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All Journal Dinamika Kerajinan dan Batik : MAJALAH ILMIAH Jurnal Ilmiah Research Student
Subiyati Subiyati
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Religion Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Economics, Econometrics & Finance Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Social Sciences

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PEMANFAATAN LIMBAH SERUTAN KAYU NANGKA (Artocarpus heterophyllus) UNTUK PEWARNAAN KAIN SUTERA Ainur Rosyida; Subiyati Subiyati
Dinamika Kerajinan dan Batik: Majalah Ilmiah Vol 35, No 2 (2018): Dinamika Kerajinan dan Batik : Majalah Ilmiah
Publisher : Balai Besar Kerajinan dan Batik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22322/dkb.v35i2.4301

Abstract

This research aimed to exploit the jackfruit wood  waste as textile coloration on silk. Moreover to know influence of dip solution pH variation application and mordan process to dyeing result quality. The dying process obtained by differences pH variation and fixator substance, namely alum and ferrous sulfate. According to the research was known that jackfruit wood  could be used to color silk into yellow and brown. The final color depending on the fixator whereas the color density and trend color depending on pH solution used in dyeing process. The dyeing process proved the good result, since it got smooth and permanent color. The color density showed the dyeing process using alum mordant got yellow included the highest color density on acid (pH : 5) whereas the ferrous sulfate got brown included the highest color density on acid (pH : 5). The color endurance on washing process got good color change value on 4 -5 of Grey Scale standart and of Staining Scale standard. Whereas color endurance on dry rubbing got very good: 5 on wet rubbing of Grey Scale standard. The results of this study can be applied to the process of dyeing natural dyes with optimal results and a short time.
Penerapan Model Round Robin Brainstorming dalam Meningkatkan Kerjasama Tim Amallah Nur Amanah; Ismail Hidayat; Subiyati Subiyati; Murtiningsih Murtiningsih; Heru Maryatun; Imam Rofingi
JURNAL ILMIAH RESEARCH STUDENT Vol. 2 No. 2 (2025): September
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jirs.v2i2.5912

Abstract

This study aims to describe the steps, advantages, and disadvantages of applying the Round Robin Brainstorming learning model in PPKn (Civics Education) at MTs N 1 Klaten, MTs N 5 Karanganyar, and MAN Kebumen. This research uses a qualitative approach. The informants being. Data collection techniques include interviews, observations, and documentation. The results of this study are: 1) The steps of the Round Robin Brainstorming model include students forming groups, with each member taking turns in a clockwise direction to respond to questions. If necessary, students can take on roles as note-takers or rule enforcers. It is explained to the students whether they will take turns once in sequence or several times, and one student is asked to start the activity by offering an idea or response verbally; 2) The advantages of the Round Robin Brainstorming model include its effectiveness in eliciting many ideas, as it requires all students to participate. It can solve participation issues, ensuring equal participation, and can enhance student interaction, fostering cooperation and improving learning outcomes; 3) The disadvantages of the Round Robin Brainstorming model include the need for specific skills that students may not have learned before, the possibility of group discussions being dominated by a few outspoken students, and students often being reluctant to express their opinions during group discussions. The conclusion of this study is that the Round Robin Brainstorming model can be applied in the learning process to enhance teamwork during lessons and is effective in improving learning outcomes.
Co-Authors Ainur Rosyida Amallah Nur Amanah Heru Maryatun Imam Rofingi Ismail Hidayat Murtiningsih Murtiningsih