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Evaluation of Environmental Risk from Heavy Metals in Sediments in Port Areas Yusrizal; Abdillah, Nuryasin; Hendrizal, Andri
Jurnal Penelitian Pendidikan IPA Vol 10 No 10 (2024): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i10.8760

Abstract

This research aims to evaluate the concentration and distribution of heavy metals in sediment in the Port area of ​​PT Pelindo Dumai Branch, which is one of the main ports in Riau Province, Indonesia. Heavy metals such as cadmium, copper, lead, mercury and zinc are known to have significant toxic effects on maritime ecosystems and can accumulate in the food chain, potentially endangering aquatic life and human health. The research methodology involves taking sediment samples from various points around the port area, which are then analyzed using spectroscopic techniques to determine heavy metal concentrations. The results showed that the concentration of heavy metals in sediments varied, with zinc having the highest concentration (average 0.019724 mg/L), followed by copper, lead, cadmium, and mercury. This variation indicates the existence of diverse sources of pollution and uneven distribution in the port area. Although cadmium and mercury concentrations are relatively low, they still raise concerns due to their high toxicity and potential accumulation in the food chain. These results emphasize the need for more intensive environmental monitoring and targeted risk management to reduce the negative impacts of heavy metals on maritime ecosystems and human health. This research provides an important scientific basis for mitigation efforts in port areas, which are crucial to ensuring the sustainability of ecosystems and the well-being of communities that depend on marine resources.
PEMANFAATAN KAYU PENGGANTI DAN SUBTITUSI PADA PEMBUATAN KAPAL KAYU DI LAMPULO BANDA ACEH Tedi Maliyunda; Faisal Syahputra; Yusrizal
JURNAL KREASI RAKYAT Vol. 3 No. 2 (2025): May - July
Publisher : Lembaga Riset dan Inovasi Kreyat Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64617/kreyat.v3i2.144-157

Abstract

Aceh has abundant potential resources. One of these potentials is marine and fisheries potential, this is supported by its location at the tip of the island of Sumatra. Aceh has a coastline of 2,817.9 km and a water area of ​​42,665.67 km2. This study aims to determine how much impact the scarcity of materials has on shipbuilding in Lampulo Banda Aceh, to examine the types of wood in shipbuilding and what alternatives will be used by shipbuilders in the future. This study uses a qualitative methodology with a literature study approach, observation and interviews. The results of the study show that the type of wood and the use of materials for making traditional wooden ships depend on the anatomical conditions that make them up and the chemical composition that affects the mechanical properties of the types of wood commonly used in shipbuilding in Banda Aceh. Making wooden ships in Banda Aceh, precisely in Lampulo, craftsmen use several types of wood, namely: Laban wood (Bak Mane), Giam wood (Bak Thu), Semantuk wood, and Seumawe wood. Where laban wood is used as a ship frame or ship bones and bak thu is used as a ship keel and engine bearings and ship dragons, semantuk wood as a ship bearing and seumawe wood is used as a ship body and ship floor. While other shipbuilders are also the same with the wood used only for the deck or floor used red meranti wood. Wooden shipbuilding in Lampulo, Banda Aceh City, especially to overcome the scarcity of wood in shipbuilding, several alternatives to replace and substitute wood can be considered. The use of steel for ship keels, laminated wood, and composite materials such as fiberglass, are several options explored. In addition, the use of preserved non-commercial wood types can be a solution to wooden shipbuilding in Lampulo, Banda Aceh.
Analisis Perdagangan Industri Halal Dunia Studi Kasus Indonesia Cina 2020-2024 Minda Agustina; Yusrizal; Purnama Ramadani Silalahi
El-Mal: Jurnal Kajian Ekonomi & Bisnis Islam Vol. 6 No. 2 (2025): El-Mal: Jurnal Kajian Ekonomi & Bisnis Islam
Publisher : Intitut Agama Islam Nasional Laa Roiba Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47467/elmal.v6i2.7238

