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All Journal Eksakta : Berkala Ilmiah Bidang MIPA BEGAWE: Jurnal Pengabdian Masyarakat
Azril
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Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Energy Engineering Environmental Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences

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Solving Partial Differential Equations for Wave Equation Problem on Strings by Applying the Fourier Transform Amelia; Rusyaman, Endang; Kusuma, Dianne Amor; Azril
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol. 24 No. 04 (2023): Eksakta : Berkala Ilmiah Bidang MIPA (E-ISSN : 2549-7464)
Publisher : Faculty of Mathematics and Natural Sciences (FMIPA), Universitas Negeri Padang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/eksakta/vol23-iss04/346

Abstract

The wave equation on a string is an example of a partial differential equation problem. There are several methods for finding the solution to the wave equation on a string. The solution method will differ depending on definition of the function's domain. This study aims to determine the form of solving the wave equation on the strings and the results of the analysis of the wave motion that depends on the number of boundary conditions, using a particular solution method, namely the Fourier transform method. The boundary conditions used are Dirichlet boundary conditions. The Fourier transform method is used to obtain the solution of the wave equation on the string. The Fourier transform will transform the wave equation on the string and get the solution form of the wave equation on the string by applying the inverse Fourier transform. The results of this study obtained the same form of solution for each state from the wave equation on strings, namely in the form of the D'Alembert solution for the wave equation. As well, the movement of the wave will form a periodic solution by period , with a different form of deviation occurring at each point  for each value .
Methanol Extract of Melastoma malabathricum Leaves as Eco-Friendly Corrosion Inhibitor for Mild Steel in Sulfuric Acid Gusti, Diah Riski; Lestari, Intan; Farid, Faizar; Wahyudi, Abdi; Azril; Sukor, Mohd Zaki
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol. 24 No. 03 (2023): Eksakta : Berkala Ilmiah Bidang MIPA (E-ISSN : 2549-7464)
Publisher : Faculty of Mathematics and Natural Sciences (FMIPA), Universitas Negeri Padang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/eksakta/vol23-iss03/386

Abstract

Methanol extract of Melastoma malabathricum (MEMML) contains secondary metabolites such as phenolics and flavonoids. These compounds have OH groups that can interact with Fe contained in steel and form a thin layer for corrosion inhibition on mild steel. Inhibition of mild steel corrosion using MEMML leaves in sulfuric acid solution was carried out using weight loss and potentiodynamic polarization methods. The results showed that the mild steel corrosion rate decreased and inhibition efficiency increased with the addition of MEMML. FTIR and SEM analysis showed the interaction between mild steel with MEMML forming a layer on the surface of the steel so that it inhibits corrosion. The inhibition efficiency has increased with the length of immersion time and concentration of MML methanol extract. The highest inhibition efficiency, 98.86%, was obtained at 72 hours of immersion time and 10 g / L MEMML.
The Influence of Health Education on Adolescents Knowledge of Reproductive Health in the Working Area of the UPTD Munjul Health Center Siti Nuryawati, Lina; Idaningsih, Ayu; Irawan, Ade Tedi; Fitria, Citra; Azril
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol. 24 No. 03 (2023): Eksakta : Berkala Ilmiah Bidang MIPA (E-ISSN : 2549-7464)
Publisher : Faculty of Mathematics and Natural Sciences (FMIPA), Universitas Negeri Padang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/eksakta/vol23-iss03/407

Abstract

This study aims to identify adolescents' knowledge about reproductive health before and after health education is carried out in the working area of the UPTD Puskesmas Munjul Majalengka Regency in 2022. This type of research is a quantitative study with one group pre-test and post-test design. The population is 2467 people and the sample in this study is adolescents in the working area of the UPTD Munjul Health Center, Majalengka Regency, as many as 100 people in 2022. Data collection used a questionnaire. The data analysis technique used is the Wilcoxon test. The results showed that the average knowledge of adolescents about reproductive health before being given health education was 60.29% and after being given health education was 80.71%. The results of the hypothesis test with an alpha error rate of 0.05 obtained a value of p <0.05 meaning that there is an effect of health education on adolescent reproductive health knowledge in the working area of the UPTD Munjul Health Center, Majalengka Regency in 2022. It is hoped that health workers can improve health promotion programs such as counseling to adolescents in particular about the importance of reproductive health in order to optimize better adolescent health services.
WORKSHOP BEDAH BUKU NEGERI 5 MENARA: MENGGALI PESAN MORAL DAN EDUKASI DI SMK TAMAN SISWA 1 JAKARTA PUSAT Lestari, Try Annisa; Sultanika, Sifa; Rahmawati, Handini; Azril; Nursyam, Aan
BEGAWE: Jurnal Pengabdian Masyarakat Vol. 3 No. 3 (2025): BEGAWE: Jurnal Pengabdian Masyarakat, Oktober 2025
Publisher : Lembaga Berugak Baca

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62667/begawe.v3i3.318

Abstract

Kegiatan Workshop Bedah Buku Negeri 5 Menara karya Ahmad Fuadi ini bertujuan untuk menggali pesan moral dan nilai edukatif yang terkandung dalam novel serta meningkatkan literasi baca kritis siswa SMK Taman Siswa 1 Jakarta Pusat. Melalui kegiatan ini, peserta diperkenalkan pada pendekatan analisis sastra yang menitikberatkan pada pemaknaan unsur intrinsik seperti tema, tokoh, alur, latar, serta amanat yang relevan dengan pembentukan karakter generasi muda. Metode pelaksanaan kegiatan mencakup penyuluhan, diskusi interaktif, pembacaan kutipan teks, serta refleksi nilai secara kolaboratif antara dosen dan siswa. Hasil kegiatan menunjukkan bahwa peserta mampu mengidentifikasi nilai-nilai seperti kerja keras, disiplin, persahabatan, religiusitas, dan semangat meraih cita-cita (man jadda wajada). Workshop ini memperlihatkan bahwa karya sastra populer dapat menjadi media efektif dalam pembelajaran karakter dan penguatan literasi di lingkungan sekolah menengah kejuruan. Dengan demikian, kegiatan ini diharapkan dapat memperkuat sinergi antara perguruan tinggi dan sekolah dalam membangun budaya literasi dan pendidikan karakter berbasis karya sastra.
Co-Authors Amelia Ayu Idaningsih Diah Riski Gusti Endang Rusyaman Faizar Farid Fitria, Citra Intan Lestari Kusuma, Dianne Amor Lestari, Try Annisa Nursyam, Aan Rahmawati, Handini Sifa Sultanika Siti Nuryawati, Lina Sukor, Mohd Zaki Wahyudi, Abdi