Vol. 7 No. 2 (2021): December

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
  

  51-58

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  Abstract View: 715 PDF Download: 360

• 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
  

  59-65

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  Abstract View: 790 PDF Download: 350

• 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
  

  66-72

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  Abstract View: 562 PDF Download: 234

• 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
  

  73-78

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  Abstract View: 800 PDF Download: 362

• 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
  

  79-85

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  Abstract View: 525 Map of research location Download: 0

• 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
  

  86-91

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  Abstract View: 817 PDF Download: 816

• 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
  

  92-102

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  Abstract View: 870 PDF Download: 445