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All Journal Foristek Journal of Marine and Aquatic Sciences JURNAL SAINS PERTANIAN EQUATOR AL KAUNIYAH BERITA BIOLOGI KOLEGIAL : Jurnal Manajemen, Bisnis, dan Akuntansi BIOTROPIC The Journal of Tropical Biology Majalah Ilmiah Biologi BIOSFERA: A Scientific Journal Jurnal Riset Akuakultur Jurnal Kesehatan Prima NUSANTARA : Jurnal Ilmu Pengetahuan Sosial Adimas : Jurnal Pengabdian Kepada Masyarakat KOMPUTA : Jurnal Ilmiah Komputer dan Informatika Infotronik : Jurnal Teknologi Informasi dan Elektronika Scripta Biologica DIDAKTIKA : Jurnal Kependidikan Jurnal Guru Peneliti Profesional International Journal of English and Applied Linguistics (IJEAL) Jurnal Ekonomi Syariah Pelita Bangsa INTERNATIONAL JOURNAL OF CULTURAL AND SOCIAL SCIENCE NUSRA: Jurnal Penelitian dan Ilmu Pendidikan Journal of Innovation Research and Knowledge Journal of Artificial Intelligence and Digital Business Journal of Public Health Concerns Innovative: Journal Of Social Science Research Tensile : Jurnal Pengabdian Kepada Masyarakat AJUDAN
Mardiansyah Mardiansyah, Mardiansyah
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Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Nursing Public Health Social Sciences Transportation Other

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Microplastics Desorption From Green Mussels (Perna viridis L., 1758) Using Oxidizing Agent Ca(OH)2 Putri, Lily Surayya Eka; Mardiansyah, Mardiansyah; Yulia, Anis
Al-Kauniyah: Jurnal Biologi Vol 18, No 2 (2025): AL-KAUNIYAH JURNAL BIOLOGI
Publisher : Department of Biology, Faculty of Science and Technology, Syarif Hidayatullah State Islami

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/kauniyah.v18i2.44931

Abstract

Microplastics (MPs) are currently one of the main pollutants in the aquatic environment and translocation to the human body will cause health problems. This study aims to find the desorption formula for MPs from green mussels (Perna viridis) with the oxidizing agent Ca(OH)2 or whiting lime. The results will be compared with the use of HNO3 which is commonly used for MPs analysis. There were 2 variations of Ca(OH)2, namely 10 and 15 mL, and soaking for 15; 30; and 60 minutes. The abundance and characteristics of MPs (shape, size, and color) were observed in 30 samples with 3 repetitions. The results of this research indicate that all samples have been contaminated with MPs. The highest number of MPs was found in the immersion of Ca(OH)2 for 30 minutes at a concentration of 15 mL of 1% Ca(OH)2. The oxidizing agent Ca(OH)2 was able to remove MPs much higher than HNO3 with an effectiveness of 72.98–1,120% or 2–12 times, which was supported by statistical results that showed significant differences (P <0.05). Thus, the conclusion is that the use of Ca(OH)2 is effective in removing MPs from green mussels with an optimal ratio of 1:3.8 (g/mL).
IMPLEMENTASI PENGGUNAAN APLIKASI PLN MOBILE PADA BAGIAN PELAYANAN PELANGGAN DI PLN ULP MEDAN DENAI Mardiansyah, Mardiansyah; Zahra, Alifia
Ajudan: Jurnal Diseminasi Kajian Ilmu Administrasi Negara Vol 3, No 2 (2025): Ajudan: Jurnal Diseminasi Kajian Ilmu Administrasi Negara
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/jdkan.v3i2.11582

