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All Journal Jurnal Rekayasa Mesin Journal of Applied Agricultural Science and Technology Warta LPM
Pradipta, Adi Surya
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Education Engineering Health Professions Mechanical Engineering Social Sciences

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Peningkatan Minat Baca Siswa Melalui Pekan Literasi dan Pembiasaan 15 Menit Membaca: Studi Kasus MI Mulyadarama Girimukti Prayoga, Reka Ardi; Budiarto, Hanif Azis; Afif, Muhammad Fadhlan; Pradipta, Adi Surya; Lestari, Adinda Sri
Warta LPM WARTA LPM, Vol. 26, No. 4, Oktober 2023
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/warta.v26i4.1870

Abstract

The School Literacy Movement (GLS) has been implemented since March 2016. However, its implementation is still not effective in West Java. This study aims to increase reading interest in MI Mulyadarma, Girimukti Village, Cipongkor District, West Bandung Regency. This school has limited internet access, book diversity, and school facilities, that are below the standards of an ideal school. Student’s interest in reading is increased in two ways. The first way is by encouraging 4th-6th grade elementary school students to read for 15 minutes before the class starts, for 3 weeks. The second way is by providing mini libraries in each classroom. Data collection was done using questionnaires. The questionnaire was given before and after the program, so that the achievement of the program could be evaluated. The result shows that the reading habit for 15 minutes before class and providing mini libraries in the classroom successfully increased students’ interest in reading significantly. Students who read books for more than 60 minutes per day increased by 33%. Student interest in reading increased by 64%, while their reading awareness increased slightly by 12.5%.
Acceleration of Organic Waste Decomposition: A Comparative Study of ASEM-7 Decomposer Efficiency on Several Organic Wastes Khalisha, Ana; Sari, Dwi Novanda; Sari, Stefina Liana; Sukmadewi, Rani; Pradipta, Adi Surya; Istyami, Astri Nur
Journal of Applied Agricultural Science and Technology Vol. 9 No. 2 (2025): Journal of Applied Agricultural Science and Technology
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/jaast.v9i2.394

Abstract

Effective organic waste decomposition is vital for sustainable waste management and agricultural productivity. This study investigates the efficacy of ASEM-7—a newly developed decomposer comprising a consortium of seven microorganisms—in accelerating the composting process and enhancing compost quality across various types of organic waste. Five treatment groups were evaluated: paddy straw; animal manure; fruit and vegetable waste; a mixture of fruit and vegetable waste with straw; and a combination of fruit, vegetable waste, straw, and manure. During the decomposition process, key physicochemical parameters— including pH, temperature, moisture content, organic carbon (C-organic), total nitrogen (N-total), and the carbon-to-nitrogen (C/N) ratio—were systematically monitored. The results demonstrated that ASEM-7 significantly enhanced composting efficiency compared to both EM-4 and control (no-decomposer) treatments, achieving optimal pH stabilization (7–8) at a faster rate. Additionally, ASEM-7 reduced moisture content and C/N ratios more effectively, indicating a higher degree of compost maturity. Compost treated with ASEM-7 also exhibited the lowest levels of organic carbon, reflecting superior decomposition efficiency. Although temperature levels remained below the threshold required for effective pathogen elimination, microbial activity successfully facilitated nutrient recycling. The microbial consortium—comprising Bacillus sp., Lactobacillus sp., and Trichoderma sp.—demonstrated high efficacy in degrading recalcitrant organic materials such as straw and manure, thereby improving the compost's nutrient composition. By meeting key compost quality standards—organic carbon (≥15%), total nitrogen (≥0.5%), and a C/N ratio of 15–25—ASEM-7 effectively converts organic waste into high-quality compost. These findings underscore the importance of tailored microbial consortia in advancing sustainable waste management practices and enhancing soil fertility.
Analisis Kekuatan dan Stabilitas Desain Kursi Bonceng Anak Sesuai Standar Keselamatan EN14344:2004 dengan Metode Elemen Hingga: Studi Kasus Motor Honda BeAT Series Pradipta, Adi Surya; Media, Riona Ihsan; Chrystiano, Laurensius; Susilo, Hendrawan Hadi; Lestari, Adinda Sri; Sari, Sylvie Indah Kartika
Jurnal Rekayasa Mesin Vol. 20 No. 1 (2025): Volume 20, Nomor 1, April 2025
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v20i1.6123

Abstract

Organisasi Kesehatan Dunia (WHO) melalui bukunya yang berjudul “Child Development and Motorcycle Safety (2015)” merekomendasikan kursi bonceng untuk sepeda motor yang aman sesuai tahap pertumbuhan anak. Dalam hal regulasi, Indonesia belum memiliki standar mengenai kursi bonceng anak yang aman sesuai rekomendasi WHO dan standar terkait. Sedangkan, penggunaan sepeda motor sebagai sarana transportasi bersama anak semakin umum di Indonesia. Penelitian ini bertujuan untuk menganalisis kekuatan rancangan kursi bonceng anak untuk sepeda motor matic Honda Beat series dengan mengacu pada standar EN14344:2004 tentang “Child seats for cycles-safety requirements and test methods”. Metode yang digunakan dalam menganalisis kekuatan adalah FEM (Finite Element Analysis). Analisis kekuatan dilakukan menggunakan perangkat lunak Computer Aided Engineering (CAE) pada Solidworks 2022, dengan hasil bahwa rancangan mampu menahan gaya sesuai dengan parameter keamanan yang ditentukan dalam standar EN14344:2004. Hasil ini menunjukkan bahwa rancangan kursi bonceng memiliki kekuatan dan stabilitas yang memadai untuk memastikan keselamatan anak selama berkendara.
Co-Authors Afif, Muhammad Fadhlan Budiarto, Hanif Azis Chrystiano, Laurensius Istyami, Astri Nur Khalisha, Ana Lestari, Adinda Sri Prayoga, Reka Ardi Riona Ihsan Media Sari, Dwi Novanda Sari, Stefina Liana Sari, Sylvie Indah Kartika Sukmadewi, Rani Susilo, Hendrawan Hadi