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Menampilkan 11–20 dari 71 artikel
Boosting-Based Machine Learning Models and Hyperparameter Tuning for Predicting Vehicle Carbon Dioxide Emission
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 4
(2025)
Sustainable development and climate change are central agendas in global policy and research. This study examines and compares three ensemble learning models using Gradient Boosting Machine, Categorical Boosting, and Extreme Gradient Boosting for forecasting vehicle carbon dioxide (CO2) emissions. Data preprocessing with Interquartile Range (IQR) and median imputation is among the methods used to address missing values in CO₂ rating and smog rating variables. SHAP and PDP were employed for featu...
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The Effectiveness of Youtube as a Digital Learning Medium in Improving Listening Comprehension of Eleventh Grade Students
Journal of Emerging Technology in Teaching and Learning
Vol 1
, No 2
(2025)
This study investigates the effectiveness of YouTube as a digital medium for improving listening comprehension among eleventh-grade students at MAS Miftahussalam Simeulue Timur, a rural Islamic senior high school. Employing a quasi-experimental design, the research involved 60 students divided into an experimental group, which received YouTube-based instruction, and a control group, which relied on textbook materials. Pre-test results showed comparable proficiency between the two groups. After a...
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Manajemen Sumber Daya Manusia di Dinas Perikanan Kabupaten Gorontalo
Jurnal Media Administrasi
Vol 10
, No 1
(2025)
This study aims to obtain an overview of Human Resource Management (HRM) practices at the Fisheries Service of Gorontalo Regency. A descriptive qualitative approach was used in this study, with data collection techniques through interviews, observations, and documentation. The results of the study indicate that planning is carried out through a recruitment process that includes identifying needs, preparing job descriptions, and the orientation process for new employees. In terms of organization,...
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Optimalisasi UMKM Cepoko Melalui Pendampingan Legalitas, Sertifikasi Halal, dan Desain Kemasan
Faizal Rangga Hadi Saputra
; Dafa Arinda
; Nala Rosyadia
; Nurul Hidayatul Isnaeni
; Luthfia Arifatul Aulia
; Ridwan Pangestu Bagaskoro
; Muhammad Laksamana Lucky
; Elvira Hera Kusumaningrum
; Tiyanto Dwi Zafaron
; Fatia Nurul Azhar
; Muna Ulia Najibah
; Rita Dwi Ratnani
Palawa: Jurnal Pengabdian Kepada Masyarakat
Vol 4
, No 1
(2025)
Kegiatan pengabdian masyarakat ini dilaksanakan di Kelurahan Cepoko, Kecamatan Gunungpati, yang memiliki potensi besar dalam pengembangan Usaha Mikro, Kecil, dan Menengah (UMKM). UMKM berperan penting dalam memperkuat ekonomi lokal, menciptakan lapangan kerja, dan mendorong kemandirian masyarakat, sekaligus mendukung pencapaian Sustainable Development Goals (SDGs). Melalui program Kuliah Kerja Nyata (KKN) Universitas Wahid Hasyim, kegiatan ini bertujuan mendampingi pelaku UMKM dalam meningkatkan...
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Analyzing Amethyst Crystal Stones at the Bandung Geology Museum
An International Journal Tourism and Community Review
Vol 2
, No 2
(2025)
Amethyst crystal is one type of rock that is widely studied in the field of geology, especially because of its beauty and interesting formation process. Amethyst is a variety of quartz mineral (SiO2) that is purple in color due to the presence of oxidized iron ions. As a mineral that is often used in jewelry, amethyst also has high economic value. The Geological Museum often displays amethyst crystals to provide more insight into the geological processes that occur beneath the earth's surface an...
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Analisis Sistem Instalasi Kelistrikan pada Swiss-Belhotel Makassar dengan Menggunakan Program ETAP
Majalah Ilmiah Momentum
Vol 21
, No 1
(2025)
Swiss-Belhotel Makassar as a five-star hotel requires a reliable electrical installation system to support operations and customer comfort. Electrical system evaluation is important to ensure that system performance remains optimal, safe, and meets standards. This study aims to analyze and evaluate the existing condition of the electrical installation at Swiss-Belhotel Makassar using the Electrical Transient Analyzer Program (ETAP) software. The methods used include primary and secondary data co...
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Studi Eksperimental Unjuk Kerja AC Split Menggunakan R22, Propana 99,5% dan Propana 95,5%
Majalah Ilmiah Momentum
Vol 21
, No 1
(2025)
Penelitian ini bertujuan untuk mengevaluasi dan membandingkan unjuk kerja sistem pendingin udara (AC split) yang menggunakan tiga jenis refrigeran berbeda, yaitu R22 (refrigeran konvensional), propana dengan kemurnian 99,5%, dan propana dengan kemurnian 95,5%. Studi ini dilakukan secara eksperimental dengan menggunakan sistem AC split kapasitas 1 PK dalam kondisi operasi standar. Parameter utama yang dianalisis meliputi tekanan kerja, temperatur kondensor dan evaporator, daya listrik yang dikons...
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Implementation of the REACT Strategy Assisted by PhET Simulation to Improve Critical Thinking Skills on the Mechanical Wave Characteristics Topic
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 2
(2025)
This study examines the improvement of students' critical thinking skills through the REACT Strategy assisted by PhET Simulation. The research employs a quantitative method with a pre-experimental one-group pretest-posttest design. The sample consists of 35 purposively selected 11th-grade students from a high school in Bandung, studying the characteristics of mechanical waves. Instruments include an essay-based critical thinking test (eight questions), and Student Worksheets. Data were analyzed...
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Pengembangan Video Pembelajaran Berbasis Festo Fluidsim pada Mata Pelajaran Teknologi Dasar Otomotif Siswa
Purnomo, Sigit
; Susu, Pius Idwin
; Suparmin, S
; Fadli, Radinal
; Hakiki, Muhammad
; Fajaruddin, Syarief
Majalah Ilmiah Momentum
Vol 20
, No 2
(2025)
Penelitian pengembangan ini memiliki tujuan (1) Mengembangkan media pembelajaran interaktif menggunakan aplikasi Festo Fluidsim. (2) Mengetahui Kelayakan Media Pembelajaran Interaktif Menggunakan Aplikasi Festo Fluidsim (3) Untuk mengetahui bagaimana respon siswa di SMK Muhammadiyah Berbah terhadap penggunaan aplikasi Festo Fluidsim sebagai media pembelajaran. Penelitian dan pengembangan (Research and Development) ini mengembangkan media pembelajaran berupa video pembelajaran dan model video tut...
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Utilization of Granite Marble Waste as a Coarse Aggregate Substitute and Shell and Egg Shell Waste as a Cement Substitute in Environmentally Friendly Concrete Innovations
Adhi, Bagas Wahyu
; Hidayawan, Ahmad
; Setiyanto, Beni
; Kurniawan, Andri
; Nanda Syahputra, Hanif
; Yoga Prastika, Annisa
; Ridwan Nurrohim, Rio
; Adi Wahyu Nugroho, Satrio
; Mayasari, Sri
Media Komunikasi Dunia Ilmu Sipil
Vol 6
, No 2
(2025)
In the current era of technological development, the need for concrete has increased quite significantly in infrastructure development, because concrete itself is the main component of a structure. Exploitation in extracting materials from nature has resulted in a reduction in green land and problems regarding people's awareness of the waste found around them. So there is a need for ideas or innovations to reduce or even end this problem. The use of alternative aggregates can reduce natural dama...
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