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All Journal Jurnal Manajemen Pendidikan Penelitian Kualitatif Journal of Bioprocess Chemical and Environmental Engineering Science Jurnal Abdi Masyarakat Indonesia Journal of Engineering Science and Technology Management
Suhendri Suhendri
Universitas Riau
Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Public Health

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IMPLEMENTASI MANAJEMEN PENDIDIKAN KARAKTER DI SMA ISLAM TERPADU(SMA-IT) BANGKINANG Suhendri Suhendri; Makhdalena Makhdalena; Rr. Sri Kartikowati
Jurnal Manajemen Pendidikan Penelitian Kualitatif Vol 2, No 2 (2018)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jmppk.2.2.p.273-284

Abstract

Character education is aimed to shape people with strong integrity, good conduct,outstanding morale, being dynamic, competitive, science and technology skills oriented as wellas believing in the One Supreme God. The implementation of character education should besupported by all sides including SMA Islam Terpadu Bangkinang, Kampar District. The purposeof this study was to describe the implementation of character education management at SMAIslam Terpadu Bangkinang covering planning process, implementation and evaluation. The studyemployed qualitative method with triangulation. The validity of the data were checked trhoughreliability, transferability, dependability and confirmability. The data were analyzed using flowmodel of Miles and Huberman and the results of the study showed that the planning processcovered (a) planning conducive school condition, (b) designing explicit character educationcurriculum, (c) creating integrated character curriculum, (d) classroom management, and (e)outside-class environmental management. The implementation stage covered (a) theimplementation of character education in the teaching and learning process, (b) theimplementation of character education in extra-curricular activities, and (c) the implementationof character education in daily life. Finally, evaluation stage focused on (a) the collaborationwith the students’ parents, and (b) the strict control towards good conduct.
Edukasi Bahan Kimia Berbahaya sebagai Pengawet Makanan di Kecamatan Tangkerang Timur, Pekanbaru, Riau Al’farisi, Cory Dian; Sunarno, Sunarno; Fadli, Ahmad; Mutamima, Anisa; Azis, Yelmida; Nurfatihayati, Nurfatihayati; Utama, Panca Setia; Suhendri, Suhendri; Habib, Alltop Amri Ya
Jurnal Abdi Masyarakat Indonesia Vol 4 No 5 (2024): JAMSI - September 2024
Publisher : CV Firmos

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54082/jamsi.1331

Abstract

Bahan pengawet adalah sejenis bahan tambahan yang sudah digunakan secara umum oleh masyarakat. Penambahan bahan pengawet pada berbagai jenis makanan memiliki tujuan untuk mencegah tumbuhnya bakteri pembusuk, baik pada bahan mentah maupun produk akhir. Penggunaan bahan pengawet sejauh ini tidak memperhatikan dosis dan jumlah asupan yang ditambahkan sehingga sering menjadi pemicu gangguan kesehatan. Namun banyak produsen makanan yang sering melakukan penyalahgunaan penambahan bahan pengawet bersifat toksik dan karsinogenik ke dalam bahan pangan, sehingga perlu adanya edukasi dan sosialisasi cara mendeteksi secara sederhana zat pengawet yang ada dalam pangan pada masyarakat terutama di Yayasan Al-Anshar. Hal ini karena yayasan Al-Anshar memiliki badan usaha sendiri yang mampu memproduksi berbagai jenis makanan seperti: berbagai jenis roti, bakso, tahu dan makanan ringan lainnya. Kegiatan pengabdian ini diawali dengan edukasi dan sosialisasi mengenai jenis-jenis bahan pengawet pada makanan. Hasil kegiatan menunjukkan bahwa edukasi bahan pengawet pada produk makanan dapat meningkatkan pengetahuan dan pemahaman peserta pelatihan sehingga mampu melakukan analisis dengan metode sederhana dalam mendeteksi bahan pengawet yang berbahaya seperti formalin dan boraks.
Pengaruh Waktu Reaksi Transesterifikasi Biodiesel dari Minyak Lemak Ayam dengan Menggunakan Katalis MgO Habib, Alltop Amri Ya; Suhendri, Suhendri
Journal of Bioprocess, Chemical and Environmental Engineering Science Vol 5 No 2 (2024): Journal of Bioprocess, Chemical, and Environmental Engineering
Publisher : Department of Chemical Engineering, Faculty of Engineering, UNRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jbchees.5.2.69-76

Abstract

Generally, biodiesel is produced from vegetable oils, however, this raw material has certain drawbacks, such as price fluctuations due to its competing use in the food industry, making it less economical. Therefore, this study utilizes chicken fat oil as an alternative raw material for biodiesel production, using MgO as a catalyst. The biodiesel was produced through a transesterification reaction at a temperature of 60°C, with an oil-to-methanol ratio of 25 ml:30 ml, and 0.5 g of catalyst. The study varied the reaction times, which were 60 minutes, 120 minutes, and 180 minutes. The best result was obtained at a reaction time of 180 minutes, yielding 92.19%. The biodiesel produced had a density of 0.962 g/ml, a viscosity of 2.931 cSt, and a water content of 0.0416%.
Dynamic Modeling and Nyquist Stability Analysis of a Non-Interacting Two-Tank Series Thermal System Yogi Yolanda; Yola Bertilsya Hendri; Salma Liska; Lisa Legawati; Suhendri Suhendri; Alltop Amri Ya Habib; Zulfansyah Zulfansyah
Journal of Engineering Science and Technology Management (JES-TM) Vol. 6 No. 2 (2026): JES-TM 2026
Publisher : Journal of Engineering Science and Technology Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestm.v6i2.431

Abstract

Series tank systems are vital in chemical industries but susceptible to mass and thermal disturbances, making stability analysis essential. This study models the level and temperature dynamics of a non-interacting two-tank system equipped with a heater in Tank-01, analyzing its stability via Nyquist plots. The methodology involves laboratory step-response experiments validated against mathematical models derived using Laplace Transforms and Explicit Euler methods. Results demonstrate the model closely matches experimental data; Tank-01 exhibits first-order characteristics, while Tank-02 functions as a second-order system. The physical system successfully handled +52% and -35% step disturbances within liquid height limits of 3–24 cm and feed flow rates of 40.33–136.5 cm³/s. Furthermore, Nyquist analysis confirms the open-loop thermal process is inherently stable across all tested capacities. Maximum level and thermal process gains were 0.3787 and 0.0062, respectively. Ultimately, this study confirms the non-interacting two-tank system possesses stable, self-regulating characteristics against load disturbances within operational limits.
Co-Authors Ahmad Fadli Alfarisi, Cory Dian Alltop Amri Ya Habib Alltop Amri Ya Habib Lisa Legawati Makhdalena Makhdalena Mutamima, Anisa Nurfatihayati Rr Sri Kartikowati Salma Liska Sunarno Sunarno Utama, Panca Setia Yelmida Azis Yogi Yolanda Yola Bertilsya Hendri Zulfansyah Zulfansyah