Abstract

Penelitian ini bertujuan untuk menganalisis implementasi penggunaan aplikasi PLN Mobile pada bagian pelayanan pelanggan di PLN ULP Medan Denai. Aplikasi PLN Mobile merupakan salah satu inovasi digital dari PT PLN (Persero) yang dikembangkan sebagai bentuk transformasi pelayanan serta sebagai bentuk pelaksanaan dari amanat Undang-Undang Nomor 27 Tahun 2022 tentang Perlindungan Data Pribadi. Meskipun telah diluncurkan dan memiliki beragam fitur unggulan seperti pencatatan meter mandiri, pelacakan pemakaian listrik, dan layanan pengaduan, namun dalam praktiknya masih banyak ditemukan kendala dalam proses implementasi di lapangan. Metode yang digunakan dalam penelitian ini adalah kualitatif deskriptif, dengan teknik pengumpulan data berupa observasi partisipan, wawancara semi terstruktur, dan dokumentasi. Informan dalam penelitian terdiri dari pelanggan PLN, petugas lapangan (biller), dan petugas kantor seperti manajer dan supervisor. Temuan penelitian menunjukkan bahwa secara umum aplikasi PLN Mobile telah memberikan kemudahan bagi sebagian pelanggan dalam mengakses layanan kelistrikan. Namun, masih terdapat tantangan serius seperti ketidakstabilan sistem saat jam sibuk, ketidaksesuaian data tagihan, fitur pengaduan yang kurang responsif, serta desain antarmuka yang tidak ramah bagi pengguna lansia. Dari perspektif implementasi kebijakan menurut T.B. Smith, keberhasilan aplikasi ini belum optimal karena masih ada variabel seperti respons lingkungan dan kelompok sasaran yang belum terpenuhi secara maksimal. Sementara itu, dari perspektif kualitas pelayanan menurut Parasuraman, dimensi responsiveness dan empathy menunjukkan kelemahan signifikan yang berdampak pada kepuasan pelanggan. Oleh karena itu, diperlukan evaluasi berkelanjutan dan penguatan sistem, baik dari sisi teknis maupun komunikasi layanan, agar aplikasi PLN Mobile dapat benar-benar menjadi solusi pelayanan publik yang efektif, efisien, dan terpercaya
PENERAPAN PRINSIP MANAJEMEN KELAS DALAM MENGATASI PROBLEMATIKA KERAGAMAN BELAJAR Dewi, Risna; Irwansya, Muh.; Mardiansyah, Mardiansyah; Syahril, Syahril
DIDAKTIKA Vol 16 No 2 (2022)
Publisher : Fakultas Tarbiyah Institut Agama Islam Negeri (IAIN) Bone

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30863/didaktika.v16i2.8854

Abstract

The role of classroom management is needed in overcoming students' learning problems. The ability of teachers to manage the classroom is very important because the implementation of classroom management can affect student learning progress. The type of research used is descriptive qualitative with data collection methods, namely interviews, observations and documentation. The application of classroom management principles in the teaching and learning process includes being warm and enthusiastic, providing challenges, being flexible, emphasizing on the positive and instilling a disciplined attitude. The problems faced by students in learning are lack of concentration, motivation, understanding of lessons and lack of mental ability, lack of facilities at school. The contribution of class management in overcoming the problems of student learning diversity is that teachers and students cooperate with each other in managing the class, class management has a role in achieving the success of teachers in overcoming the problems that occur.
Analysis of The Figurative Language in The Novel Pergi by Tere Liye Hariani, Safitri; Pardi, Pardi; Asnani, Asnani; Pratiwy, Devi; Mardiansyah, Mardiansyah
International Journal of English and Applied Linguistics (IJEAL) Vol. 5 No. 2 (2025): Volume 5 Nomor 2 Agustus 2025
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/ijeal.v5i2.5518

Abstract

This study examines the use of figurative language in the novel Pergi by Tere Liye published by Republika Penerbit on April in 2018, focusing on personification, metaphor, simile, and hyperbole. In this study the author refers to the theory of Gorys Keraf (2010). The research aims to identify the types of figurative language used, analyse their meanings, and reveal the implicit messages conveyed by the author. The method used is qualitative descriptive analysis, with data collection techniques involving in-depth reading and classification of sentences containing specific figurative language elements. The findings indicate that Tere Liye predominantly uses personification and metaphor to depict the emotions and situations faced by the main character, while similes and hyperboles are utilized to enhance the dramatic effect of the narrative. These stylistic devices not only enrich the novel's aesthetics but also play a crucial role in conveying moral messages and life values to the readers.
THE INFLUENCE OF WORK MORALE ON ORGANIZATIONAL COMMITMENT OF POLICE MEMBERS IN THE DIRECTORATE OF DRUG INVESTIGATION WITH PERCEIVED ORGANIZATIONAL SUPPORT AS A MEDIATION VARIABLE Mardiansyah, Mardiansyah; Hardjo, Suryani; Aisyah, Siti
International Journal of Cultural and Social Science Vol. 6 No. 3 (2025): International Journal of Cultural and Social Science
Publisher : Pena Cendekia Insani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53806/ijcss.v6i3.1145

