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Menampilkan 31–40 dari 244 artikel
Training on Hand Soap Formulation Using Caesalpinia sappan (Sappanwood)
Ambarwati, Nadya
; Indriani , Novamei
; Vibrianita Nidom, reviany
; Marfuatin Nur, Fikria
; Jamaluddin Sandhori, Fajar
; Purbosari, ira
; Rahayu, asti
; Wido Mukti, asri
; Pramushinta, iak
; Rifqi Prasetyawan, Hanif
; rismawati
Jurnal Pengabdian Teknologi Tepat Guna
Vol 6
, No 3
(2025)
: This community service aims to increase the capacity of community skills in utilizing local biological resources, especially secang wood (Caesalpinia sappan L.), as an active ingredient in making natural-based handsoap with bioactive compounds such as brazilin, tannins, and flavonoids that have antibacterial, antioxidant, and anti-inflammatory properties, as environmentally friendly hygiene products. The training will be carried out through a theoretical and practical approach, which inc...
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Effect of Biomass Feedstock Granulometry on Thermophysical Characteristics of Charcoal Briquettes via Screw Extrusion
Samsudin Anis
; Jefri Bale
; Septian Eko Cahyanto
; Ninda Kurniadi
; Fitriyana, Deni Fajar
; M. Thooriq Anwar
; Januar Parlaungan Siregar
; Natalino Fonseca Da Silva Guterres
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 4
(2025)
The present study investigates the impact of particle size variation (10, 18, 20, and 35 mesh) on the physical and thermal properties of charcoal briquettes from coconut shells manufactured with a screw-based extruder machine. The briquette manufacturing process involves crushing, mixing, molding, and drying. Assessments were conducted to ascertain friability, compressive strength, density, calorific value, volatile matter, ash content, fixed carbon, and water content. Comparable assessments wer...
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Analisis Prioritas Penanganan Jalan dengan Metode Provincial and Kabupaten Road Management System (PKRMS) di Kranggan, Temanggung
Journal of Civil Engineering and Technology Sciences
Vol 4
, No 2
(2025)
Kondisi jalan idealnya berada dalam keadaan mantap untuk mendukung mobilitas masyarakat, namun keterbatasan anggaran menjadi kendala sehingga diperlukan alokasi yang efektif, efisien, dan sesuai kebutuhan. Analisis prioritas penanganan jalan menggunakan Provincial and Kabupaten Road Management System (PKRMS) menghasilkan rekomendasi jenis penanganan, estimasi kebutuhan biaya, serta urutan prioritas berdasarkan data inventarisasi jalan, kondisi jalan, volume lalu lintas, dan harga satuan pekerjaa...
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Development of E-Worksheets Discovery Learning Model Assisted by Augmented Reality for Renewable Energy Topic
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 4
(2025)
The poor motivation and interest of students in learning physics which is frequently viewed as challenging and less interesting led to the conduct of this study. As a result, creating cutting-edge educational materials that may facilitate interactive learning and foster a deeper conceptual grasp is essential. Building an Electronic Student Worksheet on the subject of renewable energy using the Discovery Learning methodology enhanced by Augmented Reality is the aim of this study. The research and...
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Virtual Reality Effect on Student Learning Outcomes in Nuclear Physics and Radioactivity Topics
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 4
(2025)
Learning Nuclear Physics and Radioactivity is often perceived as difficult by student because the concepts are abstract, thus requiring learning media that can visualize these concepts more concretely. This study aims to analyze the effect of using Virtual Reality media on student’s learning outcomes in the topic of Nuclear Physics and Radioactivity. The research employed a Quasi Experimental method with a Nonequivalent Control Group Design. The subject were 33 12th grade students of Al Adzkar H...
