Journal Of Natural Sciences And Mathematics Research

Journal of Natural Sciences and Mathematics Research, an international journal, provides a forum for publishing the original research articles, review articles from contributors, and the novel technology news related to natural sciences and mathematics research.

Scientific articles dealing with fundamental sciences, material sciences, mathematics, materials characterization, etc. are particularly welcome. The journal encompasses research articles, original research report, reviews, short communications and scientific commentaries in fundamental sciences and mathematics including: fundamental sciences, fundamental physics, fundamental chemistry, fundamental biology, mathematics, applied sciences, applied physics, applied chemistry,applied biology, applied mathematics and materials characterization.

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Vol 7, No 2 (2021): Volume 7, Nomor 2, 2021

Published: 2022-04-16

Original Research Articles

Design and build a mechanical energy conservation law KIT with Arduino microcontroller Adina Widi Astuti* - Universitas Negeri Semarang, Indonesia Zayyinul Mushthofa - Universitas Negeri Semarang, Indonesia Sulhadi Sulhadi - Universitas Negeri Semarang, Indonesia Abstract: 34 Times PDF: 10 Times DOI: 10.21580/jnsmr.2021.7.2.8639	PDF 51-58
Analysis of chest X-Ray (CXR) images in COVID-19 patients based on age using the Otsu thresholding segmentation method Uhty Maesyaroh - Universitas Islam Negeri Walisongo Semarang, Indonesia Laelatul Munawaroh - Universitas Islam Negeri Walisongo Semarang, Indonesia Heni Sumarti* - Universitas Islam Negeri Walisongo Semarang, Indonesia Rico Adrial - Universitas Andalas, Indonesia Abstract: 29 Times PDF: 44 Times DOI: 10.21580/jnsmr.2021.7.2.10891	PDF 59-65
Minimization of time distribution of ballots with Greedy algorithms in Jombang Regency Erina Seviyanti Dewi* - Universitas Negeri Surabaya, Indonesia Latifah Asmaul Fauzia - Universitas Negeri Surabaya, Indonesia Abstract: 21 Times PDF: 3 Times DOI: 10.21580/jnsmr.2021.7.1.3687	PDF 66-72
Analyzing causes of the death of Ferns (Pteridophyta) in the Padang Savana, Taman Nasional Bromo Tengger Semeru (TN-BTS) Eko Purnomo* - Universitas Islam Negeri Walisongo Semarang, Indonesia Nilana Izzati - Universitas Islam Negeri Walisongo Semarang, Indonesia Robbi Mauizzatul Hikmah - Universitas Islam Negeri Walisongo Semarang, Indonesia Diyana Sabila Rusydina - Universitas Islam Negeri Walisongo Semarang, Indonesia Lathifah Nurul Fauzi - Universitas Islam Negeri Walisongo Semarang, Indonesia Ibnu Sina Rafiq Romawan - Universitas Islam Negeri Walisongo Semarang, Indonesia Abstract: 35 Times PDF: 21 Times DOI: 10.21580/jnsmr.2021.7.2.11074	PDF 73-78
The application of Seismic Coefficients in simple earthquake-resistant houses Sutrisno Sutrisno* - Universitas Islam Negeri Syarif Hidayatullah Jakarta, Indonesia Agus Budiono - Universitas Islam Negeri Syarif Hidayatullah Jakarta, Indonesia Abstract: 24 Times PDF: 11 Times DOI: 10.21580/jnsmr.2021.7.2.11271	PDF 79-85
Parasitic Protozoa found in the skin, gills, and intestines of Patin Catfish (Pangasius hypophthalmus) and Common Carp (Cyprinus carpio) Veenu Kumar - Institut Pertanian Bogor, Indonesia Arifin Budiman Nugraha* - Institut Pertanian Bogor, Indonesia Umi Cahyaningsih - Institut Pertanian Bogor, Indonesia Tara Puri Ducha Rahmani - Universitas Islam Negeri Walisongo Semarang, Indonesia Abstract: 21 Times PDF: 18 Times DOI: 10.21580/jnsmr.2021.7.2.11493	PDF 86-91
Shrimp cracker industrial wastewater treatment with aerobic biological properties utilizing modified Contact-Stabilization method Sintha Soraya Santi* - Universitas Pembangunan Nasional Veteran Jawa Timur, Indonesia Kindriari Nurma Wahyusi - Universitas Pembangunan Nasional Veteran Jawa Timur, Indonesia Ketut Sumada - Universitas Pembangunan Nasional Veteran Jawa Timur, Indonesia Srie Muljani - Universitas Pembangunan Nasional Veteran Jawa Timur, Indonesia Abstract: 58 Times PDF: 19 Times DOI: 10.21580/jnsmr.2021.7.2.11284	PDF 92-102