Abstract

The purpose of this study is to analyze the World Halal Industry Trade Case Study Indonesia China 2020-2024. The method in this study uses library research with a narrative method. Primary data sources in this study are data obtained directly from primary sources, namely books and journals on the world halal industry trade. The data collection method used by the author is descriptive. The results of Indonesia's export trade to China in 2020 to 2024 show a positive trend of recovery and growth. China remains one of Indonesia's main trading partners, with an increase in various product sectors. Product diversification strategies and increasing added value are key to strengthening Indonesia's position in the Chinese market in the future.
Perawatan Mesin Ketel Uap dengan Menerapkan Total Productive Maintenance di PT Wilmar Nabati Indonesia Unit Pelintung Melliana; Mesra, Trisna; Ernita, Tri; Yusrizal; Zikhri, Muharafiz
Jurnal Sains dan Teknologi: Jurnal Keilmuan dan Aplikasi Teknologi Industri Vol. 24 No. 2 (2024): Regular Issue
Publisher : SEKOLAH TINGGI TEKNOLOGI INDUSTRI PADANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36275/m84mvf39

Abstract

PT Wilmar Nabati Indonesia (WINA) unit Pelintung merupakan perusahaan pengolahan Crude Palm Oil (CPO) dan Crude Palm Kernel Oil (CPKO) untuk menghasilkan minyak goreng berkualitas. Minyak sawit mentah diolah melalui proses pemurnian (refinery) yang menghasilkan Refined Bleached Deodorization Palm Oil (RPDPO) dan Palm Fatty Acid Distillate (PFAD), lalu dilanjutkan dengan fraksinasi untuk menghasilkan Refined Bleached Deodorized Olein (RBDOL) dan Refined Bleached Deodorized Stearin (RBDST). Ketel uap atau boiler memainkan peran penting dalam pabrik kelapa sawit, menghasilkan uap untuk perebusan tandan buah segar (TBS) dan proses lainnya. Untuk mengurangi downtime dan kerusakan mesin selama produksi, diperlukan sistem pemeliharaan yang efektif. Penelitian ini mengusulkan pemeliharaan mesin ketel uap menggunakan metode Total Productive Maintenance (TPM) untuk mengurangi breakdown dan meningkatkan nilai tambah bagi perusahaan. Nilai Overall Equipment Effectiveness (OEE) mesin ketel uap masih di bawah standar (85%), dengan rata-rata 70,33%. Nilai OEE terendah terjadi pada Maret (45,59%), sementara nilai tertinggi di Oktober (85,83%). Hasil ini menunjukkan perlunya peningkatan kinerja mesin ketel uap agar memenuhi standar OEE, sehingga mendukung kelancaran produksi dan efisiensi operasional perusahaan.
PERAN AMAL USAHA MUHAMMADIYAH DALAM PENGEMBANGAN EKONOMI UMAT DI KOTA TANGERANG Yusrizal
EKOSSISTEM : Islamic Economics, Banking, Law, System Vol. 2 No. 2 (2025): Ekossistem Vol 2 Number 2 Agustus (2025)
Publisher : EKOSSISTEM : Islamic Economics, Banking, Law, System

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

Abstract

Muhammadiyah Charity in various regions, including Tangerang City, is a manifestation of the organization's efforts in spreading da'wah and realizing a progressive Islamic society. The research aims to analyze the role of Muhammadiyah Business Charity (AUM) in the economic development of the ummah in Tangerang City through a qualitative approach with a case study method. Data collection was carried out through in-depth interviews, field observations, and document analysis to comprehensively understand the contribution of AUM. The focus of the research includes AUM managers and fostered MSME actors who interact directly with Muhammadiyah's economic empowerment program. Primary data was obtained from AUM managers and business actors, while secondary data came from literature studies and institutional reports. The analysis shows that AUM performance is in the good category, characterized by institutional effectiveness, program relevance, and accountable governance. AUM plays a significant role as an economic driver of the ummah through educational, health, social, and business unit services based on sharia economic principles that encourage social justice and economic inclusivity. However, some aspects such as the quality of human resources and business model innovation are still in the poor category so they need strengthening. The impact of AUM is evident in community empowerment, increased access to services, and its contribution to equitable welfare. This finding confirms that optimizing the role of AUM requires synergy between strong internal capacity and adaptability to external dynamics for the economic sustainability of the people in Tangerang City.
PENDAMPINGAN GURU BAHASA INDONESIA MADRASAH IBTIDAIYAH DALAM PENGENALAN KURIKULUM BERBASIS CINTA MELALUI METODE KETERAMPILAN MENYIMAK EKSTENSIF DI KABUPATEN MERANGIN Baitullah; Yusrizal; Elfa Eriyani; Sriutaminingsih; Khairul Anwar; Wiko Antoni
Bestari: Jurnal Pengabdian Kepada Masyarakat Vol 5 No 3 (2025)
Publisher : Sekolah Tinggi Keguruan dan Ilmu Pendidikan (STKIP) Melawi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46368/dpkm.v5i3.4717

