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All Journal Jurnal Veteriner EDUSAINS Journal of Education and Learning (EduLearn) Jurnal Pendidikan IPA Indonesia Dimas: Jurnal Pemikiran Agama untuk Pemberdayaan Jurnal Pembelajaran MIPA Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan TARBIYA : Journal Education in Muslim Society Jurnal Pendidikan Biologi Indonesia Hijri Biosfer: Jurnal Pendidikan Biologi CHEESA: Chemical Engineering Research Articles Jurnal Redoks EDUKATIF : JURNAL ILMU PENDIDIKAN Al-Ta'lim Islamika: Jurnal Keislaman dan Ilmu Pendidikan Dinasti International Journal of Management Science Jurnal Civronlit Unbari Sainstek : Jurnal Sains dan Teknologi Jurnal Pendidikan dan Kewirausahaan Natural Science: Jurnal Penelitian Bidang IPA dan Pendidikan IPA JURNAL ILMU PERPUSTAKAN (JIPER) El-Hekam : Jurnal Studi Keislaman Journal of Innovation and Technology Jurnal Engineering al-fikrah: Jurnal Manajemen Pendidikan Journal of Applied Science, Engineering and Technology (J. ASET) JURNAL PARADIGMA: Journal of Sociology Research and Education Prosiding Seminar Nasional Hasil Penelitian Sains, Teknik dan Aplikasi Industri Fakultas Teknik Universitas Lampung Jurnal Teknologi Lingkungan Jurnal Masyarakat Religius dan Berwawasan Ta'dib Edusainstika: Jurnal Pembelajaran MIPA Journal of Islamic Education Students Jurnal Polimesin Jurnal Teknologi dan Inovasi Industri Indonesian Journal of Environment and Sustainability Issues Nemui Nyimah
M. Haviz
Universitas Islam Negeri Mahmud Yunus Batusangkar
Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Physics Social Sciences Veterinary Other

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Glukoamilase amobil pada silika mesostructured cellular foam (mcf) magnetik untuk hidrolisis pati kentang Agustian, Joni; Hermida, Lilis; Rustamaji, Heri; Haviz, Muhammad
Prosiding Seminar Nasional Ilmu Teknik Dan Aplikasi Industri Fakultas Teknik Universitas Lampung Vol. 7 (2024): Prosiding Seminar Nasional Ilmu Teknik dan Aplikasi Industi (SINTA) 2024
Publisher : Fakultas Teknik Universitas Lampung

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Abstract

Inovasi dan studi silika mesopori magnetik untuk penyangga imobilisasi enzim glukoamilase untuk hidrolisis pati kentang belum dilakukan karena penyangga magnetik hanya dikaitkan dengan bahan partikel nano baik murni maupun komposit. Proses imobilisasi enzim glukoamilase pada penyangga dengan kondisi operasi proses divariasikan untuk diketahui pengaruhnya terhadap proses dimana hasil akhir adalah tingkat imobilisasi enzim yang cukup besar yang disimpulkan dari hasil analisis kandungan protein (metode Bradford), FTIR dan SEM-EDX. Bahan partikel nano magnetik berhasil diinkorporasi pada permukaan silika MCF (9.2T-3D) dengan tingkat imobilisasi optimum enzim glukoamilase bebas adalah sekitar 89,46% yang didapatkan pada kondisi operasi optimum pH larutan buffer 5,0, suhu operasi 35°C, kecepatan pengadukan 120 rpm,dan konsentrasi enzim suplai sebesar 5,5%. Walaupun unit aktivitas enzim amylase amobil adalah lebih rendah daripada enzim amylase bebas, enzim amobil tetap dapat digunakan untuk menghidrolisis susbtrat larut dalam air. Poses hidrolisis pati kentang dengan enzim tersebut menghasilkan nilai DE optimum 26,93% pada suhu 70°C, kecepatan pengadukan 170 rpm, pH buffer asetat 0,1 M 4,6, dan konsentrasi enzim 1500 U/mg.
Performance evaluation of helix and spiral receiver geometries for a parabolic solar collector using cfd analysis Yonanda, Ahmad; Hakim, Naufal; Amrizal, Amrizal; Irsyad, Muhammad; Harmen, Harmen; Riszal, Akhmad; Sinaga, Jorfri Boyke; Haviz, Muhammad
Jurnal Polimesin Vol 23, No 1 (2025): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i1.5709

