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All Journal Jurnal Zeolit Indonesia Alinea: Jurnal Bahasa, Sastra, dan Pengajaran
Anis Farika, Anis
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Religion Education Languange, Linguistic, Communication & Media

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THE PHENOL HYDROXYLATION USING A MoO3/TS-1 CATALYST THAT CALCINED ON THE VARIOUS TEMPERATURE Farika, Anis; Akhlus, Syafsir; Prasetyoko, Didik
Jurnal Zeolit Indonesia Vol 9, No 2 (2010)
Publisher : Jurnal Zeolit Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (89.739 KB)

Abstract

MoO3/TS-1 catalyst has been proven have a higher catalityc activity rather than TS-1 on phenol hydroxylation reaction become a hydroquinone. Preparation catalyst using a impregnasi technique with ammonium molbidate as a precursor. Catalyst calcined at temperature 400-800°C and characterized by X-Ray Diffraction (XRD), pyridin adsorption, and hydrophilicity test. Calcinations temperature affects a catalyst characteristic and related to catalyst activity. MoO3/TS-1 catalyst has been calcined at temperature 400°C showed a higher hydrophilicity rather than TS-1, a faster speed reaction on phenol hydroxylation, and increasing of catalyst activity rather than initial catalyst, TS-1.
Pendekatan Student Centered Learning Menggunakan Model Kooperatif Dalam Maharoh Kalam Maulana, Alfan Habib; Syarifah, Ainun; Farika, Anis
Alinea: Jurnal Bahasa, Sastra dan Pengajaran Vol. 5 No. 3 (2025): Alinea: Jurnal Bahasa, Sastra, dan Pengajaran
Publisher : Bale Literasi: Lembaga Riset, Pelatihan & Edukasi, Sosial, Publikasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58218/alinea.v5i3.2033

Abstract

he transformation of learning paradigms from teacher-centered to student-centered learning (SCL) positions students as the main actors in constructing knowledge, collaborating, and reflecting on learning outcomes. In the context of Arabic language instruction, particularly maharah kalam (speaking skills), this approach is highly relevant since speaking competence requires continuous interaction and negotiation of meaning. This study aims to improve students’ speaking skills through the integration of SCL with cooperative learning models such as Think-Pair-Share, Jigsaw, Numbered Heads Together, and role-play. The method employed is Classroom Action Research (CAR) conducted over two cycles using both qualitative and quantitative approaches. Qualitative data were collected through observations, interviews, and field notes, while quantitative data were obtained from pre- and post-oral tests in each cycle. The findings indicate that in Cycle I, there was an initial improvement in students’ speaking fluency and confidence, although participation remained uneven and several students struggled with vocabulary. In Cycle II, after the implementation of vocabulary scaffolding, role rotation, performance rubrics, and peer feedback, students demonstrated more significant progress, marked by more stable fluency, more accurate vocabulary use, and more active and collaborative interaction. Challenges such as lack of confidence and unequal participation were minimized through role-based cooperative strategies. These findings affirm that the integration of SCL and cooperative learning models is effective in enhancing maharah kalam and provides practical learning designs that Arabic language teachers can apply in various educational contexts.
Co-Authors Didik Prasetyoko Maulana, Alfan Habib Syafsir Akhlus, Syafsir Syarifah, Ainun