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All Journal Jurnal Paradigma Ekonomika Jurnal JSIKA Shaut Al-'Arabiyah Journal of Indonesian Coral Reefs Jurnal Al-Ijtimaiyyah Jurnal Ekonomi & Kebijakan Publik JRMSI - Jurnal Riset Manajemen Sains Indonesia Getsempena English Education Journal OLDI (Oseanologi dan Limnologi di Indonesia) Pendas : Jurnah Ilmiah Pendidikan Dasar Jurnal Ilmu Komputer dan Bisnis Islam Universalia : International Journal of Islamic Studies and Social Sciences Journal of Advanced in Information and Industrial Technology (JAIIT) Al-Sharf: Jurnal Ekonomi Islam International Journal of Global Operations Research Jurnal Riset Pendidikan Dasar (JRPD) ACADEMIA: Jurnal Inovasi Riset Akademik Ikhtisar: Jurnal Pengetahuan Islam JIMEBIS Civil Officium: Journal of Empirical Studies on Social Science Inornatus: Biology Education Journal EDUKIDS : Jurnal Inovasi Pendidikan Anak Usia Dini Diponegoro Journal of Islamic Economics and Business Pharmaceutical Sciences and Research (PSR) Makara Journal of Science Inkubis: Jurnal Ekonomi dan Bisnis Vertex Elektro ILTEK : Jurnal Teknologi Mutiara: Multidiciplinary Scientifict Journal Ekonomikalia Journal of Economics International Journal of Business, Economics & Financial Studies Grimsa Journal of Business and Economics Studies Welfare: Jurnal Pengabdian Masyarakat Jurnal Seumubeuet
Muhammad Abrar
Pusat Penelitian Oseanografi LIP I, Jl. Pasir Putih Ancol Timur No 1, Jakarta Utara, Telp. 021 3912497, Hp. 08159264722, Fax 021 3912497,
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ANALISIS TERHADAP ASUMSI GAS MURNI DENGAN PERBANDINGAN BAHAN BAKAR UDARA DALAM MENGHASILKAN DAYA LISTRIK Abrar, Muhammad; Sandi, Kurnia; Duyo, Rizal Ahdiyat; Nirwana, Hafsah; Ridwang, Ridwang; Khadijah, St
VERTEX ELEKTRO Vol. 16 No. 1 (2024): Februari
Publisher : Fakultas Teknik Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/jte.v15i2.12406

Abstract

Untuk memenuhi kebutuhan listrik yang meningkat di Makassar dan wilayah sekitarnya, pemerintah fokus pada pembangunan Pembangkit Listrik berbahan gas (PLTG). Gas alam adalah fluida kerja PLTG ini. Tujuan penelitian ini adalah untuk mendapatkan pemahaman tentang proses produksi dan pengoperasian PLTG, menghitung jumlah energi yang dihasilkan oleh turbin gas, dan mengetahui jenis interferensi dan prinsip kerja sistem perlindungan kelistrikan yang digunakan pada PLTG. Metode yang digunakan dalam penelitian ini dilakukan di Pembangkit Listrik Tenaga Gas pada unit produksi di Makassar. Hasil yang diperoleh dalam penelitian ini adalah beberapa parameter hasilnya adalah perbandingan bahan bakar – udara (ASPR) adalah f =  0,0015 kg bb/kg udara; laju bakar – udara adalah 1379,9 kg/s. laju aliran pencampuran bahan bakar – udara adalah 1381,99 kg/s. Kerja turbin (WT) adalah 13,32 spesifik (SFC) adalah 0,447 kg/KWh, Efisiensi therman turbin gas ( thermal) adalah 18,273% dan daya turibn gas yang dihasilkan ialah 19099,2 k watt atau 190992 MW.Kata kunci: Gas, energi, generasi dan listrik.
STUDI PENGGUNAAN GETAH KAYU SEBAGAI BAHAN PEREKAT PADA PEMBUATAN BRIKET DARI AMPAS TEBU (Saccharum officinarum L) SEBAGAI ENERGI ALTERNATIF TERBARUKAN Suradi, Suradi; Idrus, Ilham; Adrinur, A. Imal; Abrar, Muhammad
ILTEK : Jurnal Teknologi Vol. 15 No. 01 (2020): ILTEK : Jurnal Teknologi
Publisher : Fakultas Teknik Universitas Islam Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47398/iltek.v15i01.8

