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All Journal Jurnal Engineering Jurnal Pengabdian Masyarakat dan Riset Pendidikan
M. Naswir
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Humanities Education Engineering Languange, Linguistic, Communication & Media Mathematics Other

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Perbandingan Karakteristik Asap Cair Pada Berbagai Grade Dari Pirolisis Batubara Rendi Yuli Saputra; M. Naswir; Hadistya Suryadri
Jurnal Engineering Vol. 2 No. 2 (2020): Volume 2, Nomor 2, Agustus 2020
Publisher : Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (747.06 KB) | DOI: 10.22437/jurnalengineering.v2i2.11531

Abstract

Asap cair yang dibuat dari proses pirolisis batubara jenis sub-bituminous dilakukan pada temperatur 280-300oC dengan waktu pirolisis selama 4,5 jam. Selanjutnya dilakukan 2 jenis pemurnian yaitu metode distilasi dan adsorpsi untuk menentukan metode yang paling efektif dalam mendapatkan asap cair grade 1, grade 2 dan grade 3. Diketahui bahwa distilasi merupakan metode yang paling efektif dimana pada proses ini didapatkan persen yield pada grade 3 sebesar 92,5%, grade 2 sebesar 92% dan grade 1 sebesar 97,22%. Hal ini dibuktikan pula dengan analisis menggunakan GC-MS didapatkan bahwa asap cair batubara memiliki kadar asam asetat dan kadar fenol yang tinggi dan kandungan senyawa-senyawa ini berperan penting pada proses pengawetan dan antimikroba.
Aplikasi Asap Cair Batubara Sebagai Koagulan Lateks Serta Pengaruhnya Terhadap Struktur dan Kualitas Lateks Nindi Vintiani; M. Naswir; Hadistya Suryadri
Jurnal Engineering Vol. 3 No. 1 (2021): Volume 3, Nomor 1, Januari 2021
Publisher : Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (870.678 KB) | DOI: 10.22437/jurnalengineering.v3i1.12151

Abstract

Produktivitas karet di Indonesia memiliki nilai yang rendah baik dalam segi kuantitas maupun kualitas bila dibandingkan dengan negara lain produsen karet seperti Malaysia dan Thailand. Kurangnya pengetahuan petani karet terhadap proses pengolahan bahan olahan karet dan proses koagulasi lateks, menjadi salah satu penyebab rendahnya mutu karet di Indonesia. Pada penelitian ini, asap cair batubara grade III dan non grade dengan masing-masing konsentrasi sebesar 10%, 25%, 45%, 50%, dan 60%, digunakan sebagai koagulan lateks untuk memperoleh penggumpalan dan kualitas karet yang baik. Koagulum karet yang dihasilkan digiling dan dikering anginkan. Selanjutnya dilakukan pengukuran kualitas menggunakan merode SNI-06-1903-2000. Hasil penelitian menunjukkan bahwa asap cair batubara grade III dan nongrade dapat menggumpalkan lateks dengan baik dimulai pada konsentrasi asap cair batubara grade III dan non grade 25%. Semakin tinggi konsentrasi asap cair batubara grade III dan nongrade yang digunakan, maka semakin kecil: kadar kotoran, kadar abu, kadar zat menguap, serta warna koagulum karet semakin kecoklatan hingga kehitaman stelah beberapa waktu. Dalam penelitian menunjukkan bahwa asap cair batubara grade III 10% dan non grade 10% dan 25% tidak mampu menghambat pertumbuhan bakteri karena rendahnya kandungan senyawa asam dalam asap cair, sehingga pada penyimpanan selama 5 hari tumbuh belatung pada koagulum. Konsentrasi asap cair batubara baik grade III maupun non grade yang optimal dalam koagulasi lateks yaitu konsentrasi 45%, konsentrasi yang dibutuhkan tidak terlalu besar akan tetapi karet yang dihasilkan dari proses koagulasi memiliki kualitas yang baik dan memenuhi standar SNI. Struktur karet dipengaruhi oleh kualitasnya, semakin rendah kualitas karet maka karet akan semakin berongga karna penggumpalannya tidak dapat terjadi secara sempurna, akibatnya karet akan berongga dan mudah putus apabila ditarik.
Pengembangan Instrument Test untuk Mengukur HOTS Siswa pada Materi Asam Basa: Penelitian Lara Juni Ulpa; M. Naswir; Fuldiaratman
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 3 No. 4 (2025): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 3 Nomor 4 (April 2025
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v3i4.1018

