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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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Penerapan Hukum Newton dalam Menghitung Sudut Efektif pada Gerakan Bench Press Safitri, Niken Ari; Natalisanto, Adrianus Inu; Munir, Rahmawati
Progressive Physics Journal Vol 4 No 1 (2023): Progressive Physics Journal
Publisher : Program Studi Fisika, Jurusan Fisika, FMIPA, Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/ppj.v4i1.1016

Abstract

Bench press is a form of powerlifting exercise that aims to increase the strength and endurance of the muscles of the upper body, that is, the muscles of the chest, arms, and shoulders. The characteristic of the bench press exercise is to lift or push the weight using both hands in a supine position. The purpose of this research is to determine the effective angle required for lifting weights with the least amount of thrust (biomechanics aspects). The research steps were carried out in four stages, namely: first, designing biomechanics mathematical equations; second, experiments on people doing bench press movements; third, processing biomechanics data; and fourth, analysis and discussion of biomechanics data. According to the study's findings, an effective angle was obtained by analyzing the thrust to lift the barbell, that is, the angle flanked by the upper and lower arms, which is approximately 89°-114° for those who use the smallest thrusts on the grip: 0.4 m, 0.5 m, and 0.6 m. It can be concluded that the wider the distance between the grips, the greater the thrust required.
Kaitan Luas Permukaan Pot Bonang Dengan Frekuensi Nada Dasar Yang Dibangkitkan Pebriani, Putri Hesti; Munir, Rahmawati; Natalisanto, Adrianus Inu
Progressive Physics Journal Vol 4 No 1 (2023): Progressive Physics Journal
Publisher : Program Studi Fisika, Jurusan Fisika, FMIPA, Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/ppj.v4i1.1017

Abstract

One of the musical instruments in the gamelan is the bonang instrument. A bonang is a musical instrument with a small, hollow structure. This study was conducted to determine the relationship between the surface area of the bonang pot and the frequency of the basic tone generated, and to find out the results of the variety of sounds on the bonang musical instrument. A bong that was stopped only after the sound was muted was applied to record the audio directly. Using AudioCyti software, a surface area and frequency are then measured, and the output signal is measured using the Fourier transform method. The parameters measured are surface area and frequency. In accordance with the results of this study, there is a connection between surface area, or the basic frequency, which is achieved with a frequency of 0.88363, and frequency, which is obtained with a frequency of 0.986053. So, it is concluded from the study that has been carried out that the surface area has an influence on the frequency. Users can determine the frequency of a bonang musical instrument's fundamental tone by varying its frequency values from lowest to highest and analyzing the output signal with audiocyti software. As a result, each sound produced by a bonang pot is distinct and nonsequential. This is because, like modern musical instruments, a bonang laras slendro does not yet have a set tone frequency.
Comparison of Photon Dose Distribution in Breast Cancer Using 3DCRT and Half Beam Techniques Yusrani, Nurrohimawati; Robert Janssen Stevenly; Rahmawati Munir; Erlinda Ratnasari Putri
Jurnal Inotera Vol. 9 No. 2 (2024): July - December 2024
Publisher : LPPM Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31572/inotera.Vol9.Iss2.2024.ID359

Abstract

Radiotherapy planning can be done with 3D Conformal Radiotherapy (3DCRT) and Half Beam. The success of radiotherapy planning is considered by comparing the isodose curve, Dose Volume Histogram (DVH), Organs At Risk (OAR), Homogeneity Index (HI), and Conformity Index (CI) obtained by the 3DCRT and Half Beam techniques. This study used data from 5 patients at the Radiotherapy Installation at A.W. Hospital. Sjahranie Samarinda with radiation planning of 5000 cGy (25×2 Gy) for breast cancer. The two radiation plans used gantry angles of 310˚ and 120˚. The calculated dose distribution value can be seen through the 90%, 95% PTV dose, and OAR absorbed dose. PTV doses of 90% and 95% in the 3DCRT technique covered the target well. The radiation dose values of the 3DCRT technique at PTV 90% were around 4860 cGy – 4930 cGy and PTV 95% were around 4750 cGy – 4840 cGy. Meanwhile, the Half Beam technique could not cover the target well. It was because the radiation dose values received by the Half Beam technique at 90% PTV were around 780 cGy – 4860 cGy and 95% PTV were around 2210 cGy – 5020 cGy. The OAR absorbed doses values for the 3DCRT and Half Beam techniques were still within the safe limits of tolerance according to QUANTEC. Meanwhile, the HI and CI values in the 3DCRT technique were closer to the rules of ICRU Report 83 of 2010 compared to the Half Beam technique. Therefore, from the values that have been obtained, the success rate of the radiotherapy planning process after measurements is shown in the 3DCRT technique. It has the value of more efficient dose calculations and can be used as a reference in optimizing dose distribution to patients.
PELATIHAN DAN PENDAMPINGAN PENERAPAN TEKNOLOGI SEL SURYA UNTUK PENGENTASAN MASALAH ELEKTRIFIKASI Dadan Hamdani; Sahara Hamas Intifadhah; Rahmawati Munir; Adrianus Inu Natalisanto; Suhadi Muliyono
SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Vol 7, No 4 (2023): December
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jpmb.v7i4.19814