Abstract

This comparative study evaluates the thermal performance of helix and spiral-shaped receivers in a Parabolic Dish Collector (PDC) system, a renewable energy technology that converts solar radiation into heat by concentrating sunlight onto a receiver. The geometry of the receiver significantly influences heat absorption and system efficiency. Using Computational Fluid Dynamics (CFD) simulations, this research compares temperature distribution, fluid flow velocity, and thermal energy transfer between the two receiver designs. Results indicate that the helix receiver provides more uniform heat distribution and achieves 2.6% higher thermal efficiency than the spiral receiver. However, the spiral receiver exhibits higher central flux and benefits from a simpler design and lower production costs. These findings offer insights into selecting optimal receiver geometries for improved solar energy utilization, supporting the advancement of efficient parabolic solar collector technology in renewable energy applications.
Pengaruh Penambahan Tempurung Kelapa untuk Meningkatkan Nilai Kalor Biobriket dari Kulit Pisang dan Penggunaan Getah Karet Sebagai Perekat Muis, Lince; Haviz, Muhammad
Jurnal Engineering Vol. 5 No. 2 (2023): Volume 5, Nomor 2, 2023
Publisher : Universitas Jambi

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Abstract

Biobriket merupakan bahan bakar padat yang terbuat dari campuran biomassa, dimana bahan bakar padat tersebut merupakan bahan bakar alternatif yang paling murah dan dapat dikembangkan dalam jumlah besar dalam waktu yang relatif singkat. Tujuan penelitian ini adalah untuk mengetahui variasi komposisi terbaik dalam produksi biobriket dari bahan dasar kulit pisang. Pengujian mutu dan mutu biobriket dilakukan dengan pengujian kadar air, kadar abu, bahan mudah menguap dan nilai kalor. Parameter yang dijadikan acuan mutu sesuai dengan Standar Mutu ISO Nilai Biobriket. Hasil yang didapat adalah biobriket berkualitas dari 12 komposisi yang terdapat pada perlakuan K3 yaitu lilin kulit pisang 100%, dimana kadar air sebesar 0,74%, kadar abu sebesar 8,47%, bahan mudah menguap sebesar 16,04%, dan nilai kalor sebesar 8669,00 Kal/g. Hal ini dikarenakan biobriket pada perlakuan K3 mempunyai sifat karakteristik yang mendekati standar ISO
PELATIHAN PEMBUATAN PUPUK ORGANIK GRANUL (POG) BERBAHAN BAKU SLUDGE LUARAN DIGESTER BIOGAS SEBAGAI UPAYA PENGOPTIMALAN PEMANFAATAN DIGESTER BIOGAS PEDESAAN Nawansih, Otik; Damayanti, Sri Ismiyati; Taharuddin; Iryani, Dewi Agustina; Haviz, Muhammad; Ginting, Simparmin Br
Nemui Nyimah Vol. 4 No. 1 (2024): Nemui Nyimah Vol.4 No.1 2024
Publisher : FT Universitas Lampung

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Abstract

The solid bioslurry fertilizer (sludge) produced by the biogas digester has good quality, but is still less attractive to farmers because it is in bulk form. Therefore, it is necessary to carry out training regarding the granulation of sludge into granular organic fertilizer (POG). The long-term goal of this service is fertilizer independence at the farmer level, through the ability of farmers to process surrounding waste into more practical organic fertilizer. The specific target is that the public knows science and technology related to fertilizer granulation and has skills in granulating fertilizer. The methods used are: coordination of the lecturer team with the community regarding training activities, preparation of raw materials, namely sludge and compost made from sludge-coffee husk, socialization and discussion regarding fertilizer granulation science and technology, training in making POG, and evaluation of activities together with the community. Implementation of service begins with coordinating the lecturer team with the community regarding the implementation of activities, continues with the preparation of raw materials and tools with the assistance of residents and students, implementation of training with assistance from students by inviting pekon officials and the community, ending with an evaluation with the community to determine the sustainability of the program. The community is very interested in creating a village business with this organic fertilizer, which in the future can be managed by BUMDes. An obstacle during community service is the difficulty of gathering residents during the day due to various different activities.
Boosting Creative Thinking with the 8E Learning Cycle: An Experimental Study on Virus Concepts in Senior High School Helmira, Merisca Revya; Haviz, M.
Journal of Islamic Education Students (JIES) Vol. 5 No. 2: November 2025
Publisher : Universitas Islam negeri Mahmud Yunus Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31958/jies.v5i2.15185

