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Muhammad Syahriandi Adhantoro
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Jurnal Penelitian Sains Teknologi
Published by Universitas Muhammadiyah Surakarta
ISSN : 14115174     EISSN : 2830067X     DOI : 10.23917/saintek
Core Subject : Science, Engineering,
Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Physics Transportation
Jurnal Penelitian Sains Teknologi is a peer-reviewed scientific journal dedicated to publishing high-quality, original, and methodologically rigorous research in the fields of science and technology. The journal aims to serve as a scholarly forum for the dissemination of theoretical and applied research that advances scientific knowledge, technological innovation, and evidence-based solutions to contemporary challenges. Its scope covers applied science and computational studies, information technology and intelligent systems, engineering and applied technology, as well as the development, evaluation, and implementation of technological models, methods, and systems across various sectors, including education, industry, healthcare, government, energy, and the environment. By emphasizing originality, academic integrity, interdisciplinary perspectives, and ethical research practices, Jurnal Penelitian Sains Teknologi seeks to foster scholarly dialogue, support innovation-driven research, and enhance the impact and visibility of scientific and technological contributions at both national and global levels.
Arjuna Subject : Umum - Umum
Articles 3 Documents
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Search results for , issue "Vol. 1 No. 2 (2022)" : 3 Documents clear
Evaluasi Data Estimasi Curah Hujan Satelit TRMM 3B42 Dengan Data Observasi Di Stasiun Meteorologi Sangia Ni Bandera Kolaka Tahun 2019 Hendri Satria WD; Esterline; Ekawati Natalia Mulyadi; Nur Wiryanti Sih Antomo; Ikhwan Wardiansyah; Citra Umari; Adlian Affa Annie
Jurnal Penelitian Sains Teknologi Vol. 1 No. 2 (2022)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/saintek.v1i2.1073

Abstract

Data curah hujan di Indonesia saat ini dilakukan dengan pengamatan in situ, yang memungkinkan adanya data yang kosong karena kesalahan observer ataupun karena adanya alat yang rusak. Satelit TRMM merupakan salah satu satelit yang banyak dimanfaatkan untuk mengisi data curah hujan yang kosong di Indonesia. penelitian ini ditujukan untuk mengetahui hasil akurasi antara data estimasi curah hujan satelit TRMM 3B42 dengan data pengamatan permukaan yang bersumber dari Stasiun Metorologi Sangia Ni Bandera Kolaka pada tahun 2019. Kedua data diuji secara statistik dengan menggunakan metode perhitungan koefisien korelasi, perhitungan eror dengan metode Root Mean Squared Error (RMSE), dan uji signifikansi. Hasil penelitian menunjukkan bahwa hubungan terbaik dihasilkan oleh periode bulan kering dibanding pada bulan basah. Secara umum, dalam grafik timeseries data satelit dan data observasi menunjukkan pola fluktuasi yang cukup sama, namun dalam beberpa kejadian data satelit TRMM jauh lebih kecil dibanding data observasi. Skala waktu terbaik pada hubungan kedua data adalah pada skala waktu dasarian, karena menghasilkan hasil yang signifikan untuk semua periode bulan, serta memiliki nilai korelasi yang tinggi dengan nilai eror yang kecil.
Eksperimentasi Model Pembelajaran Blended Learning menggunakan OpenLearning dan Classrom Lesson Ditinjau dari Motivasi Belajar Terhadap Hasil Belajar Mahasiswa Guntur Nurcahyanto
Jurnal Penelitian Sains Teknologi Vol. 1 No. 2 (2022)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/saintek.v1i2.1081

Abstract

Blended learning is a combination of different learning environments such as face-to-face learning (classroom lesson) with computer-based learning medium in the classroom combined with e-learning learning using the OpenLearning of Learning Management System (LMS) media compared to distance learning (virtual). This study aims to determine the effect of learning with the blended learning model in terms of learning motivation on student learning outcomes in the biology education study program of FKIP UMS. The type of this research is quasi-experimental quantitative research. The results of the study include: a) There is an effect of using Blended Learning with E-learning learning models on student learning outcomes; and b). There is an influence of strong, medium, and low learning motivation on student learning outcomes. It was concluded that learning the Blended Learning model by combining LMS OpenLearning and classroom lessons has an impact on increasing student motivation and learning outcomes.
Petrografi dan Provenance Batupasir Formasi Muara Enim dan Sekitarnya, Kabupaten Lahat, Sumatera Selatan Yuyun Reka Ayu Saputri; Idarwati Idarwati
Jurnal Penelitian Sains Teknologi Vol. 1 No. 2 (2022)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/saintek.v1i2.6908

Abstract

The Muara Enim Formation is a rock formation in the South Sumatra basin that is of late Miocene – Pliocene age which is composed of sandstone, claystone and coal lithologies. The research activity was carried out in Perangai village, Lahat Regency, South Sumatra. This study focuses on petrographic analysis and analysis of rock origin in the Muara Enim formation in sandstone lithology. This research was conducted on sandstone obtained from sandstone outcrops in the research area that have fine sand to coarse sand. From the results of the study of 6 sandstone samples analyzed by petrography, 2 types of Sublitharenite sandstone, 3 types of arcose lithic sandstone, and 1 type of Feldspatic litharenite sandstone according to the Folk Classification, et al. (1970) and based on the results of the provenance analysis of QFL and QmFLt Diagram Dickinson (1983), it was found that the sandstone of the Muara Enim Formation is of high origin which is influenced by the Recycled Orogen tectonic process which shows that the source of the original rock has been affected several times by tectonic activities such as the lifting process and the presence of total quartz mineral content which is more dominating than feldspar and lithik minerals. Formasi Muara Enim adalah formasi batuan yang ada di cekungan Sumatera Selatan yang beumur Miosen akhir – Pliosen yang tersusun atas litologi batupasir, batulempung dan batubara. Kegiatan penelitian dilakukan didesa Perangai, Kabupaten Lahat, Sumatera Selatan. Penelitian ini berfokus pada analisis petrografi dan analisis asal batuan pada formasi Muara Enim pada litologi batupasir. Penelitian ini dilakukan pada batupasir yang diperoleh dari singkapan batupasir pada daerah penelitian yang memiliki ukuran butir halus sampai dengan kasar. Dari hasil penelitian 6 sampel batupasir yang dianalisis petrografi didapat 2 jenis batupasir Sublitharenite, 3 jenis batupasir Lithic Arkose, dan 1 jenis batupasir Feldspatic litharenite menurut Klasifikasi Folk, dkk (1970) dan berdasarkan hasil analisis provenance presentase QFL dan QmFLt Diagram Dickinson (1983), didapatkan bahwa batupasir Formasi Muara Enim berasal tinggian yang dipengaruhi oleh proses tektonik Recycled Orogen yang menunjukkan bahwa sumber batuan asal telah beberapa kali dipengaruhi oleh aktivitas tektonik seperti proses pengangkatan dan keterdapatan kandungan mineral kuarsa total yang lebih mendominasi dibandingkan mineral feldspar dan lithik.

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