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ANALISA PENGUJIAN KADAR NITRAT, NITRIT DAN KLORIDA PADA AIR MINERAL DENGAN METODE SPEKTROFOTOMETRI UV – VIS DAN TITRIMETRI
Jurnal Inovasi Teknik Kimia
Vol 10
, No 4
(2025)
Udara merupakan kebutuhan esensial bagi kehidupan manusia, Kualitas air minum menjadi perhatian utama dalam upaya menjaga kesehatan masyarakat. Keberadaan senyawa nitrat (NO₃⁻), nitrit (NO₂⁻), dan klorida (Cl⁻) dalam air mineral perlu dikaji mengingat potensi toksisitasnya apabila melebihi ambang batas yang ditetapkan oleh standar nasional. Penelitian ini bertujuan untuk menentukan kadar nitrat, nitrit, dan klorida dalam beberapa sampel air mineral menggunakan metode spektrofotometri UV–Vis dan...
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KONTRIBUSI AIR LIMBAH PENGOLAHAN SAGU TERHADAP KUALITAS AIR SUNGAI
Jurnal Inovasi Teknik Kimia
Vol 10
, No 4
(2025)
Ekstraksi pati sagu membutuhkan air dalam jumlah yang banyak sehingga dalam proses pengolahannya dihasilkan air limbah sagu dan ampas sagu yang sangat banyak. Studi ini dilakukan untuk mengetahui kontribusi bahan pencemar dari air limbah sagu yang masuk ke sungai sehingga mempengaruhi kualitas air sungai. Air limbah pengolahan sagu yang digunakan adalah air buangan pertama yang diambil langsung dari saluran pembuangan (T1), air buangan terakhir yang diambil dekat dengan pembuangan ke...
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Unveiling the Link Between Numeracy Skills and Self-Efficacy: A Study on Physics Learning Through AKM Assessments
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 4
(2025)
This study explores the relationship between numeracy skills and self-efficacy among grade 10 students within the context of the Minimum Competency Assessment (AKM) in physics, focusing on linear and parabolic motion. Employing a quantitative descriptive design, the research involved 140 students from a public high school in Bekasi, Indonesia. Instruments included a numeracy test comprising 17 AKM-based physics questions and a self-efficacy questionnaire adapted from Bandura's framework, coverin...
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ANALISIS KESALAHAN NUMERASI SISWA SMA DALAM MENYELESAIKAN SOAL MATEMATIKA BERBASIS AKM BERDASAKAN METODE NEWMAN
JIPMat (Jurnal Ilmiah Pendidikan Matematika)
Vol 10
, No 2
(2025)
Tujuan penelitian ini adalah untuk memeriksa kesalahan numerasi siswa SMA dalam soal matematika berbasis Asesmen Kompetensi Minimum (AKM) dengan menggunakan metode Newman. Metode ini mengidentifikasi kesalahan siswa dalam lima langkah: membaca, memahami, transformasi, keterampilan proses, dan penulisan jawaban. Siswa di kelas XII SMA Negeri 1 Kajen, yang dipilih berdasarkan hasil tes numerasi AKM, adalah subjek penelitian. Hasil penelitian menunjukkan bahwa kesalahan terbesar terjadi pada tahap...
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Development of E-Worksheets Discovery Learning Model Assisted by Augmented Reality for Renewable Energy Topic
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 4
(2025)
The poor motivation and interest of students in learning physics which is frequently viewed as challenging and less interesting led to the conduct of this study. As a result, creating cutting-edge educational materials that may facilitate interactive learning and foster a deeper conceptual grasp is essential. Building an Electronic Student Worksheet on the subject of renewable energy using the Discovery Learning methodology enhanced by Augmented Reality is the aim of this study. The research and...
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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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Development of A Multidimensional Assessment Instrument on the Topic of Torque
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 4
(2025)
This research focuses on the development of a multidimensional assessment instrument aimed at evaluating high school students’ learning outcomes in the topic of torque within physics education. The instrument integrates cognitive, affective, and psychomotor domains through a combination of multiple-choice questions for conceptual understanding and Likert-scale questionnaires for assessing students’ interest and communication skills. The development process followed a systematic model consisting...
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Design of Wideband SPDT RF Switch Using Switchable DGS for Sustainable Wireless Systems
Othman, Adib
; Shairi, Noor Azwan
; A Majid, Huda
; Saparudin, Faiz Asraf
; Zakaria, Zahriladha
; Najib Al-Fadhali
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 4
(2025)
This paper presents a single-pole double-throw (SPDT) switch that is integrated with a thin rectangular patch switchable defected ground structure (DGS). It is a novel technology for obtaining wideband and high isolation for the SPDT switch in millimeter-wave (mm-wave) telecommunications due to the usage of switchable DGS with bandstop and bandwidth enhancement capabilities. A wideband and high isolation are required for the switchable DGS SPDT switch to operate optimally in mm-wave frequency ra...
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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 (ASSET)
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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ANALISIS YURIDIS PERJANJIAN JUAL BELI PERUMAHAN DENGAN METODE DOWN PAYMENT
DINAMIKA HUKUM
Vol 26
, No 2
(2025)
Cases of non-performance of contract. on the part of the aggrieved party bring the case to the criminal realm. The charge reported is the fraud article, even though the criminal offense has not been fulfilled. So that it has the potential to cause wrong criminalization, the main problem is the inaccurate use of the fraud article against defaults which are basically civil. The research method uses normative juridical with decision analysis and criminal and civil law studies related to non-perform...
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