Abstract

Creative thinking skills are a crucial foundation for developing students' potential to become knowledgeable, competent, critical, and innovative individuals. This study aims to examine the effect of a project-based learning model using the 8E Learning Cycle on students' creative thinking skills in the topic of viruses at the senior high school (SMA) Phase E level. The research employed a true experimental design with a posttest-only control group. The study involved Grade X students of SMAN 1 Lareh Sago Halaban for the 2024/2025 academic year. Data were analyzed using an independent samples t-test with a significance level of ╬▒ = 0.05. The results showed a significance value of 0.000 < 0.05, indicating a significant difference between the experimental and control groups. The average creative thinking test score in the experimental class was 58.38% (categorized as fair), while the control class scored 36.15% (categorized as low). These findings demonstrate that the application of the 8E Learning Cycle-based project model significantly enhances studentsÔÇÖ creative thinking skills. Therefore, this model is effective in fostering creative thinking through contextual and project-oriented learning approaches.┬á
The Influence of Principal Situational Leadership and Teacher Independent Training on the Pedagogical Competence of Mathematics and Natural Sciences Teachers at State Senior High Schools in Pasaman Regency Hayati, Redhatul; Imamora, Marjoni; Demina, Demina; Haviz, M.; Yenti, Isra Nurmai
JURNAL PARADIGMA : Journal of Sociology Research and Education Vol. 6 No. 2 (2025): JURNAL PARADIGMA: Journal of Sociology Research and Education
Publisher : Labor Program Studi Pendidikan Sosiologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/9mznpd84

Abstract

Teachers' pedagogical competence is an essential factor in addressing the challenges of 21st-century education, particularly in the era of the Merdeka Curriculum, which requires teachers to assume adaptive and professional roles. This study aims to examine: (1) the Influence of principals' situational leadership on the pedagogical competence of science teachers at public senior high schools in Pasaman Regency; (2) the effect of teacher independent training on the pedagogical competence of science teachers; and (3) the simultaneous effect of principals' situational leadership and Teacher Independent Training on the pedagogical competence of science teachers at public senior high schools in Pasaman Regency. This study employs a quantitative ex post facto design, using questionnaires on principals' situational leadership, Teacher Independent Training, and pedagogical competence for data collection. These questionnaires were completed by 89 respondents, who served as the sample for this study. The population consisted of 115 science teachers at public senior high schools in Pasaman Regency. The results indicate a significant effect of principals' situational leadership on teachers' pedagogical competence, with a p-value of less than 0.05 in the partial t-test. The second finding confirms the effect of Teacher Independent Training on pedagogical competence, also with a significance value less than 0.05 in the partial t-test. The final finding shows a significant simultaneous effect of principals' situational leadership and Teacher Independent Training on the pedagogical competence of science teachers at public senior high schools in Pasaman Regency, based on the F-test with a p-value of less than 0.05. These findings highlight the principal’s role in applying adaptive leadership styles and emphasize the significance of self-directed training for teachers’ professional development. This research advocates for optimizing self-directed training and implementing responsive leadership to sustainably enhance teachers' pedagogical competence.
PEMBERDAYAAN MASYARAKAT MELALUI DIVERSIFIKASI PRODUK ROSELLA DI KAMPUNG PADUAN RAJAWALI, TULANG BAWANG Amien, Elhamida Rezkia; Haviz, Muhammad; Yulianti, Titin; Suhandy, Diding; Telaumbanua, mareli
Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Vol. 5 No. 2 (2021)
Publisher : Lembaga Penelitian dan Pengabdian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jss.v5i2.257