Abstract

Abstrak Kurikulum berbasis cinta merupakan pendekatan pendidikan yang menempatkan kasih sayang, empati, dan kepedulian sebagai dasar proses pembelajaran. Dalam konteks pembelajaran Bahasa Indonesia di Madrasah Ibtidaiyah, nilai-nilai tersebut dapat diintegrasikan melalui keterampilan menyimak ekstensif. Kegiatan ini bertujuan mendampingi guru Bahasa Indonesia dalam mengenal dan menerapkan kurikulum berbasis cinta melalui metode keterampilan menyimak ekstensif di Kabupaten Merangin. Metode pelaksanaan menggunakan pendekatan pendampingan partisipatif (participatory mentoring approach), yang menempatkan guru sebagai mitra aktif dalam pelatihan, refleksi, dan penerapan pembelajaran. Kegiatan dilaksanakan melalui empat tahap: persiapan, pelaksanaan, evaluasi–refleksi, dan tindak lanjut. Hasil kegiatan menunjukkan peningkatan pemahaman guru terhadap konsep kurikulum berbasis cinta serta keterampilan dalam mengintegrasikan nilai kasih sayang dan empati melalui pembelajaran menyimak. Guru juga menunjukkan sikap lebih reflektif dan kolaboratif dalam merancang pembelajaran Bahasa Indonesia yang humanis. Pendekatan pendampingan partisipatif terbukti efektif memperkuat profesionalisme guru sekaligus menginternalisasi nilai kemanusiaan dalam pendidikan dasar. Kata kunci: kurikulum berbasis cinta, pendampingan partisipatif, menyimak ekstensif, guru Bahasa Indonesia, madrasah ibtidaiyah. Abstract The love-based curriculum is an educational approach that places compassion, empathy, and care as the foundation of the learning process. In the context of teaching Indonesian at Madrasah Ibtidaiyah (Islamic Elementary Schools), these values can be integrated through extensive listening activities. This program aims to assist Indonesian language teachers in understanding and implementing a love-based curriculum through the extensive listening method in Merangin Regency. The implementation used a participatory mentoring approach, which positions teachers as active partners in training, reflection, and classroom application. The activity was conducted in four stages: preparation, implementation, evaluation–reflection, and follow-up. The results showed an increase in teachers’ understanding of the love-based curriculum concept and their ability to integrate compassion and empathy values through listening activities. Teachers also demonstrated more reflective and collaborative attitudes in designing humanistic Indonesian language lessons. The participatory mentoring approach proved effective in enhancing teachers’ professionalism while internalizing humanitarian values in primary education. Keywords: love-based curriculum, participatory mentoring, extensive listening, Indonesian language teachers, Madrasah Ibtidaiyah.
PROFESSIONAL ZAKAT IN PEKANBARU CITY : AN ANALYSIS OF PUBLIC PERCEPTIONS TOWARD THE BAZNAS PROGRAM Muyasaroh, Nurul; Khaidir, Widya; Muda, Iskandar; Soemitra, Andri; Yusrizal
Jurnal Tabarru': Islamic Banking and Finance Vol. 8 No. 2 (2025): Jurnal Tabarru' : Islamic Banking and Finance
Publisher : Department of Islamic Banking, Faculty of Islamic Studies, Islamic University of Riau (UIR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jtb.2025.vol8(2).25826

