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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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Characteristics of Students in Physics Learning: Learning Motivation, Learning Styles, and Learning Experiences at Senior High School in Padang City
Ahzari, Serli
; Nabila, Putri
; Yulianda
; Desnita
; Usmeldi
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 2
(2025)
This research aims to analyze the characteristics of students in physics learning, focusing on learning motivation, learning styles, and learning experiences. The research employs a descriptive method with a questionnaire as the instrument, distributed to 54 high school student respondents in Padang City. The data is analyzed quantitatively based on the percentage score for each indicator. The results show that students' learning motivation falls into the good category (73%), the most dominant l...
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Development and Application of Physics Learning Video Based on Problem Based Learning with Canva Application to Improve Process Skills
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 2
(2025)
This study aims to develop and apply Problem Based Learning (PBL)-based instructional videos using the Canva application and to determine the extent of the improvement in students' process skills on the topic of quantities and measurements, as well as to understand students' responses to the physics instructional videos. The research method used was Research and Development (R&D) with the 4D model (Define, Design, Develop, Disseminate). The research subjects consisted of 33 tenth-grade stude...
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Implementation PBL Model Assisted by E-Module Based on Refutation Text to Overcome Student Misconceptions on Dynamic Electricity Topics
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 2
(2025)
This research was conducted with the aim of addressing students' misconceptions in dynamic electricity topics through the application of the Problem Based Learning (PBL) model assisted by an e-module based on refutation text. The research design uses an experimental method, in the form of a pre-experimental design and a one-group pretest-posttest design, as well as the cluster random sampling technique. This research was conducted at SMP Negeri 2 Pontianak, with a research sample consisting of 3...
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Enhancing Functional Foods with Plant Extracts: A Study on Gummy Candies Containing Sungkai Leaf Extract
Nurhasanah, Siti
; Muhaimin
; Pyopyash , Sverigenia Aprilia
; Zaida
; Pangawikan, Aldilla Din Pangawikan
Advance Sustainable Science, Engineering and Technology
Vol 7
, No 2
(2025)
Gummy candy is a popular food product, but it is generally high in calories and low in functional content. Sungkai leaves (Peronema canescens Jack) are known to contain antioxidant compounds that have the potential to be developed as functional food ingredients. To overcome the high calorie content of gummy candy, this study developed a low-calorie gummy candy formulation with the addition of encapsulated sungkai leaf extract and a low-calorie sweetener. This study aims to determine the optimal...
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Election Officers' Health and Safety: An Occupational Risk Analysis
Nurcahyanie, Yunia Dwie
; Panjaitan, Nismah
; Mulyana, Olievia Prabandini
; Yulianto , Muhammad Teguh
Advance Sustainable Science, Engineering and Technology
Vol 7
, No 2
(2025)
General elections are vital to democracy in Indonesia, yet the occupational health and safety (K3) of Voting Organizer Group (KPPS or election officers) officers is often overlooked. This study evaluates the impact of workload on the physiological health of election officers during the 2024 General Election using an ergonomics-based approach. Data were collected from seven KPPS members at TPS 07 Cerme Kidul, Gresik, East Java, measuring blood pressure and oxygen saturation before and after elect...
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REVOLUSI KESEHATAN DIGITAL MELALUI TEKNOLOGI BIG DATA DALAM APLIKASI MOBILE JKN: RAPID REVIEW
Siallagan, Amelia Dameyanti
; Diana, Haninan Salma
; Fitriya, Neng Inggri
; Nurhuda, Puspa Madya
; Oktaviany, Veny
; Luginasari, Yulia
; Sukaesih, Nunung Siti
Bhamada: Jurnal Ilmu dan Teknologi Kesehatan
Vol 16
, No 1
(2025)
Pendahuluan : Aplikasi Mobile JKN, yang diluncurkan oleh BPJS Kesehatan, adalah salah satu implementasi teknologi big data dalam sektor kesehatan, yang meningkatkan kualitas, efisiensi, dan aksesibilitas pelayanan kesehatan. Penelitian ini bertujuan untuk mengidentifikasi sistem pengelolaan data melalui dalam Aplikasi Mobile JKN sebagai implementasi teknologi big data. Metode : Desain studi dalam penelitian ini adalah rapid review dengan kriteria inklusi artikel yang diteliti dipublikasikan dari...
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POTENSI KECAMBAH SEBAGAI ANTIOKSIDAN DALAM BODY LOTION MENGGUNAKAN METODE DPPH
Bhamada: Jurnal Ilmu dan Teknologi Kesehatan
Vol 16
, No 1
(2025)
Produk perawatan kulit yang mengandung senyawa antioksidan sangat dibutuhkan untuk menangkal radikal bebas. Salah satu tanaman yang mengandung aktivitas antioksidan adalah kecambah kacang hijau (Vigna radiata (L.) R. Wilczek) atau tauge. Tujuan dari penelitian ini untuk memperoleh sediaan body lotion yang memiliki aktivitas antioksidan. Uji aktivitas antioksidan dilakukan dengan metode DPPH (1,1-diphenyl-2-picrylhidrazil) dengan spektrofotometri UV-Vis. Penelitian yang dilakukan merupakan jenis...
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Ergonomic Gymnastics Education in an Effort to Improve the Functional Abilities of the Elderly
Indonesian Journal of Empowerment and Community Service
Vol 6
, No 1
(2025)
ABSTRACT
Health is often neglected by the elderly. Lack of physical activity causes a decline in health quality of elderly. The same thing is also experienced by the elderly at Posyandu Lansia Desa Gentan. Another problem is the low of health awareness and education about the importance of Ergonomic Gymnastics for elderly. So, the PkM team initiate to provide Ergonomic Gymnastic education for the elderly at Posyandu Lansia Desa Gentan. This exercise applies ergonomic movements to correct the pos...
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Studi Empiris Aplikasi Sistem Informasi Akuntansi (SIA), Literasi Keuangan dan Praktek Akuntansi Manajemen terhadap Kinerja Bisnis UMKM Kota Semarang
JURNAL EKONOMI MANAJEMEN AKUNTANSI
Vol 31
, No 1
(2025)
Micro, Small, and Medium Enterprises (MSMEs) are an essential component of Indonesia's economic framework. MSMEs need to improve their business performance stability to maintain economic stability. This research aims to determine the influence of accounting information systems, financial literacy, and management accounting practices on MSME business performance in the city of Semarang. The population of this research is 187 MSMEs, with a sample of 100 MSMEs that have more than 5 employees (purpo...
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