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Black Soldier Fly as an Alternative to Strengthen the Local Economy and Manage Organic Waste in Mojolaban District
Nadifta Ulfa, Amalia
; Sutrisno, Joko
; Nurhidayati, Indah
; Agustono, Agustono
; Fajarningsih, Rhina Uchyani
; Khairiyakh, Refa’ul
; Irawan, Evi
Indonesian Journal of Empowerment and Community Service
Vol 6
, No 2
(2025)
Waste remains a major issue in various regions, particularly organic waste. Unmanaged organic waste can cause environmental pollution and contribute to increased greenhouse gas emissions. In line with the Sustainable Development Goals (SDGs), particularly SDG 12 (Sustainable Consumption and Production) and SDG 13 (Action on Climate Change), innovative solutions are needed to manage organic waste more effectively and efficiently. Waste banks, as environmental advocates, are currently focusing mor...
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Effect of Natural Fiber Stacking Sequence on the Properties of Hybrid Composites for Drone Frame Applications
Janiviter Manalu
; Jefri Bale
; Khristhoper Aris Arianto Manalu
; Frans Augusthinus Asmuruf
; Fitriyana, Deni Fajar
; Nizar Alamsyah
; Januar Parlaungan Siregar
; Al Ichlas Imran
; Tezara Cionita
; Natalino Fonseca Da Silva Guterres
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 4
(2025)
The present study highlights the effective utilization of waste fibers in structural composites for drone frame applications, offering a sustainable pathway for developing high-performance materials while simultaneously addressing the issue of textile waste pollution. This study investigates the effect of ramie and cotton fiber waste fabric stacking sequences on the physical and mechanical properties of composites for quadcopter drone frames. Waste fabric was selected as an eco-friendly material...
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Synthesis of Silica Gel From Rice Husk Ash for Sustainable Air Conditioning Requirements
Syahbardia
; Berkah Fajar Tamtomo Kiono
; Sonny Handojo Winoto
; Mohamad Said Kartono Tony Suryo
; Dedi Lazuardi
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 4
(2025)
An increase in air conditioning demand, driven by global warming and the need for comfort, highlights the importance of energy-efficient systems like desiccant cooling. This research explores using rice husk ash (RHA), an agricultural waste product from Indonesia, to synthesize silica gel for these systems. The study involved synthesizing silica gel from RHA through chemical processes and comparing its sorption capacity to commercial silica gel. Two synthesis methods were tested: a direct reacti...
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Mechanical Properties of Epoxy Composite Reinforced with Spent Coffee Ground and Coffee Husk
Etanto Heiliano Wijayanto
; Imran, Al Ichlas
; Siregar, Januar Parlaungan
; Mohd Ruzaimi Mat Rejab
; Tezara Cionita
; Wisnu Prayogo
; Deni Fajar Fitriyana
; Rozanna Dewi
; Thomas Junaedi
; Agustinus Purna Irawan
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 4
(2025)
This study aims to investigate the effect of increasing the concentration of natural filler on the mechanical properties of Spent Coffee Ground (SCG) / Coffee Husk (CH) reinforced epoxy matrix composite. The materials used in this study are epoxy resin as a matrix and waste coffee grounds and coffee husks as natural fillers with sizes of 100-mesh and concentrations of 10, 20, and 30 wt.%. The results showed that SCG 10 wt.% produced the best mechanical properties compared to the other samples ba...
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Systematic Review: The Role of Physical Activity on The Incidence of Dysmenorrhea in Adolescents Aged 12-18 Years
Bratakusumah, Shinta Putri
; Aqila, Fayyaza
; Wulandari, Chairunnisa Wahid
; Alvianty, Rizka Ayu
; Nurcandra, Fajaria
Jurnal Kesehatan
Vol 18
, No 2
(2025)
Pendahuluan: Sebanyak 54,89% remaja di Indonesia mengalami kejadian dismenore jenis primer, sedangkan 45,11% remaja mengalami kejadian dismenore dengan jenis sekunder. Dismenore mempengaruhi terbatasnya aktivitas yang dapat dilakukan oleh remaja putri. Tujuan dari penulisan artikel ini yaitu untuk meninjau seberapa besar pengaruh aktivitas fisik terhadap kejadian dismenore pada remaja. Metode: Dalam proses penelusuran artikel menggunakan beberapa sumber database online seperti Google Scholar, Sc...
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