Abstract

Penelitian ini bertujuan untuk mengetahui persepsi masyarakat terhadap zakat profesi di Badan Amil Zakat Nasional (BAZNAS) Kota Pekanbaru serta faktor-faktor yang mendukung dan menghambatnya. Metode penelitian yang digunakan adalah pendekatan deskriptif kuantitatif dengan teknik pengumpulan data melalui observasi, wawancara, dan dokumentasi terhadap masyarakat muslim di Kota Pekanbaru. Hasil penelitian menunjukkan bahwa sebagian masyarakat masih memiliki pemahaman yang rendah mengenai kewajiban zakat profesi, disebabkan oleh kurangnya sosialisasi dari BAZNAS dan minimnya pemahaman tentang cara perhitungan zakat profesi. Namun demikian, terdapat peningkatan kesadaran masyarakat terhadap pentingnya menunaikan zakat profesi seiring dengan meningkatnya peran BAZNAS dalam edukasi dan pengelolaan zakat yang lebih profesional. Disarankan agar BAZNAS meningkatkan kegiatan sosialisasi, edukasi, dan transparansi dalam pengelolaan zakat profesi guna memperkuat kepercayaan dan partisipasi masyarakat.
Pengaruh Model Pembelajaran Outdoor Study dan Kecerdasan Interpersonal terhadap Hasil Belajar IPAS Siswa Sekolah Dasar Yusrizal; Cova, Yolandha Septia; Syasmita, Indah
Journal of Classroom Action Research Vol. 7 No. 4 (2025): November
Publisher : Program Studi Magister Pendidikan IPA, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jcar.v7i4.12310

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh model pembelajaran outdoor study dan kecerdasan interpersonal terhadap hasil belajar IPAAS siswa kelas IV SDIT Delisha Tandam Hilir 2. Penelitian ini menggunakan metode eksperimen dengan desain faktorial 2×2 yang menganalisis pengaruh model pembelajaran (outdoor study dan CLIS) dan kecerdasan interpersonal (tinggi dan rendah) terhadap hasil belajar IPA siswa. Sampel penelitian berjumlah 54 siswa yang dibagi menjadi dua kelompok kelas (kelas dengan model outdoor study dan kelas dengan model Children Learning in Science). Data hasil belajar dikumpulkan melalui tes deskriptif, sedangkan kecerdasan interpersonal diukur menggunakan angket skala likert yang menilai aspek komunikasi, kerjasama, empati, dan kepemimpinan. Teknik analisis data yang digunakan adalah ANOVA Dua Jalur. Hasil penelitian menunjukkan bahwa (1) hasil belajar siswa yang diajar dengan menggunakan model outdoor study secara signifikan lebih tinggi dibandingkan dengan siswa yang diajar dengan menggunakan model CLIS (Fhitung = 7,750 dan nilai sig. 0,008 < 0,05); (2) siswa dengan kecerdasan interpersonal tinggi menunjukkan hasil belajar yang lebih baik daripada siswa dengan kecerdasan interpersonal rendah (Fhitung = 5,097 dan nilai sig. 0,028 < 0,05); dan (3) terdapat interaksi yang signifikan antara model pembelajaran dan kecerdasan interpersonal terhadap hasil belajar IPA (Fhitung = 6,268 dan nilai sig. 0,016 < 0,05). Temuan ini menegaskan bahwa pemilihan model pembelajaran yang tepat dan penguatan aspek kecerdasan interpersonal sangat penting dalam meningkatkan kualitas pembelajaran IPA di sekolah dasar.
Sosialisasi Pajak sebagai Penguat Kepatuhan Wajib Pajak di Tanjung Pinang Teddy, Haryadi; Yusyawiru, Nurul; Rikayana, Hadli Lidya; Yusrizal; Adiman, Raja Multi Konvokesen
Jurnal Informatika Ekonomi Bisnis Vol. 7, No. 3 (September 2025)
Publisher : SAFE-Network

