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PENGARUH KONSENTRASI KATALIS KOH, MgO DAN CaO PADA PEMBUATAN BIODIESEL DENGAN PROSES TRANSESTERIFIKASI
Jurnal Inovasi Teknik Kimia
Vol 10
, No 2
(2025)
Biodiesel dapat didefinisikan sebagai ester monoalkil yang dapat dihasilkan dari bahan alami yang terbarukan seperti minyak nabati dan hewani. Bahan bakar ini berpotensi untuk digunakan sebagai bahan bakar alternatif pengganti solar karena sifatnya yang mirip. Selain itu, biodiesel yang berasal dari minyak nabati merupakan bahan bakar terbarukan (renewable), mudah ditangani, tidak menghasilkan polutan berbahaya bagi lingkungan (tidak beracun), mudah terurai secara alami, emisi berbahaya dari pem...
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PENGARUH PENAMBAHAN KATALIS CaO DAN CaO TERIMPREGNASI KOH BERBASIS CANGKANG TELUR TERHADAP HASIL SINTESIS BIODIESEL DARI MINYAK JARAK, MINYAK KELAPA DAN MINYAK KELAPA SAWIT
Muarif , Agam
; Mulyawan , Rizka
; Nurlaila, Rizka
; Fikri, Ahmad
; Armita Sandi, Nazlia
; Cinta Buana Nasution, Vinkhan
; Syahrani, Irma
Jurnal Inovasi Teknik Kimia
Vol 10
, No 2
(2025)
Biodiesel merupakan bahan bakar alternatif yang sifatnya renewable energy dan ramah lingkungan yang dapat disintesis dari beberapa jenis minyak seperti minyak jarak, minyak kelapa, minyak kelapa sawit dan sebagainya. Hal ini didukung oleh kandungan senyawa yang terdapat dalam ketiga jenis minyak tersebut disertai dengan bahan baku yang mudah didapatkan dan dibudidayakan di Indonesia. Proses pembuatan biodiesel dari minyak melalui reaksi esterifikasi dan transesterifikasi dengan menggunakan bantu...
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PENINGKATAN KUALITAS BATUBARA LOW RANK MENGGUNAKAN CAMPURAN MINYAK JELANTAH DAN MINYAK PELUMAS BEKAS MELALUI PROSES UPGRADING BROWN COAL (UBC)
Jurnal Inovasi Teknik Kimia
Vol 10
, No 2
(2025)
Pada saat ini banyak sekali teknologi yang sedang gencar dikembangkan untuk meningkatkan nilai jual dari berbagai macam produk salah satunya teknologi upgrading brown coal yang mana teknologi ini berfungsi untuk menurunkan kandungan air atau moisture dalam batubara sehingga nilai kalori batubara akan meningkat. Pada penelitian ini penurunan kadar air yang berada didalam pori-pori batubara dilakukan dengan pemanasan. Proses pemanasan nantinya akan mengosongkan pori-pori batubara dari kandun...
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Evaluating Compressed Sensing Matrix Techniques: A Comparative Study of PCA and Conventional Methods
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 2
(2025)
This research examines the performance of various compressed sensing matrix techniques, with a focus on Principal Component Analysis (PCA) compared to conventional methods. By applying these techniques to a range of high-dimensional datasets, we assess their effectiveness in reducing data dimensionality while preserving essential information. Our results demonstrate that PCA consistently outperforms traditional methods in terms of both accuracy and computational efficiency. These findings have s...
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1 Sitasi
Teaching at The Right Level Approach with the Problem Based Learning Model Effect on Physics Problem Solving Ability
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 2
(2025)
Physics lessons are among the most interesting because they relate to actual events. Physics learning requires an independent learning process that equips students with problem-solving skills. This study examines how the Problem-based Learning (PBL) model and the Teaching at the Right Level (TaRL) strategy affect the resolution of physics issues involving momentum and impulse topics. There are 375 grade XI students participating in a quasi-experiment with a non-equivalent control group design. T...
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1 Sitasi
Adaptive Learning Systems for Data Conversion in EHRs through Machine Learning
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 2
(2025)
Healthcare data management has advanced with Electronic Health Records (EHRs), enhancing the efficiency of medical procedures. Machine learning applied to EHRs transitions healthcare from reactive to proactive, supporting the cost-efficiency and sustainability goals of smart cities. However, digitizing medical records introduces security risks, especially from internal threats, necessitating strong detection systems. Research into machine learning techniques, such as decision trees, random fores...
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Design of Smart Door Lock as A Teaching Aid for Magnetic Field Material in High School
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 2
(2025)
This research aims to 1) produce a product in the form of a smart door lock teaching aid based on the RFID RC522 sensor and Arduino Uno as a teaching aid for magnetic field material in high school, 2) determine the suitability of the teaching aid that has been created and developed, and 3) to determine students’ responses to props developed. This type of research is research and development (Research and Development, R&D), by applying the ADDIE development model, namely Analysis, Design, Dev...
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A Novel Classification Framework Using Transformer-Based Encoding and Low-Rank Tensor Fusion for Enhanced Classification and Efficiency
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 2
(2025)
This paper proposes a transformer-based framework for sentiment analysis, designed to improve both accuracy and computational efficiency across diverse datasets. The model incorporates a low-rank tensor fusion mechanism to reduce computational complexity, optimizing the transformer encoder’s performance. Through an extensive evaluation on three benchmark datasets—Airlines, CrowdFlower, and Apple—our approach demonstrates superior performance in sentiment classification tasks, achieving accuracy...
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1 Sitasi
Molecular Identification of Color Variants of Procambarus clarkii Using the COI Gene for Taxonomic Validation
Bhagawati, Dian
; Husein Sastranegara, Muhammad
; Agus Nuryanto
; Anastasia Endang Pulungsari
; Elly Tuti Winarni
; Atang
; Hanan Hassan Alsheikh Mahmoud
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 2
(2025)
This study addresses taxonomic uncertainty surrounding color variants of Procambarus clarkii in aquaculture and conservation contexts. We investigated whether commercially significant color morphs represent distinct subspecies or phenotypic variations of a single species. Using the cytochrome c oxidase subunit I (COI) gene as a molecular marker, we analyzed four color morphs (blue, white, orange, and brown) from aquaculture facilities in Banyumas Regency. DNA extraction, PCR amplification, and s...
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The Effectiveness of Using Smartphone-Based Phyphox in Field Practice Tilt to Improve Students' Creative Thinking Skills
Rusdin, Muhammad Epi
; Prasetyo, Erwin
; Anwar, Zaina
; Pujianti Bejahida Donuata
; Nurfadilah
; Farizi, Zakaria Al
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 2
(2025)
The use of technology is a solution to overcome problems in physics learning. This study aims to determine the effectiveness of using Smartphone-based Phyphox in improving students' creative thinking skills. The design used in this research is a nonequivalent pre-test and post-test control group design. This study used a purposive sampling technique to get two groups. The statistical analysis used was independent sample t-test. The results of the analysis showed that there was an effect of using...
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