Abstract

This study aims to analyze influence of work morale on organizational commitment of Police Members of the Directorate of Drug Investigation with perceived organizational support as a mediating variable. Organizational commitment is the willingness of employees in this case the willingness of Polri personnel to prioritize the organization over personal interests, accept the goals and expectations of the organization and make a great contribution to achieving the goals of the Polri organization. This study uses a quantitative method. In this study, the sampling technique used is the total sampling technique. The results of this study indicate that there is an influence of work morale on perceived organizational support of Police Members of the Directorate of Drug Investigation, Aceh Police, the conclusion is based on the value of C.R. (t-statistic) of 6.662> 1.96 and or P-value of *** (0.000 <0.05). There is an influence of perceived organizational support on organizational commitment of Police Members of the Directorate of Drug Investigation of the Aceh Police, the conclusion is based on the value of C.R. (t-statistic) of 3.349 > 1.96 and or P-value with *** (0.000 < 0.05). There is no influence of Work Morale on Organizational Commitment of Police Members of the Directorate of Drug Investigation of the Aceh Police, the conclusion is based on the value of C.R. (t-statistic) of -1.346 < 1.96 and or P-value of 0.178 > 0.05. There is an influence of work morale on organizational commitment with perceived organizational support as a mediating variable for members of the Aceh Police Narcotics Investigation Directorate, the conclusion is based on a mediation test with the Sobel Test, the P-value (Two-tailed) with the Sobel Test is 0.002 <0.05 (significant) and/or with a Sobel t-statistic value of 2.983> 1.96.
PEMODELAN SOLAR TRACKER DENGAN PENGENDALI PI, PD, DAN PID MENGGUNAKAN MATLAB-SIMULINK DENGAN BEBAN BATERAI Maharani, Putri; Adam, Ahmad Antares; Mukhlis, Baso; Arifin, Yusnaini; Amin, Nurhani; Mardiansyah, Mardiansyah
Foristek Vol. 14 No. 1 (2024): Foristek
Publisher : Foristek

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54757/fs.v14i1.375

Abstract

A solar tracker is a photovoltaic (PV) system support tool aimed at optimizing solar energy absorption by directing solar cells to follow the movement of the sun.In this research, a solar tracker for PV with battery load model was created using MATLAB-Simulink with each controller, namely Proportional Integral (PI), Proportional Derivative (PD) and Proportional Integral Derivative (PID) and the simulation results were compared. The simulation results show that the PID controller is the controller with the most optimal results because all set point values ​​entered in the output remain the same and the overshoot value is also low, the PD controller is the controller that produces high errors and also overshot reaching 120 V, and the PI controller is the controller that the results are closest to a PID controller where the resulting overshoot value is only around 20%.
Microplastics Desorption From Green Mussels (Perna viridis L., 1758) Using Oxidizing Agent Ca(OH)2 Putri, Lily Surayya Eka; Mardiansyah, Mardiansyah; Yulia, Anis
Al-Kauniyah: Jurnal Biologi Vol. 18 No. 2 (2025): AL-KAUNIYAH JURNAL BIOLOGI
Publisher : Department of Biology, Faculty of Science and Technology, Syarif Hidayatullah State Islami

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/kauniyah.v18i2.44931

Abstract

Microplastics (MPs) are currently one of the main pollutants in the aquatic environment and translocation to the human body will cause health problems. This study aims to find the desorption formula for MPs from green mussels (Perna viridis) with the oxidizing agent Ca(OH)2 or whiting lime. The results will be compared with the use of HNO3 which is commonly used for MPs analysis. There were 2 variations of Ca(OH)2, namely 10 and 15 mL, and soaking for 15; 30; and 60 minutes. The abundance and characteristics of MPs (shape, size, and color) were observed in 30 samples with 3 repetitions. The results of this research indicate that all samples have been contaminated with MPs. The highest number of MPs was found in the immersion of Ca(OH)2 for 30 minutes at a concentration of 15 mL of 1% Ca(OH)2. The oxidizing agent Ca(OH)2 was able to remove MPs much higher than HNO3 with an effectiveness of 72.98–1,120% or 2–12 times, which was supported by statistical results that showed significant differences (P <0.05). Thus, the conclusion is that the use of Ca(OH)2 is effective in removing MPs from green mussels with an optimal ratio of 1:3.8 (g/mL).
Pengaruh Penguasaan Kosakata dan Tata Bahasa Indonesia Terhadap Kemampuan Menulis Eksposisi Siswa Kelas X SMA Negeri Se Kota Yogyakarta Pasaribu, Christin; Rokmah, Rokmah; Mardiansyah, Mardiansyah; Hilaliyah, Tatu
NUSRA : Jurnal Penelitian dan Ilmu Pendidikan Vol. 5 No. 1 (2024): NUSRA: Jurnal Penelitian dan Ilmu Pendidikan, Februari 2024
Publisher : LPPM Institut Pendidikan Nusantara Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/nusra.v5i1.1869

