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Studi Eksperimental Unjuk Kerja AC Split Menggunakan R22, Propana 99,5% dan Propana 95,5%
Majalah Ilmiah Momentum
Vol 21
, No 1
(2025)
Penelitian ini bertujuan untuk mengevaluasi dan membandingkan unjuk kerja sistem pendingin udara (AC split) yang menggunakan tiga jenis refrigeran berbeda, yaitu R22 (refrigeran konvensional), propana dengan kemurnian 99,5%, dan propana dengan kemurnian 95,5%. Studi ini dilakukan secara eksperimental dengan menggunakan sistem AC split kapasitas 1 PK dalam kondisi operasi standar. Parameter utama yang dianalisis meliputi tekanan kerja, temperatur kondensor dan evaporator, daya listrik yang dikons...
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Comparison of Students Science Process Skills on Measurement Material Based on Gender
Radiasi: Jurnal Berkala Pendidikan Fisika
Vol 18
, No 1
(2025)
This study is a survey study conducted because of the different tendencies between male and female students. In addition, there has been no study that specifically examines each SPS indicator of male and female students with the aim of showing weaknesses and strengths between them based on the SPS indicators. Based on this statement, this study aims to describe and compare the profiles of basic science process skills of male and female students. This study uses tests as instruments and quota sam...
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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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Evaluating Compressed Sensing Matrix Techniques: A Comparative Study of PCA and Conventional Methods
Advance Sustainable Science, Engineering and Technology
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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Project Based Learning Assisted by E-Worksheet Effect on Creative Thinking Ability on Renewable Energy Topic
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 2
(2025)
The study aims to determine the effect of physics learning using the Project Based Learning (PjBL) model assisted by E-LKPD based on Live Worksheet on the creative thinking ability of grade X students and how much influence physics learning with project-based learning model assisted by E-LKPD based on live worksheet on the creative thinking ability of grade X students. The research was conducted with a quasi-experiment design involving experimental and control classes. The results showed the ave...
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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
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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Remediation of Student Errors in Solving Work and Energy Problems Using the Fast Feedback Method
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 2
(2025)
The study aims to determine the effectiveness of the fast feedback method based on problem-solving according to Polya in remediating student errors in solving work and energy problems at SMP Negeri 4 Dedai. This study is in the form of a pre-experimental study with a one-group pre-test post-test design. The sample of this study consisted of 22 students from class VIII B, which was the experimental class. The data collection tool was a 5-item essay test validated (validity level of 3.6 in the mod...
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PELATIHAN PENINGKATAN KEAHLIHAN DESAIN GRAFIS UNTUK MENUNJANG SARANA KOMUNIKASI PADA YAYASAN MASJID AL-FATTAH SEMARANG
prabowo, dwi puji
; Bastian , Henry
; Hasyim, Noor
; Muqoddas, Ali
; Rifan, Arif
; Mustagfirin, Mustagfirin
; Adji, Nugroho
Jurnal Pengabdian Masyarakat Unwahas
Vol 10
, No 1
(2025)
Masjid merupakan lembaga pendidikan pertama di dunia Islam dan merupakancommunity center umat Islam. Yayasan Masjid Al Fattah merupakan lembaga yangmenjadi panitia pembangunan masjid Al Fattah. Masjid Al Fattah saat ini kesulitandalam membuat media komunikasi dan administrasi untuk kegiatan masjid, Sepertihal kegiatan hari-hari besar islam, membuat konten media promosi kegiatan masjid,dan lain sebagainya. Hal tersebut tentu saja karena kurangnya pengalaman takmirdan yayasan masjid terhadap desai...
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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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