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All Journal Al Ishlah Jurnal Pendidikan JURNAL PENDIDIKAN TAMBUSAI JURNAL MUTIARA PENDIDIKAN INDONESIA Jurnal Biogenerasi Jurnal Scientia Jurnal Pengabdian kepada Masyarakat Nusantara Jurnal IPTEK Bagi Masyarakat Al-MIKRAJ: Jurnal studi Islam dan Humaniora Edukasia: Jurnal Pendidikan dan Pembelajaran Jurnal Kebidanan, Keperawatan dan Kesehatan (J-BIKES) Jurnal Pengabdian Masyarakat Journal of Innovative and Creativity Algebra Algebra : Jurnal Pendidikan Sosial dan Sains
F, Muhammad Bagas
Sekolah Tinggi Ilmu Kesehatan Indah Medan
Religion Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Other

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Z Analisa Keandalan Turbin Uap Dengan Penerapan Total Productive Maintenance (TPM) Dan 4 Disipline Of Execution Di Pabrik Kelapa Sawit zulham, Zulham Effendi; Aisyah, Siti; Bagas, Muhammad
Jurnal Biogenerasi Vol. 11 No. 1 (2026): Volume 11, no 1, 2026, (Januari - Maret 2026)
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/biogenerasi.v11i1.8114

Abstract

A steam turbine is an energy conversion machine whose converted energy is used by other machines to generate power. This study aims to analyze the reliability of turbine engines using the Total Productive Maintenance (TPM) method and the 4 Disciplines of Execution (4DX). In this study, TPM was used to identify various major causes of production time loss, such as breakdowns, setup time, and loading time. Meanwhile, 4DX focuses on achieving key objectives through consistent and measurable actions, namely zero breakdowns and zero stagnation. The results of this study indicate that the Availability value is 98.69%, the Performance value is 98.14%, the Quality value is 99.74%, and the OEE value is 96.61%, which means that the turbine is in a reliable condition. In addition, 4DX plays a role in accelerating the achievement of improvement targets by providing a more focused approach, monitoring daily activities, and enhancing accountability. The research results indicate that the combination of these two methods is effective in improving turbine reliability, extending equipment lifespan, and fostering employee discipline. Keywords: Steam Turbine, Reliability, TPM, OEE, 4DX
CRITICAL THINKING IN BUILDING ETHICAL LEADERSHIP IN THE DIGITAL ERA Muhammad Bagas F; Salminawati; Indra Sakti Siagian; Muhammad Halomoan
Algebra : Jurnal Pendidikan, Sosial dan Sains Vol. 6 No. 1 (2026): Algebra : Jurnal Pendidikan Sosial dan Sains
Publisher : Yayasan Amanah Nur Aman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58432/3d1t0a59

Abstract

The digital era presents significant challenges in managerial and leadership practices, where leaders are not only required to possess technical skills but also the ability to think critically and ethically. Digital transformation impacts decision-making within organizations, with technologies like artificial intelligence and big data often raising moral dilemmas. Therefore, critical thinking and ethical leadership become essential foundations for guiding decisions that consider social and moral implications. Critical thinking in management encompasses not only data analysis and strategy effectiveness but also the ability to evaluate the moral consequences of each decision. Meanwhile, ethical leadership focuses on moral responsibility, transparency, and social justice. This study aims to develop a conceptual model linking critical thinking and ethical leadership through a qualitative-descriptive approach with a conceptual literature study. It is expected that this research will contribute to value-based leadership theory and provide guidance for leaders in the digital era to apply ethical principles in management. Through the "Critical-Ethical Leadership Framework (CELF)" model, this research offers insights into how leadership can better focus on human values while helping organizations adapt to technology in an ethical manner.
PENETAPAN KADAR NATRIUM SIKLAMAT PADA MADU BERMERK DAN TIDAK BERMERK DI DESA BULUHALA KOTA DUMAI SECARA SPEKTROFOTOMETRI UV-Vis Fatimah, Cut; Bagas F, Muhammad; Andilala, Andilala; Kamelia, Kamelia
Journal of Innovative and Creativity Vol. 6 No. 2 (2026)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joecy.v6i2.10691