Abstract

ABSTRAKEnergi listrik merupakan kebutuhan dasar bagi masyarakat pada modern sekarang ini, dimana keberadaanya sangat mempengaruhi berbagai sendi kehidupan. Keterbasan dalam penyaluran energi listrik disebabkan oleh faktor geografis yang sulit dijangkau mempengaruhi peningkatan biaya investasi dalam pemasangan instalasi dan distribusi jaringan listrik. Tujuan dari pengabdian ini yaitu mengidentifikasi tingkat kebutuhan energi listrik dan memberikan sosialisasi serta penyuluhan kepada masyarakat mengenai Teknologi Tepat Guna (TTG) sel surya. Upaya yang dilakukan adalah dengan penerapan energi terbarukan melalui konversi sumber energi matahari menjadi energi listrik secara langsung yang merupakan solusi alternatif dalam pemenuhan kebutuhan energi listrik sehari-hari untuk daerah-daerah yang belum terjangkau jaringan listrik PLN. Metode yang digunakan untuk penerapan teknologi sel surya ini dilakukan melalui kegiatan pelatihan, penyuluhan dan pendampingan kepada masyarakat di sekitar Desa Muara Enggelam, Kabupaten Kutai Kartanegara. Hasil dan kegiatan ini menunjukkan bahwa masyarakat memperoleh wawasan dan kemampuan dalam mengoperasikan teknologi sel surya. Selain itu kegiatan ini juga menghasilkan prototipe Teknologi Tepat Guna (TTG) yang kompatibel, berdaya guna, dan mudah dioperasikan bagi pengguna listrik DC, AC dan gabungannya (DC+AC) untuk pemenuhan kebutuhan listrik sehari-hari. Penerapan jangka panjang dari prototipe TTG ini perlu dilakukan kajian, baik terkait kelayakan kinerja teknologi sel surya yang melibatkan banyak faktor maupun kajian kelayakan secara ekonomi terkait pembiayaan teknologi sel surya ini.           Kata kunci: : energi listrik; energi matahari; sel surya; prototipe TTG; kelayakan. ABSTRACTElectrical energy is a basic need for people in today's modern society, where its existence greatly affects various aspects of life. Limitations in the distribution of electrical energy caused by geographical factors that are difficult to reach affect the increase in investment costs in the installation and distribution of electricity networks. The purpose of this service is to identify the level of electrical energy needs and provide socialization and counseling to the community regarding appropriate technology (TTG) solar cells. The effort made is the application of renewable energy through the conversion of solar energy sources into electrical energy directly which is an alternative solution in meeting daily electrical energy needs for areas that have not been reached by the PLN electricity network. The method used for the application of solar cell technology is carried out through training, counseling and mentoring activities for the community around Muara Enggelam Village, Kutai Kartanegara Regency. The results and activities showed that the community gained insight and ability to operate solar cell technology. In addition, this activity also produced a prototype of Appropriate Technology (TTG) that is compatible, effective, and easy to operate for users of DC, AC and combined electricity (DC + AC) to fulfill their daily electricity needs. The long-term application of this TTG prototype needs to be studied, both related to the feasibility of solar cell technology performance involving many factors and economic feasibility studies related to the financing of this solar cell technology. Keywords: electrical energy; solar energy; solar cell; TTG prototype; feasibility.
Sintesis Adsorben Ampas Teh sebagai Penyerap Ion Logam Berat Timbal dalam Air Perdana, Akbar; Zarkasi, Ahmad; Hamdani, Dadan; Natalisanto, Adrianus Inu; Munir, Rahmawati
Progressive Physics Journal Vol. 5 No. 2 (2024): Progressive Physics Journal
Publisher : Program Studi Fisika, Jurusan Fisika, FMIPA, Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/ppj.v5i2.1026

