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All Journal Inersia : Jurnal Teknik Sipil dan Arsitektur MEDIA KOMUNIKASI TEKNIK SIPIL REKA RACANA Harmonia: Journal of Research and Education Dinamika Informatika Jurnal Sains dan Teknologi Farmasi Jurnal Kimia dan Kemasan Teras Jurnal JURNAL MEDIA INFORMATIKA BUDIDARMA Al-Dzikra: Jurnal Studi Ilmu al-Quran dan al-Hadits Rekayasa Teknologi JSFK (Jurnal Sains Farmasi & Klinis) Jurnal Inovator PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Bina Teknika Ijtihad Building of Informatics, Technology and Science Jurnal Pengabdian Dharma Bakti JOURNAL OF INFORMATION SYSTEM RESEARCH (JOSH) Letters in Information Technology Education (LITE) Infotech: Journal of Technology Information Jurnal Teslink : Teknik Sipil dan Lingkungan Jurnal Budaya Etnika Widya Pranata Hukum : Jurnal Kajian dan Penelitian Hukum BISNIS & BIROKRASI: Jurnal Ilmu Administrasi dan Organisasi JURNAL ILMIAH GLOBAL EDUCATION Al-Mizan: Jurnal Hukum Islam dan Ekonomi Syariah Jurnal Teknologi Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil Jurnal Teknoif Teknik Informatika Institut Teknologi Padang Jurnal Ilmu Komunikasi Dan Media Heca Journal of Applied Sciences SmartComp Jurnal Sistem Informasi dan Manajemen Suluah Pasaman (Journal of Environmental Sustainability Management) Singkite Journal J-Sil (Jurnal Teknik Sipil dan Lingkungan)
Erizal Erizal
Pusat Aplikasi Teknologi Isotop dan Radiasi, BATAN Jl. Lebak Bulus Raya No.49, Jakarta 12070
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Rancang Bangun Alat Pencacah Sayuran Dengan Variasi 3 Jenis Mata Pisau Berkapasitas 1 Kg/Menit Untuk Pakan Unggas Alminson, Pego; Erizal, Erizal; Tonadi, Een
Jurnal INOVATOR Vol. 8 No. 2 (2025): Jurnal INOVATOR
Publisher : LPPM Politeknik Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37338/inovator.v8i2.482

Abstract

The livestock sector plays a significant role in providing quality feed to support the growth and productivity of poultry. Vegetables are widely used as an alternative feed, but the chopping process is still often done manually, which is time-consuming, labor-intensive, and produces uneven cuts. This study aims to design and build a vegetable chopper equipped with three types of blades and a chopping capacity of 1 kg per minute. The research method includes literature studies, conceptual design, manufacturing process, and testing of the chopped results. The machine consists of a 2.2 kW electric motor with 2850 RPM, an 8 cm long shaft, and three types of blades. The test results show that using three blades produces the most uniform chopped results, meeting the poultry feed standards (50–100 mm). This tool is expected to assist small and medium-scale farmers in preparing poultry feed more efficiently and hygienically.
Analisis Perbandingan Algoritma Naïve Bayes dan Random Forest Dalam Klasifikasi Penyakit Stroke Pada Puskesmas Virgiawan, Iwan; Erizal, Erizal
Building of Informatics, Technology and Science (BITS) Vol 6 No 4 (2025): March 2025
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bits.v6i4.6771

Abstract

One of the main reasons people become disabled or die is because of a stroke. The key to swift and effective therapy is an early diagnosis. This research examines the relative performance of the Naïve Bayes and Random Forest algorithms in identifying stroke cases using data collected from patients at the Cipayung Health Center. Age, gender, BMI, smoking status, hypertension, and other physical and mental health issues are some of the characteristics represented in the 644 samples used in the study. Collecting data, cleaning it up, and then evaluating the model using metrics like recall, precision, and accuracy are all part of the research process. With a 92% accuracy rate, the Random Forest algorithm outperformed Naïve Bayes (87% accuracy rate), according to the data. Medical professionals may use these results as a guide to improve stroke detection, which in turn accelerates treatment and lessens the likelihood of consequences. The findings of this study also pave the way for future research into machine learning algorithms.
Production of Granular Potassium Fertilizer from Oil Palm Empty Fruit Bunch (EFB) Incineration Ash Erizal, Erizal; Irwan, Irwan; Zaini, Halim
Jurnal Teknologi Vol 25, No 3 (2025): Desember 2025
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/teknologi.v25i3.7527

