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PENGARUH PEGGUNAAN PEMBELAJARAN MEDIA HERBARIUM DALAM MENINGKATKAN HASIL BELAJAR SISWA PADA MATA PELAJARAN IPA DI KELAS VIII SMPN 1 SAKRA TIMUR Zinnurain; Chairul Anam
Jurnal Sistem Informasi Teknologi Pendidikan Vol. 1 No. 1 (2025): July, Jurnal Sistem Informasi Teknologi Pendidikan
Publisher : Jurnal Sistem Informasi Teknologi Pendidikan

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Abstract

<palign="justify">Tujuan dari penelitian ini adalah untuk mengetahui pengaruh penggunaan media pembelajaran herbarium dalam meningkatkan hasil belajar siswa pada mata pelajaran IPA kelas VIII SMPN 1 Sakra Timur Tahun Ajaran 2024/2025. Metode penelitian yang digunakan adalah metode kuantitatif, dengan teknik pengumpulan data utama berupa tes, sedangkan dokumentasi dan observasi digunakan sebagai metode pelengkap.Hasil analisis data menunjukkan bahwa nilai t hitung sebesar 3,810, sedangkan nilai t tabel pada taraf signifikansi 0,05 dengan derajat kebebasan (dk) = (N – 1) = 21 – 1 = 20 adalah sebesar 2,086. Karena nilai t hitung lebih besar daripada t tabel (3,810 > 2,086), maka hipotesis nol (H₀) ditolak dan hipotesis alternatif (H₁) diterima. Dengan demikian, dapat disimpulkan bahwa terdapat pengaruh yang signifikan dari penggunaan media pembelajaran herbarium terhadap peningkatan hasil belajar siswa pada mata pelajaran IPA kelas VIII SMPN 1 Sakra Timur Tahun Ajaran 2024/2025.
ANALISA MOMEN PUNTIR POROS IMPELLER PADA SISTEM PROPULSI WATERJET KAPAL 6 METER DENGAN VARIASI BLADE IMPELLER MENGGUNAKAN METODE CFD Bagas Dwi Kurniawan; Jangka Rulianto; Achdri Fauzi Nugraha Oloan; I Gusti Ngurah Bagus Catrawedarma; Chairul Anam
Jurnal Teknologi Dan Riset Terapan (JATRA) Vol. 7 No. 2 (2025): Jurnal Teknologi dan Riset Terapan (JATRA) - December 2025
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jatra.v7i2.9968

Abstract

Analysis of the impeller shaft torsion moment in the waterjet system with impeller blade variations aims to analyze the strength of the impeller shaft caused by the specified engine power. The engine used has a power of 6.5 hp and has an output power of 2000 Rpm. This study aims to determine the impeller shaft torsion moment with impeller blade variations using the Computational Fluid Dynamic (CFD) method. Using Aloy steel 4340 material which has a shaft diameter of 23 mm and a length of 700 mm. The torque value that appears in variation 1 with 3 impeller blades is 30.65 Nm, variation 2 with 4 impeller blades is 87.61 Nm and for variation 3 with 5 impeller blades is 33.07 Nm. In accordance with the results of the calculation of the torsion moment of 30.85 Nm, it is known that variation 1 with 3 impeller blades is said to meet the specified criteria to be applied to the waterjet system. Based on the results of the specified allowable stress of 60.89 Nm, it was found that for variations 1 and 3 with the number of impeller blades of 3 and 5 respectively, they have met the safe conditions for the impeller shaft torsion moment, by considering that variation 3 is adjusted to the results of the impeller shaft torsion moment calculation to determine the effectiveness for the specified waterjet system.
Implementation of A Website-Based Digital Marketing Information System With Interactive Custom Design Features Toriq Andana Teguh Febriansyah; Siti Sufaidah; Chairul Anam
NEWTON: Networking and Information Technology Vol. 6 No. 1 (2026): June
Publisher : LPPM Universitas KH. A. Wahab Hasbullah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32764/hr3hzm57

Abstract

The rapid development of information technology encourages business actors, including the garment manufacturing sector, to adopt digital information systems in order to improve marketing effectiveness and customer service quality. Faiz Konveksi, a micro, small, and medium-sized enterprise engaged in garment production services, still faces various challenges related to marketing, design communication, ordering, and payment processes that are not yet systematically integrated. This study aims to design and implement a website-based digital marketing information system equipped with an interactive custom design feature to facilitate customers in independently customizing product designs, improve the effectiveness of design communication, and integrate ordering and payment processes into a single platform. The research method consists of needs analysis, system design, system implementation, and system testing. The developed system supports three user roles, namely customer, administrator, and super administrator, and provides key features including a product catalog, three-dimensional interactive custom design, order management, online payment services, WhatsApp notification services, and sales and order reports. The results of implementation and system testing indicate that the proposed system is able to increase ordering efficiency, reduce design communication errors, and assist Faiz Konveksi in managing order and transaction data in a more effective and structured manner. Therefore, the website-based digital marketing information system is expected to enhance service quality, customer satisfaction, and the competitiveness of Faiz Konveksi in the digital era.
DIGITALISASI SISTEM INFORMASI PENILAIAN KEGIATAN SANTRI PPTQ DARUSSALAM BERBASIS WEB Helmi Hendrawan; Siti sufaidah; Chairul Anam
Jurnal Publikasi Manajemen Informatika Vol. 5 No. 3 (2026): JURNAL PUBLIKASI MANAJEMEN INFORMATIKA
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jupumi.v5i3.7554

Abstract

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