Abstract

Pemanfaatan bahan perekat briket dari alam dipandang perlu dilakukan untuk menjamin ketersediaan bahan. Tujuan penelitian adalah untuk mengetahui perbedaan bahan perekat getah kayu dan kanji terhadap kualitas briket ampas tebu yang dihasilkan. Penelitian ini dilakukan dengan membuat Briket dari ampas tebu yang kemudian diukur kualitasnya dengan berbagai parameter. Hasil penelitian menunjukkan bahwa briket dari ampas tebu dapat dibuat dengan bahan perekat kanji dan getah kayu dengan kualitas yang berbeda dimana briket dengan perekat getah kayu menunjukkan kualitas yang lebih baik dan dapat dilihat dari ketahanan pembakaran selama 36 menit sementara pada kanji hanya 13 menit, Kekerasan yang tinggi sehingga tidak terbaca oleh alat, sedangkan pada kanji hanya 154,3 N. Juga dapat dilihat pada nilai kerapatan dimana briket dengan perekat getah kayu memiliki nilai 0,8 g/cm3, sedangkan pada briket dengan perekat kanji hanya 0,3. Sedangkan, parameter lain menunjukkan nilai yang tidak berbeda jauh. Secara umum perekat getah kayu memenuhi kriteria untuk dijadikan bahan perekat pada pembuatan briket, sehingga penelitian ini dianggap berhasil untuk mencoba menggunakan bahan yang mudah didapatkan dari alam dengan harga yang terjangkau atau tanpa biaya. Kesimpulan yang bisa ditarik dari penelitian ini adalah bahan perekat kanji dan getah kayu mempengaruhi kualitas briket yang dihasilkan dimana secara general getah kayu menunjukkan kualitas briket yang lebih baik dengan perbandingan ratio penggunaan bahan ampas tebu: air: perekat (50:30:20).
Sistem Informasi Penerimaan Peserta Didik Baru di Bidang Pembinaan SMA Dinas Pendidikan Provinsi Sumatera Utara Abrar, Muhammad; Sriani, Sriani; Harahap, Nurhaliza
Jurnal Ilmu Komputer dan Bisnis Vol. 15 No. 2 (2024): Vol. 15 No. 2 (2024)
Publisher : STMIK Dharmapala Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47927/jikb.v15i2.810

Abstract

Dinas Pendidikan Provinsi Sumatera Utara memiliki peran penting dalam menyediakan layanan pendidikan berkualitas, khususnya dalam hal Penerimaan Peserta Didik Baru. Proses Penerimaan Peserta Didik Baru ini melibatkan sejumlah langkah dan kebijakan yang dirancang untuk memastikan seleksi yang adil dan transparan. Penerimaan Peserta Didik Baru sering kali mengalami berbagai masalah dibagian keakuratan data. Untuk itu dibentuk sebuah Sistem Informasi Penerimaan Peserta Didik Baru Dinas Pendidikan Provinsi Sumatera Utara. Tujuannya ialah dapat memberikan kontribusi positif terhadap peningkatan efisiensi dan efektivitas dalam manajemen Penerimaan Peserta Didik Baru di tingkat Provinsi. Penelitian ini menggunakan Research and Development dan untuk pengembangan sistemnya menggunakan metode waterfall. Diharapkan bahwa dalam penelitian ini dapat memberikan wawasan berharga bagi pihak terkait dalam mengoptimalkan manfaat Sistem Informasi Penerimaan Peserta Didik Baru guna meningkatkan kualitas pendidikan di Provinsi Sumatera Utara.
WAQF FOREST AS A STRATEGY FOR REFORESTATION: A QUALITATIVE STUDY OF ECOLOGICAL SUSTAINABILITY IN ACEH Fakhri, Ahmad Hazim; Abrar, Muhammad; Yusuf, Fakhri; Juli, Sabiruddin; Jamhuri, Jamhuri; Effendi, Erwan; Maisarah, Siti; Waeno, Mahamadaree
Jurnal Al-Ijtimaiyyah Vol. 12 No. 1 (2026)
Publisher : Universitas Islam Negeri Ar-Raniry Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/al-ijtimaiyyah.v12i1.34230

