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Variation in Ultraviolet (UV-C) Contact Time Using Solar Panels on the Reduction of Total Coliform in Clean Water at PT. X, Sumedang Regency Kaniawati, Nina; Iqbal, Muhamad; Bambang Purnama, Lubis; Yety Hanurawaty, Neneng
Banua: Jurnal Kesehatan Lingkungan Vol. 5 No. 2 (2025)
Publisher : Poltekkes Kemenkes Palu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33860/bjkl.v5i2.4219

Abstract

Background: Water contaminated with Total Coliform can lead to diseases such as diarrhea, cholera, dysentery, and other gastrointestinal infections. Preliminary testing of water at PT. X revealed a Total Coliform count of 56 CFU/100 ml, surpassing the safe threshold for clean water. This study aims to evaluate the effect of varying ultraviolet (UV-C) light contact times—90, 120, and 150 seconds—on the reduction of Total Coliform in clean water. Methods: An experimental post-test with a control group design was used. The sample size was determined by the number of treatment groups and repetitions, resulting in a total of 24 samples. Grab sampling was employed for sample collection. Results: The average Total Coliform count in the control group was 56 CFU/100 ml. After UV-C treatment, the counts decreased to 32 CFU/100 ml at 90 seconds, 11 CFU/100 ml at 120 seconds, and 0 CFU/100 ml at 150 seconds. One-way ANOVA analysis yielded a p-value of 0.000, indicating a significant effect of UV-C contact time on the reduction of Total Coliform in clean water at PT. X, Sumedang Regency. Conclusion: Disinfection using UV-C light with a contact time of 150 seconds is recommended
Analisis Video Reels Terhadap Pemasaran Digital Untuk Meningkatkan Engagement Media Sosial Instagram @ruasjaricoffee Iqbal, Muhamad; Sembiring, Evaliata Br
JOURNAL OF APPLIED MULTIMEDIA AND NETWORKING Vol 8 No 1 (2024): Journal of Applied Multimedia and Networking
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jamn.v8i1.8163

Abstract

Cafe Ruas Jari has recently experienced a decline in visitors, so the management needs innovative promotional media. Adapting to current trend developments, the management of Cafe Ruas Jari highlights promotional activities through social media. This is because social media has the opportunity to increase the number of visitors who come to Cafe Ruas Jari. This research focuses on creating promotional content in the form of videos that will be distributed via social media, then analyzing the increase in visitors through Instagram engagement. The research method used is Research and Development, namely creating promotional content in the form of video reels, which is then analyzed in order to determine the development of video promotional content based on the AIDA approach model. This analysis is carried out by measuring aspects of the development of engagement and insight contained in promotional video content that has been published on Instagram. The research results show that promotional content that has interaction and is produced using the AIDA model has quite a significant difference in user reach when compared to previous videos. There has been an increase in engagement on the Finger Segment Instagram to increase visitors and through respondents' assessment that the video meets the criteria for use as promotional media and can attract the attention of the audience.
TRANSFER OF CODES AND MIXED CODES IN INDONESIAN MOLEBRITIES INSTAGRAM: TRANSFER OF CODES AND MIXED CODES IN INDONESIAN MOLEBRITIES INSTAGRAM Iqbal, Muhamad
Bahtera Indonesia Jurnal Penelitian Bahasa dan Sastra Indonesia
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/bi.v6i2.87

Abstract

This study tries to analyze the code and code mix in Indonesian celebrity Instagram accounts. The research method used is descriptive. Is this research. Then, the source of this research data is uploading on celebrity Instagram accounts from May to June 2020. Meanwhile, the data in this study are the status information uploaded by Indonesian celebrities. Furthermore, collecting data in this study was carried out by making screenshots of uploaded photos or videos accompanied by information and data sourced from Indonesian celebrity Instagram accounts. Then, all the collected text will be categorized by the type of code switching and mixed code. Based on the analysis of research results can be seen as follows. (1) code switching found in the Indonesian celebrity Instagram account caption upload caption over internal code and external code transfer, (2) mixed code found in the Indonesian celebrity idiom Instagram Instagram account caption, and clauses.
Perbandingan Metode Decision Tree dan Naive Bayes Pada Tingkat Penjualan Minuman Kopi di Kopi Pawon Nusantara Iqbal, Muhamad; Miskiyah, Siti; Sham, Said Luthfil; Anwar, Syaiful; Fuad, Mohammad Haddiel
Jurnal INSAN Journal of Information System Management Innovation Vol. 4 No. 1 (2024): Juni 2024
Publisher : LPPM Universitas Bina Sarana Informatika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31294/jinsan.v4i1.3682