Abstract

Desa Paduan Rajawali merupakan salah satu sentra penghasil Rosella di Kabupaten Tulang Bawang. Produk yang dihasilkan hanya ditangani dengan cara yang sederhana. Akibatnya produk mengalami kendala untuk dapat dipasarkan secara global. Selain itu, pemasaran produk Desa hanya sebatas pameran produk yang di adakan pada tingkat lokal dan provinsi sehingga kegiatan yang dilakukan oleh Kelompok Wanita Kreatif Rosella ini tidak signifikan meningkatkan pendapatan desa. Pengabdian ini bertujuan untuk meningkatkan produktifitas produk olahan Rosella melalui penambahan varian produk Rosella dan pengemasan produk. Metode yang digunakan untuk mendukung kegiatan ini ialah dengan memberikan edukasi dan pendampingan tentang pengolahan produk-produk hasil pertanian khususnya Rosella. Materi kegiatan pengabdian sangat sesuai dengan kebutuhan mitra dan pelaksanaan kegiatan secara berkelanjutan yang ditunjukkan dengan 80% peserta memberikan penilaian sangat setuju (SS) dan 60% peserta menyatakan bahwa peralatan yang digunakan sesuai kebutuhan dan mudah untuk digunakan. Mitra juga menyambut dengan baik disain logo yang diberikan, saran pengemasan, tambahan produk, serta pemasaran online yang telah dibuatkan. Mitra sangat antusias terhadap kegiatan ini dan berharap dilakukan pendampingan serupa Kata kunci: diversifikasi, produk Rosella, Rosella
Implementation of Interfaith Tolerance and Moderation in Achieving Harmony in Cisantana Village, Cigugur District, Kuningan Regency Rahmadani, Amelia; Irawan, Rinaldi; Nadzirah, Salma; Haviz, M.
MARAWA: Jurnal Masyarakat Religius dan Berwawasan Vol 4 No 1 (2025): Masyarakat Religius dan Berwawasan
Publisher : Universitas Islam Negeri Mahmud Yunus Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31958/marawa.v4i1.13488

Abstract

This research discusses the importance of moderation and religious tolerance between religious communities in Indonesia, which is known for being rich in religious and cultural diversity. In the context of globalization, religious and cultural pluralism is quite a big challenge, where differences in beliefs can trigger tension and conflict if not managed well. Therefore, a religious moderation approach is proposed as a solution to overcome these differences constructively and harmoniously. The aim of this research is to explore how religious moderation can contribute to social harmony and the development of an inclusive society. This research also emphasizes the importance of tolerance as a basis for maintaining social peace, where every individual is recognized and recognized for their rights to carry out their religious beliefs. The methodology used in this research includes qualitative analysis of religious moderation practices in various communities, including in Cisantana Village, which is a clear example of how inter-religious harmony can be realized amidst diversity. The research results show that implementing an attitude of religious tolerance and moderation not only increases social unity, but also prevents conflicts that may arise due to differences in beliefs. By engaging in education, interfaith dialogue, and policies that support religious freedom, society can build mutual respect and understanding. The conclusion of this research confirms that moderation and religious tolerance are the keys to creating social harmony and preventing conflict in a multicultural society like Indonesia, as well as the importance of the active role of government and organizations in supporting these initiatives
Teaching Quantitative Research Method with Three Methods of Learning Haviz, Muhammad; Maris, Ika Metiza
AT-TA'LIM Vol 25, No 3 (2018)
Publisher : Institut Agama Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1321.296 KB) | DOI: 10.15548/jt.v25i3.394

