Vol. 9 No. 1 (2023)

Articles

• Clustering and Risk Analysis of The Earthquake in Sulawesi Using Mini Batch K-Means, K-Medoids, and Maximum Likelihood Method

  Amirin Kusmiran

  1-23

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• Characteristics of Liquid Smoke From Young Coconut Shells at Various Pyrolysis Temperature

  Ressa Fitra Adinda, Muhammad Faisal, Fauzi Muhammad Djuned

  24-36

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• Production of Graphene By Coconut Shell As an Electrode Primary Battery Cell

  Elsa Pasaribu, Rikson Siburian, Minto Supeno

  37-47

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• Atomic Structure and Its Connection to The Quranic Verses' Context

  Abdul Mujala, Muhammad Reza, Kana Puspita

  48-60

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• Synthesis of Carbon Dots From Empty Fruit Bunch Biochar an Acid-Free Hydrothermal Method

  Marpongahtun Marpongahtun, Rufina Pramudita, Saharman Gea, Amru Daulay

  61-70

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• Effectiveness of Hydrochloric Acid Activated Bentonite in Local Salt Purification

  Muslimah Muslimah, Puji Wahyuningsih, Yusnawati Yusnawati

  71-80

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• Hydrogel Films Derived Water Hyacinth Stems And Banana Peels Pectin: Tensile Performance And Swelling Ability

  Retno Febriyanti, Muthia Elma, Iryanti Fatyasari Nata, Ni Kadek Devi Ananda Saraswati, Paskah Fransiska Afrida Simatupang

  81-98

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• Synthesis of Tungsten Trioxide/Hydroxyapatite (WO3/HAp) Photocatalyst For Methylene Blue Degradation

  Khalid Mizar, Sri Mulyati, Nasrul Arahman

  99-110

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• The Application and Relevancy of Rainfall-Runoff-Inundation (RRI) Model in Indonesia

  M. Faisi Ikhwali, Budi Azhari, Alfin Khari, Suardi Nur, Abd Mujahid Hamdan, Kingkao Prommacot

  111-124

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• Effect of Acetobacter aceti Concentration and Fermentation Time on Acetic Acid Content Produced From Seaweed Gracilaria sp.

  Muhammad Ridwan Harahap, Reni Silvia Nasution, Husniah Nadhifa, Ana Khairani

  125-137

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