Abstract

Tujuan dari penelitian ini adalah untuk membandingkan dua model klasifikasi, yaitu Decision Tree dan Naive Bayes, dalam konteks meningkatkan penjualan di Kopi Pawon Nusantara. Penelitian ini menggunakan data penjualan minuman kopi untuk memahami pola pembelian pelanggan. Pemilik Kopi Pawon Nusantara menghadapi tantangan dalam menentukan minuman kopi yang paling diminati oleh pelanggan mereka. Data yang digunakan berasal dari penjualan sebelumnya di Kopi Pawon Nusantara. Dua algoritma, Decision Tree dan Naive Bayes, dievaluasi untuk mengukur performanya menggunakan metrik seperti akurasi, presisi, recall, dan area under curve (AUC) dari kurva ROC. Hasil Decision Tree mencapai akurasi sebesar 97,83% dengan AUC 0,957. Sementara itu, Naive Bayes memiliki akurasi sebesar 94,35% dengan AUC 0,969. Tujuan dari penelitian ini adalah untuk mendapatkan pemahaman tentang metode klasifikasi mana yang paling cocok untuk menangani data penjualan Kopi Pawon Nusantara. Hasilnya diharapkan dapat digunakan sebagai dasar untuk penelitian lanjutan yang akan memilih metode klasifikasi yang tepat, baik dengan dataset yang sama maupun dengan metode klasifikasi yang berbeda.
KAJIAN DINAMIKA TEMPORAL KERAPATAN BANGUNAN DI KOTA PAYAKUMBUH Iqbal, Muhamad; Novio, Rery
JURNAL BUANA Vol 8 No 3 (2024)
Publisher : DEPARTEMEN GEOGRAFI FIS UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/buana/vol8-iss3/3513

Abstract

Population growth increases the need for shelter which has an impact on various changes causing the need for space to increase. This need will cause the replacement of forests, gardens or city parks into buildings, housing, highways and others. This study aims to determine changes in the total area of building density in Payakumbuh City from 2001 to 2021. The research method used is the spatial analysis method, namely using NDBI analysis. The results of research using Landsat 7 ETM+ imagery in 2001, 2006, 2011, 2016 and 2021 show an increase in the building density area in 2001 covering 770 Ha, in 2006 covering 1221 Ha, in 2011 covering 1464 Ha, in 2016 covering 2359 Ha, and in 2021 covering an area of 2486 Ha.
Pelaksanaan Dan Pengembangan Literasi Pada Anak Di Desa Tanjung Pauh Kecamatan Singingi Hilir Azzahra, Annisa; Iqbal, Muhamad; Atthoriq, Baihaqqi Daffa; Kurnia, Shyfa Reyhana
Journal of Comprehensive Science Vol. 1 No. 2 (2022): Journal of Comprehensive Science (JCS)
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (598.275 KB) | DOI: 10.59188/jcs.v1i2.19