Abstract

The transformation of oil palm empty fruit bunch (EFB) incineration ash into granular potassium fertilizer offers a promising approach to recycling agro-industrial waste while producing value-added products. This study focuses on the formulation of EFB ash-based granules using tapioca starch as a natural binder, and examines the effects of binder weight and drying time on granule yield, pH, K₂O content, and moisture content. Tapioca starch was incorporated at five  different weight (5, 10, 15, 20,  and 25 g) to evaluate its influence on granulation performance. The results showed that increasing tapioca starch content significantly improved the granule yield, achieving a maximum of 67.91% at 15 g. However, there are no granular formed. The granular formed at weight of binder 25 g that resulted 67.22% yield and 36.72% Potasium. The pH of the granules slightly decreased with increasing binder dosage. Moisture content was influenced by both the binder weight and drying time; higher starch content retained more water. This study demonstrates that tapioca starch is a viable biodegradable binder for producing eco-friendly granular fertilizers from EFB ash, supporting sustainable waste valorization and agricultural practices.
Investigating Scabies Pathogenesis and Therapeutic Potential of Nutmeg Extract in Experimental Animals Erizal, Erizal; Hanafiah, Muhammad; Mudatsir, Mudatsir; Helmi, Teuku Zahrial
Heca Journal of Applied Sciences Vol. 4 No. 1 (2026): March 2026
Publisher : Heca Sentra Analitika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60084/hjas.v4i1.333

Abstract

Nutmeg (Myristica fragrans) is one of Indonesia’s agricultural commodities with recognized health benefits as a traditional medicine. In addition, nutmeg has potential as a natural treatment for scabies. This study aimed to evaluate the effectiveness of nutmeg fruit bioactive compounds in scabies treatment. Nutmeg extraction was conducted using three different solvents: ethanol, ethyl acetate, and n-hexane. The extract with the most dominant phytochemical composition was further analyzed for bioactive compounds using GC-MS and antioxidant activity using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay. Subsequently, the extract was tested against Sarcoptes scabiei mites obtained from 15 stray cats. The effectiveness of nutmeg extract was evaluated in a spray formulation by observing mite mortality and lesion reduction. The results demonstrated that the ethanol extract of nutmeg fruit contained the most abundant phytochemicals, with 3-Methyl-2,5-Furandione (21.26%) and Maleic Anhydride (14.21%) as the dominant compounds. The ethanol extract also exhibited strong antioxidant activity with an IC₅₀ value of 21.41 ppm. In vitro testing showed 100% mite mortality at a 25% extract concentration within 24 hours, while in vivo testing on scabies-infected cats treated with the nutmeg spray extract revealed a significant reduction in scab lesions compared to the control group. These findings indicate that nutmeg extract possesses potent acaricidal and antioxidant properties, making it a promising alternative treatment for scabies. Further studies are required to refine the formulation and explore its clinical applications.
EKSISTENSI ALAM MINANG DALAM LUKISAN SENIMAN SUMATERA BARAT Erizal, Erizal; Ibrahim, Ibrahim; Satriyadi, Satriyadi; Nisa, Khairun
Jurnal Budaya Etnika Vol. 2 No. 2 (2018): Momen Kreatif, Ekspresi, dan Keberagaman Etnik
Publisher : Institute of Indonesia Arts and Culture (ISBI) Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26742/be.v2i2.1158