Abstract

Heavy metal pollution is still a serious problem today. One method that can be used to remove heavy metal content from water is the adsorption method. In the adsorption method, the choice of adsorbent is very important to optimize the adsorption process. One of the materials that can be used as an adsorbent is tea waste. Tea waste contains cellulose, which can be used to bind heavy metal ions. This research was conducted to synthesize adsorbents using tea waste and then test their ability to adsorb lead ions. The adsorbent synthesis process is divided into several stages, namely washing, drying, refining, soaking in HCl solution, and drying again. The results of the adsorption tests conducted found that the tea waste adsorbent could remove 99% of the lead metal ion content in the water. The conclusion from these results is that the synthesis process has succeeded in making tea waste adsorbent that can adsorb lead ions in water.
Synthesis and Modeling of Adsorbents from Natural Materials for Heavy Metal Lead in Mahakam River Water Samples Rahmawati Munir; Ahmad Zarkasi; Dadan Hamdani; Sahara Hamas Intifadhah; Akbar Perdana; Alris Sanca Pratama Putra
Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat Vol 20, No 3 (2023): 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.v20i3.16934

Abstract

The Mahakam River is a source of water for the people of Samarinda, East Kalimantan. However, Mahakam river water is not classified as quality water. As a result of industrial mining activities, river water is polluted by heavy metals such as Lead (Pb). These problems can be overcome by using the adsorption method to purify water. The adsorption method has become popular in adsorbing heavy metals contained in polluted water. The purpose of this study was to synthesize natural materials which are adsorbents for the heavy metal Pb. The materials used as natural adsorbents are household waste, namely ashes (AG), egg shells (CT), tea dregs (AT). Based on the results of the Atomic Absorption Spectroscopy (AAS) characterization test, data were obtained on the decrease in the concentration of heavy metal Pb in samples of Mahakam river water. The initial concentration of 1.8 mg/L became 0.24 mg/L (10 gr adsorbent AG) and became 0.17 mg/L (10 gr adsorbent AG+CT). While the use of AT adsorbent was applied to artificial waste with an initial concentration of 40 mg/L to 0.002 mg/L. Furthermore, according to data measurement, modeling was carried out using the Langmuir Isotherm and Freundlich Isotherm models to determine the adsorption capacity of tea dregs, eggshells, and ashes.
Kajian Konsep Fisika Kinematika Gerak pada Hero Khufra (Skill Tyrent’s Revenge) dalam Game Online Mobile Legends Bang Bang Agus Anwar; Munir, Rahmawati; Inu Natalisanto, Adrianus; Djayus; Rayzy Perwitasari Sutaji Putri, Devina
JFT : Jurnal Fisika dan Terapannya Vol 11 No 2 (2024): DESEMBER
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v11i2.52568

Abstract

In the Mobile Legends Bang Bang game, one aspect related to motion kinematics is the charging time for the hero Khufra, which influences the distance of displacement from the starting point to the endpoint. As a result, it is necessary to study the concept of kinematic motion in this game, particularly focusing on the use of Khufra's Tyrent's Revenge skill. This study aims to explore the concept of motion kinematics in Mobile Legends Bang Bang and examine how the charging duration of Khufra's Tyrent’s Revenge skill affects the displacement distance. The research utilizes data in the form of video recordings showcasing the use of Tyrent’s Revenge by Khufra in the game. The videos are analyzed using video tracking software that can generate visualization of graphs, time, and distance of movement. The data obtained is then entered into Excel software to determine the linear regression curve and calculate the R-Squared (R^2) value. The results of this research show that in the game Mobile Legends Bang Bang, the kinematics of motion can be described through the displacement distance of the Khufra’s hero from the starting point to the end point. The analysis results indicate a linear regression curve with the equation y = 0.4422x - 1.0723 and an R² value of 0.9757. A value of R2 approaching 1 indicates a strong influence of launch time on the displacement distance of Khufra’s hero.
Penerapan Urban Farming sebagai Alternatif dalam Pengembangan Kota yang Berketahanan Pangan (Studi Kasus pada Urban Farming Guyub Rukun RT 18 Kelurahan Bontang Baru) Khuluqi, Ibnu Akmal; Muhammad Naufal Azhari; Rahmawati Munir
TRANSFORM: Journal of Tropical Architecture and Sustainable Urban Science Vol. 3 No. 2 (2024): TRANSFORM
Publisher : Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/transform.v3i2.1751