Abstract

Desa Tanjung Pauh Kecamatan Singingi Hilir Kabupaten Kuansing. Merupakan desa yang telah di tetapkan menjadi desa mandiri di Kuansing pada tahun 2021. Terpilihnya Desa Tanjung Pauh ini dikarenakan peningkatan potensi desa yang terus dilakukan oleh pihak kepala desa beserta perangkat desa Tanjung Pauh. Peningkatan yang dilakukan tersebut ialah membuka layanan yang optimal bagi seluruh warga desa, mengembangkan potensi daerah, dan mensejahterakan semua warga desa Tanjung Pauh. Di dalam perencanaan yang dilakukan oleh pihak perangkat desa terkait proses dalam mensejahterakan masyarakat desa Tanjung Pauh, Mahasiswa Kukerta Universitas Riau ikut andil dengan cara melakukan kegiatan program kerja yang bertujuan membantu proses peningkatan dan pengembangan literasi pada anak, program kerja ini membantu meningkatkan pertumbuhan sumber daya manusia yang baik dan berkualitas. Kegiatan yang dilakukan oleh Mahasiswa Kukerta Universitas Riau dalam peningkatan dan pengembangan literasi pada anak itu ialah melaksanakan kegiatan bimbingan belajar (BIMBEL) yang diadakan setiap hari Senin sampai Jumat, melakukan sosialisasi terkait praktek pelaksanaan cuci tangan dan menggosok gigi yang baik dan benar di SD 004 Tanjung Pauh , serta melakukan sosialisasi terkait kenakalan remaja yang di sampaikan langsung oleh Bhabinkamtibmas di SMPN 5 Singingi Hilir. Dalam program kerja ini Mahasiswa Kukerta Universitas Riau berusaha membantu terkait perencanaan yang di lakukan oleh kepala desa dalam proses mensejahterakan semua warga khususnya anak-anak, dalam membentuk SDM yang berkualitas agar dapat memberikan perubahan dan pertumbuhan kedepannya terkait kesejahteraan masyarakat di Desa Tanjung Pauh.
Decision Support System for Major Selection at SMA Muhammadiyah 1 Palembang Using the AHP Method Iqbal, Muhamad; Ibadi, Taqrim
Jurnal Teknologi Informatika dan Komputer Vol. 11 No. 1 (2025): Jurnal Teknologi Informatika dan Komputer
Publisher : Universitas Mohammad Husni Thamrin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37012/jtik.v11i1.2594

Abstract

Every new school year, the school always accepts new students. Based on the rules in effect at SMA Muhammadiyah 1 Palembang, grade X students are directed to choose an existing major. SMA Muhammadiyah 1 Palembang has 2 majors, namely the science major and the social science major. Students are expected to be able to identify their interests, talents and abilities so that they do not make mistakes in choosing a major. The problem that occurs in the process of choosing a major is the difficulty in determining the student's major interests which results in a mismatch between the results of determining the major and the student's interests, talents and abilities. The choice of major in high school will affect whether they will continue to college or their future career. Many new students are still confused about choosing a major at SMA Muhammadiyah 1 Palembang. Therefore, a system is needed, and this decision-making system (DSS) is a software to solve this problem because this information system can present the best major selection for students who will register using the AHP (Analytic Hierarchy Process) method. The methodology used in developing this system is Rapid Application Development (RAD), an incremental software development process, especially for short processing times. RAD is a software process model that emphasizes short development life cycles, and rapid adaptation using component construction.
Analisis Pengukuran Kerja untuk Menentukan Waktu Baku dalam Peningkatan Produktivitas Produksi Tube Underfloor di PT. UVW Indonesia Utomo, Nugroho Priyo; Febriansyah, Raja Dafa; Pramudianto, Muhammad Agus Kurniawan; Setiawan, Muhamad Budi; Iqbal, Muhamad; Irwati, Dwi
Innovative: Journal Of Social Science Research Vol. 5 No. 4 (2025): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v5i4.20770

Abstract

This study aims to analyze work measurement using the time study method to determine cycle time, normal time, and standard time on the Tube Underfloor production line at PT. UVW Indonesia. The research was conducted on the Tube Assembling Line 11, consisting of four workstations: Brazing, Bending, Assembling, and Quality Inspection. Data were collected using a stopwatch method with 30 measurements per station. The data were tested for uniformity and adequacy, followed by the calculation of normal time using the Westinghouse adjustment method and a 12% allowance factor. The results showed that the highest standard time occurred during the assembling process (74.1 seconds), and the lowest during quality inspection (40.0 seconds). The standard output was determined to be 49 units per hour. These findings indicate that a systematic work measurement method can help the company set realistic work standards and enhance overall efficiency and productivity.
Pengaruh Kepemimpinan Visioner Pimpinan Pondok dan Iklim Kerja Terhadap Kinerja Guru di Pondok Pesantren Sekabupaten Agam Timur Iqbal, Muhamad; Arif, Muhammad
Jurnal Studi Guru dan Pembelajaran Vol. 7 No. 3 (2024): September - Desember 2024
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/jsgp.7.3.2024.4519

