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Menampilkan 201–210 dari 2096 artikel
HUMIC ACID FILTRATION EFFICIENCY OF POLYPROPYLENE-BASED ULTRAFILTRATION MEMBRANES
Jurnal Inovasi Teknik Kimia
Vol 10
, No 4
(2025)
Polypropylene (PP) membranes exhibit advantageous characteristics for filtration processes, including chemical resistance, thermal stability, hydrophobicity, low cost, and mechanical durability, making them well-suited for long-term applications in water treatment, particularly for removing organic compounds. This study aims to evaluate the performance of hollow fiber PP membranes in the ultrafiltration of humic acid solutions, serving as a model organic contaminant. The experimental setup invol...
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STUDI EKSPERIMEN PENGARUH JENIS DAN ARAH PENEMPATAN SERAT MATERIAL KOMPOSIT BERMATRIKS UNSATURATED POLYMER RESIN (UPR) TERHADAP NILAI IMPAK DAN SIFAT FISIK
Jurnal Inovasi Teknik Kimia
Vol 10
, No 4
(2025)
Biokomposit merupakan salah satu upaya untuk isu global lingkungan saat ini, dimana jenis material ini berasal dari bahan dasar organik dan lebih mudah terurai saat menjadi limbah. Penelitian ini berfokus pada pembuatan biokomposit dengan serabut kelapa dan daun nanas sebagai penguat dan Unsaturated Polymer Resin (UPR) sebagai matriks. Biokomposit dibuat menjadi dua spesimen dengan perbedaan fraksi volume yakni 10% serat + 90% matriks dan 15% serat + 85% matriks dengan 2 jenis arah penempatan ya...
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SYNERGISTIC INTERFACIAL CHEMISTRY OF HUMIC ACID AND ACTIVATED FLY ASH FOR HIGH-PERFORMANCE Mn²⁺ ADSORPTION
Susparini, Ninik Triayu
; Ramadhan, Alamsyah Sultan
; Aferta, Lusi
; Benu, Marlon Jusak Renaldy
; Wijayanti, Sri
; Tantowi, Ali
Jurnal Inovasi Teknik Kimia
Vol 11
, No 1
(2025)
This study developed a hybrid adsorbent derived from activated fly ash (FA) and humic acid (HA) for effective Mn²⁺ removal from aqueous solutions. Fly ash was activated using 1 M NaOH to increase its surface hydroxyl groups (≡Si–OH and ≡Al–OH) and enhance reactivity. The activated FA was then composited with HA, which contains abundant –COOH and –OH groups, forming an inorganic–organic hybrid with improved adsorption capability. The HA–FA composite with a 1:3 mass ratio exhibited the highest Mn²...
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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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Hybrid Deep and Machine Learning Framework for Cloud and Shadow Segmentation in Landsat-8 Imagery
Advance Sustainable Science, Engineering and Technology
Vol 7
, No 4
(2025)
Cloud and shadow interference in satellite imagery reduces the quality and reliability of remote sensing data. The traditional method would face issue to predict data near the shadow and cloud. To address this challenge, this study is focus improve the accuracy the area near shadow and cloud detection in Landsat-8 imagery. The implementation of hybrid module using standard CNN and U-Net CNN and a machine learning model using K-Nearest Neighbors (KNN) on SPARCS and CCA18 Landsat 8 dataset. A hybr...
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Pengaruh Etos Kerja, Motivasi Intrinsik, Dan Kepuasan Kerja Terhadap Kinerja Karyawan
EBISNIS : JURNAL ILMIAH EKONOMI DAN BISNIS
Vol 18
, No 2
(2025)
Penelitian ini bertujuan untuk menganalisis pengaruh etos kerja, motivasi intrinsik, dan kepuasan kerja terhadap kinerja karyawan di perusahaan-perusahaan yang beroperasi di Kota Cirebon. Kinerja karyawan menjadi salah satu indikator penting dalam menjamin keberlangsungan dan daya saing perusahaan. Namun, ketidaksesuaian antara potensi sumber daya manusia dan hasil aktual di lapangan masih sering terjadi, ditandai dengan rendahnya produktivitas, tingginya turnover, serta loyalitas karyawan yang...
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Product Design Training with Solidworks in the Effort of Student Independence at SMK 5 Surakarta
Indonesian Journal of Empowerment and Community Service
Vol 6
, No 2
(2025)
Surakarta 5 Vocational High School was an educational institution committed to improving students' digital skills and adapting to technological developments. In response to the needs and problems faced, this community service activity aims to organize product design training using SolidWorks software for students. This activity was expected to equip students with digital skills that were relevant to the industrial world, while fostering an entrepreneurial spirit. The training method includes del...
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Strengthening Literacy of ABACAGA Method at PNF PKBM KRI Embassy Malaysia
Sholiha, Faridatus
; Aini, Faradila
; Mahsun, Mohamad
; Idris, Haidar
; Bakhri, Saiful
; Arifin, Zainul
; Muttaqin, Ahmad Ihwanul
; Ulumudin, Ihya’
; Masyhuri, Muhammad
; Arifin, Syamsul
; Sidiq, Muhammad Abdul Halim
Indonesian Journal of Empowerment and Community Service
Vol 6
, No 2
(2025)
ABSTRACT
Some Indonesian students aged 10–12 at the Indonesian Embassy in Malaysia's PNF Learning Center (PKBM PNF) still demonstrate low basic literacy skills. This condition is related to family backgrounds that do not have clear legal status due to unregistered marriages and the lack of valid citizenship documents. In addition, parental involvement in accompanying children's learning process at home is relatively low due to the demands of full-time work. This study aims to accompany and impro...
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Literacy Assistance and Teaching of Short Surah of the Qur'an for Migrant Children at PKBM PNF Malaysia
wijayanti, berly
; Afidah, Layyinatul
; Saifuddin Azzudy, Muhammad
; Amanda Dewi, Reni
; Dian Pramuja, Alvin
; A'yun, Qurroti
; Idris, Haidar
; Ishari, Nurhafid
; Darwis, Mohammad
; Nadiyatul Firdausi, Putri
; Zahroh, Aminatuz
; Farid, Ahmad
Indonesian Journal of Empowerment and Community Service
Vol 6
, No 2
(2025)
ABSTRAK
Rendahnya literasi dasar dan kemampuan keagamaan anak-anak migran yang belum mendapatkan akses pendidikan formal maupun agama secara memadai, menjadi poin yang sangat utama terutama dalam sektor pendidikan. Kurangnya pemahaman agama, menjadikan anak-anak migran tidak dapat membaca bahkan menghafalkan surah pendek yang ada di Al-Qur’an. Penelitian ini bertujuan untuk mendeskripsikan proses pendampingan baca tulis dan pengajaran surah pendek Al-Qur’an kepada anak-anak migran PKBM PNF...
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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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