Abstract

Urban farming menjadi salah satu solusi alternatif untuk meningkatkan ketahanan pangan di wilayah perkotaan. Penelitian ini berfokus pada penerapan urban farming di Guyub Rukun RT 18 Kelurahan Bontang Baru, yang bertujuan untuk mengkaji bagaimana program ini dapat memanfaatkan lahan sempit di lingkungan perkotaan untuk pertanian produktif. Metode penelitian yang digunakan adalah kualitatif dengan pendekatan studi kasus, yang melibatkan observasi langsung, wawancara mendalam, dan dokumentasi. Hasil penelitian menunjukkan bahwa urban farming di RT 18 berhasil meningkatkan ketahanan pangan lokal, mempererat ikatan sosial warga, serta didukung oleh dana CSR dari PT Pupuk Kaltim. Meskipun menghadapi tantangan seperti keterbatasan teknologi dan sumber daya, masyarakat mampu mengatasi hambatan tersebut melalui adaptasi manual dan kolaborasi lintas sektor. Program ini memberikan kontribusi nyata terhadap keberlanjutan lingkungan dan sosial, serta dapat direplikasi di kawasan perkotaan lainnya. Oleh karena itu, disarankan untuk meningkatkan dukungan teknologi pertanian dan pelatihan keterampilan bagi masyarakat agar program urban farming dapat terus berkembang dan memberikan manfaat yang lebih besar. Kata kunci: urban farming, ketahanan pangan, masyarakat perkotaan, studi kasus, kolaborasi lintas sektor
Diagnostic Reference Levels (DRLs) for SPECT Examinations at the Nuclear Medicine Installation of the RSUD A.W. Sjahranie Samarinda Nadia Rudyanti; Rahmawati Munir; Erlinda Ratnasari Putri
BULETIN FISIKA Vol 26 No 1 (2025): BULETIN FISIKA
Publisher : Departement of Physics Faculty of Mathematics and Natural Sciences, and Institute of Research and Community Services Udayana University, Kampus Bukit Jimbaran Badung Bali

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

Abstract

Diagnostic reference Level (DRL) is an investigational tool used to help optimize patient protection during diagnostic and interventional procedures in nuclear medicine, the administered activity is based on the patient's body weight. This study aims to determine the diagnostic reference levels (DRLs) for SPECT Examinations: Bone Scan using radiopharmaceutical 99mTc MDP, Whole Body Scan using radiopharmaceutical 99mTc MIBI, and Thyroid Whole-Body Scan using radiopharmaceutical 131I. This study included patient aged 15 to 60 years with body weight ranging 35 to100 kg. The DRL was calculated based on the 75th percentile and the results were compared with the BAPETEN DRL and previous research. Finding. The DRLs determined for RSUD AWS Samarinda were 999MBq for Bone Scan examination using 99mTc MDP, 921.3 MBq for Whole Body Scan using 99mTc MIBI and 3145 MBq for Thyroid Whole-Body Scan. Based on results, the DRL of Bone Scan and Thyroid WBS exceed the BAPETEN DRL while the DRL for Whole Body Scan using 99TC-MIBI is below the BAPETEN DRL.
Analisis Kondisi Peta Persebaran Pencahayaan dan Kebisingan di PT. Pamapersada Nusantara Distrik Baya Menggunakan Software Surfer R, Andrian; Munir, Rahmawati; Putri, Devina; Wardani, Wardani; Mislan, Mislan
JFT : Jurnal Fisika dan Terapannya Vol 11 No 2 (2024): DESEMBER
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v11i2.52230

Abstract

This research was motivated by the issues of lighting and noise in the mining company. Insufficient lighting could lead to accidents and eye strain, while noise from heavy machinery could cause health problems and reduce workers' performance. Therefore, this study aimed to identify and map areas with levels of lighting and noise at PT. Pamapersada Nusantara Distrik Baya, as well as to analyze the distribution map based on SNI 16-7062-2004 for lighting and SNI 8427:2017 for noise. The results of the study showed that there was a variation in lighting and noise levels in different areas, caused by factors such as light source obstructions like large parked units in the measured area and working hours. Areas with suboptimal lighting often hindered workers' tasks, while areas with high noise levels posed a risk of hearing loss. The conclusion of this study indicated that the variation in lighting and noise levels in the work areas of PT. Pamapersada Nusantara Distrik Baya was significantly influenced by environmental conditions during working hours. The recommendations provided by PT. Pamapersada Nusantara Distrik Baya to improve employee comfort and performance included the equalization and maintenance of lighting and noise infrastructure.
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