Abstract

Masalah utama dalam penelitian ini yaitu beberapa guru di Pondok Pesantren Sekabupaten Agam Timur belum mempersiapkan perangkat pembelajaran dengan baik dan hanya menggunakannya untuk tujuan administratif, bukan untuk kegiatan belajar mengajar. Beberapa guru juga lambat memulai pembelajaran dan cenderung menggunakan metode ceramah yang kurang efektif. Sebagian besar guru juga tidak memiliki latar belakang pendidikan formal yang memadai, serta menghadapi keterbatasan akses terhadap pelatihan profesional. Penelitian ini bertujuan untuk menganalisis pengaruh kepemimpinan visioner dari pimpinan pondok serta iklim kerja terhadap kinerja para guru. Metode dalam penelitian ini menggunakan pendekatan kuantitatif dengan analisis regresi linier berganda, data dikumpulkan melalui angket dari 655 guru di 14 pesantren. Sampel penelitian terdiri dari 215 guru. Hasil penelitian menunjukkan bahwa Kepemimpinan Visioner mempengaruhi Kinerja Guru sebesar 27,9%, dengan indikator utama menciptakan budaya organisasi yang maju (37,5%). Iklim Kerja mempengaruhi Kinerja Guru sebesar 56,1%, dengan indikator utama menaruh kepercayaan dan terbuka (43,9%). Koefisien Determinasi (R²) sebesar 63,6% menunjukkan bahwa Kepemimpinan Visioner dan Iklim Kerja secara signifikan mempengaruhi Kinerja Guru di pesantren tersebut.
Karakterisasi nRF24L01+ dengan Kondisi Line of Sight dan Non-Line of Sight untuk Sistem Monitoring Bencana Banjir Iqbal, Muhamad; Costrada, Aldo Novaznursyah; Harmadi, Harmadi
Jurnal Fisika Unand Vol 11 No 1 (2022)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.11.1.50-56.2022