Abstract

This research aims to: (1) determine whether or not there is an influence of vocabulary mastery on the exposition writing ability of class X SMA Negeri Se-Kota Yogyakarta (2) determine whether or not there is an influence of mastery of Indonesian grammar on the ability to write expositions of class X SMA Negeri Se-Kota Yogyakarta, and (3) determine whether or not there is an influence of mastery of Indonesian vocabulary and grammar on the ability to write expositions of class This research is ex-post facto research. The research subjects were students class X SMA Negeri Se-Kota Yogyakarta. Sampling used a stratified random sampling technique with a total of 345 students taken. Data collection was carried out using ability tests including vocabulary, grammar and expository writing. Data analysis uses product moment correlation analysis techniques and multiple linear regression analysis. The level of error in the analysis results is determined at 5%. The results of the research show that: (1) there is a positive and significant influence of vocabulary mastery on expository writing ability class X student of SMA Negeri se-Kota Yogyakarta  with a calculated r value of 0.164, r table of 0.098, relative contribution of 30.29% and effective contribution of 1.82%; (2) there is a positive and significant influence of mastery of Indonesian grammar on the exposition writing ability of class X student SMA Negeri se-Kota Yogyakarta which is indicated by the calculated r value of 0.221, r table of 0.098, relative contribution of 69.71% and effective contribution of 4.18%; (3) there is a positive and significant influence simultaneously on the mastery of Indonesian vocabulary and grammar on the exposition writing ability of class X student SMA Negeri se-Kota Yogyakarta indicated by an F value of 10.950, a regression coefficient (R) of 0.245, and a coefficient of determination (R2) of 0.060. This means that 6% of expository writing ability is influenced by mastery of vocabulary and grammar, while the remaining 94% is influenced by other factors not examined in this research.
Strategi Manajemen E-Parking dalam Meningkatkan Pendapatan Asli Daerah Kota Medan Mardiansyah, Mardiansyah; Juliandre, Muhammad Benny; Kemal, Isthifa
Innovative: Journal Of Social Science Research Vol. 4 No. 4 (2024): 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.v4i4.14809

Abstract

Kota Medan sebagai salah satu kota besar tengah berusaha melakukan pembangunan melalui peningkatan PAD. Salah satu sumber PAD yang dimiliki oleh pemerintahan adalah retribusi parkir. Namun, di Kota Medan sendiri sering terjadi kebocoran PAD akibat pungli dan parkir liar. Oleh karena itu, pemerintah Kota Medan menerapkan e-Parking. Penelitian ini bertujuan untuk membahas tentang upaya pemerintah Kota Medan melalui Dishub dalam meningkatkan pendapatan asli daerah dengan penerapan sistem e-Parking. Penelitian ini menggunakan metode deskriptif kualitatif dengan teknik pengumpulan data melalui wawancara, observasi, dan dokumentasi. Hasil penelitian ini menunjukkan bahwa penerapan e-Parking terbukti mampu dalam meningkatkan PAD secara signifikan, namun terdapat beberapa hambatan yang dihadapi, seperti kualitas SDM Jukir yang masih rendah serta kurangnya kesadaran masyarakat dalam memanfaatkan sistem e-Parking. Dalam upaya meningkatkan pendapatan asli daerah, penelitian ini menyarankan beberapa strategi, seperti mendeteksi lokasi yang berpotensi, meningkatkan sosialisasi dan edukasi kepada masyarakat mengenai manfaat dan cara menggunakan sistem e-Parking, serta memberikan pembinaan pada Jukir. Penelitian ini diharapkan dapat memberikan kontribusi bagi pemerintah kota Medan dalam meningkatkan retribusi dan pendapatan asli daerah melalui penerapan strategi manajemen yang tepat dalam pengelolaan sistem e-Parking.
ANALISIS KEBERADAAN BUMDes SIMPAN PINJAM DALAM MENINGKATKAN PENDAPATAN EKONOMI MASYARAKAT DESA LENGAU SEPRANG KECAMATAN TANJUNG MORAWA KABUPATEN DELI SERDANG SUMATERA UTARA Ariani, Rindi; Mardiansyah, Mardiansyah
Ajudan: Jurnal Diseminasi Kajian Ilmu Administrasi Negara Vol 2, No 1 (2024): Ajudan: Jurnal Diseminasi Kajian Ilmu Administrasi Negara
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/jdkan.v2i1.8772

