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All Journal Transmisi: Jurnal Ilmiah Teknik Elektro Ganendra: Majalah IPTEK Nuklir PIN Pengelolaan Instalasi Nuklir Jurnal Teknologi Bahan Nuklir Urania Jurnal Ilmiah Daur Bahan Bakar Nuklir Komunikasi Fisika Indonesia Bulletin of Electrical Engineering and Informatics FLYWHEEL : Jurnal Teknik Mesin Untirta Widyariset Jurnal Penelitian Sains Communications in Science and Technology Sebatik Jurnal Ilmu Fisika INSIST (International Series on Interdisciplinary Research) Indonesian Physical Review EPIC : Journal of Electrical Power, Instrumentation and Control Jurnal Saintika Unpam : Jurnal Sains dan Matematika Unpam Journal of Applied Engineering and Technological Science (JAETS) Jurnal Riset Sains dan Kimia Terapan Abdi Laksana : Jurnal Pengabdian Kepada Masyarakat Widyariset Madaniya Andalasian International Journal of Applied Science, Engineering, and Technology Journal of Education Research Aspirasi : Publikasi Hasil Pengabdian dan Kegiatan Masyarakat SWADIMAS: JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Sains Materi Indonesia Jurnal Standardisasi
Jan Setiawan
Research Center For Advanced Materials-BRIN
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Tantangan dan Model Pembelajaran Pasca Pandemi COVID-19 di Perguruan Tinggi Sari, Noni Dwi; Megawanti, Priarti; Setiawan, Jan
Journal of Education Research Vol. 5 No. 3 (2024)
Publisher : Perkumpulan Pengelola Jurnal PAUD Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37985/jer.v5i3.337

Abstract

Pandemi COVID sembilan belas yang menyerang dunia pada tahun dua ribu dua puluh membawa dampak yang sangat besar di berbagai sektor kehidupan. Dunia pendidikan merupakan salah satu sektor utama yang terdampak secara drastis oleh pandemi COVID sembilan belas di seluruh dunia. Kebijakan negara terkait bidang pendidikan pada masa pandemi adalah dengan meniadakan pembelajaran tatap muka. Pandemi COVID sembilan belas  telah mengubah pembelajaran yang diselenggarakan di kampus secara revolusioner Dalam waktu cepat sekolah terutama perguruan tinggi dipaksa untuk melaksanakan pembelajaran daring. Pertanyaan mengenai apakah setelah pandemi ini berakhir, model pembelajaran di perguruan tinggi akan kembali ke masa sebelum pandemi atau tetap menggunakan model pembelajaran sewaktu masa pandemi atau apakah memungkinkan bentuk pembelajaran yang merupakan kolaborasi dari masa sebelum pandemi dan saat masa pandemik, menjadi dasar kajian ini. Kajian ini dilakukan untuk menganalisis kembali tantangan pembelajaran yang dihadapi pada pendidikan tinggi selama masa COVID sembilan belas dan mengkaji model pembelajaran alternatif yang bisa dilakukan pasca pandemi COVID sembilan belas khususnya pada pendidikan tinggi. Dalam studi ini disampaikan latar belakang perubahan yang terjadi selama pandemi COVID sembilan belas , dan perubahan model pembelajaran di pendidikan tinggi. Kemudian, model pembelajaran masa pandemi dan pasca pandemi akan ditinjau. Selanjutnya, beberapa model pembelajaran masa pandemi akan diuraikan. Akhirnya, model pendidikan tinggi pasca pandemi akan digambarkan.
Effect of gamma radiation on semi-crystalline polyvinyl chloride polymer for low-voltage cable insulator Hutagaol, Antonio Gogo; Bayquni, Muhammad Ilham; Setiawan, Jan; Putranto, Dwi; Sudjadi, Usman; Sungkono, Sungkono; Kriswarini, Rosika; Masrukan, Masrukan; Yunus, Muhamad Yasin
Bulletin of Electrical Engineering and Informatics Vol 14, No 2: April 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v14i2.7940