Abstract

Penelitian tentang karakteriasasi nRF2L01+ dengan kondisi line of sight dan non-line of sight untuk sistem monitoring bencana banjir. Penelitian dilakukan untuk melihat kemampuan transceiver nRF24L01+ dalam menstranmisikan data untuk sistem monitoring bencana banjir. Karakterisasi nRF24L01+ dilakukan di Pantai Air Manis, Jalan Bypass untuk kondisi line of sight, Jalan di Universitas Andalas, Perlintasan kereta api Alai Padang untuk kondisi non-line of sight. Hasil karakterisasi transceiver nRF24L01+ kondisi line of sight di Pantai Air manis sejauh 789,6 m dan 0,09 μtesla, di Jalan Bypass 268 m dan 1,74 μtesla. Kondisi non-line of sight di jalan di Universitas Andalas 318, 7 m dan 0,03 μtesla.Perlintasan kereta api Alai 127,94 dan 6,47 μtesla. Kondisi line of sight, non-line of sight dan noise medan elektromagnetik sangat mempengaruhi jarak transmisi data. Sistem transmisi menggunakan transceiver nRF24L01+ dapat digunakan pada sistem monitoring bencana banjir berdasarkan kekeruhan air sungai.
Co-Authors - Sumardianto A.A. Ketut Agung Cahyawan W Abdul Rauf Chaerudin Adirais, Dzulfikar Adz Dzakiyyah, Tsamarah Agus Sulaeman Ahmad Sarbini, Ahmad Akmal Hadi Alan Marino Alghifari, Gilang Arya Alimuddin Unde, Alimuddin Alkanan, Omer Mohamed Taha almuarif, almuarif Amelia Kurniawati Annisa Azzahra, Annisa Arief Rakhman, Muhammad Arintya, Fridia Aris Triwiyatno Arliando, Yode Asep Iwan Setiawan, Asep Iwan Atthoriq, Baihaqqi Daffa Bambang Purnama, Lubis Bambang Wiyono, Bambang Bastianon, Bastianon Broms, Kristin Budi Setiyono Budiyanto, Tasya Mutiara Burhanuddin Burhanuddin Choeroni Choeroni Ciptadi, Yulius Dika Clark, Thomas Costrada, Aldo Novaznursyah Dadang Sundawa Daniel Happy Putra Darul Ilmi Dede Jatmika Prawira, Dede Jatmika Desiany, Mia Dessy Agustiany Deswalantri, Deswalantri Dindin Wahyudin, Dindin Dzaki Muhtadin, Rizky Ekalianna, Riedha Fahrizal, Al Farhaeni, Annisa Faried, Muhamad Fatmawati, Fatmawati Faturochman, Rizky Febriani, Nida Febriansyah, Raja Dafa Firdausi, Chandra Ardy Fitranti, Ajeng Fuad, Mohammad Haddiel H, Maudy Dirgahayu Hadi Paramu Hamim Sudarsono . Hanurawati, Neneng Yetty Harmadi Harmadi Hartawan, Liman Haryono , Wasis Hefnita, Hefnita Heni Noviarita Herbawani, Chahya Kharin Herdiana, Dadan Hidayat, Moch Umar Iing Yulianti Ilsya Mulya Insani, Ilsya Mulya Insani Indriani, Iin Irianto, Redi Yudha Irwati, Dwi Iswantir M Jasmienti, Jasmienti Joko Purwanto Jumino Jumino Kahar Kahar Kahar, Kahar kamaludin, ade Kamaruddin, Imran Kaniawati, Nina Khampuang, Kankunlanach Khoiriyyah, Khofawati Krisna Dwiputra, Dimas Febriansyah Kurnia, Shyfa Reyhana Leon, Farah Margaretha Ma'ruf, Widodo Farid Mahadika, Renaldi Mamat Rahmat Marman, Maulana Maulana, Muhamad Bilal irsa Meinhold, Peter Mesterjon, Mesterjon Mikael, Noftania Alfando Miskiyah, Siti Muchtar, Asmaji Muhammad Arif Mukarlina, Mukarlina Mursalim Nohong Nabilla, Chintya Shafwa Nori Anggraini, Nori Novan Ardy Wiyani nugraha, noviyanti Nugroho, Agung Nur Hidayah, Fitri Nurliana Oksidelfa Yanto Pramono, Muhammad Cendika Pramudianto, Muhammad Agus Kurniawan Pratama, Aganeka Prawening, Cesilia Purba, Enjelika Qudratullah, Qudratullah Rahayu, Citra Resmi Rahmawati, Salsabila Redi Yudha Irianto Rery Novio Rismawati . Riyan Arthur Riza Linda Saepul, Saepul Saffa Sallina, Vianca Saleh, Rosmawita Saputra, Agus Somad Saputra, Suhanda Sembiring, Evaliata Br. Setiadi Djohar Setiawan, Muhamad Budi Sham, Said Luthfil Siti Jahroh Siti Nurbayani Siti Nurhayati Sri Murtiasih Sri Slamet Mulyati, Sri Slamet Sri Utaminingsih Srigiriraju, Lakshmipathi Sripeangchan, Mongkol Sunandar, Gilang Tri Rizki Al Supriyatna, Wawan Susanti, Ressi SUSANTO Susanto Susanto Syaiful Anwar Syawaluddin Soadiq, Syawaluddin Tania, Lutfi Zahra Taqrim Ibadi Tran, Khai Trihandayani, Estiningsih Triyandi, Ramadhan Utomo, Nugroho Priyo Utomo, Yuyut Budi Wardana, Muhammad Fitra Wiarfa, Nisrina Ananda Wulandah, Safirah Yesi, Yesi Yety Hanurawaty, Neneng Yollanda, Resty Fadhillah Zahra, Trisha Fauziah