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37034/infeb.v7i3.1223

Abstract

This study explores the factors influencing tax compliance among Micro, Small, and Medium Enterprises in Tanjungpinang, specifically focusing on financial conditions, tax sanctions, and the role of tax socialization. The research aims to understand how these factors affect MSMEs' compliance with tax regulations. A survey was conducted with MSME owners in Tanjungpinang using a questionnaire to gather data on their financial conditions, knowledge of tax obligations, and perceptions of tax sanctions. The results indicate that financial conditions do not have a significant impact on tax compliance. However, tax sanctions are found to significantly encourage compliance, highlighting their role as a motivating factor for MSMEs to fulfill their tax obligations. Furthermore, the study reveals that tax socialization moderates the relationship between financial conditions and tax compliance, as well as between tax sanctions and compliance. Effective tax socialization strengthens the impact of both financial conditions and sanctions on compliance. The findings suggest that improving tax education and communication can play a crucial role in increasing tax compliance in the MSME sector, even in the face of financial challenges. This research provides valuable insights for policymakers to design more effective tax policies targeting MSMEs.
Co-Authors A Halim Adiman, Raja Multi Konvokesen Aditya Prayoga Amanah, Ayu Amini, Salisa Anbiya, Khairil Andi Oh Andi Sucipto Andri Hendrizal Andri Soemitra Andri Soemitra Anggia Pratiwi Annisa Fajriani Antania Susanto Anton Aqwa Naser Daulay Ariana Ariyanto Arsyad Astri Ayu Purwati Astri Ayu Purwati Astri Sri Rezeki Harahap atika Azhari Yahya Baitullah Balkhaya, Balkhaya Budi Bahreisy Burhanudin Cardiana Cipta Ramadhani Cova, Yolandha Septia Damielly Salsabilla Dhara Meutuah Danu Alpin Gustio Debi Eka Putri Desmawati Desmawati Desnelita, Yenny Dewanti, Shendy Dewi, Nurul Aulia Dia Ananda Dian Mardiati Dini Dwi Ariska Eko Gani PG Elfa Eriyani Eliza Anas ernita, Tri Fadrul Fadrul Faisal Faisal Syahputra Fanny Liani Fatmawati Fatmawati Ferdy Saputra Ferdy Saputra Fira Nafisah Firman Alfathy Fitri Maghfirah Fitriadi, Nuzuli Fry Melda Saragih Gustientiedina Hadi Iskandar Hadi, Andre Pangestu Hadli Lidya Rikayana Hafis, Ade Hakim Siregar, Lukmanul Harahap, Muhammad Ikhsan Hasibuan, Vera Yunita Hawani Helwen Heri Hendri, Alfi Hisbullah, Muhammad Ali Ibnu Khaldun Ida Maryanti Silaban Indah Ciawi Intan Halifa Irwanda IRWANSYAH Iskandar Muda Iskandar Muda Ismail Ismail Sangkala, Ismail Jabbar, Meuthia Aula Jamaluddin Jimmi Juneris Juneris Keatrine Khaidir, Widya KHAIRUL ANWAR Khairul Insana Latifah Annisa Lilli Eprianti Luciana Fransisca Malik Ibrahim Mary Onasis Hasri Maryati Melliana Mimelientesa Irman Minda Agustina Misbahul Jannah Moeda, Fadillah Muflihul Fadhil Muhammad Luthfi Hamzah Muhammad Salman Muhibbudin Mujtaba M Momin Mukramah, Widya An Nisa Muyasaroh, Nurul Nata Aurellia Nelti Neti Budiwati Nicholas Renaldo Ningsih, Nur Widya Noviria Melati Kent Nur Hariyanti Nurarifah Aini Nurdini Nuribadah Nurul Jannah Nurul Yusyawiru Nuryasin Abdillah Oktariani Oktariani Pangihutan Tua Manurung, Anto Sakti Pratiwi, Anggia Pratiwi, Putri Khairani Purnama Ramadani Silalahi Purnama, Dewa Tri Kusuma Rahmi Syahriza Raja Hardiansyah Ramziati Rasyid, Laila Muhammad Refina Zulita Restu Hayati Ribkha Ribkha Robert Marlyn Safrida Samtria Santi Arafah Sarli Rahman Sastro, Marlia Sayyid Ahmad Asshidiqi SEGATI, AHDA Sela Azkia Sendi, Muhammad Septi Solekhatun Setiono, Iwan Silvia Sari Sitompul Sinta Aulia Haikal Siregar, Nur Ainun Siregar, Tetty Handayani Sri Hartati Simatupang Sri Ramadhani Sri Utaminingsih Sri Winarni Sriutaminingsih Sudarno Sudarno Sudarno Sudrajat, Danu Sufyanto Suharti Sulistian, Fahmi Sumara, Andry Rivan SURYANI Suyono Syafnur, M Syarbaini, Ahmad Muhaisin B. Syasmita, Indah Teddy, Haryadi Tedi Hermansyah Tedi Maliyunda Tiara Sukmawati Tiarlenta T Pardosi Trisna Mesra, Trisna Ummi Kalsum Wahyuni, Agus Wati, Yenny Welly, Yerisma Widari Hikmanda Widjiantoro, Surya Tegar Wiko Antoni Yandianus Dominikus Daeli Yenny Wati Yenny Wati Yunanda Eka Putra Zarni Zamzahar Zikhri, Muharafiz Zulkarnaen Zulkarnaen