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All Journal Jurnal Matematika & Sains Journal of Aceh Physics Society JPPPF (Jurnal Penelitian dan Pengembangan Pendidikan Fisika) Jurnal Natural Cakradonya Dental Journal Jurnal Pendidikan Sains Indonesia (Indonesian Journal of Science Education) Journal Education And Islamic Studies Journal of The Civil Engineering Student
Mursal Mursal
Department Of Physics, Universitas Syiah Kuala, Banda Aceh
Religion Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Dentistry Earth & Planetary Sciences Education Energy Engineering Immunology & microbiology Mathematics Neuroscience Physics Public Health Transportation

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DESAIN OF ACOUSTIC SANDWICH COMPOSITE FROM FOAM CONCRETE AND PALM FIBER Devya Kartika Devya; Mursal Mursal; Zulkarnain Djalil
Jurnal Natural Volume 18, Number 2, June 2018
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jn.v18i2.9706

Abstract

The purpose of this research were to investigate the influence of palm fiber composition and the number of hole cavities was varied with design Acoustic Sandwich Composite on sound absorption of acoustic panel. Acoustic panel were made of palm fiber as core and foam concreate as skin upper layer and bottom layer where there is a hole cavity on skin upper layer. Composition and the number of hole cavities was varied from 1 to 3 kg and the number of hole cavities from 25 to 81 hole. Sound absorption measurement was conducted by using reverberation room method based on ISO-354 (2003) with pink and white noise as sound source.The results showed that sample thickness affect acoustic absorption value effectively shifted at low frequencies, as in this research the best sound absorption occurs in panel with composition palm fiber most widely 3 kg, but coeffesient absorpsi value effective is in the range 250 Hz and use the number of hole cavities at skin upper layer of each sample effectively cause sound absorption coeffisient value increased, for both pink and white noise from sound source.Keyword : acoustic panel, foam concrete, palm fiber, sandwich composite, and absorption coefficient
Studi Diameter Tubulus Dentin Setelah Pemaparan Fluoride 1500 Ppm (Gambaran Atomic Force Microscopy) Abdillah Imron Nasution; Mursal Mursal; Iqbal Saputra
Cakradonya Dental Journal Vol 8, No 2 (2016): Desember 2016
Publisher : FKG Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Fluoride sering terdapat di dalam pasta gigi dengan kadar 1500 ppm. Jika fluoride terpapar dengan dentin, fluoride dapat mengubah struktur dan ukuran kristal Hidroksiapatit yang merupakan pembentuk dentin. Penelitian ini bertujuan menganalisis pengaruh pemaparan fluoride 1500 ppm terhadap diameter tubulus dentin. Penelitian ini menggunakan Atomic Force Microscopy dan ukuran diameter tubulus dentin dianalisis dengan software gwyddion v.2.30. Enam gigi premolar digunakan sebagai spesimen dan dipotong pada area mahkota dekat CEJ kemudian dihaluskan. Spesimen dikelompokkan ke dalam enam kelompok yaitu kelompok kontrol dan kelompok yang dipaparkan larutan fluoride 1500 ppm dengan durasi 1 menit, 3 menit, 5 menit, 8 menit dan 10 menit. Pemaparan dengan fluoride dilakukan selama 7 hari. Sebanyak 5 tubulus dentin dari masing-masing spesimen dihitung ukuran diameternya. Hasil dari penelitian menunjukkan bahwa diameter tubulus dentin pada kelompok kontrol memiliki ukuran rerata yang paling besar yaitu 4,41 m. Sedangkan ukuran rerata diameter tubulus dentin pada kelompok perlakuan yaitu 2,63-3,53 m. Hasil uji analisi statistik oneway ANOVA dan uji Tukey menunjukkan semua kelompok perlakuan memiliki perbedaan yang signifikan dengan kelompok kontrol (p0,05). Dapat disimpulkan bahwa pemaparan larutan fluoride 1500 ppm dapat mengurangi diameter tubulus dentin secara signifikan walaupun belum mampu menutupi tubulus dentin yang terbuka dengan sempurna.
Transformasi Pemikiran Muhammadiyah Dari Puritanisme Ke Kosmopolitanisme Syafrianto Syafrianto; Apris Apris; Mursal Mursal; Ahmad Lahmi
Journal Education And Islamic Studies Vol 2 No 2 (2024): Journal Education And Islamic Studies
Publisher : Institut Agama Islam Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55062//IJR.2024.v2i2/538/5

Abstract

This research aims to explore the development and transformation of Muhammadiyah thought from puritanism to cosmopolitanism. This research uses a qualitative method with a library research model. The source of data for this research is by searching for books and scientific articles in online journals with the help of the Publish or Perish application and Google Scholar. After the data is found, it is filtered and classified according to the theme discussed. Furthermore, the author will present the results of the research in the form of narratives and graphs, making it easier to understand the discussion. The results of this research can be concluded, that Muhammadiyah as a modernist Islamic movement, is rooted in the spirit of puritanism which emphasises the purification of Islamic teachings based on sacred texts and practices of the salaf generation. Over time, the organisation underwent a transformation towards cosmopolitanism, which integrates inclusive, adaptive, and universal values. This shift was influenced by globalisation, the dynamics of science, and contextual needs, which encouraged Muhammadiyah to combine puritanism with tajdid (renewal). Through the concept of Islam Berkemajuan, Muhammadiyah carries the vision of universal humanitarian solidarity, dialogue between civilizations, and active participation in global issues. This transformation reflects a shift from a doctrine-based movement to one that contributes significantly to the welfare of humanity, maintaining relevance at the national level, while expanding its influence on the global stage.
Co-Authors A Halim Abdillah Imron Nasution ABDUL GANI Abdul Gani Abu Bakar Adlim Adlim Ahmad Lahmi Akmal NIzar Amiruddin Supu Anak Agung Gede Sugianthara Apris Apris Athaillah Athaillah Ayel Sarwono Lahra Burhannudin Chanafi Cut Rizka Maulida Devya Kartika Devya Elin Yusibani Heni Pujiastuti Huzaim Huzaim Ibnu Khaldun Ida Usman Iqbal Saputra Irhamni Irwandi Irwandi Irwandi Irwandi ISMAIL ISMAIL Junaidi Junaidi Lindawati Lindawati Mailizar Mailizar Mochammad Afifuddin Mohamad Barmawi Muhammad Hasan Nasri Nasri Rahmi Maulidati Riesyaputra Riesyaputra Siti Helmyati Sukirno Sukirno Suriana Suriana Syafrianto Syafrianto Syarifah Rahmiza M T Winata Tarmizi Tarmizi Taufik Taufik Tengku Diah Zulismi Putri Toto Winata Trya Andayani Mirda Ummi Salamah Ummi Salamah Widya Angreni Yuli Andriani Yundari, Yundari Yusrizal Yusrizal Zia Nurkhalida Hatta Zulhaini Zulhaini Zulkarnain A Jalil Zulkarnain Djalil