Vol. 14 No. 2 (2022): September 2022

Research Article

• Comparison of Deformation Vectors Due to Earthquake in Subduction Zone and Sumatran Fault for Each Phase of Earthquake Cycle

  Fadilla Monica (Universitas Andalas, Indonesia)
  Vira Friska (Universitas Andalas, Indonesia)
  Deasy Arisa (National Research and Innovation Agency, Indonesia)
  Marzuki Marzuki (Universitas Andalas, Indonesia)

  73-85

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  DOI : 10.25077/jif.14.2.73-85.2022

  Abstract View : 773

  PDF downloads: 373

• Synthesis of Supercapacitor from Cocoa Fruit Peel Activated Carbon for Energy Storage

  Rahma Fikri Nuradi (Universitas Andalas, Indonesia)
  Mulda Muldarisnur (Universitas Andalas, Indonesia)
  Yuli Yetri (Politeknik Negeri Padang, Indonesia)

  86-94

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  DOI : 10.25077/jif.14.2.86-94.2022

  Abstract View : 626

  PDF downloads: 279

• Effects of State Degeneration in 3D Quantum Lenoir Engine Performance

  Ade Fahriza (Universitas Andalas, Indonesia)
  Trengginas E. P. Sutantyo (Universitas Andalas, Indonesia)

  95-107

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  DOI : 10.25077/jif.14.2.95-107.2022

  Abstract View : 675

  PDF downloads: 185

• Monitoring System of Water Quality on Hydroponic Planting Media using Total Dissolved Solid (TDS) Sensor Based Arduino Uno R3

  Muhammad Hidayatullah (Universitas Teknologi Sumbawa, Indonesia)
  Sofyan Sofyan (Universitas Teknologi Sumbawa, Indonesia)
  Paris Ali Topan (Universitas Teknologi Sumbawa, Indonesia)
  Titi Andriani (Universitas Teknologi Sumbawa, Indonesia)
  Nurhairunnisah Nurhairunnisah (Universitas Samawa, Indonesia)

  108-115

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  DOI : 10.25077/jif.14.2.108-115.2022

  Abstract View : 571

  PDF downloads: 212

• Photocatalytic Properties of Co-precipitated Bismuth Cobalt Ferrite

  Abi Catur Saputri (Sebelas Maret University, Indonesia)
  Nurdiyantoro Putra Prasetya (Sebelas Maret University, Indonesia)
  Utari Utari (Sebelas Maret University, Indonesia)
  Budi Purnama (Sebelas Maret University, Indonesia)

  116-123

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  DOI : 10.25077/jif.14.2.116-123.2022

  Abstract View : 390

  PDF downloads: 68

• Nanosilica Particulate Magnetic as Alternative Filler on Natural Rubber Composites with Human-Tissue-Like Mechanical Characteristic

  Riri Murniati (Republic Indonesia Defense University, Indonesia)
  Arini Fitria Gunawan (Republic Indonesia Defense University, Indonesia)
  Muhammad Nuraliffudin Saputra (Republic Indonesia Defense University, Indonesia)
  Imastuti Imastuti (Republic Indonesia Defense University, Indonesia)
  Mikrajuddin Abdullah (Institut Teknologi Bandung, Indonesia)

  124-131

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  DOI : 10.25077/jif.14.2.124-131.2022

  Abstract View : 411

  PDF downloads: 91

• Rigid Procedure to Calculate the Melting Point of Metal Using the Solid-Liquid Phase (Coexistence) Method

  Artoto Arkundato (Universitas Jember, Indonesia)
  Wenny Maulina (Universitas Jember, Indonesia)
  Lutfi Rohman (Universitas Jember, Indonesia)
  Ratna Dewi Syarifah (Universitas Jember, Indonesia)
  Mohammad Ali Shafii (Universitas Andalas, Indonesia)

  132-140

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  DOI : 10.25077/jif.14.2.132-140.2022

  Abstract View : 476

  PDF downloads: 188