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ANALISIS STUDI LITERATUR PEMANFAATAN GELOMBANG ELEKTROMAGNETIK (ELF) BAGI INDUSTRI PERTANIAN Fadia Arisma Iswardani; Sudarti Sudarti; Yushardi Yushardi
Jurnal Sains Riset Vol 13, No 1 (2023): April 2023
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM) Universitas Jabal Ghafur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47647/jsr.v13i1.847

Abstract

Manfaat gelombang elektromagnetik sangat banyak. Salah satunya dalam industri pertanian, dimana pada agraris dipakai guna menghambat kemajuan bakteri serta dapat menghasilkan bahan/buah yang mutu positif. Tata cara nan dipakai pada riset ini ialah via memakai review 10 artikel. Hasil dari riset ini merupakan informasi yang didapat yakni intensitas medan magnet ELF frekuensi sangat rendah untuk setiap tanaman yang terkena perubahan waktu pemaparan yang berbeda. Gelombang Elektromagnetik Frekuensi Sangat Rendah adalah cakupan gelombang elektromagnetik melalui saluran antara 0 dan 300 Hz yang menghasilkan zona daya tarik serta listrik didekat garis serta perangkat ketika listrik ditransmisikan, didistribusikan, atau digunakan di berbagai perangkat. Gelombang elektromagnetik ELF banyak digunakan di berbagai bidang seperti kesehatan, pertanian, dan makanan. zona daya tarik ELF bisa diterapkan dalam benih tumbuhan aktif maupun yang tidak aktif. Sesuatu keuntungan penerapan daya tarik dalam benih tumbuhan aktif serta tak aktif adalah kemampuannya untuk mendorong perkembangan tumbuhan. Ilustrasi sebagian benih tumbuhan aktif antara lain gandum, kacang-kacangan, jagung, serta sebagian tipe tumbuhan lainnya.
Interactive Dialogics and Accuracy Of Physics LKPD Materials Based on PBL to Improve Student’s Critical Thinking Skills in Business And Energy Materials Nilta Wahyuni; Violin Candra Prastyaningrum; Dwi Resta Maulita Sari; Fadia Arisma Iswardani; Ahmad Janukhi Bisyri; Hikmah Hidayah; I Ketut Mahardika; Subiki Subiki
ANTHOR: Education and Learning Journal Vol 2 No 5 (2023): Volume 2 Nomor 5. Page: 584
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/anthor.v1i5.190

Abstract

The concept of effort is closely related to the concept of energy. Energy can be interpreted as the cause of effort. However, effort can also cause energy changes. The purpose of this study was to determine how the motivation ability and accuracy of PBL-based Physics LKS improve students' critical thinking on the material of effort and energy. This study used a research and development planning methodology. The data collection technique used is avalidation sheet as a validator. In addition, to obtain relevant information about the assessment tool, use analysis techniques, calculation methods to calculate the average score of each component and literature research. Based on the results of the research assessed by material experts and media experts, PBL-based LKS on the material of effort and energy and its use in everyday life is in the appropriate category and this PBL-based LKS can alsoincrease student learning motivation, where they can be more interactive in understanding the material of effort and energy and can think critically. Students can also solve problems about effort and energy material well. The conclusion obtained in this study is that the quality of this LKPD meets very good criteria so that this LKPD can be declared valid and of high quality to be used as one of the teaching materials for high school physics of work and energy. This LKPD has produced teaching materials that are quite accurate.