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All Journal ELKHA : Jurnal Teknik Elektro JURNAL FISIKA Jurnal Fisika Unand BULETIN FISIKA Jurnal Fisika FLUX AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurnal Inotera Jurnal Fisika dan Terapannya Jurnal IPTEK Bagi Masyarakat Progressive Physics Journal Jurnal Ilmu dan Inovasi Fisika Geosains Kutai Basin InSTEM ANDIL Mulawarman Journal of Community Engagement Journal of Tropical Architecture and Sustainable Urban Science Frontier Advances in Applied Science and Engineering
Munir, Rahmawati
Departement Of Physics, Faculty Of Mathematics And Natural Science, Mulawarman University
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Analisis Pemantauan Dosis Efektif Jaringan Paru-Paru pada Pekerja Radiasi Menggunakan Thermoluminescent Dosimeter (TLD) di RSUD A.W. Sjahranie Samarinda Rappan, Erlin; Munir, Rahmawati; Putri, Erlinda Ratnasari
Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat Vol 21, No 3 (2024): Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v21i3.17384

Abstract

Thermoluminescent Dosimeter (TLD) is a personal dosimeter to measure radiation exposure which can capture and store radiation energies. It hits them and emits them in the form of light when heated. TLD aims to measure radiation exposure received by radiation workers. The purpose of this study was to determine the effective dose value of lung tissue at the Radiology, Radiotherapy, and Nuclear Medicine Installations in 2018 until 2021 at A.W. Sjahranie Samarinda Hospital. Data processing in this study was carried out using quantitative analysis techniques, i.e., descriptive statistics. This analysis technique used secondary data obtained from the results of recapitulation of absorbed dose values in Radiology, Radiotherapy, and Nuclear Medicine Installations. Data processing was performed by multiplying the equivalent dose values by the lung tissue weight factor. The results of these calculations are visualized in the form of graphs based on the effective lung doses for years and types of installation. Based on this study, in general, the highest to lowest effective dose values for lung tissue are from the Radiotherapy, the Nuclear Medicine, and the Radiology Installations. It matches theoretically in various references.
Sosialisasi Pembuatan Ecoenzyme sebagai Solusi Alami untuk Kebersihan Lingkungan di Kelurahan Bontang Kuala Munir, Rahmawati; Hamdani, Dadan; Hamdi, M. Khilal; Murtadha, Nayla Izzatil; Munir, Rahmiati
ANDIL Mulawarman Journal of Community Engagement Vol. 2 No. 2 (2025): ANDIL Mulawarman J Comm Engag
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LP2M), Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/andil.v2i2.1987

Abstract

ABSTRACT: This community service activity aims to enhance environmental awareness and human resource capacity through the socialization of ecoenzyme as a natural solution for environmental cleanliness. The activity was conducted in Bontang Kuala Village, North Bontang District, with a focus on the production and utilization of ecoenzyme as an eco-friendly solution. The methods used consisted of three main stages: preparation of materials and tools for making ecoenzyme, presentation of the importance of environmental cleanliness, and hands-on practice of ecoenzyme production. The results of this activity showed an increase in community understanding of environmental cleanliness and the potential use of ecoenzyme in daily life. Participants were able to independently practice making ecoenzyme and are expected to apply it to maintain environmental cleanliness in Bontang Kuala Village.
Peningkatan Kompetensi Guru Fisika Tingkat SMA dalam Eksperimen Fisika Menggunakan Software Video Tracker Natalisanto, Adrianus Inu; Hamdani, Dadan; Muliyono, Suhadi; Intifadhah, Sahara Hamas; Munir, Rahmawati; Salamah, Alifah Balqis
ANDIL Mulawarman Journal of Community Engagement Vol. 2 No. 3 (2025): ANDIL Mulawarman J Comm Engag
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LP2M), Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/andil.v2i3.2078

