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Menampilkan 1–10 dari 5979 artikel
Banana Peel-Derived Activated Carbon/MnO₂ Composites for Supercapacitor Electrode Applications
Herwanti, Katarina
; Saptono Nugrohadi
; Muhammad Taufiq Anwar
; Stanislaus Christo Petra Nugraha
; Dail Umamil Asri
; Noening Andrijati
Banana peel waste is an abundant agricultural by-product with high carbon content but remains largely underutilized. This study presents a preliminary investigation into the conversion of banana peel waste into activated carbon and its integration with manganese dioxide (MnO₂) to produce biomass-derived composite electrodes for supercapacitor applications. Activated carbon was prepared by carbonization followed by chemical activation using 30 wt% H₃PO₄, while MnO₂–carbon composites were synthesi...
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Examining Hate Speech and Social Media in Indonesia: A Systematic Literature Review
Saputra, Gemilang Bayu Ragil
; Nurliana, Nurliana
; Wulandari, Dwi Rohma
; Sari, Dyah Fitria Kartika
; Kudratullah, Kudratullah
Jurnal Audience: Jurnal Ilmu Komunikasi
Vol 9
, No 2
(2026)
Hate speech and social media are increasingly prominent topics for scholars in Indonesia, yet prior reviews on the subject tend to remain within a single discipline. Building on the digital boom triggered by the Covid-19 pandemic, we systematically mapped the thematic trends of hate speech and social media research in Indonesia published between 2020 and 2025. We queried our corpus from ScienceDirect and utilised R, RStudio, and the Bibliometrix package as the primary tools to analyse the corpus...
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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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Lightweight Dual-Layer Chaotic Image Encryption Using Arnold Cat Map and Henon Zigzag Diffusion
Umam, Chaerul
; Abdussalam, Abdussalam
; Nursetyo, Arif
; Sugiarto, Bambang
; Islam, Husain Md Mehedul
Digital image transmission over open networks raises significant security concerns due to the high correlation and predictable statistical properties of image data. Existing chaotic encryption schemes based on Arnold Cat Map (ACM) and Henon mapping often suffer from high computational cost, parameter sensitivity, or reliance on complex multi-stage designs. To address these limitations, this study proposes a lightweight dual-layer chaotic image encryption framework that integrates ACM-based pixel...
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LDWFOX Optimization for Hyperparameter Tuning of Inception CNN in UAV-Based Vegetation Density Mapping
Pramunendar, Ricardus Anggi
; Alomoush, Ashraf
; Prabowo, Dwi Puji
; Megantara, Rama Aria
; Alzami, Farrikh
; Winarsih, Nurul Anisa Sri
; Pergiwati, Dewi
; Shidik, Guruh Fajar
Vegetation density classification from UAV imagery is a practical necessity in fire-prone landscapes, since fuel load on the ground directly informs risk management decisions. Convolutional neural networks handle this classification reasonably well, but good performance requires careful hyperparameter tuning, and manual trial and error produces results that are unstable and hard to reproduce. This study proposes LDW-FOX, a modified FOX metaheuristic using a Linearly Decreasing Weight mechanism t...
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A Sustainable Computational Framework for Breast Cancer Screening: Optimizing High-Dimensional Feature Spaces via MVP-PCA for Resource-Constrained Environments
The rapid integration of Electronic Health Records (EHR) demands the efficient processing of high-resolution medical images. However, deep learning architectures applied to mammography classification often produce massive, high-dimensional feature spaces susceptible to the curse of dimensionality and anatomical noise. Furthermore, conventional dimensionality reduction approaches tend to cause over-reduction, which destroys crucial microcalcification textures. To address these challenges, this st...
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Stereotip Penyandang Disabilitas Dalam Pemberitaan Media Online Suaramerdeka.Com
Jurnal Audience: Jurnal Ilmu Komunikasi
Vol 9
, No 2
(2026)
Penelitian ini mengkaji stereotip penyandang disabilitas dalam pemberitaan media online lokal melalui studi pada Suaramerdeka.com. Permasalahan utama penelitian ini adalah bagaimana stereotip terhadap penyandang disabilitas diproduksi dan direproduksi dalam pemberitaan media online. Penelitian menggunakan paradigma kritis dengan metode Analisis Wacana Kritis Norman Fairclough yang mencakup tiga dimensi analisis, yaitu teks, praktik wacana, dan praktik sosiokultural. Corpus penelitian terdiri ata...
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Nongkrong Digital Kalangan Muda Indonesia melalui Live Streaming Marapthon Season the Last Tale
Oktaviani, Melisa
; Vanesya, Keren
; Patricia, Emmanuella
; Vida, Helen Diana
; Paramasari, Silvia Nevane
Jurnal Audience: Jurnal Ilmu Komunikasi
Vol 9
, No 2
(2026)
Penelitian ini dilatar belakangi oleh fenomena pergeseran budaya bersosialisasi kalangan muda Indonesia dari ruang fisik menuju ruang virtual melalui perkembangan media digital. Penelitian ini bertujuan untuk mendeskripsikan pola euphoria nongkrong digital kalangan muda Indonesia melalui live streaming Marapthon Season the Last Tale berdasarkan empat pilar konten menurut Lon Safko dan David K. Brake (2009), yaitu komunikasi, hiburan, edukasi, dan kolaborasi. Penelitian ini menggunakan pendekatan...
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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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Pengembangan Digital Pressure Meter Berbasis IoT untuk Pengujian Tekanan Suction Pump dan Pencatatan Data Otomatis
MEDIKA TRADA : Jurnal Teknik Elektomedik Polbitrada
Vol 7
, No 1
(2026)
A suction pump requires periodic vacuum-pressure verification to support consistent performance assessment and reliable documentation. This study developed an Internet of Things (IoT)-based Digital Pressure Meter (DPM) that displays pressure in mmHg, Pascal (Pa), and bar and transmits measurement records to Google Sheets. The device integrated an Arduino Mega 2560, an MPX5050DP pressure sensor, a DHT22 sensor, a TFT LCD, and an ESP8266 module. Testing was performed at 0, 50, 100, 150, and 200 mm...
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