Abstract

Aceh has one of the largest forest areas in Sumatra. However, Aceh has lost approximately 117,000 hectares in the last 7 years. Although the Aceh government has addressed forest destruction through programs run by the environment and forestry agencies and regulatory support from Indonesian laws and Qanun, these measures have not been effective. In addressing this issue, Islam has a solution-oriented and relevant approach to tackling forest destruction through the concept of Waqf Forest. This study examined the implementation, positive impacts, and challenges, and will produce recommendations for the development of waqf forests in Aceh province. This study used a qualitative approach with a case study method to explore in depth the waqf forest model as a forest reforestation strategy in Aceh. Overall, this study highlights that the waqf forest model represents a promising strategy for addressing deforestation and supporting reforestation efforts in Aceh Province, while also identifying key challenges that hinder its optimal development. Contributing empirical insights into waqf forest implementation in Aceh, an area largely underexplored in prior literature. This research demonstrates that waqf forests hold significant potential as an Islamic philanthropic mechanism for advancing ecological sustainability and long-term forest conservation in the region.
The Relationship Between Reef Fish and Coverage of Coral and Turf Algae in Coral Reef Ecosystems of Biak Island, Papua Aji, Ludi Parwadani; Putra, Risandi Dwirama; Abrar, Muhammad; Siringoringo, Rikoh Manogar; Giyanto, Giyanto
Makara Journal of Science Vol. 29, No. 4
Publisher : UI Scholars Hub

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

Abstract

In this study, we examine the influence of benthic coverage on fish diversity in coral reef ecosystems. Benthic and reef fish community surveys were conducted at 14 sites using underwater photographic transect and underwater visual census methods, respectively. Coral cover (26.1%) was found to be lower than turf algae cover (42.1%). A total of 56 fish species, comprised of 14 carnivores, 21 corallivores, and 21 herbivores, were recorded. The most widely distributed carnivore and herbivore species were Lethrinus harak and Ctenochaetus striatus, respectively. Two species of butterflyfish, Chaetodon citrinellus and Chaetodon trifasciatus, were the most widely distributed species among corallivores. The number of herbivorous fish species was correlated with coral cover, but not turf algae cover. In contrast, no correlation was observed between the diversity of corallivorous and carnivorous fish and the coverage values of the two benthic groups (coral and turf algae). Despite this, a pattern was observed in which areas with higher coral cover had more corallivorous and carnivorous fish species, while sites with higher turf algae cover had fewer of these fish species. Reef fish distribution depends on live coral, which are the primary habitat-forming organisms on coral reefs. Coral and reef fish are essential in maintaining ecological functions and shaping reef ecosystems.
Work-Life Balance as A Human Resource Retention Strategy - A Study on The Millennial Generation in Sharia Institutions Abrar, Muhammad
Islam Universalia: International Journal of Islamic Studies and Social Sciences Vol 7 No 3 (2026): Islam Universalia
Publisher : Cyber Media Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56613/islam-universalia.v7i3.323

Abstract

Work–Life Balance (WLB) has become a critical issue for millennial employees who prioritize flexibility, meaningful work, and personal well-being, while Islamic institutions continue to face challenges in retaining this generation. This study examines WLB as a human resource retention strategy for millennials in Islamic institutions by synthesizing existing evidence on millennial characteristics, work engagement, social support, flexible work environments, and their implications for job satisfaction and performance. Using a qualitative literature review with a descriptive–analytical approach, this study integrates prior empirical findings and conceptual frameworks to identify key retention mechanisms. The main contribution of this study lies in proposing a value-based WLB framework that aligns Islamic organizational principles with millennial work preferences, highlighting WLB as a strategic, not merely operational, retention tool. The findings indicate that adaptive work policies, supportive spiritual and emotional environments, and opportunities for continuous professional development significantly enhance millennial retention in Islamic institutions. This study recommends the institutionalization of holistic WLB policies, strengthened intergenerational communication, and periodic evaluation of employee satisfaction to foster a sustainable, loyal, and competitive workforce.
Emerging Technologies And The Islamic Creative Economy: How Can Ethics And Innovation Work Together? Abrar, Muhammad; Sari, Cut Meuthia
JIMEBIS: Scientific Journal of Students Islamic Economics and Business Vol. 7 No. 1 (2026): JIMEBIS
Publisher : Fakultas Ekonomi dan Bisnis Islam, Universitas Islam Negeri Ar-Raniry Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/4y95w547

