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Menampilkan 1–10 dari 112 artikel
Loading-Dependent Physicochemical Characteristics of LiMn2O4 Composites with Plasma-Modified and Ammonia-Functionalized Rice Husk Carbon
Harianingsih, Harianingsih
; Deni Fajar Fitriyana
; Januar Parlaungan Siregar
; Agung Budiwirawan
; Ari Dwi Nur Indriawan
; Suryo Wiroyudho Wibowo
; Rizky Ilham Fadzillah
; Nabila Khoirunisa
This study investigates LiMn2O4 composites incorporated with nitrogen-functionalized rice husk-derived carbon as a sustainable secondary phase for cathode material development. Rice husk carbon was prepared through carbonization, acid-assisted activation, plasma treatment, and ammonia functionalization, then mechanically blended with LiMn2O4 at 2, 3, and 4 wt.% to obtain LMO-NC2, LMO-NC3, and LMO-NC4, respectively. FTIR analysis showed absorption bands at approximately 3390, 1625, 1400, 1008, 83...
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The Effectiveness of Community Information Group Implementation in Community Empowerment: a study in Palembang City
Jurnal Audience: Jurnal Ilmu Komunikasi
Vol 9
, No 2
(2026)
This study analyzes the effectiveness of the implementation of Community Information Group (KIM) in community empowerment in Palembang city with a focus on visualizing public messages. Different from previous research that focused more on institutional sustainability, technology access, and digital services, this study examines how message visualization links the dissemination of public information with community understanding, participation, and action. The study uses the perspectives of develo...
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The effect of spiritual well-being on career anxiety among students
Career anxiety among university students is commonly associated with external factors such as job readiness and environmental pressure. However, the role of internal aspects, particularly spiritual well-being, has not been widely explored. In fact, an individual’s ability to find meaning in life and deal with uncertainty may influence their level of anxiety. This study aims to examine the effect of spiritual well-being on career anxiety among students across different semesters. This study emplo...
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Effect of Printing Speed on the Properties of 3D Printed Products Using Recycled PET Filament
Fitriyana, Deni Fajar
; Agung Efriyo Hadi
; Nugroho Suhodo
; Aldias Bahatmaka
; Januar Parlaungan Siregar
; Tezara Cionita
; Zuhriyan Ash Shiddieqy Bahlawan
; Achmad Yanuar Maulana
Recycled PET has been widely studied for its potential use in 3D printing applications. However, few research has examined how printing speed affects recycled PET filament products' mechanical and physical qualities. This research examines how printing speed influences the physical and mechanical qualities of 3D-printed PET filament goods created from mineral water bottle trash. In this study, filament fabrication is carried out using the homemade pultrusion machine, then the filament is used fo...
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Perancangan Buku Ilustrasi Sistem Isyarat Bahasa Indonesia (SIBI) untuk Anak Tuna Rungu dengan Tema Pengenalan Hewan Laut di SDLB Negeri Semarang
Citrakara
Vol 8
, No 1
(2026)
Anak tuna rungu menghadapi kesulitan dalam memahami materi pembelajaran berbasis teks dan verbal. Sistem Isyarat Bahasa Indonesia (SIBI) sebagai bahasa resmi di SLB masih jarang tersedia dalam bentuk media visual yang menarik. Untuk itu, dirancang sebuah buku ilustrasi yang menggabungkan pengenalan hewan laut dengan gerakan isyarat SIBI. Buku ini ditujukan bagi siswa SDLB Negeri Semarang sebagai media belajar yang menyenangkan dan komunikatif. Penelitian menggunakan metode kualitatif melalui pen...
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Effect of Different Layers on the Performance of Laminate Epoxy Composite Reinforced with Textile Waste
Thomas Junaedi
; Siregar, Januar Parlaungan
; Zalani, Mohamed Reza
; Imran, Al Ichlas
; Tezara Cionita
; Endah Murtiana Sari
; Deni Fajar Fitriyana
; Etanto Heiliano Wijayanto
Post-consumer textile waste poses significant environmental problems, but its potential for commercial recycling remains under-researched. Therefore, this study utilizes calico textile (CT) waste as reinforcement in polymer composites. The effect of layering number of CT in epoxy composite will be investigated. CT was varied with three layers, namely 1, 3, and 5 embedded in epoxy resin with the hand lay-up method in open molding. The mechanical testing of pure epoxy as a control point for tensil...
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Pengaruh Profitabilitas, Likuiditas, Leverage, dan Pertumbuhan Aset terhadap Kebijakan Dividen
The objective of this study is to examine the effects of profitability, liquidity, leverage, and asset growth on dividend policy among food and beverage companies listed on the IDX during 2020-2023. The dependent variable in this study is dividend policy, specifically the proxy dividend payout ratio (DPR). The independent variables, including profitability as measured by return on equity (ROE), liquidity as measured by the current ratio (CR), leverage as measured by the debt-to-equity ratio (DER...
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Developing Artsteps-based Song Media to Make It Easier for Madrasah Ibtidaiyyah Students to Memorize Arabic
MAGISTRA: Media Pengembangan Ilmu Pendidikan Dasar dan Keislaman
Vol 16
, No 2
(2026)
Arabic language learning in Islamic Elementary Schools (MI) still faces various obstacles in improving students’ abilities, especially in memorizing vocabulary. This condition demands innovation in learning media that effectively supports the Arabic memorization process. This study aims to develop Artsteps-based song media to facilitate MI students’ memorization of Arabic. This study uses the Research and Development (R&D) method, which includes the stages of analysis, design, development, i...
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Perbandingan Metode Maut, Smart dan Waspas dalam Sistem Pendukung Keputusan menentukan Karyawan Terbaik pada Sisilia Boutique
Dinamik
Vol 31
, No 1
(2026)
This study compares the effectiveness of MAUT (Multi-Attribute Utility Theory), SMART (Simple Multi-Attribute Rating Technique), and WASPAS (Weighted Aggregated Sum Product Assessment) methods in a decision support system for determining the best employees at Sisilia Boutique. The quality of human resources is crucial in the retail business, but performance evaluation is often influenced by subjectivity. To address this, a multi-criteria-based decision support system is needed. MAUT translates p...
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PENGARUH TERAPI PURSED LIPS BREATHING TERHADAP PERUBAHAN RESPIRATORY RATE (RR) PADA ANAK DENGAN PNEUMONIA DI WILAYAH PUSKESMAS KENANGA
Nursing Science Journal
Vol 6
, No 2
(2025)
Pneumonia is inflammation of the lungs caused by infection. Pneumonia can cause mild to severe symptoms. Some of the symptoms that commonly occur in pneumonia sufferers are cough with phlegm, fever and shortness of breath. The aim of this study was to determine the effect of pursed lips breathing on changes in respiratory rate (RR) in children with pneumonia in the Kenanga Community Health Center area in 2025. This research uses a quasi-experiment design with a pretest and posttest design with c...
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