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All Journal IPTEK The Journal for Technology and Science Jurnal Scientia
Muhammad Yusuf Ritonga
Unknown Affiliation
Computer Science & IT Education Mathematics

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Optimization of Palmitic Acid Composition in Crude Oleic Acid to Provide Specifications of Titer and Cloud Point of Distillate Oleic Acid using a Flash Distiller Muhammad Yusuf Ritonga
IPTEK The Journal for Technology and Science Vol 21, No 4 (2010)
Publisher : IPTEK, LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20882033.v21i4.48

Abstract

Titer and cloud point of Distilled Oleic Acid is higher than is the standard on feed composition palmitic acid (C15H31COOH) or C16 11.2 %. Feed composition C16, top temperature precut and bottom main distiller column were optimized to produce DOA. A factorial design with 3 independent variables, 3 X 2 X 3, repeated twice as much, is applied to observe effects of feed composition C16 to quality parameters. In the optimum C16, feed composition at 5.20 % produced DOA with titer 6.8 oC, cloud point 5.0 oC (inside its specification).
Innovative Strategies in Educational Management: Improving the Quality of Learning in the Digital Era Muhammad Yusuf Ritonga
Jurnal Scientia Vol. 13 No. 01 (2024): Education, Sosial science and Planning technique, 2024
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/scientia.v13i01.2915

Abstract

This qualitative study explores innovative strategies in educational management to enhance learning quality in the digital era, with a specific focus on the Indonesian educational context. The research employs a comprehensive qualitative methodology including case studies, phenomenological analysis, and document examination to understand how educational institutions can effectively implement digital transformation strategies. The study reveals that successful digital educational management requires a multi-dimensional approach encompassing strategic planning, technology integration, teacher professional development, and stakeholder engagement. Key findings indicate that educational institutions implementing comprehensive digital transformation strategies show significant improvements in learning outcomes, with Indonesia's Merdeka Belajar initiative demonstrating a 14% increase in literacy competency and 27% increase in numeracy among students. The research identifies critical success factors including transformational leadership, data-driven decision making, personalized learning approaches, and robust digital infrastructure. However, challenges persist including the digital divide between urban and rural areas, inadequate teacher digital literacy, and infrastructure limitations. The study concludes that innovative educational management strategies must address these challenges through collaborative stakeholder approaches, continuous professional development, and equitable technology access to ensure inclusive digital education transformation
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