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All Journal Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Journal of Materials Exploration and Findings (JMEF)
Baskoro, Agung
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Religion Arts Humanities Economics, Econometrics & Finance Social Sciences

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Contribution of Independent Learning and Learning Motivation to Learning Outcomes of Islamic Religious Education Students of State Senior High School 1 Sei Rampah Wijaya, Candra; Ananda, Rusydi; Baskoro, Agung
Budapest International Research and Critics Institute (BIRCI-Journal): Humanities and Social Sciences Vol 4, No 3 (2021): Budapest International Research and Critics Institute August
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birci.v4i3.2313

Abstract

This study aims to determine: (1) the positive and significant contribution of learning independence to the learning outcomes of Islamic Religious Education, (2) the positive and significant contribution of learning motivation to the learning outcomes of Islamic Religious Education, and (3) the positive and significant contribution of learning independence and motivation. Study together on the learning outcomes of Islamic Religious Education? The research was conducted at SMA Negeri 1 Sei Rampah. This research is a quantitative research with correlation research method. The population in this study were all students of class XI which consisted of 8 classes totaling 240 students. The research sample amounted to 72 students who were taken by random sampling technique. The data collection instruments used were questionnaires and tests. Analysis of the data used is correlation and regression. The research findings show: (1) there is a positive and significant contribution between learning independence and learning outcomes with a correlation number of 0.354 with the regression line equation Ŷ = 71.60 + 0.23X1, (2) there is a positive and significant contribution between learning motivation and learning outcomes. With a correlation number of 0.473 with the regression line equation Ŷ = 68.96 + 0.28X2. and (3) there is a positive and significant contribution between learning independence and learning motivation with learning outcomes with a correlation number of 0.549 with the regression line equation Ŷ = 138.80 + 0.18X1 + 0.25X2. The effective contribution of the learning independence variable to learning outcomes is 9.90%, while the effective contribution of the learning motivation variable to learning outcomes is 20.00%.
Development of 485 MPa Class High Strength Low Alloy Steel for Power Plant Infrastructures Baskoro, Agung; Riastuti, Rini
Journal of Materials Exploration and Findings Vol. 3, No. 1
Publisher : UI Scholars Hub

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Abstract

Currently, Indonesia is progressing to build 35,000 MW of power plants, which will increase the demand for materials, especially steel. One of these power plants is fossil fuel-based, which generates not only electricity but also flue gas containing sulfur that may cause corrosion to power plant infrastructure such as chimney or boiler areas. In addition, apart from being resistant to corrosion in sulfuric and hydrochloric acid conditions, the steel used in power plant infrastructure must also have good strength, toughness, and weldability. Therefore, the present paper describes about steel development for power plant applications that has not only corrosion resistance in sulfuric and hydrochloric acid environments but also good mechanical properties through the addition of vanadium as micro alloy element combined with the implementation of a thermo-mechanical controlled process (TMCP) in hot rolling process. The results showed that chemical composition and mechanical properties of the product comply with the standards ASTM A588 Grade A for high strength low alloy steel with atmospheric corrosion resistance. The measured atmospheric corrosion index is 6.54. Thus, the mechanical properties of the steel produced are yield strength of 512-518 MPa, tensile strength of 662-664 MPa, and elongation of 40-42%. The microstructure of the product is ferrite and perlite, with an average grain size of ASTM No. 12.10 (5.2-5.5 µm) classified as very fine grain.
Co-Authors Ananda, Rusydi Candra Wijaya, Candra Rini Riastuti, Rini