Abstract

Madu merupakan produk alami yang dihasilkan oleh lebah dari nektar bunga yang memiliki rasa manis dan mengandung berbagai zat aktif yang bermanfaat bagi kesehatan. Namun, saat ini banyak ditemukan madu yang ditambahkan bahan tambahan pangan berupa pemanis buatan seperti natrium siklamat untuk meningkatkan rasa manis dan menekan biaya produksi. Penggunaan natrium siklamat yang berlebihan dapat membahayakan kesehatan karena produk metabolismenya, sikloheksamin yang bersifat karsinogenik. Penelitian ini bertujuan untuk mengetahui kadar natrium siklamat pada madu bermerk dan tidak bermerk di Desa Buluhala Kota Dumai serta membandingkannya dengan batas maksimum yang diperbolehkan berdasarkan Peraturan Menteri Kesehatan Republik Indonesia Nomor 722/Menkes/Per/IX/1988 yaitu 350 mg/kg. Untuk itu, perlu di lakukan uji kadar natrium siklamat yang terdapat dalam madu bermerk dan tidak bermerk dilakukan secara spektrofotometri UV-Vis, sebelum dilakukan penetapan kadar diawali dengan uji identifikasi menggunakan beberapa pereaksi untuk memastikan ada nya kandungan siklamat di dalam sampel. Hasil penelitian menunjukkan bahwa seluruh sampel madu bermerk dan tidak bermerk mengandung natrium siklamat. Kadar natrium siklamat pada madu tidak bermerk yaitu 304,71 ± 2,71 mg/kg, 333,80 ± 1,97 mg/kg, dan 337,53 ± 2,21 mg/kg sedangkan pada madu bermerk nilainya lebih rendah dan masih di bawah batas maksimum, dapat disimpulkan bahwa madu tidak bermerk mengandung natrium siklamat dengan kadar yang mendekati batas maksimum yang diizinkan, sedangkan madu bermerk masih berada pada kadar aman. Diperlukan pengawasan lebih lanjut terhadap produk madu yang dijual bebas di pasaran agar sesuai dengan ketentuan keamanan pangan.
DEVELOPMENT OF ADOBE FLASH LEARNING MEDIA FOR PRACTICALITY AND EFFECTIVENESS IN MATHEMATICAL REASONING Raihan Nahriza Zairi; Muhammad Bagas F
Algebra : Jurnal Pendidikan, Sosial dan Sains Vol. 6 No. 2 (2026): Algebra : Jurnal Pendidikan Sosial dan Sains
Publisher : Yayasan Amanah Nur Aman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58432/23h5cp13

Abstract

This study aims to develop mathematics learning media using Adobe Flash that are practical and effective in improving students’ mathematical reasoning abilities on trigonometry material. The research employed a Research and Development (R&D) approach using the ADDIE instructional design model, which consists of the stages of Analysis, Design, Development, Implementation, and Evaluation. The subjects of this study were eleventh-grade students of MAN 2 Model Medan. The research instruments included teacher and student response questionnaires to measure the practicality of the learning media, as well as tests of students’ mathematical reasoning abilities to determine its effectiveness. The results showed that the practicality of the Adobe Flash-based learning media, based on teacher and student responses after implementation, obtained an average score of 91%, which falls into the “very practical” category. Furthermore, the effectiveness of the media was indicated by the improvement in students’ mathematical reasoning test results, with an achievement percentage of 71%. A t-test analysis demonstrated that the calculated t-value (t_count = 12.96) was greater than the t-table value (t_table = 2.14), indicating a significant difference between pretest and posttest scores. These findings suggest that the Adobe Flash-based mathematics learning media are practical and effective for enhancing students’ mathematical reasoning abilities.
Co-Authors Aisyah Tanjung, Siti Alya Rosandiyus Putri Amirudin Andilala Anriani, Pipi Anwar, Laila Astrid, Moniqa Candani, Mella Desi Fitria, Monica Edi Suprayetno Fadhillah Lubis, Muhammad Arif Fatimah, Cut Gibran, M. Khalil Heni Prastika Indra Sakti Siagian Juliana Sion Sihombing Juliana Sion Sihombing Kamelia Kamelia Kurniawan Sinaga Lahmuddin Lubis Lili Nurmaliza Lubis, Muhammad Arif Fadhillah Lubis, Nur Azizah M Khalil Gibran M. Arif Fadhillah Lubis Mhd Ikhsan Rifki Mohamad Aji Prasetia Mohamad Aji Prasetia Muhammad Arif Fadhillah Lubis Muhammad Gunawan Muhammad Halomoan Nur Azizah Lubis Nur Azizah Lubis Nursiah Nurussakinah Daulay Daulay Ola Syahira Prasetia, Mohamad Aji Putri Sofia Ardhana Raihan Nahriza Zairi Safriana Safriana Safrina Safrina, Safrina Salim Salim Salminawati Setiawan, Hafif SIHOMBING, JULIANA SION Siti Aisyah Siti Aisyah Tanjung Syahira, Ola Tanjung, Siti Aisyah Triand Ester DP Sitohang Wahyuni, Afni Zulham Effendi