, Hendri
; Giri Suada, Muhamad
; Demas Priambudi, Oktavianus
This study aims to analyze the effect of variations in aluminum strip geometry and Araldite adhesive on the mechanical strength of single lap joints. A two-dimensional numerical model was developed in Abaqus/Standard using cohesive zone elements, the Benzeggagh-Kenane (B-K) model, and a quadratic stress criterion to validate the experimental results. The results show that the developed model is capable of accurately describing the stress distribution and the effect of secondary bending moments t...
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Increasing Quality and Competitiveness of Witpari Culinary MSMEs Through Modern Production and Digital Marketing
Murwanti, Sri
; Aditomo, Imam Riefly
; Zulaekah, Siti
; Faishal, Afif
; Ihsan, Fauzan Muhammad
; Haryoko, Heilin Alber Siva
Abdi Psikonomi
(2026)
Rural culinary MSMEs frequently face structural constraints in production efficiency, packaging standardization, and technological literacy, limiting their competitiveness in tourism-based markets. This community service program aimed to strengthen production capacity and hygienic packaging practices within the Witpari Culinary MSME Community in Kemuning Village, Karanganyar. The intervention provided two spinner oil-draining machines and five heat sealer units, supported by participatory techni...
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CFD Simulation of Flame Characteristics Resulting from Volatile Matter Combustion of Various Biomass Pellets
Fitrah, Ramavi Akbar Akhsanul
; Kusumaningtyas, Ratna Dewi
; Widjanarko, Dwi
; Widyastuti, Catur Rini
; Hidayat, Muslikhin
; Aziz, Muhammad
While biomass is a promising carbon-neutral alternative to coal, the specific volatile matter (VM) flame characteristics of diverse biomass pellets, particularly water hyacinth, remain under-researched. This study uses a numerical CFD approach (Ansys Fluent) to investigate how varying VM fractions influence flame structure in a 2D planar slice of the furnace block (25 cm width). Simulations employed the SST k–ω turbulence and Eddy dissipation model to capture mixing-limited chemical reactions. B...
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Exploring Serum Bilirubin as a Potential Biomarker for Primary Open-Angle Glaucoma
Total bilirubin (TBIL) functions as a natural antioxidant, and its levels tend to decrease with increasing oxidative stress, including in glaucoma tissue. This study aims to explore the relationship between total serum bilirubin levels and the severity of primary open-angle glaucoma (POAG). A total of 25 POAG patients and 25 control subjects further divided into aged >60 years and ≤60 years from the Glaucoma Clinic of the Universitas Sumatera Utara Hospital and its affiliated hospitals were i...
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Developing a multidimensional maturity framework for emotional awareness: A systematic literature review
This study presents a systematic literature review (SLR) aimed at identifying and analyzing the main dimensions and specific indicators in multidimensional emotional awareness (EA) maturity assessment instruments. Adhering to the PRISMA protocol and utilizing the Scopus database for the period 2015–2025, a total of 18 selected studies were examined through thematic and bibliometric analyses. The SLR results reveal that consistent dimensions in emotional awareness instruments include self-awarene...
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Student academic hardiness: descriptive analysis and its relationship with individual characteristic
Harahap, Ade Chita Putri
; Indreswari, Henny
; Hidayah, Nur
; Setyowati, Arbin Janu
; Ramli, M
; Makhsin, Mardzelah Binti
; Harahap, Dinda Permatasari
; Simarmata, Sari Wardani
This study aims to analyze students' academic hardiness and examine its differences based on individual characteristics as well as its relationship with academic achievement. This research employed a quantitative approach with a descriptive and correlational design. The participants consisted of 103 students selected using accidental sampling. Data were collected using a Likert-scale questionnaire measuring the dimensions of commitment, control, and challenge. Data analysis was conducted using d...
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Peningkatan Pemahaman Mahasiswa Kesehatan Lingkungan dalam Analisis Data dengan Media Pembelajaran Digital Melalui Inovasi E-Modul dan Video Tutorial
Jurnal Inovasi dan Pengabdian Masyarakat Indonesia
Vol 5
, No 2
(2026)
Latar belakang: Keterbatasan media pembelajaran digital yang interaktif membuat mahasiswa Kesehatan Lingkungan masih mengalami kesulitan dalam memahami proses pengolahan dan analisis data statistik, terutama dalam penggunaan perangkat lunak analisis data. Kondisi ini berdampak pada rendahnya tingkat kemandirian mahasiswa dalam menyelesaikan tugas akademik yang berbasis data. Tujuan: Kegiatan pengabdian masyarakat ini bertujuan memperkenalkan media pembelajaran digital berupa e-modul yang dilengk...
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Posyandu Cadres’ Readiness in The Implementation of Integrated Primary Health Care
Nafilul Ahsaniar, Zyana
; Nurmandhani, Ririn
; Rimawati, Eti
; Kholiq Pradana, Firmansyah
; Ana Veria Setyawati, Vilda
; Iqbal, Muhammad
VISIKES
Vol 25
, No 1
(2026)
The transformation of Posyandu into the Integrated Primary Health Care (ILP) model was initiated by Indonesia’s Ministry of Health to strengthen primary health care services. The success of this transformation depends on the readiness of Posyandu cadres, who act as key field implementers. This study aimed to examine the relationship between change valence and information assessment with cadre readiness in supporting ILP implementation in Banyumanik District, Semarang City. A cross-sectional quan...
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Identifying key determinants of students' mathematics achievement using lasso regression
Cognitive, socioeconomic, and instructional factors influence students' mathematics achievement. However, modeling these determinants becomes challenging when the number of predictors is relatively large compared to the available sample size, potentially leading to unstable estimates in conventional regression models. This study aims to identify key determinants of students' mathematics achievement using the Least Absolute Shrinkage and Selection Operator (LASSO) regression approach and to const...
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