Abstract

This community service activity aims to enhance the competence of high school physics teachers in East Kalimantan in using the Video Tracker software to support physics experiments. A total of 20 physics teachers participated with very high enthusiasm. The methods used in this activity included the Lecture Method, where participants were introduced to the basic theories and concepts of motion that can be analyzed using Video Tracker, the Demonstration Method, where the direct application of the software was shown to the participants, and the Assistance Method, where participants were guided step-by-step in conducting physics experiment simulations using Video Tracker. The results showed that teachers improved their skills in analyzing motion data using technology, which is expected to enrich the teaching process of physics in schools.
Upaya Peningkatan Minat Belajar Sains Fisika di SDN 022 Samarinda Utara Melalui Pelatihan Pengukuran Dasar Munir, Rahmawati; Mislan, Mislan; Zarkasi, Ahmad; Putri, Erlinda Ratnasari; Wahidah, Wahidah; Mandang, Idris
Aksiologiya: Jurnal Pengabdian Kepada Masyarakat Vol 7 No 4 (2023): November
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/aks.v7i4.11119

Abstract

Upaya peningkatkan minat siswa terhadap sains fisika harus dari usia karena selama ini bidang fisika masih dianggap pelajaran yang sulit . Tujuan pengabdian masyarakat ini adalah melaksanakan pembelajaran pengukuran dasar di SDN 022 Samarinda Utara. Khalayak sasaran merupakan siswa kelas 4-6 berjumlah 25 orang yang dipilih secara acak. Alat ukur dasar yang digunakan adalah mistar, jangka sorong, mikrometer, gelas ukur dan bahan-bahan yaitu kertas, batu, pasir, telur dan gelas. Tahapan pelaksanaan kegiatan penjelasan nama dan fungsi alat ukur, contoh penggunaan alat ukur dan praktek oleh siswa. Pemantauan dan dievaluasi dilakukan terhadap: pengalaman dan pemahaman alat ukur, ketrampilan penggunaan alat, apakah kegiatan menarik bagi peserta, saran/masukan kegiatan praktek di sekolah dan saran/masukan untuk kampus. Hasil menunjukkan, dari seluruh alat ukur yang familiar adalah mistar, sedangkan yang lain sebatas tahu dari gambar dan tidak pernah mempraktekan. Sebaiknya kegiatan praktikum di sekolah dapat dilaksanakan secara rutin dan berhubungan dengan kehidupan sehari-hari, dan untuk mendukung hal tersebut sekolah dan Universitas Mulawarman berkolaborasi secara berkelanjutan dalam bentuk kesepakatan sekolah mitra.
Exploring The Influence of Electrode Material on Electrical Impedance Spectroscopy: A Comparative Analysis Ahmad Zarkasi; Mohammad Asrul; Kholis Nurhanafi; Rahmawati Munir; Amirin Kusmiran; Kormil Saputra
Frontier Advances in Applied Science and Engineering Vol. 2 No. 2 (2024)
Publisher : Tinta Emas Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59535/faase.v2i2.279

Abstract

Electrodes play a crucial role in impedance measurements using the EIS method. This study undertook a comparative analysis of impedance measurement outcomes using aluminum, iron, stainless steel, copper, and tin electrodes with mineral water and distilled water as the measurement objects. The impedance Bode plots for mineral water and distilled water showed similar trends across all electrodes, while the phase difference trends varied. In this experiment, copper electrodes emerge as the preferred choice due to their consistently low impedance, particularly at higher frequencies, and their stable phase difference patterns. Additionally, copper electrodes showed superior stability up to 25 kHz, while tin electrodes remained stable up to 50 kHz, albeit valid only from a frequency of 100 Hz. The varying impedance and phase difference in mineral water measurements align with the Warburg impedance circuit, due to the presence of more complex capacitive and inductive elements. Furthermore, measurements with distilled water showed a uniform Bode plot pattern of both impedance and phase difference across all electrodes, making the Randles circuit approach the most appropriate choice in this case. Overall, all electrode types exhibited distinct characteristics.
Pelatihan Hidroponik Berbasis Deep Flow Technique bagi Kader Posyandu untuk Penguatan Ketahanan Pangan Rumah Tangga di Desa Babulu Darat Hamdani, Dadan; Sari, Syaharani Puspita; Anugro, Fawwaz Apto; Ekaviyanti, Ekaviyanti; Amanda, Nia; Khoiriyah, Khoiriyah; Simanjuntak, Dani Josafat; Akbarri, Destri Amelia; Andriana , Riska Dwi; Ar Rasyid, Muhammad Dhia; Hafidz, Muhammad Fauzil; Munir, Rahmawati
Jurnal IPTEK Bagi Masyarakat Vol 5 No 2 (2025)
Publisher : Ali Institute of Research and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55537/j-ibm.v5i2.1352