Abstract

ABSTRACT This study aims to record painting artists in West Sumatra who have worked with the Minangkabau concept. The method used refers to qualitative research methodology, namely observation, interviews and literature. Then for the research report, the collected data is presented based on citation data such as words / sentences and data in the form of interview scripts, field notes, photos, videos, personal documents or other official documents. The theory used refers to the opini of Kartodirjo, Becker, and Dwi Marianto.The presence of painting artists who raised the theme of Minangkabau nature such as: Kamal Guci, Afianto Arifin, Evalyna Dianita, Idran Wakidi, Yazid. Painting artists who work with this Minangkabau concept still exist to maintain their style of work, and not a few of art appreciators like or collect the work of the artist. It can be concluded that the presence of artists like this is very helpful in preserving the art of painting in West Sumatra which has been pioneered long time ago by painters like Wakidi and M.Syafei. Keywords: Minangkabau, Concept, Painting, West Sumatra.  ABSTRAK Penelitian ini bertujuan mendata seniman lukis di Sumatera Barat yang eksis berkarya dengan konsep Minangkabau. Metode yang dipakai merujuk pada metodologi penelitian kualitatif, yaitu pengamatan, wawancara dan kepustakaan. Kemudian untuk laporan penelitian, data-data yang terhimpun disajikan berdasarkan kutipan data baik berupa kata/kalimat maupun data berupa naskah wawancara, catatan lapangan, foto, video, dokumen pribadi ataupun dokumen resmi lainnya. Teori yang digunakan merujuk kepada pendapat Kartodirjo, Becker, dan Dwi Marianto.Kehadiran seniman lukis yang mengangkat tema alam Minangkabau seperti: Kamal Guci, Afianto Arifin, Evalyna Dianita, Idran Wakidi, Yazid. Seniman lukis yang berkarya dengan konsep Minangkabau ini masih eksis mempertahankan corak karya mereka, dan tidak sedikit para penikmat seni menyukai atau mengoleksi karya seniman tersebut. Dapat disimpulkan bahwa kehadiran seniman seperti ini sangat membantu dalam dalam pelestarian seni lukis di Sumatera Barat yang sudah dirintis jauh hari oleh pelukis Wakidi dan M.Syafei. Kata Kunci: Minangkabau, Konsep, Seni Lukis, Sumatera Barat.
Implementasi Teknik Clustering untuk Meningkatkan Performa Aplikasi Node JS Rozak, Bahrul; Erizal, Erizal; Hasan, Firman Noor
Smart Comp :Jurnalnya Orang Pintar Komputer Vol 12, No 4 (2023): Smart Comp: Jurnalnya Orang Pintar Komputer
Publisher : Politeknik Harapan Bersama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/smartcomp.v12i4.4532

Abstract

Permasalahan yang sering kali muncul pada aplikasi berbasis server side, adalah request request dan response dalam jumlah yang besar. Proses request serta response akan terus berlanjut selama pengguna berinteraksi dengan aplikasi, Jika hal ini terus berlanjut maka penggunaan sumber daya (resource) yang berlebih pada CPU dapat menjadikan perfoma aplikasi tidak optimal bahkan dapat menimbulkan crash, yang berdampak pada layanan dan kualitas aplikasi. Oleh karena itu, diperlukan teknik untuk menangani permasalahan tersebut. Metode yang diimplementasikan pada penelitian ini ialah membuat aplikasi berbasis server side dengan dua spesifikasi yaitu dengan module cluster dan tanpa module cluster, selanjutnya kedua aplikasi dengan spesifikasi yang berbeda, masing-masing akan dilakukan tahap pengujian performa serta monitoring, kemudian dilakukan proses analisa hasil perbandingan untuk mendapatkan kesimpulan. Module cluster akan membantu untuk melakukan teknik clustering, teknik clustering ialah mengelompokkan proses yang sama serta sering dieksekusi. Dengan teknik ini beban kerja pada CPU akan terdistribusi, sehingga memberikan peningkatan performa aplikasi.
Collective Behavior and Social Movements in the Late-August 2025 Demonstrations: Solidarity and Mass Violence in the Case of Affan Kurniawan Erizal, Erizal; Wahyudi, Ninda Zahra; Danita, Regita Alma; Wildan, Marie Muhammad; Firdaus, Dwiandra
Jurnal Ilmiah Global Education Vol. 7 No. 1 (2026): JURNAL ILMIAH GLOBAL EDUCATION
Publisher : LPPM Institut Pendidikan Nusantara Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/jige.v7i1.5207

