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All Journal Jurnal Litbang Industri Jurnal EMT KITA Jurnal SOLMA Jurnal Biology Education Jurnal Serambi Engineering Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Jurnal Ilmiah Edunomika (JIE) Jurnal Akuntansi dan Keuangan Jurnal Geuthee Proceedings of International Conference on Multidiciplinary Research sudo Jurnal Teknik Informatika Jurnal Litbang Industri Journal on Biology and Instruction (JouBIns) Serambi Engineering
Chairul Amni, Chairul
Universitas Serambi Mekah
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Social Sciences Other

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Strategi Pengelolaan Operasional untuk Meningkatkan Keuntungan dan Mengurangi Pengeluaran dalam Industri Daur Ulang Plastik Ikhbar, Samsul; Nelly, Nelly; Maksalmina, Maksalmina; Amni, Chairul; Arsyad, Arsyad; Aulia Fansuri, Ahmad
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The plastic recycling industry holds significant potential to reduce environmental impact and create new economic value. However, this industry faces challenges such as high production costs, process inefficiencies, and increasing sustainability demands. This article discusses operational management strategies, including the implementation of lean manufacturing, IoT-based smart technologies, and circular economy principles. Lean manufacturing focuses on waste reduction and efficiency improvement, while IoT enables real-time data analysis to detect and resolve inefficiencies. The adoption of circular economy principles demonstrates a reduction in the use of new raw materials, production costs, and waste. The findings reveal that combining these strategies enhances operational efficiency, reduces expenditures, and supports environmental sustainability. This article provides recommendations for the plastic recycling industry to innovate continuously in addressing global challenges
Diversity and Conservation: Coral Reefs in Lhok Mata-IE Ujung Pancu Aceh Besar Zulfikar, Teuku Muhammad; Fadhli, Muhammad; Amni, Chairul; Andalia, Nurlena
Journal on Biology and Instruction Vol. 4 No. 2 (2024)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/joubins.v4i2.12657

Abstract

 Coral reef diversity is a crucial indicator of marine ecosystems' health and coastal communities' well-being. This study aims to identify the diversity of coral reef species and their conservation efforts in Lhok Mata-Ie Ujung Pancu, Aceh Besar, using the quadratic transect survey method. The results show high diversity, dominated by hard coral species such as Acropora, Montipora, and Porites. However, the region faces serious threats from illegal fishing, pollution, and the impacts of climate change. In response, local communities, governments, and NGOs have implemented various conservation measures, including the establishment of protected areas and coral replanting programs. Such efforts require cross-sector collaboration to balance natural resource utilization with ecosystem protection. This research provides a solid foundation for the sustainable management of coastal areas and coral reefs in the future.
Analisis Distribusi dan Tren Nilai Mahasiswa dengan Pendekatan Statistik Deskriptif dan Visualisasi Data Sa’adah, Nailis; Andiansyah, Teuku; Hidayat, Taufik; Amni, Chairul; Sunyanti, Sunyanti
sudo Jurnal Teknik Informatika Vol. 4 No. 3 (2025): Edisi September
Publisher : Ilmu Bersama Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56211/sudo.v4i3.1233

Abstract

Penelitian ini bertujuan untuk menganalisis distribusi dan tren nilai mahasiswa pada mata kuliah Kalkulus selama periode lima tahun, yaitu dari tahun 2019 hingga 2023. Metode yang digunakan adalah statistik deskriptif untuk mengetahui karakteristik penyebaran nilai, seperti rata-rata, median, serta sebaran nilai dalam bentuk grafik boxplot dan histogram. Selain itu, visualisasi data diterapkan untuk memberikan gambaran yang lebih komprehensif mengenai tren nilai mahasiswa dari tahun ke tahun. Hasil penelitian menunjukkan adanya penurunan signifikan pada capaian nilai mahasiswa pada tahun 2021 yang diduga dipengaruhi oleh perubahan sistem pembelajaran akibat pandemi. Namun, pada tahun-tahun berikutnya (2022 dan 2023) terjadi peningkatan tren nilai, yang menunjukkan adanya perbaikan dalam strategi pembelajaran maupun adaptasi mahasiswa terhadap metode pembelajaran yang diterapkan. Temuan ini menegaskan pentingnya analisis data berbasis statistik dan visualisasi sebagai sarana evaluasi kinerja akademik, sekaligus memberikan landasan bagi pengembangan metode pembelajaran yang lebih efektif di masa depan.
Co-Authors Akrom, Akrom Alisman Alisman Anak Agung Gede Sugianthara Andalia, Nurlena Andiansyah, Teuku Arsyad Arsyad Aulia Fansuri, Ahmad Chairani, Mira Desi Sri Pasca Sari Sembiring, Desi Sri Pasca Sari Eka Marya Mistar I Gusti Wayan Murjana Yasa Ida Hasmita Ikhbar, Samsul Ikramullah Zein Indrayani Indrayani INDRAYANI INDRAYANI Irma Irmayanti Irmayanti Irmayanti Irmayanti Irmayanti, Irmayanti Ismet Ismet Ismet Ismet, Ismet Maksalmina, Maksalmina Mariana Mariana Mariana, Mariana Marwan, Marwan Maulinda Maulinda Maulinda, Maulinda Miftah Miftaurrahmah Muhammad Fadhli Nailis Sa'adah Nelly Nelly Nurlena Andalia R. Abdul Khalid Munandar Rita Astarina Rita Sunatarty Safiah Safiah Sunyanti, Sunyanti Supardi, Joli Taufik Hidayat Teuku Muhammad Zulfikar Teuku Zulfadli Zahara Zulfikar, Teuku Muhammad