Abstract

The rapid development of the digital economy and emerging technologies such as Artificial intelligence (AI), blockchain, fintech, and the metaverse has created new opportunities for the growth of the Islamic creative economy. This study examines how these evolving technologies can synergize with Islamic ethical values to support the development of the Islamic creative economy through a bibliometric approach and a review of recent literature. The findings reveal that academic trends show significant growth in the study of the Islamic digital economy, with a particular focus on ethics, inclusion, and sustainability. The integration of maqāṣid al-sharīʿah (ḥifẓ al-dīn, ḥifẓ al-nafs, ḥifẓ al-‘aql, ḥifẓ al-nasl, and ḥifẓ al-māl) has proven to be an essential normative framework in ensuring that digital innovations such as AI, blockchain, fintech, and IoT remain aligned with Islamic values. Emerging technologies play a strategic role in enhancing consumer trust, transparency, and market legitimacy; however, their implementation continues to face challenges related to infrastructure readiness, digital literacy, and adoption costs, particularly for micro, small, and medium enterprises (MSMEs). This study proposes an ethical innovation framework based on maqāṣid al-sharīʿah that emphasizes the balance between commercial and ethical values. The findings highlight that the development of the Islamic creative economy is not solely driven by efficiency and profit but also by social and moral sustainability, thereby contributing to the strengthening of an inclusive and globally competitive Islamic digital ecosystem.
ANALISIS KINERJA EKONOMI DAERAH KABUPATEN DAN KEBIJAKAN PENINGKATANNYA DI PROVINSI JAMBI Yuvanda, Sesraria; Rachmad R, Muhammad; Abrar, Muhammad
Jurnal Paradigma Ekonomika Vol. 20 No. 4 (2025): Jurnal Paradigma Ekonomika
Publisher : Program Studi Ekonomi Pembangunan Fakultas Ekonomi dan Bisnis Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jpe.v20i4.48965

Abstract

This study aims to identify regional economic performance by determining which regions demonstrate the best economic performance and to formulate policies for improving such performance. The research employs secondary data analysis covering nine regencies in Jambi Province over the period 2015–2024. The analytical model used is the Regional Economic Performance Index (REPI), which also serves as the basis for formulating policies to enhance regional economic performance. The results indicate that the average REPI of the nine regencies in Jambi Province is 73.37, categorized as good. Sarolangun Regency records the highest REPI at 78.39, while West Tanjung Jabung Regency has the lowest REPI at 71.29. Policy measures to improve the REPI include increasing the contribution of the industrial sector, optimizing the utilization of natural resources, controlling food distribution and production, expanding employment and business opportunities, improving the quality and skills of the labor force, and providing subsidies for basic necessities.
Co-Authors . Zulfan Abdul Karim, Bisyri Adam, Chaidir Adrinur, A. Imal Agus haryono Al-Munawir, Al-Munawir Aliasuddin Aliasuddin Amalia, Nuelda Angga, Binanga Arafat, M. Y. Aulianur, Ahlul Corry Corvianawatie, Corry Darmawan Darmawan Duyo, Rizal Ahdiyat Effendi, Erwan Fakhri, Ahmad Hazim Firdaus, Adhityas Gatot Nazir Ahmad Geubrina, Yulia Hafitz, Hafitz Hanif, Andriyatno Harahap, Nurhaliza Hariyanti, Tika Ayu Idrus, Ilham Ihza, Muhammad Herizal Isnawati, Putri Jamhuri, Jamhuri Karim, Firmansyah Khadijah, St Kunto Wibowo Kusumo, Suryo Lawang, Hasanna Lefantri , Leo LUDI PARWADANI AJI Mahmudah, Istiyati Maisarah, Siti Maulana Maulana, Maulana Maulana, Harist Mauliani, Nina Mochammad Arifin Muzzakar, Kahar NEVIATY PUTRI ZAMANI Ningsih, Febry Claudia Nirwana, Hafsah Paipan, Sahrul Permana, Syeprianto Putra, Masteria Yunovilsa Putra, Wahyu Hanafi R, Mhd. Randa Haikal Rachmad R, Muhammad Raja Masbar Regina Rahmi Ridwang Ridwang, Ridwang Rikoh Manogar Siringoringo Risandi Dwirama Putra Rizkiansyah , Rikaz Rossanto Dwi Handoyo Rustam Effendi Sabiruddin, Sabiruddin Safrirullah, Safrirullah Salatalohi, Abu Sam Wouthuyzen Sandi, Kurnia Saputra, Jumadil Sari, Cut Meuthia Shanty Savitri Silvia, Vivi Sofyan Syahnur Srinita, Srinita Sulistyowati Sulistyowati Suprianto, Gaguk Suradi Suradi Surani Tahir, Ilyas Taufiq Carnegie Dawood Tri Aryono Hadi Umi Mardiyati Vivine Nurcahyawati Waeno, Mahamadaree Yanti, Rina Yanuar, Yogi Yennafri, Yennafri Yulianingsih, Kiki Yulianti, Reka Yusuf, Fakhri Yuvanda, Sesraria Zamzamil, Mhd. Madil Zulha, Arienal Martha