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Menampilkan 21–30 dari 213 artikel
Perbandingan Apache Airflow dan Apache Spark dalam Proses ETL untuk Memprediksi DropOut dan Keberhasilan Akademik Mahasiswa
Jurnal Informatika dan Rekayasa Perangkat Lunak
Vol 7
, No 2
(2025)
Dropout prediction in higher education is important because it impacts the academic success of students and the overall effectiveness of educational institutions. This research aims to build an automated ETL pipeline using Apache Airflow and Apache Spark to process academic data and predict student graduation status. The dataset used consists of 4,424 samples with 36 features covering demographic, academic, and socio-economic attributes. The data is processed through the stages of extraction, tr...
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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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Pembentukan UMKM Varisko sebagai Pemberdayaan dan Solusi Ekonomi Masyarakat Cumedak Jember
Jurnal Pengabdian Kepada Masyarakat
Vol 2
, No 2
(2025)
Varisko micro business as an empowerment effort and economic solution for the community of Cumedak Village, Jember. Cumedak Village faces significant economic challenges, marked by an unemployment rate of 12% and poverty rate of 18%, as well as the majority of the population's dependence on the agricultural sector with unstable incomes. This study aims to analyze and develop the formation of Micro, Small, and Medium Enterprises (UMKM). The study employs a descriptive qualitative approach with a...
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Mechanical Performance of Epoxy Composite Reinforced with Wood Dust and Crumb Rubber Waste
Imran, Al Ichlas
; Siregar, Januar Parlaungan
; Cionita, Tezara
; Fitriyana, Deni Fajar
; Anis, Samsudin
; Dewi, Rozanna
; Junaedi, Thomas
; Wijayanto, Etanto Heiliano
; Prayogo, Wisnu
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 4
(2025)
The incorporation of wood dust and crumb rubber waste as filler in polymer matrix composite still requires in-depth evaluation of mechanical properties because they have different characteristics. This study evaluates the tensile, flexural, and hardness properties of epoxy composites reinforced with various fractions of wood dust and crumb rubber (5, 10, and 15%). The results showed that the composite with 5% crumb rubber produced the highest tensile strength of 15.52 MPa (CR5), while the highes...
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Human Resources Forum 2023 sebagai Katalis Kerja Sama Ketenagakerjaan Indonesia–Jepang
Sosio Dialektika : Jurnal Ilmu Sosial Humaniora
Vol 10
, No 1
(2025)
Pada tahun 2023 Indonesia menjalin hubungan kerjasama dengan jepang melalui Human Resources Forum (HRF). HRF merupakan sebuah forum kerja sama dalam bidang ketenagakerjaan yang diselenggarakan bersama oleh Japan International Cooperation Agency (JICA) dan Kementerian Tenaga Kerja Indonesia. Penelitian ini bertujuan untuk mengetahui faktor pendorong Indonesia menjalin kerja sama ketenagakerjaan dengan Jepang melalui HRF. Penelitian menggunakan metode penelitian kualitatif dan teori complex interd...
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Improving Teachers First Aid Skills for Managing School Injuries: A Quasi-Experimental Study in an Indonesian Elementary School
Gaster
Vol 23
, No 2
(2025)
Background Injuries frequently occur within school environments, ranking as the second most common location for injury incidents due to unsafe conditions and limited first aid preparedness. Children aged 5–14 years exhibit a high prevalence of injuries, reaching 13% in school-related incidents. Teachers, as front-line responders, must possess adequate first aid knowledge and skills to manage common injuries—such as falls, bruises, nosebleeds, fainting, and seizures—before professional medical ca...
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Mechanical Performance of Alkali-Treated Rattan Strips with Epoxy Coating for Sustainable Composite Applications
Kalatharan, Sujentheran Nair
; Imran, Al Ichlas
; Irawan, Agustinus Purna
; Siregar, Januar Parlaungan
; Cionita, Tezara
; Fitriyana, Deni Fajar
; Anis, Samsudin
; Dewi, Rozanna
; Setyoadi, Yuris
; Wisnu Prayogo
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 3
(2025)
The use of natural materials like rattan in eco-friendly composites is gaining attention in materials engineering. However, its hydrophilic nature and interaction with other materials can affect mechanical strength. This study investigates how variations in rattan size and alkali treatment influence the tensile properties of single rattan strips through an epoxy dipping process. Rattan was prepared with varying lengths (5–15 cm), widths (3–8 mm), and a consistent thickness (0.5 mm). Alkali treat...
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Biosorption of Chromiun in Batik Wastewater Using SCOBY Microbial Biomass: A Sustainable Bioremediation Approach
Nur Lu’lu Fitriyani
; Dina Adelia
; Slamet Budiyanto
; Ristiawati
; Jaya Maulana
; Muhammad Choiroel Anwar
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 3
(2025)
Batik wastewater poses an environmental threat due to hazardous heavy metals like lead, cadmium, and chromium (Cr). This study investigated the effectiveness of SCOBY (Symbiotic Culture of Bacteria and Yeast), a microbial consortium from kombucha production, in reducing Cr levels in batik wastewater. SCOBY is a promising biosorbent for heavy metals. The research aimed to assess SCOBY's ability to decrease Cr contamination in different types of batik wastewater (hand-drawn, stamped, and printed)...
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Pectin Extraction from Various Sources: A Literature Review
Bioeksperimen: Jurnal Penelitian Biologi
Vol 11
, No 1
(2025)
Plant cell walls include a complex polymer called pectin, which combines methoxyl with galacturonic acid to produce a gel. Applications for pectin are found in both the food and non-food industries. It is utilized as an edible coating, gel-forming, texture enhancer, stability enhancer, and appearance enhancer in the food industry. Pectin can be combined with other ingredients to make non-food products. For example, pectin, chitosan, carboxymethyl cellulose (CMC), and alginate can be used to make...
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PENDAMPINGAN PENGELOLAAN USAHA UMKM “OMAH CHIRENG SALATIGA”
Kusuma, Risalah
; Yuliyanti, Yuke
; Suci, Indah
; Dwiyana, Nita
; Kiki, Alya
; Fitriyani, Eka
; Rumambo, Elmayana
; Haongap, Ully
; Puspita, Maria Entina
; Puspita, Maria Entina
Perwira Journal of Community Development
Vol 5
, No 2
(2025)
Kegiatan pengabdian ini bertujuan untuk memberikan pendampingan pengelolaan usaha pada salah satu usaha kecil industri rumahan singkong dan tepung tapioka “Omah Chireng Salatiga” yang berlokasi di Kauman Sidorejo Salatiga. Pemberdayaan usaha meliputi pemberdayaan manajemen produksi, pemasaran serta pengelolaan keuangan usaha dengan memberikan pemahaman praktik produksi mulai dari proses produksi, labeling kemasan hingga pengenalan produk, promosi dan saluran distribusi, pencatatan sederhana dala...
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