Abstract

This study explores the properties of semi-crystalline polyvinyl chloride (PVC) polymer as insulation material for low-voltage (LV) cables under high gamma radiation exposure. Test samples underwent gamma radiation (60Co) at doses of 25, 50, 100, 200, 400, and 800 kGy. The evaluation encompassed surface morphology, electrical conductivity, thermal characteristics, and mechanical properties via tensile tests. Electron microscopy observation indicated surface smoothing and flattening occurred at an irradiation dose of 800 kGy. Gamma radiation with increasing doses results in similar thermogram profiles with slight differences in melting temperature and residue mass. The sample irradiated at a gamma dose of 25 kGy generates an increase in the percentage of crystallinity, indicating the occurrence of crosslinking, while other doses exhibit a decrease of crystallinity with increasing radiation dose. Tensile stress significantly dropped up to 400 kGy but increased at 800 kGy. Elongation at break (EAB) decreased with higher gamma radiation doses. Overall, materials up to 800 kGy remained non-brittle, serving as effective insulators and demonstrating thermal stability within high gamma radiation exposure conditions.
Co-Authors . Futichah Abdurahman . Abdussalam Abdussalam, Abdussalam Agoeng Kadarjono Agus Jamaludin . . Agus Kurniawan Agus Sujatno Agustino Zulys Aisah, Nuning Al Afghani, Fajar Ali, Nora'aini Andrean Andrean Andri Suherman Arbi Dimyati Ardianto, Donie Agus Arief Sasongko Adhi ARIF NUGROHO Aritonang, Sovian Aslina Br Ginting Bambang Soegijono Baskara, Hedy Aditya Bayquni, Bayquni BOYBUL BOYBUL Budianto, Dwi Dadang . . Deni Mustika Deni Mustika Dwi Biyantoro Dwi Budianto Dwi Gustiono Dwi Gustiono, Dwi Dwi Nanto Dwi Nanto, Dwi Eddy Indarto Edy Sumarno Edy Sumarno Edy Sumarno, Edy Effendi, Mohammad Dachyar Elfirza Rosiana Endah Yuniarti, Endah Erdawati Erdawati, Erdawati Erilia Yusnitha Erilia Yusnitha Erlina Noerpitasari Fatma Husaini Fauzi, Willy Pahmi Femlee R, Brity Ferry Budhi Susetyo Fitri Yanti Fitriani, Mita Fitriani, Mitra Futichah . Ganisa Kurniati Suryaman Gazali, Ria Guswardani . Guswardani . . Guswardani Guswardani Guswardani Guswardani Hadi Prajitno, Djoko Hamdan Akbar Notonegoro Hanifah Dwiyanti Hanifah Dwiyanti Harahap, Muslim Efendi Hedy Aditya Baskhara Heranudin Heranudin Heri Hardiyanti Heri Hardiyanti . . Hutagaol, Antonio Gogo Ihwanul Aziz Iis Haryati Irawati Irawati Irawati Irawati Irvan Irvan isfandi, Isfandi Iskandarsyah Wicaksono Iwantono Iwan Barnawi Juhana Juhana Kartikasari, Deasy Kiswanta Kusdi Prijono Kusnadi, Heri M Husna Alhasa M. Husna Al Hasa Maman Kartaman Ajiriyanto Marfin Marfin Masripah Masripah Masripah Masripah Masrukan Masrukan Masrukan Masrukan Masrukan Masrukan Megawanti, Priarti Mirza Wibowo Mohammad Dachyar Effendi Murtadha, Fadhil Hisyam Muslim Efendi Harahap Ngatijo Ngatijo NONI DWI SARI Noni Dwi Sari Notonegoro, Hamdan Akbar Nuning Aisah Nurkahfi Irwansyah Nurtiyanto, Woro Agus Ojak Abdul Rozak Oky Supriadi Pambudi, Yoyok Dwi Setyo Pranjono . Putranto, Dwi Putri, Elvina Rahmiati Rahmiati Ramlan Ramlan Ramlan Ramlan, H. Ratih Langenati Ratih Langenati Ratih Langenati Ridwan . Riski Maulana, Riski Riwandi Sihombing Rizkynawan, Benridho Rohmad Sigit Rosiana, Elfirza Rosika Kriswarini SARI, NONI DWI Setia Permana Setia Permana Seto Roseno Seto Roseno Sigit . Sigit E.B.P., Rohmad Sigit, Rohmad Silviana Simbolon Simbolon, Silviana Simon Sindhu Hendradjaja Siti Saleha Siti Saleha Slamet Pribadi Slamet Pribadi Slamet Pribadi . . Slamet Priyono Sofyan, Muhammad Azis Sri Galuh Banawa Sri Ismarwanti Sri Ismarwanti Sri Ismarwanti Sri Ismarwanti Sri Ismarwanti, Sri Sugeng Riyanto Sunardi Sunardi Sungkono Sungkono Sungkono Sungkono Supardjo Supardjo Suprijono . . Suryaman, Ganisa K Susetyo, Ferry Budhi Susworo . . Sutri Indaryati Sutri Indaryati Syamsuir Syamsuir Syamsul Fatimah Taufiq Al Farizi Tihera, Dinda Torowati Torowati Tri Yulianto Tri Yulianto Triarjo . Triyanto, Aripin Usman Sudjadi Utomo, Luki Wibowo, Mirza Woro Agus Nurtiyanto Yanlinastuti . Yanlinastuti Yanlinastuti Yatno Dwi Agus Susanto, Yatno Dwi Agus Yohanes Edi Gunanto Yunasfi Yunasfi Yunasfi Yuniar Istiyawati Yunus, Muhamad Yasin Zulkarnain Zulkarnain