Abstract

Higher Order Thinking Skills (HOTS) are important competencies in 21st century learning, especially in chemistry that is conceptual and analytical. HOTS includes three levels of the revised Bloom's Taxonomy: analyzing (C4), evaluating (C5), and creating (C6), with creating as the highest level that demands creativity and original solutions. Acid-base material in grade XI is often considered abstract and difficult to understand, so an evaluation instrument is needed that can measure HOTS in a valid and reliable manner. This study aims to develop an electronic-based descriptive test instrument to measure students' HOTS. The development model is modified from the Wilson, Oriondo, and Antonio model, through three stages: design, limited testing, and measurement. The validation results by material experts (91%), construct (90%), and language (89%) show a very high category. The reliability test produced a coefficient of 0.87, indicating very good consistency. The discriminatory power of the questions is mostly good with a moderate level of difficulty. Teachers' assessment of the instrument's feasibility was 92%, and students' responses were 88%, both of which were categorized as very good. Thus, this instrument is suitable for measuring and improving students' HOTS in acid-base learning according to the Merdeka Curriculum.
Workshop Optimasi Peran AI untuk Penyusunan Modul Ajar Deep Learning Bagi Guru IPA SMP di Kabupaten Muaro Jambi: Pengabdian Harlis; Dara Mutiara Aswan; Asni Johari; M. Naswir; Retni S. Budiarti; M. Erick Sanjaya; Evita Anggereini
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 2 (2025): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 2 (October 202
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i2.2935

Abstract

Good planning is needed to facilitate the implementation of Deep Learning, so that learning ran optimally and could achieve learning outcomes. The existence of technology such as Artificial Intelligence (AI) could simplify teachers' work and save time in developing Deep Learning lesson plans. This community service activity aims to provided information related to the Deep Learning approach, AI tools that can be used in compiling Deep Learning lesson plan, and provided skills to teachers in using AI. This service activity was carried out at MGMP IPA Gugus 1 Muaro Jambi Regency. The method of implementation of the service was through lectures/seminars and tutorials on compiling Deep Learning lesson plans using AI. Through this activity, teachers received information related to the Deep Learning approach and AI tools that can be used to develop teaching modules and practiced in utilizing AI to compile Deep Learning lesson plans. It was concluded that this community service activity can improve the ability of science teachers who are members of MGMP IPA Gugus 1 Muaro Jambi Regency in utilizing AI to develop Deep Learning tlesson plans. This activity is expected to inspire the use of AI technology to improve the quality of learning.
Workshop Peningkatan Motivasi Belajar Siswa: Solusi Praktis Bagi Guru-Guru IPA Gugus 1 Muaro Jambi: Penelitian Desfaur Natalia; Asni Johari; M. Naswir; Dara Mutiara Aswan; M. Erick Sanjaya
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 2 (2025): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 2 (October 202
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i2.3019

Abstract

The results of interviews with junior high school teachers in Muaro Jambi Regency revealed that student participation in learning is still lacking and they often ignore assignments given by teachers. They consider science material difficult and uninteresting, which impacts low learning outcomes. This problem is not only caused by internal factors of the students, but also by external factors, namely teachers. Observations show that the learning methods applied are not varied. In addition, teachers' understanding of student learning psychology is still not optimal, thus impacting students' self-confidence and learning motivation. This activity aims to provide practical solutions to MGMP Science teachers in Cluster 1 Muaro Jambi in improving student learning motivation. The implementation method is a participatory workshop involving material presentation, interactive discussions, and practical training on developing learning tools oriented towards increasing learning motivation. The activity evaluation showed a positive response from participants to the activities carried out, with an average score of 3.65 for participant responses, 3.74 for material relevance, 3.91 for usefulness, and 3.91 for clarity of delivery, all in the very good category. These results indicate that the material presented is relevant to teachers' needs and has great potential to be implemented in learning practices.
Co-Authors Asni Johari Dara Mutiara Aswan Desfaur Natalia Evita Anggereini Fuldiaratman Hadistya Suryadri HARLIS Lara Juni Ulpa M. Erick Sanjaya Nindi Vintiani Rendi Yuli Saputra Retni S. Budiarti