Abstract

The hydroponic training activity in Babulu Darat Village was carried out to support household food security through the empowerment of Posyandu cadres. This program aimed to improve participants’ knowledge and practical skills in applying the Deep Flow Technique (DFT) hydroponic system that can be implemented in home gardens. Using a participatory approach, the training included presentations, interactive discussions, and hands-on practice in assembling installations and cultivating leafy vegetables. Evaluation results based on pre-test and post-test assessments of 25 participants showed a significant improvement in knowledge, with the average score increasing from 56% to 81% after the training. This demonstrates the effectiveness of the DFT-based hydroponic training in enhancing both understanding and application skills. Participants expressed strong enthusiasm and readiness to continue developing hydroponics independently. The program contributed directly to strengthening household food security and supporting the achievement of Sustainable Development Goal (SDG) 2 is Zero Hunger through the promotion of community-based sustainable food self-reliance.
X-ray Absorption Near Edge Structure (XANES) Spectrum Interpretation for LiFePO4-Silicon Doped Cathode Material Intifadhah, Sahara Hamas; Nurhanafi, Kholis; Astuti, Fahmi; Munir, Rahmawati; Hamdani, Dadan; Darminto, Darminto
Jurnal Fisika Unand Vol 12 No 3 (2023)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.12.3.348-354.2023

Abstract

LiFePO4-Silicon doped has been widely developed as a battery cathode material. Due to the doping of silicon atoms, this study aims to determine the peak energy (E0), oxidation state and percentage of component composition for Fe K-edge. The experimental sample used are LFP Si-0%, LFP Si-1%, LFP Si-3% and LFP Si-6%. These samples were characterized using XAS (X-ray Absorption Spectroscopy). XANES spectrum showed the peak energy of Pre-edge area is 7113.08 – 7114.49 eV. The oxidation state of Fe atoms were increased and tend to be Fe3+ than Fe2+. Moreover, Linear Combination Fitting (LCF) used to determine the ratio composition FeO/Fe2O3 in experimental samples. The ratio composition indicated Fe atom is multivalent, when the percentage of silicon-doped increases, the ratio of Fe3+ increased.It has been found that the presence of silicon atoms in the LiFePO4 structure has an effect in electronic structure.
Co-Authors Adrianus Inu Natalisanto Agus Anwar Ahmad Zarkasi Akbar Perdana Akbar Perdana akbarri, Destri amelia Alris Sanca Pratama Putra Amanda, Nia Amirin Kusmiran Andriana , Riska Dwi Anisa Putri Anugro, Fawwaz Apto Ar Rasyid, Muhammad Dhia Astuti, Fahmi Dadan Hamdani Dadan Hamdani Dadan Hamdani Dadan Hamdani, Dadan Darminto . Darminto Darminto David Bandhaso Djayus Ekaviyanti, Ekaviyanti Elfrida Dwi Saputri Erlinda Putri Erlinda Ratnasari Putri Euis Sustini Fachrudy, Muhammad Adi Fahmi Astuti, Fahmi Hafidz, Muhammad Fauzil Hamdi, M. Khilal Idris Mandang Idris Mandang, Idris Igor Levi Satriani Intifadhah, Sahara Hamas Khalisha, Siti Nur Khoiriyah Khoiriyah Kholis Nurhanafi Khuluqi, Ibnu Akmal Kormil Saputra Margareta, Desyana Olenka Margaretta, Desiana Olenka Mikrajuddin Abdullah Mislan Mislan Mislan Mohammad Asrul Muhammad Naufal Azhari Munir, Rahmiati Murtadha, Nayla Izzatil Nadia Rudyanti Nadya Amalia Namira Yolanda Namira Yolanda Nurohman, Ali Pebriani, Putri Hesti Perdana, Akbar Putri, Devina R, Andrian Rahman, Dui Yanto Rahmayanti, Handika Dany Rappan, Erlin raudatul jannah Rayzy Perwitasari Sutaji Putri, Devina Robert Janssen Stevenly Safitri, Niken Ari Salamah, Alifah Balqis Sari, Syaharani Puspita Simanjuntak, Dani Josafat Sparisoma Viridi Suhadi Muliyono Sulistyowati, Rita Utami, Fisca Dian Wahidah Wahidah Wahidah Wahidah Wardani Wardani Wardhani, Pratiwi Sri Yanti, Nuri Yusrani, Nurrohimawati Zetsaona Sihotang Zurma, Retno