Abstract

This study investigates the dynamics of collective behavior and social movements that emerged during the late-August 2025 demonstrations in Indonesia, focusing on how structural grievances, triggering events, and media framing shaped the escalation of public mobilization. The research aims to explain why the protests, which initially centered on opposition to proposed parliamentary allowance increases, quickly expanded into a nationwide movement marked by strong expressions of solidarity and episodes of mass violence. Special attention is given to the death of Affan Kurniawan, an ordinary citizen who became an unintended victim during crowd-control operations, and whose case transformed the public’s emotional and moral engagement with the demonstrations. Using a qualitative approach that combines interviews with civil society actors, analysis of organizational documents, and observations of mainstream and digital media content, the study identifies several key findings. Structural economic and political tensions created fertile conditions for mobilization, while the death of Affan Kurniawan acted as a powerful moral catalyst that broadened participation across diverse social groups. Civil society organizations played a crucial role in coordinating information, framing human-rights concerns, and maintaining the momentum of public engagement. Meanwhile, contrasting media narratives contributed to divergent interpretations of the protests, influencing public sentiment and state responses. The study concludes that interactions among grievances, symbolic events, and communication networks significantly amplify the scale and emotional intensity of contemporary social movements. Strengthening transparency, accountability, and rights-based approaches in protest management is essential to prevent similar escalations in the future.
Rancang Bangun Alat Pencacah Sayuran Dengan Variasi 3 Jenis Mata Pisau Berkapasitas 1 Kg/Menit Untuk Pakan Unggas Alminson, Pego; Erizal, Erizal; Tonadi, Een
Jurnal INOVATOR Vol. 8 No. 2 (2025): Jurnal INOVATOR
Publisher : LPPM Politeknik Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37338/inovator.v8i2.482

Abstract

The livestock sector plays a significant role in providing quality feed to support the growth and productivity of poultry. Vegetables are widely used as an alternative feed, but the chopping process is still often done manually, which is time-consuming, labor-intensive, and produces uneven cuts. This study aims to design and build a vegetable chopper equipped with three types of blades and a chopping capacity of 1 kg per minute. The research method includes literature studies, conceptual design, manufacturing process, and testing of the chopped results. The machine consists of a 2.2 kW electric motor with 2850 RPM, an 8 cm long shaft, and three types of blades. The test results show that using three blades produces the most uniform chopped results, meeting the poultry feed standards (50–100 mm). This tool is expected to assist small and medium-scale farmers in preparing poultry feed more efficiently and hygienically.
Co-Authors A.A. Ketut Agung Cahyawan W Ade Davy Wiranata Al Ayyubi, Reza Al Azkiah, Dina Sakinah Alfaridzi, Eko Alminson, Pego Ananda, Fauzan Raflinur Andini, Andini Angga Prayoga Arrafi, Naufal Rifqi Arsad, Reza Al Aulia Shilvi Auzal Halim Azizah, Khusnita Basril A. Basril Abbas Basuki, Umar Ben, Elfi Sahlan Bimantoro, Prabu Budiarto, Djoko Burhan Djamaluddin Burhanuddin Burhanuddin Danita, Regita Alma Deswita Deswita Diqi, Muhammad Dwi, Gebi Sintia Emil Budianto Fauzan Azima Firdaus, Dwiandra Firman Noor Hasan Halim Zaini, Halim Hamimuddin, Moch Hendri, Yon Hikmah, Fitri Nur IBNUL QAYIM Ibrahim Ibrahim Irwan Irwan Julianto, Baskoro Tri Kamaruddin Kamaruddin Khairuddin - Khairun Nisa Khoirunnisa, Hana Kristian, Tadem Vergi Lamuse, Maulina Listiawan, Indra Maklas, Fikali Marselina Endah Hiswati Mentari, Sekar Metriadi Metriadi Mohammad Diqi Mudatsir Mudatsir Muhammad Fairuzabadi Muhammad fauzan Muhammad Hanafiah Muhammad Irfan Muhammad Sulhan Nadhya Susilo Nugroho Oktafiani, Pradyta Galuh Purwo Mahardi Putra, Heriansyah Rahmawan, Rama Zaky Ramadhanis, Zainab Rezza Anugrah Mutiarawan Rifqi Amrullah, Muhammad Rozak, Bahrul Satriyadi, Satriyadi Satyanto Krido Saptomo Selvi Kasman Seminar, Kudong Boro Sitorus, Mido Ester Sujarweni, V Wiratna Sujarweni, Veronika Wiratna Sultono, Sultono Sutoyo Sutoyo Suwarto Suwarto Teuku Zahrial Helmi Thamrin W., Thamrin Thantawi, Firdaus Tonadi, Een Tri Sudibyo Umam, Faqih Nadiya Utami, Anisa Dwi Virgiawan, Iwan Wahyudi, Ninda Zahra Wildan, Marie Muhammad Wilma Sriwulan Yulianto, Adhithya Yudo Yunus Yakub Zaidir