Abstract

This study aims to investigated the effect of lecture-discussion (LD), direct instruction (DI)and guide inqury (GI) to students’achievement on quantitative design research. An experimental comparison group post-test only designwas used to prove the hypothesis there is a significant difference of students’achievement on undergraduate biology education class (BEC) and master's economic class (EC)with the using of LD, DI and GI.This study used34 BECs’ student and 26 ECs’ student who take quantitative research courses in the academic year 2016-2017.The students’ achievement was measured by instrument of Research based Learning (RbL). The collected data has been analyzed by using descriptive statistics, and Chi-Square test to determine the comparison in both treatment of classes.The result of this study has shown thatχ2scores of LD(71.276) andχ2scores of DI(203.12) χ2 table α(0.05;0.01) (15.507;20.090). At the using of GI, the quality for students’ achievement scores on BEC is better than EC (standard vs. approaching standard). In conclusion, there was significant difference of students’achievement onBEC and EC with the using of LD, DI and GI.
Co-Authors A.Yudi Eka Risano Afrina, Cut Afwadi Afwadi Afwadi, Afwadi Agus Sugiri, Agus Agustian, Joni Ahmad Fauzan Ahmad Fauzan Ahmad Yonanda Ahmad Zakaria Aidhya Irhash Putra Aini, Latifah Zahra Akbar, Muhammad Rafli Akhmad Riszal Akhyar Hanif Ali Akbar Alisya, Rona Amalia, Faza Amrizal Amrizal Andrian, Tevi Emiliana Andrizal Andrizal Anna Mardhia Annisa Rahma Anwar, Hasrul Arief Boediono Aryanti, Annisa Ashruri Ashruri Ashruri, Ashruri Asmendri Asmendri Atikah Atikah Ayu Srisasmita Azalpa, Khansa Arikah Azhar Azhar Azwar, Edwin Chania, Yen Damayanti, Sri Ismiyati Damris Muhammad Dela Karliza Delfita, R. Demina Demina Dewi Agustina Iryani, Dewi Agustina Dewi Sasmita Diding Suhandy Diyyan Marneli Diyyan Marneli Diyyan Marneli Djana, Miftahul Donny Lesmana Dwi Rini Kurnia Fitri Dwi Rini Kurnia Fitri Effendi, Yusrizal Elhamida Rezkia Amien Elida Purba Eltri, Amandha Putri Elvy Rahmi Fadriati Fadriati Fira Asrianita Fitrina Afrianti Hakim, Naufal Harmen, Harmen Hasan Zaini Hayati, Redhatul Helendra . Helendra Helendra Helmira, Merisca Revya Heppy Yerita Heri Rustamaji Hermida, Lilis Herry Wardono Herti Utami Hijratul Husna Hussein, Muhammad Hutagaol, Adarson Wasborn Ibrahim, Nurul Fatiha Ika Metiza Maris Irawan, Rinaldi Irdinansyah Irdinansyah Irza Sukmana, Irza Isra Nurmai Yenti Karomah, H. Kasmuri Selamat Kasmuri Selamat KF, Dwi Rini Khairat, Annisaul Lazwardi, Lisa Lince Muis Lince Muis Lismeri, Lia Lufri Lufri Lusmeilia Afriani M Agus Setiadi M Ridho M Rizky Ismail M. Dyan Susila M. Zahari Mareli Telaumbanua Maris, I. M. Maris, I. M. Marjoni Imamora Ali Umar Marneli, Diyyan Mayasari, Rizka Merdeka, M. Fabian Mokhamad Fahrudin Muhammad Irsyad Nadzirah, Salma Najmi Lihayati Najmiatul Fajar Najmiatul Fajar Najmiatul Fajar Nandini, Ni Putu Ariessa Nazarrudin, Rizal Nova Novita Nur, Areva Fatiha Nurhadi Nurhasnah Nurhasnah Nurlaila Nurlaila Otik Nawansih Panca Nugrahini Febriningrum Prayoga, Rian Adi Rafita Arni Rahmadani, Amelia Rahmatullah Rahmatullah Ramadhan Sumarmin Ramadhan Sumarmin Renardy, B Niko Renil Fortunately Resi Maimufi Ridwal Trisoni Ridwal Trisoni Rifqi Fadhilah Irsa Rina Delfita Rina Delfita Rina Delvita Rina Hayati Rini Afsa Riszal, Akhmad Rizka Wulandari Putri Rizki Rizki Rosalia D.W Roza Helmita Roza Helmita Roza Helmita Roza Helmita Roza Helmitha Saputra, Muhammad Galuh Sari, Lufita Selvi Amelia Simanjuntak, Ecclesya Agata Simparmin br Ginting Sinaga, Jorfri Boyke Sirajul Munir Siska Fitriani Solly Aryza Srihadi Agungpriyono SUSANTI Suswati Hendriani Suswati Hendriani Taharuddin Taharuddin Taharuddin Titik Kurningsih Titin Yulianti Tri Budi Wibowo Ulan Sovi Yanti Ulva, Rifka Khaira Umairah, Saidati Jannati Umar, M. I. A. Ummi Hanafiah Utama, Swarna Dharma Vabylita, Maria Fransisca Wicaksono, Mahruri Arif Wulandari, Martha Yenny Septi Yuli Darni Yusrizal Effendi Yusup Hendronursito, Yusup Z. Mawardi Effendi