Abstract

BUMDes merupakan wujud dari sebuah kebijakan yang dilakukan oleh pemerintah sesuai dengan Undang-Undang Nomor 6 Tahun 2014 dimana pembentukan BUMDes bertujuan untuk mendayaguna segala potensi ekonomi, kelembagaan ekonomi, serta potensi sumber daya alam dan sumber daya manusia dalam rangka mensejahterakan masyarakat. Untuk tercapainya tujuan tersebut pemerintah Desa Lengau Seprang Kecamatan Tanjung Morawa melakukan strategi dimana strategi tersebut menjadi tolak ukur keberhasilan dari program BUMDes yang dilihat dari Visi dan Misi dari BUMDes itu sendiri. rumusan masalah yang disampaikan dalam penelitian ini sebagai beriku bagaimana peranan BUMDes dalam meningkatkan pendapatan ekonomi masyarakat Desa Lengau Seprang Kecamatan Tanjung Morawa Kabupaten Deli Serdang. dan bagaimana faktor- faktor yang menghambat peningkatan pemanfaatan ekonomi dalam program BUMDes Simpan Pinjam di Desa Lengau Seprang. Dari hasil penelitian menunjukan bahwa pemerintah dan pengurus BUMDes telah melakukan tugas dan kewajibannya dengan sangat baik, namun BUMDes ini belum dapat mensejahterahkan Masyarakat dikarena masih adanya masyarakat yang telat membayar dan masi ada nya prilaku konsumtif dari masyarakat yang mementingkan dirinya sendiri.
Co-Authors Abdul Azis Ahmad Antares Adam Ahmad Zulfikar Wicaksono Alfan Farhan Rijaluddin Alfan Farhan Rijaluddin Alfan Farhan Rijaluddin Alfan Farhan Rijaluddin Alfan Farhan Rijaluddin Alfan Farhan Rijaluddin Alfan Farhan Rijaluddin Alfianur Azmi Muhammad Amariaman, Rahma Amelia , Nur Amir, Firman Amir, Ridwan Ariani, Rindi Ario Putro Pamungkas Asnani Asnani Azkiya Banata Baso Mukhlis Dewi, Risna Dina Dwi Nuryani Dinda Rama Haribowo Dwi Cahya Kusuma Eva Dolorosa Firdaus Ramadhan Ghozali, Derby Hanafiyah, Ahmad Adrian Hasanuddin Hasanuddin Hilaliyah, Tatu Huluq, Nurul Irwansya, Muh. Jonni Jonni Juliandre, Muhammad Benny Kemal, Isthifa Kusnadi, Heri Lalu Khairul Abdi Lily Surayya Eka Putri, Lily Surayya Eka M Kurniawan Madri M Maulana, Fariz Rohman Maulana, Rahmad Megawati - Muarif, Muarif Muh Muhlis, Muh Muhammad Arif Tanzil Muhammad Basri Mustopo, Agus Navila, Navila Nia Dzirwatul Izza Noviansyah Noviansyah, Noviansyah Nugroho Nugroho Nur Kholidah Nurhani Amin Nurhayanti, Nurhayanti Nurliza Nurliza Pangestuti Utami Pardi Pardi Pasaribu, Christin Pratami, Ayu Pratiwi Amalia Zahrah Pratiwy, Devi Putri Maharani Ramadhani, Umi Tri Reza Bayu Zikrillah Reza Bayu Zikrillah Rezal, Ahmad Riska Riska Risnawati Risnawati Rokmah, Rokmah Romdhoni, Romdhoni Safitri Hariani Saidah, Nur Saimi, Saimi Salsabilla, Shifa Sani, Syahrul Siti Aisyah Slamet Haryadi Suherman, Suherman Suherman, Suherman Suryani Hardjo Syahril Syahril Syaiful M Syifa Annisa Syuardi, Syuardi Taupiqurrahman, R. M. Tri Prartono Wibisono , Chandra Yulia, Anis Yusli Wardiatno Yusnaini Arifin Zahra, Alifia